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NO134651B - - Google Patents

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Publication number
NO134651B
NO134651B NO86273A NO86273A NO134651B NO 134651 B NO134651 B NO 134651B NO 86273 A NO86273 A NO 86273A NO 86273 A NO86273 A NO 86273A NO 134651 B NO134651 B NO 134651B
Authority
NO
Norway
Prior art keywords
lid
container
flange
edge
sealing line
Prior art date
Application number
NO86273A
Other languages
Norwegian (no)
Other versions
NO134651C (en
Inventor
E Bock
Original Assignee
Superfos Emballage As
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 Superfos Emballage As filed Critical Superfos Emballage As
Publication of NO134651B publication Critical patent/NO134651B/no
Publication of NO134651C publication Critical patent/NO134651C/no

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D43/00Lids or covers for rigid or semi-rigid containers
    • B65D43/02Removable lids or covers
    • B65D43/0202Removable lids or covers without integral tamper element
    • B65D43/0204Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • B65D43/0212Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the mouth
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018Overall construction of the lid
    • B65D2543/00064Shape of the outer periphery
    • B65D2543/00074Shape of the outer periphery curved
    • B65D2543/00092Shape of the outer periphery curved circular
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018Overall construction of the lid
    • B65D2543/00064Shape of the outer periphery
    • B65D2543/0012Shape of the outer periphery having straight sides, e.g. with curved corners
    • B65D2543/00175Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond
    • B65D2543/00194Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond square or rectangular
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018Overall construction of the lid
    • B65D2543/00259Materials used
    • B65D2543/00296Plastic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00342Central part of the lid
    • B65D2543/00398Reinforcing ribs in the central part of the closure
    • B65D2543/00407Reinforcing ribs in the central part of the closure radial
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00342Central part of the lid
    • B65D2543/00398Reinforcing ribs in the central part of the closure
    • B65D2543/00416Reinforcing ribs in the central part of the closure circular
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444Contact between the container and the lid
    • B65D2543/00481Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00509Cup
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444Contact between the container and the lid
    • B65D2543/00481Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00518Skirt
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444Contact between the container and the lid
    • B65D2543/00481Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444Contact between the container and the lid
    • B65D2543/00481Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00555Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444Contact between the container and the lid
    • B65D2543/00592Snapping means
    • B65D2543/00601Snapping means on the container
    • B65D2543/00611Profiles
    • B65D2543/00648Flange or lip
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444Contact between the container and the lid
    • B65D2543/00592Snapping means
    • B65D2543/00601Snapping means on the container
    • B65D2543/00675Periphery concerned
    • B65D2543/00685Totality
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444Contact between the container and the lid
    • B65D2543/00592Snapping means
    • B65D2543/00712Snapping means on the lid
    • B65D2543/00722Profiles
    • B65D2543/0074Massive bead
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444Contact between the container and the lid
    • B65D2543/00592Snapping means
    • B65D2543/00712Snapping means on the lid
    • B65D2543/00787Periphery concerned
    • B65D2543/00796Totality
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2543/00Lids or covers essentially for box-like containers
    • B65D2543/00009Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00953Sealing means
    • B65D2543/0099Integral supplemental sealing lips

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Packages (AREA)

Description

Den foreliggende oppfinnelse vedrører en sprøytestøpt plastbeholder med et forspent lokk, som ved sin underside langs en smal tetningslinje slutter tett til beholderens munningskant, The present invention relates to an injection-molded plastic container with a pre-tensioned lid, which closes at its underside along a narrow sealing line to the mouth edge of the container,

og som i radial avstand fra denne går over i en nedadrettet,. ringformet lokkflens, som ved sin fri ende har et innover- and which at a radial distance from this transitions into a downwards,. ring-shaped lid flange, which at its free end has an inward

rettet fremspring, som ved sneppertvirkning kan gripe inn over en nedadvendende låsekant på en ringformet flens på beholderen. directed protrusion, which by snap action can engage over a downward-facing locking edge on an annular flange on the container.

