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EP1166692A1 - Dripless pouring spout - Google Patents

Dripless pouring spout Download PDF

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Publication number
EP1166692A1
EP1166692A1 EP01420132A EP01420132A EP1166692A1 EP 1166692 A1 EP1166692 A1 EP 1166692A1 EP 01420132 A EP01420132 A EP 01420132A EP 01420132 A EP01420132 A EP 01420132A EP 1166692 A1 EP1166692 A1 EP 1166692A1
Authority
EP
European Patent Office
Prior art keywords
edge
wall
spout
pouring
jug
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01420132A
Other languages
German (de)
French (fr)
Other versions
EP1166692B1 (en
Inventor
Christophe Guillemin
Erik Lebrun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEB SA
Original Assignee
SEB SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SEB SA filed Critical SEB SA
Publication of EP1166692A1 publication Critical patent/EP1166692A1/en
Application granted granted Critical
Publication of EP1166692B1 publication Critical patent/EP1166692B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/40—Closures with filling and discharging, or with discharging, devices with drip catchers or drip-preventing means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/12—Vessels or pots for table use
    • A47G19/14—Coffee or tea pots
    • A47G19/145—Drip catchers for coffee or tea pots

Definitions

  • the present invention relates to the general technical field of jugs for hot or cold drinks.
  • the present invention relates to particular, but not exclusively, jugs for hot drinks such as coffee makers.
  • a jug for coffee or tea comprising a spout in which an additional spout is arranged thinner than the main spout.
  • the spout additional laterally has interstices with the main spout. This arrangement promotes the return to the jug of gout suspended at the end of the additional spout, when the jug leaves the pouring position to return to the rest position.
  • the spout additional can be removed for cleaning.
  • Such operation is tedious, and such a construction presents an additional cost per compared to a single spout.
  • the object of the present invention is to provide a jug comprising a spout allowing a satisfactory pouring of the drink, avoiding drop of liquid drops out of the jug, without require special operations for cleaning.
  • Another object of the present invention is to provide a jug comprising a pouring spout allowing satisfactory pouring of the drink, preventing droplets of liquids from dropping out of the jug simple and economical construction.
  • a jug especially for coffee makers electric, comprising a container having a bottom, the container being associated with a plastic spout having a central part payment comprising a payment end and lateral parts, the spout comprising an upper wall connected to a lower wall by a connection surface, the upper wall being inclined inwards of the container, because in the central pouring part the surface of connection is free of sharp edges and has an upper edge having a radius of curvature along a radial section of the end of installment between 0.5 and 2 mm.
  • a connection surface free of sharp edges may include burrs resulting from a release of the plastic part.
  • connection surface comprises a lower edge whose radius of curvature in a radial section of the end installment is less than the radius of curvature of the upper edge according to a radial section of the pouring end.
  • the interior wall has a state of ice polished surface. Such an arrangement facilitates the flow of drink and limits feeding the drop suspended during the lifting of the jug.
  • the upper edge has a state of ice polished surface. This provision also limits the feeding of gout suspended when the jug is raised.
  • the lower edge has a roughness greater than the upper edge. This provision contradicts the flow of the drink along the bottom wall.
  • the lower wall has a roughness greater than the upper wall. This provision limits the volume of suspended drops.
  • a central edge is disposed between the edge upper and lower edge.
  • the central edge has a greater roughness than the top edge.
  • the central edge can be vertical or inclined and / or have a slight projection lateral to the upper edge, due for example to a plane of release.
  • the upper edge has a summit forming part of a plan. Such an arrangement simplifies the realization spout.
  • the inclination of the upper wall is between 25 ° and 45 ° relative to the bottom.
  • the upper wall has a inclination of less than 10 ° with the bottom wall. This provision allows reduce the thickness of the spout.
  • the thickness of the pouring end is less than 1.2 mm. This arrangement avoids retaining a large amount of liquid under the spout, and avoid causing drops to fall suspended by coalescence.
  • the radial length of the wall lower is greater than 4 mm in the axis of the spout. This provision collects a drop under the spout limiting the risk of formation of a liquid path along the wall of the jug.
  • the lower wall is extended by an external recess towards the base of the spout.
  • the external offset is substantially vertical. A such an arrangement is easy to carry out while allowing effective retention of drop.
  • the height of the external recess is greater than 1 mm.
  • the external drop presents parts lateral raised in their upper zone compared to the upper zone of a central part of said external recess. Such an arrangement allows to facilitate the retention of the hanging drop, which is maintained by the forces surface tension of the liquid.
  • the central part of the external recess is prominent in relation to the lateral parts of the external recess.
  • the spout is made of polypropylene.
  • a such a material has good molding properties, while being little expensive.
  • the jug 1 illustrated in FIG. 1 comprises a double insulated container 2 wall, made of stainless steel.
  • the container 2 has a bottom 7 and is surmounted by an annular part 3 comprising a pouring spout 4.
  • a cover 5 closes the part 3 while leaving a passage to the spout 4 for the drink, if desired by means of a mechanism.
  • a handle 6 comes from laterally of the part 3.
  • the part 3 is made of plastic, for example in polypropylene.
  • the jug 1 can in particular be used for collect the drink made with an electric coffee maker.
  • the spout 4 has a wall upper 10 curved, of rectilinear section, inclined towards the inside of the jug. As shown in Figure 3, the angle of inclination is 35 °. This angle tilt is defined relative to the bottom 7 of the jug.
  • Wall upper 10 has a central payment portion 11 having a curvature more pronounced than the curvature of the lateral parts 12. This provision makes it possible to limit the width of flow of the drink during payment.
