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WO1979000722A1 - Container with side wall,cover and tearing device produced as a unit - Google Patents

Container with side wall,cover and tearing device produced as a unit Download PDF

Info

Publication number
WO1979000722A1
WO1979000722A1 PCT/DK1979/000006 DK7900006W WO7900722A1 WO 1979000722 A1 WO1979000722 A1 WO 1979000722A1 DK 7900006 W DK7900006 W DK 7900006W WO 7900722 A1 WO7900722 A1 WO 7900722A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
lid
closure
frame
tearing
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.)
Ceased
Application number
PCT/DK1979/000006
Other languages
French (fr)
Inventor
N Harild
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.)
Legarth Harild Packing & Machinery SA
Legarth Harild Packing & Machi
Original Assignee
Legarth Harild Packing & Machinery SA
Legarth Harild Packing & Machi
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 Legarth Harild Packing & Machinery SA, Legarth Harild Packing & Machi filed Critical Legarth Harild Packing & Machinery SA
Publication of WO1979000722A1 publication Critical patent/WO1979000722A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • B65D43/021—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the inside, or a part turned to the inside, of the mouth
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/42—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions with cutting, punching, or cutter accommodating means
    • B65D17/46—Wires, strings or the like, e.g. rip cords
    • B65D17/462—Tearing-strips or -wires
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/60—Tearable part both of the container and of the closure
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00324—Lids integrally moulded with the container, or with a connecting piece, and separated therefrom by rupturing the connection before the first use
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact 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
    • B65D2543/00518—Skirt
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact 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
    • B65D2543/00546—NO contact
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/0062—Groove or hollow bead
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00675—Periphery concerned
    • B65D2543/00685—Totality
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00722—Profiles
    • B65D2543/0074—Massive bead
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00722—Profiles
    • B65D2543/00759—Flange or lip
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00796—Totality
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00833—Integral tabs, tongues, handles or similar
    • B65D2543/00842—Integral tabs, tongues, handles or similar outside of the lid

