WO2006079220A1 - PRODUCT CONTAINER WITH FOLD-DOWN LlD - Google Patents

PRODUCT CONTAINER WITH FOLD-DOWN LlD Download PDF

Info

Publication number
WO2006079220A1
WO2006079220A1 PCT/CA2006/000123 CA2006000123W WO2006079220A1 WO 2006079220 A1 WO2006079220 A1 WO 2006079220A1 CA 2006000123 W CA2006000123 W CA 2006000123W WO 2006079220 A1 WO2006079220 A1 WO 2006079220A1
Authority
WO
WIPO (PCT)
Prior art keywords
lid
container
container body
further characterized
score line
Prior art date
Application number
PCT/CA2006/000123
Other languages
French (fr)
Inventor
George E. Sarson
Liming Cai
Original Assignee
The Cupworks Corporation
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 The Cupworks Corporation filed Critical The Cupworks Corporation
Publication of WO2006079220A1 publication Critical patent/WO2006079220A1/en

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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/02—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape
    • B65D3/08—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape having a cross-section of varying shape, e.g. circular merging into square or rectangular
    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/10—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by form of integral or permanently secured end closure
    • B65D3/20—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by form of integral or permanently secured end closure with end portion of body adapted to be closed, by flattening or folding operations, e.g. formed with crease lines or flaps
    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/26—Opening arrangements or devices incorporated in, or attached to, containers
    • B65D3/268—Opening arrangements or devices incorporated in, or attached to, containers the opening arrangement being located in a container 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
    • B65D2231/00—Means for facilitating the complete expelling of the contents
    • B65D2231/02—Precut holes or weakened zones
    • B65D2231/022—Precut holes or weakened zones for permitting the insertion of a tubular contents-removing device, e.g. a drinking straw