  • the spout 4 also includes a bottom wall 20, substantially parallel to the upper wall 10.
  • the walls 10 and 20 form one end of installment 22.
  • the lower part of the wall 20 is connected by a external recess 21 substantially vertical to a base 28.
  • the upper wall 10 has an ice-polished surface state. Surface condition of the upper wall 10 is therefore very smooth.
  • the bottom wall 20, the external recess 21 and the base 28 have a more surface state rough. Such a surface finish can be obtained by EDM.
  • the roughness depth obtained is advantageously between 0.005 and 0.10 mm and preferably between 0.02 and 0.03 mm.
  • the upper wall 10 is connected to the lower wall 20 by a surface of 23 round connection.
  • the surface of connection 23 has an upper curved edge 24 extended by an edge side 25 substantially vertical then by a curved lower edge 26.
  • the upper edge 24 has a curvature extending over 125 ° while the lower edge 26 has a curvature extending over 55 °.
  • the upper edge 24 has a vertex 27 in the central payment part 11.
  • the apex 27 also extends to the lateral parts 12. apex 27 is inscribed in a substantially horizontal plane.
  • the payment end 22 is slightly lower than the side parts, the longitudinal tilt being less than 3 °.
  • the pouring spout 4 does not have a sharp edge between the upper wall 10 and the connection surface 23 ni between connection surface 23 and the wall lower 20.
  • the spout 4 also has no sharp edge between the edge upper 24 of the connection surface 23 and the lateral edge 25, nor between the lateral edge 25 and the lower edge 26 of the connection surface 23.
  • the state smooth surface of the upper wall 10 extends to the upper edge 24 included.
  • the rough surface state of the bottom wall 20 extends to the edge lateral 25 included.
  • a demoulding plane can thus be located between the edge upper 24 and side edge 25.
  • the axial length of the bottom wall 20 between the external recess 21 and the lower edge 26 is 5 mm, and the height of the external offset 21 is 1.1 mm.
  • the radius of curvature of the lower edge 26 is less than the radius of curvature of the upper edge 24.
  • the radius of the edge upper 24 is 0.5 mm and the radius of the lower edge 26 is 0.3 mm.
  • the height of the lateral edge 25 is less than the radius of the lower edge 26. In the example illustrated in FIG. 3, the height of the lateral edge 25 is 0.1 mm.
  • the thickness of the pouring end 22 is less than the diameter of a drop of drink hanging on the pouring end under the wall lower 20 when said wall is substantially horizontal. This provision allows to limit the amount of drink joining the drop in formation.
  • the thickness of the pouring end 22 of the pouring spout 4 is 1 mm. A greater thickness can be envisaged, without exceeding 1.5 mm for a polypropylene spout.
  • the polypropylene has a higher surface energy than plastics such as PTFE, ABS or polyethylene.
  • the payment end must have a thickness less than the diameter of the hanging drop.
  • the thickness of the end payment can thus be larger and therefore less fragile.
  • the base 28 of the spout 4 is connected in a central part with the external recess 21 and in the parts lateral to a substantially vertical wall 29.
  • the external recess 21 has an elongated shape according to a substantially horizontal orientation.
  • the external dropout 21 has ends 32 raised relative to the central part 31.
  • the angle relative to the horizontal of the connection line of the external recess 21 at the bottom wall 20 is preferably between 10 ° and 20 ° and is by 15 ° example, as shown in Figure 4.
  • the drink flows through the spout 4.
  • the smoothness of the upper wall 10 facilitates the flow of liquid.
  • the drink can flow in part by following the lower wall 20, due to the attraction of the liquid by the surface of the end of the spout.
  • the axial length of the bottom wall 20 then makes it possible to avoid the flow of the drink along the base 28 of the spout.
  • the radius of sufficiently low curvature of the upper edge 24 allows the liquid to escape the attraction of the walls of the spout.
  • the smoothness of the edge upper 24 facilitates the flow of the drink out of the spout 4.
  • the axial length of the bottom wall 20 makes it possible to prevent the drink from flows along the side wall of the jug.
  • the spout 4 when the payment is sufficiently straightforward, i.e. when the drink flows smoothly, the spout 4 according to the invention avoids suddenly breaking the flow of liquid during raising of said pouring spout, thanks to the absence of a sharp edge along the connection surface 23. As a result, the quantity of liquid retained under the spout 4 is less.
  • a drop can also remain suspended at the end of payment 22 after stopping the flow of the drink.
  • the hanging drop then rests on both the upper edge 24 and the lower edge 26. Under these conditions, the drop slides along the bottom wall 20 when the user raises the spout 4. The roughness of the lower wall 20 slows the movement of gout.
  • the external recess 21 makes it possible to capture the drop suspended under the outer wall 20, which tends to slide under said wall when the jug 1 is returned to the rest position illustrated in FIG. 3.
  • the vertex 27 is not necessarily part of a plan.
  • the height of apex 27 of upper edge 24 may in particular be weaker in the part central payment 11, so as to form a neck.
  • the upper edge 24 and / or the lower edge 26 may have a radius of variable curvature.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Table Devices Or Equipment (AREA)
  • Cartons (AREA)
  • Closures For Containers (AREA)
  • Bag Frames (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

The pourer (4), made from plastic and having a central lip and side sections, has the central portion of the lip made without sharp edges, while its upper edge (24) has a cross-section with a radius of curvature of between 0.5 and 2 mm, and the adjacent lower edge (26) has a smaller radius of curvature. The pourer's inner wall (10) and upper edge are smoothly polished, and the inner wall lies at an angle of 25 to 45 deg to the base of the pot.

Description

La présente invention concerne le domaine technique général des verseuses pour boissons chaudes ou froides. La présente invention concerne en particulier, mais non exclusivement, les verseuses pour les machines à boissons chaudes telles que les cafetières électriques.The present invention relates to the general technical field of jugs for hot or cold drinks. The present invention relates to particular, but not exclusively, jugs for hot drinks such as coffee makers.