Definitions

  • Container with side wall, cover and tearing device produced as a unit.
  • the invention relates to a container with side wall, cover and tearing device for the cover produced as a unit to be closed after filling by means of a separately produced bottom.
  • the tearing device of the known container unit is a circular tearing strip situated in the upper top face of the container.
  • the tearing strip is bordered by- weakening lines in the material and has. a grip ring by means of which the ringshaped strip and that part of the closure surrounded by the strip can be torn from. the container. After the opening of the container a lid can be put on the upper protruding ridge around the aperture.
  • the known container offers important advantages as it consists of only two separate units viz. a container unit and a bottom unit, which units after filling from the bottom are united suitably by friction welding. The container is opened by pulling the ring in the axial direction and after the tearing of the closure the separate lid can be put on.
  • the present invention is based on the recognition that in spite of the advantages of the known container in relation to those known previously it suffers from a number of disadvantages in the production as well as in use.
  • the invention aims at the solving of the problem to devise. a container construction, which is less resource demanding, simpler to produce and more consumer-friendly.
  • the problem is solved thereby that the tearing device is a circumventing tearing strip around the container wall between its upper edge and the lower edge of a frame around the closure, which after the removal of the tearing strip is adapted to fit into the upper edge zone of the container wall as a reusable lid.
  • the closure and the lid are combined to a single part, whereby the resource consumption becomes less. Further, a circumferential protruding edge around the container opening, which in the known construction is necessary for several reasons, is avoided. This also reduces the consumption of material, especially in the case of containers having large openings, for example buckets or tins for paint.
  • the container according to the invention offers the advantage that the material, which normally is introduced into the mould at a place situated centrally in the top surface of the closure, shall not move upwards as well as downwards when it is leaving the surface of the closure.
  • the frame of the lid and the upper edge area of the container wall have mutually complementary holding means resulting in the necessity of exerting greater force by the removal of the lid, so that the risk that the lid falls off, if the con- tainer is tipped over, is less.
  • the holding means can be corresponding circumferential protrusions contacting each other with spring-lock effect.
  • the tearing strip has an integral pulling member offering a safe grip for exerting a radial pull in the tearing strip.
  • a radial pull will in general give a better control over the opening procedure than the axial pull, which is to be exerted in connection with the known container.
  • the container unit is suitably designed, so that the upper, surface of the lid at least in some places protrude beyond the frame to form a grip for the fingers.
  • the construction according to the invention opens up the possibility in a simple way to produce a sealing, so that the consumer can check whether the container has been opened before.
  • This is expediently obtained by means of a sealing string produced integrally with the lid and the pulling device, which string automatically tears when the pulling device is actuated for opening of the container.
  • a sealing string produced integrally with the lid and the pulling device, which string automatically tears when the pulling device is actuated for opening of the container.
  • Fig. 1 shows a container unit according to the invention seen in perspective
  • Fig. 2 a longitudinal cross-section of a container unit according to the invention with closure and container wall and tearing strip between closure and wall,
  • Fig. 3 an axial cross-section through a separate bottom to be put on the container unit
  • Fig. 4 an axial cross-section through two container units stacked one into the other
  • Fig. 5 an axial cross-section through a container unit with mounted bottom and with the container lid put on the container after removal of the tearing strip, arid Fig. 6 two with bottom assembled containers stacked one upon the other.
  • the drawing shows a container with a lid 1 and a tapering side wall 4 and a bottom 3.
  • the container is produced by injection moulding of plastics in two units, one of which is shown in Figs. 1 and 2 and comprises the closure 1, the wall 2 and the intermediate tearing strip 4 with a pulling flap 5, by means of which the closure 1 can be removed from the container wall 2.
  • the tearing strip 4 is produced with weakening lines 6, which can be more or less discontinuous in order to create suitable flowing paths for the plastics between closure and wall during the moulding.
  • a circumferential -frame 7 On the under side of the lid 1 is a circumferential -frame 7 having an outwardly projecting wedge shaped rib or bead 8 the whole way around and designed for meshing the lower edge 9 of a narrowed edge zone 10 in the upper part of the container wall 2 when the lid after removal of the tearing strip is put on the container.
  • FIG. 2 is designed with an inward going part 12 forming a shoulder 13 against which the flange 11 of the lid can rest when several container units are stacked within each other as shown in Fig. 4 in the usual way to save room by the storing and transport of this kind of container units.
  • a sealing string 14 which is broken when the tearing strip 4 is removed by pull in the pulling flap.
  • the sealing string 14 is weakened at the pulling flap so that after having been broken it remains on the flange 7 as shown in Fig. 5, thereby indicating that the container has been opened even if the lid 1 rests on and closes the container.
  • the flange 7 and the narrowed upper part of the container form a space for the pulling flap 5 so that this does not get in the way by the stacking of the container units.
  • the container wall 2 has below a circumferential groove 15 corresponding to an upwards protruding rib 16 along the circumference of the bottom 3 as can be seen in Fig. 3.
  • the bottom 3 is put on the container unit with the rib 16 within the groove 15, and these units are welded together preferably by friction welding.
  • the bottom 3 has a depression 17, Fig. 3, which corresponds to the top surface of the lid inclusive the flange 7, so that filled containers can be put one upon the other in a stable stack as shown in Fig. 6.
  • the container units can be filled up to a volume corresponding to the lower edge of the tearing strip 4 on the complete container even with a foaming fluid owing to the auxiliary container volume derived from the height of the tearing strip and the frame 7.