Formålet med oppfinnelsen er å frembringe en plastbeholder som er enkel å fremstille, blant annet ved at både beholder og lokk er egnet for fremstilling ved sprøytestøping, og å oppnå The purpose of the invention is to produce a plastic container that is easy to produce, among other things in that both container and lid are suitable for production by injection molding, and to achieve

en tett og effektiv lukking uten bruk av pakning, samt å mulig-gjøre avtaing og påsetting av lokket uten bruk av verktøy, og automatisk lukking av beholderen etter fylling ved påsetting av lokket ved hjelp av en plan lukkeplate som trykkes nedad mot den oppadragende lokkrand. a tight and efficient closure without the use of a gasket, as well as enabling the removal and fitting of the lid without the use of tools, and automatic closing of the container after filling when the lid is fitted using a flat closing plate which is pressed downwards against the upwardly extending lid edge.

Plastbeholderen ifølge oppfinnelsen kjennetegnes ved at lokkets randparti utenfor tetningslinjen i lokkets fri tilstand danner en oppadrettet kjegleflate, som med en skarp knekk går over i den nedadrettete lokkflens, og at den vertikale avstand mellom beholderens munningskant og den nedadvendende låsekant på beholderens flens er større enn den vertikale avstand mellom lokkets tetningslinje og oversiden av lokkflensens innadrettete fremspring i det ikke påsatte lokk. The plastic container according to the invention is characterized by the fact that the rim part of the lid outside the sealing line in the lid's free state forms an upwardly directed conical surface, which with a sharp bend merges into the downwardly directed lid flange, and that the vertical distance between the mouth edge of the container and the downward-facing locking edge of the container's flange is greater than the vertical distance between the lid's sealing line and the upper side of the lid flange's inward projection in the unfitted lid.

Ved å utforme lokkets randparti slik at det utenfor tet-ningslin jen danner en oppadrettet kjegleflate, som med en skarp knekk går over i den nedadrettete lokkflens, oppnås det at en plan lukkeplate i en automatisk lukkemaskin ved påsetting av lokket etter fylling av beh'olderen kan trykke an mot lokket langs den omkretskant hvor randpartiet med en skarp knekk går over i det kjegleflateformete parti, hvorved den trykkraft, som bevirker nedtrykking av lokkets perifære parti virker på en relativt lang momentarm, som har dreiepunkt ved tetningslinjen mellom lokk og beholder, dvs. at det frembringes en stor lukke-kraft, og det oppnås i lokkets forspente, lukkete tilstand et kraftig trykk pr. flateenhet, eller med andre ord god tetning uten bruk av pakningsskive i lokket. Forspenningen i akseretningen, som fremkommer ved at avstanden mellom beholderens munningskant og den nedadvendende låsekant på beholderens flens er større enn den vertikale avstand mellom lokkets tetningslinje og oversiden av lokkflensens innadrettete fremspring i det ikke påsatte lokk, bevirker dessuten at toleranser i delenes dimensjoner ikke er kritiske, noe som er av betydning ved fremstilling av delene ved sprøytestøping. Den nedadrettete flens på lokket kan gjøres relativt tynn, slik at lokket lettvint tas av med håndkraft. Dessuten bidrar hulrommet mellom de to berøringslinjer mellom lokk og beholder til å hindre uttrekk-ing av innholdet som følge av kapillarvirkning, noe som er av betydning når beholderen anvendes for olje eller lakk. By designing the edge part of the lid so that outside the sealing line it forms an upwardly directed cone surface, which with a sharp bend passes into the downwardly directed lid flange, it is achieved that a flat closing plate in an automatic closing machine when the lid is fitted after filling the container can press against the lid along the circumferential edge where the edge part with a sharp bend transitions into the cone-shaped part, whereby the pressure force, which causes the peripheral part of the lid to be pressed down, acts on a relatively long torque arm, which has a pivot point at the sealing line between the lid and the container, i.e. .that a large closing force is produced, and a strong pressure per surface unit, or in other words good sealing without the use of a sealing disc in the lid. The prestress in the axial direction, which results from the distance between the mouth edge of the container and the downward-facing locking edge of the container's flange being greater than the vertical distance between the lid's sealing line and the upper side of the lid flange's inward-directed projection in the non-attached lid, also means that tolerances in the dimensions of the parts are not critical , which is important when producing the parts by injection molding. The downward-facing flange on the lid can be made relatively thin, so that the lid is easily removed by hand. In addition, the cavity between the two lines of contact between the lid and the container helps to prevent the contents from being pulled out as a result of capillary action, which is important when the container is used for oil or varnish.