Il est connu du document EP 0 650 681 une verseuse pour café ou thé, comportant un bec verseur dans lequel est disposé un bec verseur additionnel d'une épaisseur plus réduite que le bec verseur principal. Le bec verseur additionnel présente latéralement des interstices avec le bec verseur principal. Cette disposition permet de favoriser le retour dans la verseuse de la goutte suspendue à l'extrémité du bec verseur additionnel, lorsque la verseuse quitte la position de versement pour revenir en position de repos. Le bec verseur additionnel peut être retiré à des fins de nettoyage. Toutefois, une telle opération est fastidieuse, et une telle construction présente un surcoût par rapport à un bec verseur simple.It is known from document EP 0 650 681 a jug for coffee or tea, comprising a spout in which an additional spout is arranged thinner than the main spout. The spout additional laterally has interstices with the main spout. This arrangement promotes the return to the jug of gout suspended at the end of the additional spout, when the jug leaves the pouring position to return to the rest position. The spout additional can be removed for cleaning. However, such operation is tedious, and such a construction presents an additional cost per compared to a single spout.

L'objet de la présente invention est de proposer une verseuse comportant un bec verseur permettant un versement satisfaisant de la boisson, évitant la retombée de gouttes de liquide hors de la verseuse, sans pour autant nécessiter d'opérations particulières pour le nettoyage.The object of the present invention is to provide a jug comprising a spout allowing a satisfactory pouring of the drink, avoiding drop of liquid drops out of the jug, without require special operations for cleaning.

Un autre objet de la présente invention est de proposer une verseuse comportant un bec verseur permettant un versement satisfaisant de la boisson, évitant la retombée de gouttes de liquides hors de la verseuse, qui soit d'une construction simple et économique.Another object of the present invention is to provide a jug comprising a pouring spout allowing satisfactory pouring of the drink, preventing droplets of liquids from dropping out of the jug simple and economical construction.

Ces objets sont atteints avec une verseuse, notamment pour cafetière électrique, comportant un récipient présentant un fond, le récipient étant associé à un bec verseur en matière plastique présentant une partie centrale de versement comportant une extrémité de versement et des parties latérales, le bec verseur comportant une paroi supérieure reliée à une paroi inférieure par une surface de raccordement, la paroi supérieure étant inclinée vers l'intérieur du récipient, du fait que dans la partie centrale de versement la surface de raccordement est exempte d'arête vive et comporte un bord supérieur présentant un rayon de courbure selon une section radiale de l'extrémité de versement compris entre 0,5 et 2 mm. Ces dispositions permettent un versement satisfaisant de la boisson tout en limitant la rétention de gouttes à l'extrémité du bec verseur à l'arrêt du versement. Une surface de raccordement exempte d'arête vive peut toutefois inclure des bavures résultant d'un plan de démoulage de la pièce plastique.These objects are reached with a jug, especially for coffee makers electric, comprising a container having a bottom, the container being associated with a plastic spout having a central part payment comprising a payment end and lateral parts, the spout comprising an upper wall connected to a lower wall by a connection surface, the upper wall being inclined inwards of the container, because in the central pouring part the surface of connection is free of sharp edges and has an upper edge having a radius of curvature along a radial section of the end of installment between 0.5 and 2 mm. These provisions allow satisfactory pouring of the drink while limiting the retention of drops to the end of the spout when the pouring stops. A connection surface free of sharp edges, however, may include burrs resulting from a release of the plastic part.

Selon une disposition avantageuse, la surface de raccordement comporte un bord inférieur dont le rayon de courbure selon une section radiale de l'extrémité de versement est inférieur au rayon de courbure du bord supérieur selon une section radiale de l'extrémité de versement. Une telle disposition permet en effet de faciliter l'arrêt du jet et d'obtenir le retour de la boisson dans le bec verseur, la hauteur à franchir par la goutte étant ainsi limitée.According to an advantageous arrangement, the connection surface comprises a lower edge whose radius of curvature in a radial section of the end installment is less than the radius of curvature of the upper edge according to a radial section of the pouring end. Such an arrangement allows effect of facilitating the stopping of the jet and obtaining the return of the drink in the spout pourer, the height to be crossed by the drop being thus limited.

Selon une autre disposition avantageuse, la paroi intérieure présente un état de surface poli glace. Une telle disposition facilite l'écoulement de boisson et limite l'alimentation de la goutte suspendue lors du relevage de la verseuse.According to another advantageous arrangement, the interior wall has a state of ice polished surface. Such an arrangement facilitates the flow of drink and limits feeding the drop suspended during the lifting of the jug.

Selon une autre disposition avantageuse, le bord supérieur présente un état de surface poli glace. Cette disposition limite aussi l'alimentation de la goutte suspendue lors du relevage de la verseuse.According to another advantageous arrangement, the upper edge has a state of ice polished surface. This provision also limits the feeding of gout suspended when the jug is raised.

Selon une autre disposition avantageuse, le bord inférieur présente une rugosité plus importante que le bord supérieur. Cette disposition contrarie l'écoulement de la boisson le long de la paroi inférieure.According to another advantageous arrangement, the lower edge has a roughness greater than the upper edge. This provision contradicts the flow of the drink along the bottom wall.

Selon une autre disposition avantageuse, la paroi inférieure présente une rugosité plus importante que la paroi supérieure. Cette disposition limite le volume des gouttes suspendues.According to another advantageous arrangement, the lower wall has a roughness greater than the upper wall. This provision limits the volume of suspended drops.

Selon une forme de réalisation, un bord central est disposé entre le bord supérieur et le bord inférieur.According to one embodiment, a central edge is disposed between the edge upper and lower edge.

Avantageusement alors le bord central présente une rugosité plus importante que le bord supérieur.Advantageously then the central edge has a greater roughness than the top edge.

Le bord central peut être vertical ou incliné et/ou présenter une légère saillie latérale par rapport au bord supérieur, due par exemple à un plan de démoulage.The central edge can be vertical or inclined and / or have a slight projection lateral to the upper edge, due for example to a plane of release.

Selon une autre disposition avantageuse, le bord supérieur comporte un sommet s'inscrivant dans un plan. Une telle disposition simplifie la réalisation du bec verseur.According to another advantageous arrangement, the upper edge has a summit forming part of a plan. Such an arrangement simplifies the realization spout.