Definitions

  • This invention relates to disposable containers, particularly for liquids, powders or other flowable materials, but not limited to same.
  • a container body is provided, with an integral lid extending upwardly from an upper edge portion of the container body, as in the prior art.
  • a score line is provided between the container body and the lid, permitting the lid to be folded over to a closed position against the opposite side of the container.
  • the lid is shaped so that it conforms to the shape of the container body and can be sealed against the container body to produce a secure seal.
  • the score line is a straight line, which results in a lid which is planar when closed rather than convex nor concave.
  • the score line is parallel to the bottom of the container, and preferably when the lid is sealed to the container body, it is horizontal, thereby providing a flat horizontal lid surface to facilitate stacking and shipping.
  • the lid can be sealed to the container body by any suitable means, such as by being crimped, glued, melted or otherwise secured.
  • Fig. 1 is a perspective view of a preferred embodiment of the closed container;
  • Fig. 2 is a corresponding front view;
  • Fig. 3 is a corresponding side view, also illustrating stacking
  • Fig. 4 is a side view, of the container, before the lid is closed and sealed;
  • Fig. 5 is a corresponding front view
  • Fig. 6 is a plan view of a blank for the container.
  • Fig. 7 is a plan view of an alternative blank.
  • Figs. 1-6 show an example of the container.
  • the blank for this container
  • FIG. 6 (shown in Fig. 6) has a body portion 1, and a lid portion 2 extending upwardly from the body portion. Opposite edges 3 and 4 of the body are secured to each other in conventional fashion, to form the body of the container. A container bottom (not shown) is crimped or otherwise secured in place to form the bottom of the container, as is conventional and well known in the manufacture of paper cups or similar containers.
  • the container is ready for filling with the desired product (or it can be bottom-filled as explained later herein).
  • the lid is folded down for closure, along a provided score line 5.
  • the shape of the lid corresponds to the shape of the container at the point where the lid is in its intended sealed position, but preferably includes a sealing area 6 which is slightly larger. This sealing area can thus be folded upwardly (or downwardly), and then crimped, adhered, melted or otherwise sealed against the body in order to seal the container.
  • Suitable score lines 7 preferably are provided to facilitate this upward fold.
  • the lid could be provided with one or more puncture points 10 for puncturing by a straw or by other like puncture means, for example a spout.
  • the puncture points could be weakened spots in the lid, or simply spots indicated by printed matter as being preferred locations, the whole lid being puncturable by suitable means.
  • a tear-back tab or metal foil cover or the like (not shown) could be provided, which when removed, would expose an opening 11 in the lid.
  • a pull tab 12 could be provided, extending upwardly from the lid, which would permit the seal between the lid and the body to be broken, for example by peeling the lid back from the body, either partially or fully. In some cases, for example where the seal is truly permanent (melted plastic, for example), this may not be possible.
  • a blank such as the one in Fig. 7 could be used.
  • This configuration results in a seam (where edges 3 and 4 overlap) running across the center of the Hd.
  • a pull tab (not shown) where one edge overlaps the other could be used to pull the seam apart to gain access to the contents. In some embodiments, this may not be possible, for example when the container is made of plastic and the seam is permanently fused.
  • the lid may be closed prior to filling, except for an opening being left uncovered. After filling, a cover such as a pull tab or foil overlay could be positioned over the opening, and glued, heat-sealed or otherwise secured in place.
  • bottom-filling is an alternative in some embodiments.
  • the container may be inverted for filling, with the top sealed and the bottom open. After filling, the bottom of the container could then be secured.
  • a configuration for the container which has been found to be particularly advantageous is as illustrated, with the score line 5 being a straight line parallel to the bottom of the container, resulting in a planar lid. If the lid is dimensioned suitably, it can thus be folded over to a position where the entire lid is horizontal. This is significantly different from the lid ' in the prior patent, where a curved score line produces an arcuate lid which "snaps" from concave to convex when being closed, and where the Hd is not permanently sealed against the body.
  • a curved score line could be used in the invention as well, if desired, but has no particular advantage and indeed a straight line is both preferable and more advantageous.
  • the score line straight or curved, does not necessarily need to be parallel to the bottom of the container, if for some aesthetic or marketing reason an angled lid is desired.
  • this horizontal Hd configuration is particularly advantageous, as illustrated in Fig. 3, in that it permits containers to be readily stacked on top of each other, for more efficient packaging and shipping of filled containers.
  • Additional score lines 13 have been found to be further advantageous, in that they facilitate folding along the score line 5, and furthermore tend to assist in flattening the side of the container where the lid is folded.
  • the score line 5 of course is straight, whereas if the bottom of the container is round, there has to be a transition from the straight line to the curvature of the bottom of the container.
  • the additional score lines slightly delay that transition from straight to round and in effect reduce the diameter of the upper portion of the container.
  • the side with the lid thus is close to vertical instead of tapering outwardly as it otherwise would.
  • two adjacent containers can be butted against each other with very little loss of space between them. Because of the preferably horizontal lid, vertical stacking of the containers is also possible.
  • the materials used for the container may vary according to preference and according to the requirements of the product being packaged (for example, liquid vs. granules vs. powder; food or beverage grade vs. other).
  • the specific materials selected are not part of the invention as broadly defined.
  • the container may be of paper.
  • the container could be of coated paper, for example paper coated with polyethylene, polystyrene, polypropylene or other plastic.
  • the containers could be made entirely from polyethylene, polystyrene, polypropylene or other plastic. Many other materials may be available or chosen by those knowledgeable in the field of the invention.

Abstract

The container has a body (1) with an integral lid (2) extending upwardly from an upper edge portion thereof. A score line (5) is provided between the container body and the lid, permitting the lid to be folded over to a closed position against the opposite side of the container, the lid being shaped so that it conforms to the shape of the container body. The lid can be sealed against the container body to produce a secure seal. Preferably, the score line is a straight line parallel to the bottom of the container, resulting in a flat lid, and preferably the lid is sealed to the container body in a horizontal position, thereby providing a flat horizontal surface to facilitate stacking and shipping.