Fra DT-OS 1.955.162 er det kjent et beholderlokk hvis nedadrettete flens er utstyrt med et innadrettet fremspring som griper inn over en nedadvendende låsekant på en flens på en tilhørende beholder, men i dette tilfelle forsøkes det å oppnå tetning mellom en bred, buet flate ved overgangen mellom behold-ervegg og beholderflens, og aksial forspenning av lokket oppnås ved nedtrykking av et buet overgangsparti mellom lokkflaten og den nedadrettete lokkflens, noe som betyr at det med samme trykkraft på en plan lukképlate oppnås et mindre tetningstrykk pr. flateenhet enn ved beholderen ifølge oppfinnelsen, idet trykket her ikke kan virke med en relativt lang momentarm på en smal tetningslinje. Følgen er at den kjente beholder i prak-sis ikke anvendes uten en innlagt pakningsring i lokket, når den skal anvendes for oppbevaring av maling eller liknende væsker. Dertil kommer at hverken lokk eller beholder med de buete over-gangspartier er egnet for fremstilling ved sprøytestøping. Ende-lig bevirker utformingen av flensen at lokket som regel bare kan tas av ved bruk av et verktøy. From DT-OS 1,955,162, a container lid is known whose downward-facing flange is equipped with an inward-facing projection that engages over a downward-facing locking edge of a flange on an associated container, but in this case an attempt is made to achieve sealing between a wide, curved surface at the transition between container wall and container flange, and axial prestressing of the lid is achieved by depressing a curved transition part between the lid surface and the downward-facing lid flange, which means that with the same pressure force on a flat lid plate, a smaller sealing pressure is achieved per area unit than with the container according to the invention, as the pressure here cannot act with a relatively long torque arm on a narrow sealing line. The consequence is that the known container is not used in practice without an inserted sealing ring in the lid, when it is to be used for storing paint or similar liquids. In addition, neither the lid nor the container with the curved transition parts are suitable for production by injection molding. Finally, the design of the flange means that the lid can usually only be removed by using a tool.

Ifølge oppfinnelsen er det hensiktsmessig at beholderens flens utgår fra beholderveggen i avstand fra tetningskanten og skrår nedad i retning-jnot flensens omkrets. Derved oppnås en lettvint lokalisering av lokket og derved lettvint lukking av beholderen, enten dette foregår automatisk eller med håndkraft. Ved utformingen av beholderens kant er det oppnådd at uunn-gåelige materialsugninger ut for de innstøpte hankoppheng ikke viser seg på tetningskanten og forårsaker utettheter, slik det er tilfelle på alle gjengse, sprøytestøpte plastbeholdere. According to the invention, it is appropriate that the flange of the container starts from the container wall at a distance from the sealing edge and slopes downwards in the direction jnot the circumference of the flange. Thereby an easy localization of the lid is achieved and thereby easy closing of the container, whether this takes place automatically or by hand. In the design of the edge of the container, it has been achieved that unavoidable material suctions out of the cast-in male suspensions do not show up on the sealing edge and cause leaks, as is the case with all standard, injection-molded plastic containers.

En foretrukket utførelsesform av beholderen ifølge oppfinnelsen kjennetegnes ved at undersiden av lokket radialt utenfor tetningslinjen har en ringformet, fremspringende ribbe som ligger A preferred embodiment of the container according to the invention is characterized by the fact that the underside of the lid radially outside the sealing line has an annular, projecting rib which lies

an mot yttersiden av beholderveggens kantparti. Denne ribbe med-virker til å utnytte plastmaterialets stablbarhet fullstendig, against the outer side of the edge of the container wall. This rib helps to make full use of the plastic material's stackability,

idet den ved å støtte mot yttersiden av beholderveggen hindrer at det ved stabling av en beholder oppå lokket overføres stable-krefter til sneppertlukkingen, noe som ved kjente konstruksjoner vil deformere lokket og medføre at det snapper av beholderen, slik at emballasjen ikke er tett under videre transport enkeltvis. in that, by supporting against the outer side of the container wall, it prevents stacking forces from being transferred to the snap closure when stacking a container on top of the lid, which in known designs will deform the lid and cause it to snap off the container, so that the packaging is not tight during further transport individually.