Selon une autre disposition avantageuse, l'inclinaison de la paroi supérieure est comprise entre 25° et 45° par rapport au fond.According to another advantageous arrangement, the inclination of the upper wall is between 25 ° and 45 ° relative to the bottom.

Selon une autre disposition avantageuse, la paroi supérieure présente une inclinaison de moins de 10° avec la paroi inférieure. Cette disposition permet de réduire l'épaisseur du bec de versement.According to another advantageous arrangement, the upper wall has a inclination of less than 10 ° with the bottom wall. This provision allows reduce the thickness of the spout.

Avantageusement alors, l'épaisseur de l'extrémité de versement est inférieure à 1,2 mm. Cette disposition permet d'éviter de retenir une grande quantité de liquide sous le bec verseur, et d'éviter de provoquer la chute de gouttes suspendues par coalescence.Advantageously then, the thickness of the pouring end is less than 1.2 mm. This arrangement avoids retaining a large amount of liquid under the spout, and avoid causing drops to fall suspended by coalescence.

Selon une autre disposition avantageuse, la longueur radiale de la paroi inférieure est supérieure à 4 mm dans l'axe du bec verseur. Cette disposition permet de recueillir une goutte sous le bec verseur en limitant le risque de formation d'un chemin liquide le long de la paroi de la verseuse.According to another advantageous arrangement, the radial length of the wall lower is greater than 4 mm in the axis of the spout. This provision collects a drop under the spout limiting the risk of formation of a liquid path along the wall of the jug.

Selon une autre disposition avantageuse, la paroi inférieure est prolongée par un décrochement extérieur vers la base du bec verseur. Une telle disposition permet de retenir encore plus efficacement la goutte formée sous le bec verseur.According to another advantageous arrangement, the lower wall is extended by an external recess towards the base of the spout. Such a provision allows the drop formed under the spout to be retained even more effectively pourer.

Avantageusement le décrochement extérieur est sensiblement vertical. Une telle disposition est facile à réaliser tout en permettant une rétention efficace de la goutte. Advantageously, the external offset is substantially vertical. A such an arrangement is easy to carry out while allowing effective retention of drop.

Selon une forme de réalisation préférée, la hauteur du décrochement extérieur est supérieure à 1 mm. Une telle disposition évite en effet la progression de la goutte le long de la base du bec verseur.According to a preferred embodiment, the height of the external recess is greater than 1 mm. Such a provision indeed prevents the progression of the drop along the base of the spout.

Avantageusement alors le décrochement extérieur présente des parties latérales relevées dans leur zone supérieure par rapport à la zone supérieure d'une partie centrale dudit décrochement extérieur. Une telle disposition permet de faciliter la rétention de la goutte suspendue, qui est maintenue par les forces de tension superficielle du liquide.Advantageously then the external drop presents parts lateral raised in their upper zone compared to the upper zone of a central part of said external recess. Such an arrangement allows to facilitate the retention of the hanging drop, which is maintained by the forces surface tension of the liquid.

Avantageusement encore la partie centrale du décrochement extérieur est proéminente par rapport aux parties latérales du décrochement extérieur. Une telle disposition permet d'améliorer encore la rétention de la goutte suspendue. Pour un même volume de goutte, la goutte est davantage plaquée contre les parois.Advantageously again, the central part of the external recess is prominent in relation to the lateral parts of the external recess. A such an arrangement makes it possible to further improve the retention of the suspended drop. For the same volume of drop, the drop is more pressed against the walls.

Selon un mode de réalisation, le bec verseur est réalisé en polypropylène. Un tel matériau présente de bonnes propriétés de moulage, tout en étant peu onéreux.According to one embodiment, the spout is made of polypropylene. A such a material has good molding properties, while being little expensive.

L'invention sera mieux comprise à l'étude d'un exemple de réalisation, pris à titre nullement limitatif, et illustré dans les figures annexées dans lesquelles :

  • la figure 1 est une vue d'une verseuse comportant un bec verseur selon l'invention,
  • la figure 2 est une vue en perspective du bec verseur montré à la figure 1,
  • la figure 3 est une vue en coupe verticale selon une section radiale verticale du bec verseur montré aux figures 1 et 2,
  • la figure 4 est une vue de face du bec verseur montré aux figures 1 à 3,
  • la figure 5 est une vue de côté du bec verseur montré aux figures 1 à 4.
The invention will be better understood from the study of an exemplary embodiment, taken without any limitation being implied, and illustrated in the appended figures in which:
  • FIG. 1 is a view of a jug comprising a pouring spout according to the invention,
  • FIG. 2 is a perspective view of the pouring spout shown in FIG. 1,
  • FIG. 3 is a view in vertical section along a vertical radial section of the pouring spout shown in FIGS. 1 and 2,
  • FIG. 4 is a front view of the pouring spout shown in FIGS. 1 to 3,
  • FIG. 5 is a side view of the pouring spout shown in FIGS. 1 to 4.

La verseuse 1 illustrée à la figure 1 comporte un récipient 2 isotherme à double paroi, réalisé en acier inoxydable. Le récipient 2 présente un fond 7 et est surmonté d'une pièce annulaire 3 comportant un bec verseur 4. Un couvercle 5 ferme la pièce 3 tout en laissant un passage vers le bec verseur 4 pour la boisson, si désiré au moyen d'un mécanisme. Une poignée 6 est issue latéralement de la pièce 3. La pièce 3 est réalisée en matière plastique, par exemple en polypropylène. La verseuse 1 peut notamment être utilisée pour recueillir la boisson réalisée avec une cafetière électrique.The jug 1 illustrated in FIG. 1 comprises a double insulated container 2 wall, made of stainless steel. The container 2 has a bottom 7 and is surmounted by an annular part 3 comprising a pouring spout 4. A cover 5 closes the part 3 while leaving a passage to the spout 4 for the drink, if desired by means of a mechanism. A handle 6 comes from laterally of the part 3. The part 3 is made of plastic, for example in polypropylene. The jug 1 can in particular be used for collect the drink made with an electric coffee maker.