Landscapes

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

Abstract

Container unit produced in one piece e.g. by injection moulding of plastics and comprising a side wall (2), a circumferential tearing strip (4) and a closure (1). The container unit is closed after filling from the bottom by means of an attached bottom (3). The tearing strip (4) is positioned between the upper edge of the side wall and the closure so that after the tearing off of the strip a frame (7) is left on the underside of the lid which frame fits inside the upper edge of side wall, whereby an individual fit is obtained by every single container. Consumption of material for a separate lid to be used by reclosure is avoided. The tearing strip (4) bordered by weakening lines (6) is removed by a radial pull in a protruding pulling flag (5). The pulling flap (5) has a sealing string (14) connected to the closure (1) so that even if the lid is put on it can be observed that initial opening has taken place. The upper surface of the lid has a protrusion (11) to serve as a grip for the fingers when the lid (1) shall be lifted. Protrusion (11) on the upper surface of the closure of a container unit rests against an internal shoulder of another container when they are stacked. The frame of the lid and the edge zone of the side wall may have complementary holding members for example with spring locking effect.

Description

Container with side wall, cover and tearing device produced as a unit.
Technical field of the invention
The invention relates to a container with side wall, cover and tearing device for the cover produced as a unit to be closed after filling by means of a separately produced bottom.
Technical background
From the Danish patent specification No. 127,376 an injection moulded container of plastics comprising on one hand a container part with a container body, an aperture and a tearable closure and on the other hand a bDttαm part is known. The cross-section of the container diminishes from the bottom to the closure which can be torn open without the use of tools. The container units are shaped in a way allowing stacking.
The tearing device of the known container unit is a circular tearing strip situated in the upper top face of the container. The tearing strip is bordered by- weakening lines in the material and has. a grip ring by means of which the ringshaped strip and that part of the closure surrounded by the strip can be torn from. the container. After the opening of the container a lid can be put on the upper protruding ridge around the aperture. The known container offers important advantages as it consists of only two separate units viz. a container unit and a bottom unit, which units after filling from the bottom are united suitably by friction welding. The container is opened by pulling the ring in the axial direction and after the tearing of the closure the separate lid can be put on.
Disclosure of the invention
The present invention is based on the recognition that in spite of the advantages of the known container in relation to those known previously it suffers from a number of disadvantages in the production as well as in use.
The invention aims at the solving of the problem to devise. a container construction, which is less resource demanding, simpler to produce and more consumer-friendly. According to the invention, the problem is solved thereby that the tearing device is a circumventing tearing strip around the container wall between its upper edge and the lower edge of a frame around the closure, which after the removal of the tearing strip is adapted to fit into the upper edge zone of the container wall as a reusable lid.
In the construction according to the present invention, the closure and the lid are combined to a single part, whereby the resource consumption becomes less. Further, a circumferential protruding edge around the container opening, which in the known construction is necessary for several reasons, is avoided. This also reduces the consumption of material, especially in the case of containers having large openings, for example buckets or tins for paint.
Further, circumferential irregular protrusions occurring when the closure is broken by tearing, and which is troublesome especially when pouring viscose liquids is avoided. Seen from the point of view of moulding technic, the container according to the invention offers the advantage that the material, which normally is introduced into the mould at a place situated centrally in the top surface of the closure, shall not move upwards as well as downwards when it is leaving the surface of the closure.
By the construction according to the invention, another problem by containers which have to be closed by a lid after the opening is solved at the same time. When container and lid are produced completely separately or just connected by a single string of material, it often happens that lid and container do not fit together even if there has been shown great diligence by the production of the forms. This is due to the small variation in material and in the production procedure. When the lid and that part of the container, on which the lid shall be fitted, are produced in one piece, these irregularities will have no effect, and the lid will always fit the container.
In a suitable embodiment of the container unit according to the invention, the frame of the lid and the upper edge area of the container wall have mutually complementary holding means resulting in the necessity of exerting greater force by the removal of the lid, so that the risk that the lid falls off, if the con- tainer is tipped over, is less. The holding means can be corresponding circumferential protrusions contacting each other with spring-lock effect.