Oppfinnelsen vil bli nærmere forklart i det etterfølgende The invention will be explained in more detail below

under henvisning til de medfølgende tegninger, hvori: Fig. 1 viser et aksialt snitt gjennom en foretrukket ut-førelsesform av beholderen ifølge oppfinnelsen. Fig.. 2 viser detaljer av lokket i fig. 1 i større måle-stokk. with reference to the accompanying drawings, in which: Fig. 1 shows an axial section through a preferred embodiment of the container according to the invention. Fig. 2 shows details of the lid in fig. 1 on a larger scale.

Den i fig. 1 viste beholder er et spann med en svakt kon-isk sidevegg 1 med fra veggens øverste del fremspringende ører 2 for montering av en hank. The one in fig. The container shown in 1 is a bucket with a slightly conical side wall 1 with ears 2 projecting from the upper part of the wall for mounting a handle.

Ved sin munningskant er beholderen utformet med et flensparti 3 som har en pilformet tverrsnittsprofil, idet dette i avstand fra beholderkanten har en utad og nedad rettet flens 4 som ved sin ytterste ende er avsluttet i en skarp, nedadrettet låsekant 5. Beholderveggens øverste kantparti 6 ligger ved sin øverste rand tettende an mot undersiden av et lokk 7 langs en smal tetningslinje. Lokket 7 (fig. 2) har en stort sett plan midtflate 8 hvis areal er så stort at bunnen av en tilsvarende beholder kan hvile på midtflaten. Ved omkretsen går flaten 8 med et skarpt, omtrent rettvinklet knekk over i en oppadragende flensdel 9 som ligger an mot innersiden av beholderveggens kantparti 6. Denne flensdel 9 utgjør det innerste ben av den i tverrsnitt W-formete kantflens, som har en ringformet, stort sett aksial ribbe eller midtflens 10 som ligger an mot yttersiden av beholderveggens kantparti 6, og en ytterste, ringformet lokkflens 11, hvilke flensdeler utgår fra et felles kjeglestumpformet randparti 12, idet randpartiet 12 likeledes går over i lokkflensen 11 med et skarpt knekk. Ved den fri, nedadrettete kant på lokkflensen 11 er det utformet et fremspring i form av en brystning 13, som når lokket 7 anbringes på beholderen, kan bringes til å sneppe inn under låsekanten 5 på beholder-flensen 4, idet det utad- og oppadskrånende randparti 12 på lokkets kantflens presses nedad. Ved automatisk lukking av beholderen ved nedtrykking av At its mouth edge, the container is designed with a flange section 3 which has an arrow-shaped cross-sectional profile, as this, at a distance from the container edge, has an outwards and downwards-directed flange 4 which ends at its outermost end in a sharp, downwards-directed locking edge 5. The upper edge section 6 of the container wall is at its upper edge sealing against the underside of a lid 7 along a narrow sealing line. The lid 7 (fig. 2) has a largely flat central surface 8 whose area is so large that the bottom of a corresponding container can rest on the central surface. At the circumference, the surface 8 transitions with a sharp, approximately right-angled bend into an upwardly projecting flange part 9 that rests against the inner side of the container wall's edge part 6. This flange part 9 forms the innermost leg of the W-shaped edge flange in cross section, which has an annular, large set axial rib or center flange 10 which rests against the outer side of the container wall's edge part 6, and an outermost, ring-shaped lid flange 11, which flange parts proceed from a common truncated cone-shaped edge part 12, the edge part 12 likewise passing into the lid flange 11 with a sharp bend. At the free, downwards edge of the lid flange 11, a projection is formed in the form of a parapet 13, which, when the lid 7 is placed on the container, can be made to snap under the locking edge 5 of the container flange 4, as the outwardly and upwardly sloping edge part 12 on the edge flange of the lid is pressed downwards. By automatic closing of the container when pressing down

en plan lukkeplate vil denne treffe lokket ved omkretskanten a flat closing plate, this will hit the lid at the peripheral edge

ved overgangen mellom lokkflensen 11 og den kjeglestumpformete at the transition between the lid flange 11 and the truncated cone

randflate 12, og denne vil virke som momentarm slik at det frembringes et s<*>tort flatetrykk på tetningslinjén mellom lokk og beholder.- edge surface 12, and this will act as a torque arm so that a large surface pressure is produced on the sealing line between lid and container.-