Tel que mieux visible aux figures 2 et 3, le bec verseur 4 comporte une paroi supérieure 10 incurvée, de section rectiligne, inclinée vers l'intérieur de la verseuse. Tel qu'illustré à la figure 3 l'angle d'inclinaison est de 35°. Cet angle d'inclinaison est défini par rapport au fond 7 de la verseuse. La paroi supérieure 10 comporte une partie centrale de versement 11 présentant une courbure plus prononcée que la courbure des parties latérales 12. Cette disposition permet de limiter la largeur d'écoulement de la boisson lors du versement.As best seen in Figures 2 and 3, the spout 4 has a wall upper 10 curved, of rectilinear section, inclined towards the inside of the jug. As shown in Figure 3, the angle of inclination is 35 °. This angle tilt is defined relative to the bottom 7 of the jug. Wall upper 10 has a central payment portion 11 having a curvature more pronounced than the curvature of the lateral parts 12. This provision makes it possible to limit the width of flow of the drink during payment.

Le bec verseur 4 comporte aussi une paroi inférieure 20, sensiblement parallèle à la paroi supérieure 10. Les parois 10 et 20 forment une extrémité de versement 22. La partie inférieure de la paroi 20 est reliée par un décrochement extérieur 21 sensiblement vertical à une base 28.The spout 4 also includes a bottom wall 20, substantially parallel to the upper wall 10. The walls 10 and 20 form one end of installment 22. The lower part of the wall 20 is connected by a external recess 21 substantially vertical to a base 28.

La paroi supérieure 10 présente un état de surface poli glace. L'état de surface de la paroi supérieure 10 est donc très lisse. La paroi inférieure 20, le décrochement extérieur 21 et la base 28 présentent un état de surface plus rugueux. Un tel état de surface peut être obtenu par électroérosion. La profondeur de rugosité obtenue est avantageusement comprise entre 0,005 et 0,10 mm et de préférence entre 0,02 et 0,03 mm.The upper wall 10 has an ice-polished surface state. Surface condition of the upper wall 10 is therefore very smooth. The bottom wall 20, the external recess 21 and the base 28 have a more surface state rough. Such a surface finish can be obtained by EDM. The roughness depth obtained is advantageously between 0.005 and 0.10 mm and preferably between 0.02 and 0.03 mm.

La paroi supérieure 10 est raccordée à la paroi inférieure 20 par une surface de raccordement 23 arrondie. Tel que montré à la figure 3, la surface de raccordement 23 présente un bord supérieur 24 incurvé prolongé par un bord latéral 25 sensiblement vertical puis par un bord inférieur 26 incurvé. Du fait de l'inclinaison des parois 10 et 20 du bec 4, le bord supérieur 24 présente une courbure s'étendant sur 125° alors que le bord inférieur 26 présente une courbure s'étendant sur 55°. Le bord supérieur 24 présente un sommet 27 dans la partie centrale de versement 11. Tel que représenté à la figure 2, le sommet 27 s'étend également aux parties latérales 12. Le sommet 27 s'inscrit dans un plan sensiblement horizontal. Toutefois l'extrémité de versement 22 est légèrement plus basse que les parties latérales, l'inclinaison longitudinale étant inférieure à 3°.The upper wall 10 is connected to the lower wall 20 by a surface of 23 round connection. As shown in Figure 3, the surface of connection 23 has an upper curved edge 24 extended by an edge side 25 substantially vertical then by a curved lower edge 26. Because of the inclination of the walls 10 and 20 of the spout 4, the upper edge 24 has a curvature extending over 125 ° while the lower edge 26 has a curvature extending over 55 °. The upper edge 24 has a vertex 27 in the central payment part 11. As shown in FIG. 2, the apex 27 also extends to the lateral parts 12. apex 27 is inscribed in a substantially horizontal plane. However the payment end 22 is slightly lower than the side parts, the longitudinal tilt being less than 3 °.

Le bec verseur 4 ne présente pas d'arête vive entre la paroi supérieure 10 et la surface de raccordement 23 ni entre la surface de raccordement 23 et la paroi inférieure 20. Le bec 4 ne présente pas non plus d'arête vive entre le bord supérieur 24 de la surface de raccordement 23 et le bord latéral 25, ni entre le bord latéral 25 et le bord inférieur 26 de la surface de raccordement 23. L'état de surface lisse de la paroi supérieure 10 s'étend jusqu'au bord supérieur 24 inclus. L'état de surface rugueux de la paroi inférieure 20 s'étend jusqu'au bord latéral 25 inclus. Un plan de démoulage peut ainsi être situé entre le bord supérieur 24 et le bord latéral 25.The pouring spout 4 does not have a sharp edge between the upper wall 10 and the connection surface 23 ni between connection surface 23 and the wall lower 20. The spout 4 also has no sharp edge between the edge upper 24 of the connection surface 23 and the lateral edge 25, nor between the lateral edge 25 and the lower edge 26 of the connection surface 23. The state smooth surface of the upper wall 10 extends to the upper edge 24 included. The rough surface state of the bottom wall 20 extends to the edge lateral 25 included. A demoulding plane can thus be located between the edge upper 24 and side edge 25.

Tel que montré à la figure 3, la longueur axiale de la paroi inférieure 20 entre le décrochement extérieur 21 et le bord inférieur 26 est de 5 mm, et la hauteur du décrochement extérieur 21 est de 1,1 mm.As shown in Figure 3, the axial length of the bottom wall 20 between the external recess 21 and the lower edge 26 is 5 mm, and the height of the external offset 21 is 1.1 mm.