It is an advantage that the tearing strip has an integral pulling member offering a safe grip for exerting a radial pull in the tearing strip. Such a radial pull will in general give a better control over the opening procedure than the axial pull, which is to be exerted in connection with the known container.
In order .to ease the removal of the reusable lid, the container unit is suitably designed, so that the upper, surface of the lid at least in some places protrude beyond the frame to form a grip for the fingers.
The construction according to the invention opens up the possibility in a simple way to produce a sealing, so that the consumer can check whether the container has been opened before. This is expediently obtained by means of a sealing string produced integrally with the lid and the pulling device, which string automatically tears when the pulling device is actuated for opening of the container. In connection with container units of plastics having continuously dimishing cross-section from the bottom to the lid allowing several identical container units to be stacked, it is normal to provide the wall of the container with stacking protrusions on the inside, so that it is avoided that the stacked container units to be conveyed separately to a filling machine are sticking together owing to the close contact. Such stacking protrusions occurring as local thickening of the wall often results in suckings showing as depressions in the outer side of the container wall. Such depressions destroy the appearance of the container and make it difficult to put printed matter or decoration on the wall. This disadvantage can be avoided in a container unit according to the invention by designing the upper surface of the lid protruding above the frame, preferably a radial flange, so that by stacking it will contact a corresponding shoulder at the inside of the adjacent container situated in such a place that the two adjacent container units cannot be pushed so close together that jamming or sucking occurs by the separation. Because the shoulder is only produced by inturning of the material in the wall without changing the thickness of the wall, no suction problems will arise. The flange on the upper surface of the lid further protects the pulling device and prevents that it is in the way by the stacking. List of Figures, short description of an embodiment.
The invention is explained in detail in the following by reference to an example of an embodiment of a container unit according to the invention and with referende to the drawing, in which
Fig. 1 shows a container unit according to the invention seen in perspective,
Fig. 2 a longitudinal cross-section of a container unit according to the invention with closure and container wall and tearing strip between closure and wall,
Fig. 3 an axial cross-section through a separate bottom to be put on the container unit,
Fig. 4 an axial cross-section through two container units stacked one into the other,
Fig. 5 an axial cross-section through a container unit with mounted bottom and with the container lid put on the container after removal of the tearing strip, arid Fig. 6 two with bottom assembled containers stacked one upon the other.
The drawing shows a container with a lid 1 and a tapering side wall 4 and a bottom 3. The container is produced by injection moulding of plastics in two units, one of which is shown in Figs. 1 and 2 and comprises the closure 1, the wall 2 and the intermediate tearing strip 4 with a pulling flap 5, by means of which the closure 1 can be removed from the container wall 2. The tearing strip 4 is produced with weakening lines 6, which can be more or less discontinuous in order to create suitable flowing paths for the plastics between closure and wall during the moulding. On the under side of the lid 1 is a circumferential -frame 7 having an outwardly projecting wedge shaped rib or bead 8 the whole way around and designed for meshing the lower edge 9 of a narrowed edge zone 10 in the upper part of the container wall 2 when the lid after removal of the tearing strip is put on the container.
Flush with the upper side of the lid is an outward protruding flange 11 and the container wall
2 is designed with an inward going part 12 forming a shoulder 13 against which the flange 11 of the lid can rest when several container units are stacked within each other as shown in Fig. 4 in the usual way to save room by the storing and transport of this kind of container units.
Between the pulling flap 5 and the flange 7 is moulded a sealing string 14 which is broken when the tearing strip 4 is removed by pull in the pulling flap. The sealing string 14 is weakened at the pulling flap so that after having been broken it remains on the flange 7 as shown in Fig. 5, thereby indicating that the container has been opened even if the lid 1 rests on and closes the container. As can be seen in Fig. 4 the flange 7 and the narrowed upper part of the container form a space for the pulling flap 5 so that this does not get in the way by the stacking of the container units.
As can be seen in Fig. 2 the container wall 2 has below a circumferential groove 15 corresponding to an upwards protruding rib 16 along the circumference of the bottom 3 as can be seen in Fig. 3. When the container has been filled in a position with the closure facing downwards, the bottom
3 is put on the container unit with the rib 16 within the groove 15, and these units are welded together preferably by friction welding. The bottom 3 has a depression 17, Fig. 3, which corresponds to the top surface of the lid inclusive the flange 7, so that filled containers can be put one upon the other in a stable stack as shown in Fig. 6.
The container units can be filled up to a volume corresponding to the lower edge of the tearing strip 4 on the complete container even with a foaming fluid owing to the auxiliary container volume derived from the height of the tearing strip and the frame 7.