Description

PRODUCT CONTAINER WITH FOLD-DOWN LID
FIELD OF THE INVENTION
This invention relates to disposable containers, particularly for liquids, powders or other flowable materials, but not limited to same.
In the invention, there is some similarity to cups described in United States patent no. 6,176,420, granted on January 23, 2001, in that there is a container body having a lid portion extending upwardly from an upper edge of a portion of the body, with the lid being foldable downwardly towards the opposite side of the body. However, in the prior patent (where one of the present inventors was a co-inventor), the lid flipped from convex to concave, into its closed position within the body of the cup, arid tended to remain in that position once there, due to its particular shape and configuration. The seal, though suitable for many purposes such as cold beverages or the like intended for prompt consumption, was not complete, secure or permanent. The cups were not intended for filling with product for shipping filled.
However, the inventors have recognized a need for a simple container which could be sold empty or which could be filled with product for shipping or delivery to a point of sale, for example.
SUMMARY OF THE INVENTION
It is an object of the invention to provide a simple, effective and yet inexpensive container.
In the invention, a container body is provided, with an integral lid extending upwardly from an upper edge portion of the container body, as in the prior art. A score line is provided between the container body and the lid, permitting the lid to be folded over to a closed position against the opposite side of the container. The lid is shaped so that it conforms to the shape of the container body and can be sealed against the container body to produce a secure seal. In the preferred embodiment, the score line is a straight line, which results in a lid which is planar when closed rather than convex nor concave. Preferably, the score line is parallel to the bottom of the container, and preferably when the lid is sealed to the container body, it is horizontal, thereby providing a flat horizontal lid surface to facilitate stacking and shipping.
The lid can be sealed to the container body by any suitable means, such as by being crimped, glued, melted or otherwise secured.
Other aspects of the invention will be described or will become apparent in the course of the following detailed description.
BRIEF DESCRIPTION OF THE DRAWINGS
In order that the invention may be more clearly understood, exemplary embodiments thereof will now be described in detail, as examples only, with reference to the accompanying drawings, in which:
Fig. 1 is a perspective view of a preferred embodiment of the closed container; Fig. 2 is a corresponding front view;
Fig. 3 is a corresponding side view, also illustrating stacking;
Fig. 4 is a side view, of the container, before the lid is closed and sealed;
Fig. 5 is a corresponding front view; Fig. 6 is a plan view of a blank for the container; and
Fig. 7 is a plan view of an alternative blank.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
Figs. 1-6 show an example of the container. The blank for this container
(shown in Fig. 6) has a body portion 1, and a lid portion 2 extending upwardly from the body portion. Opposite edges 3 and 4 of the body are secured to each other in conventional fashion, to form the body of the container. A container bottom (not shown) is crimped or otherwise secured in place to form the bottom of the container, as is conventional and well known in the manufacture of paper cups or similar containers.
Once the container body is formed and the bottom is secured, the container is ready for filling with the desired product (or it can be bottom-filled as explained later herein). After filling, the lid is folded down for closure, along a provided score line 5. The shape of the lid corresponds to the shape of the container at the point where the lid is in its intended sealed position, but preferably includes a sealing area 6 which is slightly larger. This sealing area can thus be folded upwardly (or downwardly), and then crimped, adhered, melted or otherwise sealed against the body in order to seal the container. Suitable score lines 7 preferably are provided to facilitate this upward fold.