Lokkets for øvrig plane midtflate 8 er utformet med en nedadrettet forsterkningsribbe 15 som ikke hindrer anbringelsen av en belastning, for eksempel en annen beholder oppå lokket. En slik vertikal belastning på lokkets midtflate 8 vil på grunn av midtflensen 10 og den med en skarp knekk utformete overgang mellom randpartiet 12 og flensen 11 og ribben.10, som støtter beholderveggen, ikke kunne overføre momenter og vridningskrefter. ved flensdelene, som derfor ikke vil deformeres og påvirke den The lid's otherwise planar central surface 8 is designed with a downwardly directed reinforcement rib 15 which does not prevent the placement of a load, for example another container on top of the lid. Such a vertical load on the lid's central surface 8 will not be able to transmit moments and twisting forces due to the central flange 10 and the transition formed with a sharp bend between the edge part 12 and the flange 11 and the rib 10, which supports the container wall. at the flange parts, which will therefore not deform and affect it

tette lukking av beholderen eller medføre risiko for at en stabel beholdere velter. Lokket er ved nedtrykking av kantflensens topp-flate utelukkende forspent i beholderens akseretning, og påsetting og avtaing av lokket, som er fastlåst ved sneppertvirkning, kan lettvint foregå uten bruk av verktøy. Forspenning i akseretningen har en helt spesiell fordel ved anvendelse på firkan-tete beholdere hvor lokkets tetthet ellers er avhengig av meget fine toleranser. Forspenningen av lokket i akseretningen er dessuten en fremstillingsmessig fordel, idet toleranser i delenes tight closing of the container or entail a risk of a stack of containers tipping over. When the top surface of the edge flange is pressed down, the lid is prestressed exclusively in the axis direction of the container, and the lid, which is locked by snap action, can easily be fitted and removed without the use of tools. Prestressing in the axial direction has a very special advantage when used on square containers where the tightness of the lid otherwise depends on very fine tolerances. The biasing of the lid in the axial direction is also a manufacturing advantage, as tolerances in the parts

horisontale dimensjoner ikke er kritiske. Likeledes er den enkle utforming av beholderens flensparti en fremstillingsmessig fordel, idet den enkle utadrettete flens kan støpes uten anvendelse av støpekjerner som skal trekkes ut i beholderveggens retning. horizontal dimensions are not critical. Likewise, the simple design of the flange part of the container is a manufacturing advantage, as the simple outward facing flange can be cast without the use of casting cores which must be pulled out in the direction of the container wall.

Claims (3)