Claims

PATENT CLAIMS 1. Container with side wall, cover and tearing device produced as a unit to be closed after filling by means of a separately produced bottom, characterized in that the tearing device is a circumventing tearing strip (4) around the container wall (2) between its upper edge and the lower edge of a frame (7) around the closure (1), which after the removal of the tearing strip (4) is adapted to fit into the upper edge zone
(10) of the container wall (2) as a reusable lid.
2, Container unit according to claim 1, characterized in that the frame (7) of the lid and the upper edge zone (10) of the container wall have mutually complementary holding means (8, 9).
3. Container unit according to claim 1 or 2, characterized in that the tearing strip (4) has a pulling flap (5) for manually opening of the container by a radial pull.
4. Container unit according to claim 1, 2 or 3, characterized in that the upper surface of the. lid at least in some places (11) protrudes beyond the frame (7) to form a grip for easing the removal of the lid.
5. Container unit according to claim 1, 2, 3 or 4, characterized by a sealing string (14) produced integrally with the lid (1) and the pulling flap (5) .
6. Container unit according to claim 3 or 5 produced in plastics and with a continuously decreasing cross-section from the bottom to the lid, so that several identical container units can be stacked, characterized in that the upper surface of the lid protruding beyond the frame, preferably a radial flange
(11) is designed so that by stacking it rests against a correspondingly designed circumferential shoulder
(13) inside the adjacent container and situated so that two adjacent container units cannot be pushed one into the other so that a jaming or sucking occurs by the separation .
PCT/DK1979/000006 1978-03-07 1979-03-07 Container with side wall,cover and tearing device produced as a unit Ceased WO1979000722A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK101378A DK101378A (en) 1978-03-07 1978-03-07 CONTAINER BOTTOM WITH OUT IN A MANUFACTURED SIDEWALL LAYER AND RIPING DEVICE
DK1013/78 1978-03-07

Publications (1)

Publication Number Publication Date
WO1979000722A1 true WO1979000722A1 (en) 1979-10-04

Family

ID=8100016

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK1979/000006 Ceased WO1979000722A1 (en) 1978-03-07 1979-03-07 Container with side wall,cover and tearing device produced as a unit

Country Status (4)

Country Link
EP (1) EP0015264A1 (en)
DK (1) DK101378A (en)
NO (1) NO790751L (en)
WO (1) WO1979000722A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2543917A1 (en) * 1983-04-06 1984-10-12 Euro Conseils Services Improvement applied to containers made of synthetic material, such as bottles or similar articles
EP0148163A3 (en) * 1984-01-03 1987-05-13 Johnsen & Jorgensen (Plastics) Limited Tamper-resistant closure
US4671420A (en) * 1985-12-06 1987-06-09 Paul Marcus Tamper evident container with integral tear strip
US4687111A (en) * 1986-02-25 1987-08-18 Paul Marcus Tamper evident container
DE8810948U1 (en) * 1988-08-30 1988-10-06 Klocke Verpackungs-Service GmbH, 7504 Weingarten Packaging for piece goods
EP1317382A4 (en) * 2000-07-19 2004-03-03 In Vivo Systems Ltd Tamper proof hinged lid container
DE102007035725A1 (en) * 2007-07-30 2009-02-05 Tepro Kunststoff-Recycling Gmbh & Co. Container and method of manufacturing the container