Any suitable means may be used to open the container to gain access to its contents. For example, the lid could be provided with one or more puncture points 10 for puncturing by a straw or by other like puncture means, for example a spout. The puncture points could be weakened spots in the lid, or simply spots indicated by printed matter as being preferred locations, the whole lid being puncturable by suitable means. Alternatively, a tear-back tab or metal foil cover or the like (not shown) could be provided, which when removed, would expose an opening 11 in the lid. Alternatively, a pull tab 12 could be provided, extending upwardly from the lid, which would permit the seal between the lid and the body to be broken, for example by peeling the lid back from the body, either partially or fully. In some cases, for example where the seal is truly permanent (melted plastic, for example), this may not be possible.
Another alternative constructions is that a blank such as the one in Fig. 7 could be used. This configuration results in a seam (where edges 3 and 4 overlap) running across the center of the Hd. A pull tab (not shown) where one edge overlaps the other could be used to pull the seam apart to gain access to the contents. In some embodiments, this may not be possible, for example when the container is made of plastic and the seam is permanently fused. In some embodiments, the lid may be closed prior to filling, except for an opening being left uncovered. After filling, a cover such as a pull tab or foil overlay could be positioned over the opening, and glued, heat-sealed or otherwise secured in place.
As mentioned briefly above, bottom-filling is an alternative in some embodiments. In such embodiments, the container may be inverted for filling, with the top sealed and the bottom open. After filling, the bottom of the container could then be secured.
A configuration for the container which has been found to be particularly advantageous is as illustrated, with the score line 5 being a straight line parallel to the bottom of the container, resulting in a planar lid. If the lid is dimensioned suitably, it can thus be folded over to a position where the entire lid is horizontal. This is significantly different from the lid 'in the prior patent, where a curved score line produces an arcuate lid which "snaps" from concave to convex when being closed, and where the Hd is not permanently sealed against the body. A curved score line could be used in the invention as well, if desired, but has no particular advantage and indeed a straight line is both preferable and more advantageous. The score line, straight or curved, does not necessarily need to be parallel to the bottom of the container, if for some aesthetic or marketing reason an angled lid is desired. However, this horizontal Hd configuration is particularly advantageous, as illustrated in Fig. 3, in that it permits containers to be readily stacked on top of each other, for more efficient packaging and shipping of filled containers.
Additional score lines 13 have been found to be further advantageous, in that they facilitate folding along the score line 5, and furthermore tend to assist in flattening the side of the container where the lid is folded. When the container is viewed from above, the score line 5 of course is straight, whereas if the bottom of the container is round, there has to be a transition from the straight line to the curvature of the bottom of the container. The additional score lines slightly delay that transition from straight to round and in effect reduce the diameter of the upper portion of the container. When the container is viewed from the side, as in Fig. 3, the side with the lid thus is close to vertical instead of tapering outwardly as it otherwise would. Thus for shipping purposes, it is an advantage that two adjacent containers can be butted against each other with very little loss of space between them. Because of the preferably horizontal lid, vertical stacking of the containers is also possible.
The materials used for the container may vary according to preference and according to the requirements of the product being packaged (for example, liquid vs. granules vs. powder; food or beverage grade vs. other). The specific materials selected are not part of the invention as broadly defined. In some cases, the container may be of paper. In other cases, the container could be of coated paper, for example paper coated with polyethylene, polystyrene, polypropylene or other plastic. Or the containers could be made entirely from polyethylene, polystyrene, polypropylene or other plastic. Many other materials may be available or chosen by those knowledgeable in the field of the invention.
The above embodiments and variations are examples only. Additional embodiments and variations will be apparent or become apparent immediately or in the future to those knowledgeable in the field of the invention. The invention is not limited to the specific embodiments and variations described herein, but rather is defined by the claims which follow.