Le rayon de courbure du bord inférieur 26 est inférieur au rayon de courbure du bord supérieur 24. Dans l'exemple illustré à la figure 3, le rayon du bord supérieur 24 est de 0,5 mm et le rayon du bord inférieur 26 est de 0,3 mm. La hauteur du bord latéral 25 est inférieure au rayon du bord inférieur 26. Dans l'exemple illustré à la figure 3, la hauteur du bord latéral 25 est de 0,1 mm.The radius of curvature of the lower edge 26 is less than the radius of curvature of the upper edge 24. In the example illustrated in FIG. 3, the radius of the edge upper 24 is 0.5 mm and the radius of the lower edge 26 is 0.3 mm. The height of the lateral edge 25 is less than the radius of the lower edge 26. In the example illustrated in FIG. 3, the height of the lateral edge 25 is 0.1 mm.

L'épaisseur de l'extrémité de versement 22 est inférieure au diamètre d'une goutte de boisson suspendue à l'extrémité de versement sous la paroi inférieure 20 lorsque ladite paroi est sensiblement horizontale. Cette disposition permet de limiter la quantité de boisson rejoignant la goutte en formation. Dans l'exemple illustré à la figure 3, l'épaisseur de l'extrémité de versement 22 du bec verseur 4 est de 1 mm. Une épaisseur plus importante peut être envisagée, sans dépasser 1,5 mm pour un bec verseur en polypropylène. Le polypropylène présente une énergie de surface plus importante que des plastiques tels que le PTFE, l'ABS ou le polyéthylène. L'extrémité de versement doit présenter une épaisseur inférieure au diamètre de la goutte suspendue. The thickness of the pouring end 22 is less than the diameter of a drop of drink hanging on the pouring end under the wall lower 20 when said wall is substantially horizontal. This provision allows to limit the amount of drink joining the drop in formation. In the example illustrated in FIG. 3, the thickness of the pouring end 22 of the pouring spout 4 is 1 mm. A greater thickness can be envisaged, without exceeding 1.5 mm for a polypropylene spout. The polypropylene has a higher surface energy than plastics such as PTFE, ABS or polyethylene. The payment end must have a thickness less than the diameter of the hanging drop.

Comme le diamètre de la goutte suspendue est plus important avec le polypropylène qu'avec les autres matériaux précités, l'épaisseur de l'extrémité de versement peut ainsi être plus importante et donc moins fragile.As the diameter of the hanging drop is larger with the polypropylene than with the other aforementioned materials, the thickness of the end payment can thus be larger and therefore less fragile.

Tel que montré aux figures 4 et 5, la base 28 du bec verseur 4 est raccordée dans une partie centrale au décrochement extérieur 21 et dans les parties latérales à une paroi sensiblement verticale 29. Tel que mieux visible à la figure 4, le décrochement extérieur 21 présente une forme allongée selon une orientation sensiblement horizontale. Toutefois, le décrochement extérieur 21 présente des extrémités 32 relevées par rapport à la partie centrale 31. L'angle par rapport à l'horizontale de la ligne de raccord du décrochement extérieur 21 à la paroi inférieure 20 est de préférence compris entre 10° et 20° et est par exemple de 15°, tel que montré à la figure 4.As shown in Figures 4 and 5, the base 28 of the spout 4 is connected in a central part with the external recess 21 and in the parts lateral to a substantially vertical wall 29. As best seen in the figure 4, the external recess 21 has an elongated shape according to a substantially horizontal orientation. However, the external dropout 21 has ends 32 raised relative to the central part 31. The angle relative to the horizontal of the connection line of the external recess 21 at the bottom wall 20 is preferably between 10 ° and 20 ° and is by 15 ° example, as shown in Figure 4.

Le fonctionnement de la présente invention est le suivant.The operation of the present invention is as follows.

Lorsque l'utilisateur incline la verseuse 1 pour verser la boisson, la boisson s'écoule par le bec verseur 4. Le caractère lisse de la paroi supérieure 10 permet de faciliter l'écoulement du liquide. Selon la vitesse et le débit de l'écoulement, la boisson peut s'écouler en partie en suivant la paroi inférieure 20, du fait de l'attraction du liquide par la surface de l'extrémité du bec verseur. La longueur axiale de la paroi inférieure 20 permet alors d'éviter l'écoulement de la boisson le long de la base 28 du bec verseur. Toutefois, lorsque le versement est suffisamment franc, c'est à dire lorsque la boisson s'écoule sans à-coups importants grâce à une vitesse et un débit plus élevés, le rayon de courbure suffisamment faible du bord supérieur 24 permet au liquide d'échapper à l'attraction des parois du bec verseur. Le caractère lisse du bord supérieur 24 facilite l'écoulement de la boisson hors du bec verseur 4.When the user tilts the jug 1 to pour the drink, the drink flows through the spout 4. The smoothness of the upper wall 10 facilitates the flow of liquid. Depending on the speed and flow of the flow, the drink can flow in part by following the lower wall 20, due to the attraction of the liquid by the surface of the end of the spout. The axial length of the bottom wall 20 then makes it possible to avoid the flow of the drink along the base 28 of the spout. However, when the payment is sufficiently straightforward, i.e. when the drink flows without large jolts due to higher speed and flow, the radius of sufficiently low curvature of the upper edge 24 allows the liquid to escape the attraction of the walls of the spout. The smoothness of the edge upper 24 facilitates the flow of the drink out of the spout 4.

La longueur axiale de la paroi inférieure 20 permet d'éviter que la boisson ne s'écoule le long de la paroi latérale de la verseuse.The axial length of the bottom wall 20 makes it possible to prevent the drink from flows along the side wall of the jug.

De plus, lorsque le versement est suffisamment franc, c'est à dire lorsque la boisson s'écoule sans à-coups importants, le bec verseur 4 selon l'invention permet d'éviter de casser brutalement l'écoulement du liquide lors du relèvement dudit bec verseur, grâce à l'absence d'arête vive le long de la surface de raccordement 23. De ce fait, la quantité de liquide retenue sous le bec verseur 4 est moindre.In addition, when the payment is sufficiently straightforward, i.e. when the drink flows smoothly, the spout 4 according to the invention avoids suddenly breaking the flow of liquid during raising of said pouring spout, thanks to the absence of a sharp edge along the connection surface 23. As a result, the quantity of liquid retained under the spout 4 is less.