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1690441A (en) * 1925-04-16 1928-11-06 American Can Co Can
FR1030132A (en) * 1950-12-26 1953-06-10 Gaut Blancan Container or packaging with advanced opening device
BE664025A (en) * 1964-07-07 1965-09-16
GB1118950A (en) * 1966-12-29 1968-07-03 Andersen & Brunn England Ltd Improvements relating to bottle capsules
GB1130234A (en) * 1965-05-24 1968-10-09 Jakob Niederer Closure assemblies for a bottle or the like
GB1271923A (en) * 1969-03-17 1972-04-26 Lion Blancs De Semis Le Improvements in or relating to methods of manufacturing containers for the cultivation of mushroom mycelium
US3661289A (en) * 1969-10-21 1972-05-09 Segmueller Ag Bottle cap seal device with a tear-off safety strip
DK127376B (en) * 1970-06-19 1973-10-29 N Harild Method of manufacture, filling and closing of plastic containers, in particular for carbonated beverages.
US3998354A (en) * 1975-03-31 1976-12-21 Song John S Reusable sealed plastic cover

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1690441A (en) * 1925-04-16 1928-11-06 American Can Co Can
FR1030132A (en) * 1950-12-26 1953-06-10 Gaut Blancan Container or packaging with advanced opening device
BE664025A (en) * 1964-07-07 1965-09-16
GB1130234A (en) * 1965-05-24 1968-10-09 Jakob Niederer Closure assemblies for a bottle or the like
GB1118950A (en) * 1966-12-29 1968-07-03 Andersen & Brunn England Ltd Improvements relating to bottle capsules
GB1271923A (en) * 1969-03-17 1972-04-26 Lion Blancs De Semis Le Improvements in or relating to methods of manufacturing containers for the cultivation of mushroom mycelium
US3661289A (en) * 1969-10-21 1972-05-09 Segmueller Ag Bottle cap seal device with a tear-off safety strip
DK127376B (en) * 1970-06-19 1973-10-29 N Harild Method of manufacture, filling and closing of plastic containers, in particular for carbonated beverages.
US3998354A (en) * 1975-03-31 1976-12-21 Song John S Reusable sealed plastic cover

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2543917A1 (en) * 1983-04-06 1984-10-12 Euro Conseils Services Improvement applied to containers made of synthetic material, such as bottles or similar articles
EP0148163A3 (en) * 1984-01-03 1987-05-13 Johnsen & Jorgensen (Plastics) Limited Tamper-resistant closure
US4671420A (en) * 1985-12-06 1987-06-09 Paul Marcus Tamper evident container with integral tear strip
US4687111A (en) * 1986-02-25 1987-08-18 Paul Marcus Tamper evident container
DE8810948U1 (en) * 1988-08-30 1988-10-06 Klocke Verpackungs-Service GmbH, 7504 Weingarten Packaging for piece goods
EP1317382A4 (en) * 2000-07-19 2004-03-03 In Vivo Systems Ltd Tamper proof hinged lid container
US6871753B2 (en) 2000-07-19 2005-03-29 In-Vivo Systems Limited Tamper proof hinged lid container
DE102007035725A1 (en) * 2007-07-30 2009-02-05 Tepro Kunststoff-Recycling Gmbh & Co. Container and method of manufacturing the container
EP2025604A1 (en) 2007-07-30 2009-02-18 TEPRO Kunststoff-Recycling GmbH & Co. Holder and method for manufacturing same
DE102007035725B4 (en) * 2007-07-30 2011-04-28 Tepro Kunststoff-Recycling Gmbh & Co. Process for the production of containers

Also Published As

Publication number Publication date
EP0015264A1 (en) 1980-09-17
NO790751L (en) 1979-09-10
DK101378A (en) 1979-09-08

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