1. Sprøytestøpt plastbeholder med et forspent lokk, som ved sin underside langs en smal tetningslinje slutter tett til beholderens munningskant, og som i radial avstand fra denne går1. Injection-molded plastic container with a pre-tensioned lid, which closes at its underside along a narrow sealing line to the mouth edge of the container, and which runs at a radial distance from this 'over i en nedadrettet, ringformet lokkflens, som ved sin fri ende har et innoverrettet fremspring, som ved sneppertvirkning kan gripe inn over en nedadvendende låsekant på en ringformet flens på beholderen, karakterisert ved at lokkets randparti (12) utenfor tetningslinjen i lokkets fri tilstand danner en oppadrettet kjegleflate, som med en skarp knekk går over i den nedadrettete lokkflens (11), og at den vertikale avstand mellom beholderens munningskant og den nedadvendende låsekant (5) på beholderens flens er større enn den vertikale avstand mellom lokkets (8) tetningslinje og oversiden av lokkflensens innadrettete fremspring (13) i det ikke påsatte lokk.'over into a downwardly directed, ring-shaped lid flange, which at its free end has an inward-directed projection, which by snap action can engage over a downward-facing locking edge on an annular flange on the container, characterized in that the lid's edge part (12) outside the sealing line in the lid's free state forms an upwardly directed conical surface, which with a sharp bend merges into the downwardly directed lid flange (11), and that the vertical distance between the container's mouth edge and the downward-facing locking edge (5) of the container's flange is greater than the vertical distance between the lid's (8) sealing line and the upper side of the lid flange's inwardly directed projection (13) in the unattached lid. 2.. Beholder i samsvar med krav 1, karakterisert ved at beholderens flens (4) utgår fra beholderveggen i avstand fra tetningskanten og skrår nedad i retning mot flensens periferi. 2.. Container in accordance with claim 1, characterized in that the container's flange (4) starts from the container wall at a distance from the sealing edge and slopes downwards in the direction towards the periphery of the flange. 3. Beholder i samsvar med krav 1 eller 2, karakterisert ved at undersiden av lokket radialt utenfor tetningslinjen har en ringformet, fremspringende ribbe (10) som ligger an mot yttersiden av beholderveggens kantparti (6).3. Container in accordance with claim 1 or 2, characterized in that the underside of the lid radially outside the sealing line has a ring-shaped, projecting rib (10) which rests against the outer side of the container wall edge (6).
NO86273A 1972-03-07 1973-03-05 NO134651C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK104772A DK132878C (en) 1972-03-07 1972-03-07 SPRAY SHORT PLASTIC CONTAINER

Publications (2)

Publication Number Publication Date
NO134651B true NO134651B (en) 1976-08-16
NO134651C NO134651C (en) 1976-11-24

Family

ID=8100384

Family Applications (1)

Application Number Title Priority Date Filing Date
NO86273A NO134651C (en) 1972-03-07 1973-03-05

Country Status (8)

Country Link
BE (1) BE842171Q (en)
CA (1) CA1008403A (en)
DK (1) DK132878C (en)
FI (1) FI53431C (en)
FR (1) FR2175132B1 (en)
GB (1) GB1408821A (en)
NO (1) NO134651C (en)
SE (1) SE386423B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK145194C (en) * 1980-11-20 1983-02-28 Superfos As CONTAINER COVER OF ELASTIC DEFORMABLE PLASTIC
DK153316C (en) * 1985-04-22 1988-11-14 Thy Plast V Preben Peschardt O HAPPY CONTAINER
DE8806985U1 (en) * 1988-05-27 1988-08-11 Udo Heisig 1x Produkte GmbH, 8011 Ascheim Waste bin
SE469794B (en) * 1991-10-22 1993-09-13 Lagan Plast Ab Container with lid
EP0672590A2 (en) * 1994-02-25 1995-09-20 The B.F. Goodrich Company Bulk storage and shipping containers
DE29617720U1 (en) * 1996-10-11 1998-02-12 Emsa-Werke Wulf GmbH & Co, 48282 Emsdetten Insulated container for transporting warm food
WO2001012519A1 (en) * 1999-08-11 2001-02-22 Superfos A/S Packaging
EP2735523B1 (en) * 2012-11-21 2018-05-02 Arta Plast AB Arrangement for securing/releasing of a lid to/from a container

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3339792A (en) * 1965-06-23 1967-09-05 Owens Illinois Inc Container and closure cap for same
US3302812A (en) * 1965-08-23 1967-02-07 Owens Illinois Inc Container closure
US3504823A (en) * 1968-05-06 1970-04-07 Monsanto Co Container

Also Published As

Publication number Publication date
DK132878C (en) 1976-07-19
FI53431C (en) 1984-03-14
CA1008403A (en) 1977-04-12
SE386423B (en) 1976-08-09
NO134651C (en) 1976-11-24
FI53431B (en) 1978-01-31
DK132878B (en) 1976-02-23
FR2175132A1 (en) 1973-10-19
BE842171Q (en) 1976-09-16
GB1408821A (en) 1975-10-08
FR2175132B1 (en) 1977-09-02

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