Lorsque la paroi supérieure 10 a atteint une position verticale dans la partie centrale 11, une goutte de boisson peut rester suspendue sur la paroi supérieure 10 en prenant appui le long du sommet 27 du bord supérieur 24. Dans ces conditions, le retour de la verseuse en position de repos permet d'éviter la chute de la goutte.When the upper wall 10 has reached a vertical position in the part central 11, a drop of drink can remain suspended on the wall upper 10 by taking support along the top 27 of the upper edge 24. Under these conditions, the return of the jug to the rest position allows to avoid the drop of gout.

Toutefois une goutte peut également rester suspendue à l'extrémité de versement 22 après l'arrêt de l'écoulement de la boisson. La goutte suspendue prend alors appui à la fois sur le bord supérieur 24 et sur le bord inférieur 26. Dans ces conditions, la goutte glisse le long de la paroi inférieure 20 lorsque l'utilisateur relève le bec verseur 4. La rugosité de la paroi inférieure 20 freine le mouvement de la goutte.However, a drop can also remain suspended at the end of payment 22 after stopping the flow of the drink. The hanging drop then rests on both the upper edge 24 and the lower edge 26. Under these conditions, the drop slides along the bottom wall 20 when the user raises the spout 4. The roughness of the lower wall 20 slows the movement of gout.

Le décrochement extérieur 21 permet de capter la goutte suspendue sous la paroi extérieure 20, qui a tendance à glisser sous ladite paroi lorsque la verseuse 1 est ramenée en position de repos illustrée à la figure 3.The external recess 21 makes it possible to capture the drop suspended under the outer wall 20, which tends to slide under said wall when the jug 1 is returned to the rest position illustrated in FIG. 3.

De nombreuses améliorations peuvent être apportées à cette verseuse dans le cadre des revendications.Many improvements can be made to this jug in the scope of claims.

Notamment, la présence d'un bord latéral 25 n'est pas nécessaire.In particular, the presence of a lateral edge 25 is not necessary.

Le sommet 27 ne s'inscrit pas nécessairement dans un plan. La hauteur du sommet 27 du bord supérieur 24 peut notamment être plus faible dans la partie centrale de versement 11, de manière à former un col.The vertex 27 is not necessarily part of a plan. The height of apex 27 of upper edge 24 may in particular be weaker in the part central payment 11, so as to form a neck.

Le bord supérieur 24 et/ou le bord inférieur 26 peuvent présenter un rayon de courbure variable.The upper edge 24 and / or the lower edge 26 may have a radius of variable curvature.

Claims (20)

Verseuse, notamment pour cafetière électrique, comportant un récipient (2) présentant un fond (7), le récipient (2) étant associé à un bec verseur (4) en matière plastique présentant une partie centrale de versement (11) comportant une extrémité de versement (22) et des parties latérales (12), le bec verseur comportant une paroi supérieure (10) reliée à une paroi inférieure (20) par une surface de raccordement (23), la paroi supérieure (10) étant inclinée vers l'intérieur du récipient (2), caractérisée en ce que dans la partie centrale de versement (11) la surface de raccordement (23) est exempte d'arête vive et comporte un bord supérieur (24) présentant un rayon de courbure selon une section radiale de l'extrémité de versement (22) compris entre 0,5 et 2 mm.Jug, in particular for an electric coffee maker, comprising a container (2) having a bottom (7), the container (2) being associated with a pouring spout (4) made of plastic material having a central pouring part (11) comprising one end of pouring (22) and lateral parts (12), the spout comprising an upper wall (10) connected to a lower wall (20) by a connection surface (23), the upper wall (10) being inclined towards the interior of the container (2), characterized in that in the central pouring part (11) the connection surface (23) is free of sharp edges and has an upper edge (24) having a radius of curvature in a radial section of the pouring end (22) between 0.5 and 2 mm. Verseuse selon la revendication 1, caractérisée en ce que la surface de raccordement (23) comporte un bord inférieur (26) dont le rayon de courbure selon une section radiale de l'extrémité de versement (22) est inférieur au rayon de courbure du bord supérieur (24) selon une section radiale de l'extrémité de versement (22).Carafe according to claim 1, characterized in that the connection surface (23) has a lower edge (26) whose radius of curvature along a radial section of the pouring end (22) is less than the radius of curvature of the edge upper (24) in a radial section of the pouring end (22). Verseuse selon l'une des revendications 1 ou 2, caractérisée en ce que la paroi intérieure (10) présente un état de surface poli glace.Carafe according to one of claims 1 or 2, characterized in that the inner wall (10) has an ice-polished surface state. Verseuse selon l'une des revendications 1 à 3, caractérisée en ce que le bord supérieur (24) présente un état de surface poli glace.Jug according to one of claims 1 to 3, characterized in that the upper edge (24) has a polished surface finish. Verseuse selon l'une des revendications 1 à 4, caractérisée en ce que le bord inférieur (26) présente une rugosité plus importante que le bord supérieur (24).Jug according to one of claims 1 to 4, characterized in that the lower edge (26) has a greater roughness than the upper edge (24). Verseuse selon l'une des revendications 1 à 6, caractérisée en ce que la paroi inférieure (20) présente une rugosité plus importante que la paroi supérieure (10).Jug according to one of claims 1 to 6, characterized in that the lower wall (20) has a greater roughness than the upper wall (10). Verseuse selon la revendication 1 à 6, caractérisée en ce qu'un bord central (25) est disposé entre le bord supérieur (24) et le bord inférieur (26). Jug according to claims 1 to 6, characterized in that a central edge (25) is arranged between the upper edge (24) and the lower edge (26). Verseuse selon la revendication 7, caractérisée en ce que le bord central (25) présente une rugosité plus importante que le bord supérieur (24).Jug according to claim 7, characterized in that the central edge (25) has a greater roughness than the upper edge (24). Verseuse selon l'une des revendications 7 ou 8, caractérisée en ce que le bord central (25) est vertical.Carafe according to one of claims 7 or 8, characterized in that the central edge (25) is vertical. Verseuse selon l'une des revendications 7 à 9, caractérisée en ce que le bord supérieur (24) comporte un sommet (27) s'inscrivant dans un plan.Jug according to one of Claims 7 to 9, characterized in that the upper edge (24) has a top (27) which is inscribed in a plane. Verseuse selon l'une des revendications 1 à 10, caractérisée en ce que l'inclinaison de la paroi supérieure (10) est comprise entre 25° et 45° par rapport au fond (7).Carafe according to one of claims 1 to 10, characterized in that the inclination of the upper wall (10) is between 25 ° and 45 ° relative to the bottom (7). Verseuse selon la revendication 11, caractérisée en ce que la paroi supérieure (10) est parallèle à la paroi inférieure (20).Carafe according to claim 11, characterized in that the upper wall (10) is parallel to the lower wall (20). Verseuse selon la revendication 12, caractérisée en ce que l'épaisseur de l'extrémité de versement (22) est inférieure à 1,2 mm.Carafe according to claim 12, characterized in that the thickness of the pouring end (22) is less than 1.2 mm. Verseuse selon l'une des revendications 1 à 13, caractérisée en ce que la longueur radiale de la paroi inférieure (20) est supérieure à 4 mm dans l'axe du bec verseur (4).Carafe according to one of Claims 1 to 13, characterized in that the radial length of the lower wall (20) is greater than 4 mm in the axis of the pouring spout (4). Verseuse selon la revendication 1 à 14, caractérisée en ce que la paroi inférieure (20) est prolongée par un décrochement extérieur (21) vers la base du bec verseur (4).Carafe according to claim 1 to 14, characterized in that the bottom wall (20) is extended by an external recess (21) towards the base of the pouring spout (4). Verseuse selon la revendication 15, caractérisée en ce que le décrochement extérieur (21) est sensiblement vertical.Jug according to claim 15, characterized in that the external step (21) is substantially vertical. Verseuse selon l'une des revendications 15 ou 16, caractérisée en ce que la hauteur du décrochement extérieur (21) est supérieure à 1 mm.Carafe according to one of claims 15 or 16, characterized in that the height of the external recess (21) is greater than 1 mm. Verseuse selon l'une des revendications 15 à 17, caractérisée en ce que le décrochement extérieur (21) présente des parties latérales (32) relevées dans leur zone supérieure par rapport à la zone supérieure d'une partie centrale (31) dudit décrochement extérieur (21). Carafe according to one of claims 15 to 17, characterized in that the external recess (21) has lateral parts (32) raised in their upper zone relative to the upper zone of a central part (31) of said external recess (21). Verseuse selon revendication 18, caractérisée en ce que la partie centrale (31) du décrochement extérieur (21) est proéminente par rapport aux parties latérales (32) du décrochement extérieur (21).Jug according to claim 18, characterized in that the central part (31) of the external recess (21) is prominent relative to the lateral parts (32) of the external recess (21). Verseuse selon l'une des revendications 1 à 19, caractérisée en ce que le bec verseur (4) est réalisé en polypropylène.Carafe according to one of claims 1 to 19, characterized in that the spout (4) is made of polypropylene.
EP01420132A 2000-06-26 2001-06-12 Dripless pouring spout Expired - Lifetime EP1166692B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0008187 2000-06-26
FR0008187A FR2810525B1 (en) 2000-06-26 2000-06-26 POURING MACHINE COMPRISING AN ANTI-DROPPING SPOUT

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EP1166692A1 true EP1166692A1 (en) 2002-01-02
EP1166692B1 EP1166692B1 (en) 2010-09-22

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EP01420132A Expired - Lifetime EP1166692B1 (en) 2000-06-26 2001-06-12 Dripless pouring spout

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US (1) US6474514B1 (en)
EP (1) EP1166692B1 (en)
AT (1) ATE481901T1 (en)
DE (1) DE60143104D1 (en)
FR (1) FR2810525B1 (en)

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JP5657999B2 (en) * 2010-10-29 2015-01-21 株式会社吉野工業所 Pouring cap
US9187219B2 (en) * 2013-03-06 2015-11-17 Westrock Slatersville, Llc Pour lip closure with drain back
CN105705422A (en) * 2013-09-30 2016-06-22 班奥麦迪克公司 Carafe lid extension system and method
USD864648S1 (en) * 2017-10-31 2019-10-29 Seb Electric kettle
USD948916S1 (en) * 2020-07-03 2022-04-19 Everich And Tomic Housewares Co., Ltd Jug

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DE670435C (en) * 1939-01-18 Anny Meier Drip-free spout for vessels
CH188588A (en) * 1936-11-24 1937-01-15 Meier Anny Device to prevent dripping on vessels.
US2889080A (en) * 1956-02-06 1959-06-02 Livingstone Jay Gould Teapot or the like
DE4037673A1 (en) * 1990-11-27 1992-06-11 Leifheit Ag Teapot pouring dripless spout - coated at mouth with frictionless poly:tetra:fluoroethylene sharp edge at highest point on spout
EP0650681A1 (en) 1993-10-27 1995-05-03 LEIFHEIT Aktiengesellschaft Beverage pot
DE19510411A1 (en) * 1995-03-24 1996-10-02 Heraeus Instr Gmbh Drip prevention appts. useful esp. for pouring from a container

Also Published As

Publication number Publication date
DE60143104D1 (en) 2010-11-04
EP1166692B1 (en) 2010-09-22
US6474514B1 (en) 2002-11-05
ATE481901T1 (en) 2010-10-15
FR2810525B1 (en) 2002-09-13
FR2810525A1 (en) 2001-12-28

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