Claims

CLAIMS:
1. A disposable container, comprising a container body (1) having an integral lid (2) extending upwardly from an upper edge portion thereof, provided with a score line (5) between the container body and the lid, permitting the lid to be folded over to a closed position against an opposite side of the container, characterized by the lid being shaped so that it conforms generally to the shape of the container body when in said closed position, the lid being sealable against the container body.
2. A disposable container as in claim 1, further characterized by said lid having an edge portion (6) foldable from a main portion of said lid, said edge portion being sealable against the container body to seal said lid.
3. A disposable container as in claim 1, further characterized by said score line being a straight line, thereby resulting in a planar lid.
4. A disposable container as in claim 3, further characterized by said straight line being substantially parallel to the bottom of the container.
5. A disposable container as in claim 4, further characterized by said lid being sealable to the container body in a substantially horizontal position, thereby providing a generally planar substantially horizontal lid surface to facilitate stacking and shipping.
6. A disposable container as in any one of claims 1 to 5, further characterized by means (10, 11) for accessing the interior of said container once sealed, said access means being selected from the group consisting of: at least one puncture point (10) in said lid for puncture by puncture means; a removable cover over an opening (11) in said lid; a pull tab extending upwardly from the lid, which would permit the seal between the lid and the body to be broken; and a pull tab arranged to separate at least part of a seam running across said lid.
PCT/CA2006/000123 2005-01-31 2006-01-30 PRODUCT CONTAINER WITH FOLD-DOWN LlD WO2006079220A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US64777905P 2005-01-31 2005-01-31
US60/647,779 2005-01-31

Publications (1)

Publication Number Publication Date
WO2006079220A1 true WO2006079220A1 (en) 2006-08-03

Family

ID=36740010

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2006/000123 WO2006079220A1 (en) 2005-01-31 2006-01-30 PRODUCT CONTAINER WITH FOLD-DOWN LlD

Country Status (2)

Country Link
US (1) US20060169759A1 (en)
WO (1) WO2006079220A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110180552A1 (en) * 2009-03-18 2011-07-28 Sarson George E Container apparatus and method for using the same
US8540114B2 (en) * 2009-03-18 2013-09-24 Cup Techniques Ltd. Container apparatus with a body, plate, and lid
US20150210443A1 (en) * 2009-03-18 2015-07-30 George E. Sarson Container apparatus and method for using the same
KR20150068463A (en) * 2009-06-12 2015-06-19 컴플리트 엘엘씨 Vessel and method for making the same
US9751655B2 (en) 2009-06-12 2017-09-05 Compleat Llc Vessel with folded dam
CN104302550A (en) * 2011-12-18 2015-01-21 卡普技术有限公司 Container apparatus and method for using the same
US8939349B2 (en) * 2012-03-15 2015-01-27 Dmitry Lerner Disposable cup
CA2943253A1 (en) * 2014-03-28 2015-10-01 Compleat Llc Vessel with folded dam

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US3563448A (en) * 1969-10-07 1971-02-16 Corco Inc Container end structure
US3929271A (en) * 1974-09-30 1975-12-30 American Can Co Carton and blank therefor
CA1045062A (en) * 1975-01-20 1978-12-26 Ernest L. Smith Container and blanks therefor
CA1236064A (en) * 1983-08-18 1988-05-03 Thomas W. Mcsherry Container with integral toggle closure
WO2000071435A1 (en) * 1999-05-25 2000-11-30 Jeffrey Michael Cahill End seals for cylindrical containers
US6176420B1 (en) * 1999-06-07 2001-01-23 George E. Sarson Disposable cup with spill resistant lid

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US1219152A (en) * 1916-08-16 1917-03-13 Maurice L Reid Sanitary receptacle.
US1745101A (en) * 1925-08-13 1930-01-28 Elie W Labombarde Paper box for liquids
US4135512A (en) * 1977-04-15 1979-01-23 Godsey David W Medication dispensing cup
US4534489A (en) * 1984-05-11 1985-08-13 Bartlett James V Biohazard waste container
US4714190A (en) * 1986-09-11 1987-12-22 Morrocco Diane M Fast food take out carton with cover
US4915235A (en) * 1989-05-12 1990-04-10 International Paper Company Tear panel french fry carton
US5960987A (en) * 1998-04-16 1999-10-05 Flip Cup Company, Llc Self sealing drinking dispenser
CA2412365A1 (en) * 2002-07-17 2004-01-17 George E. Sarson Disposable cup with fold-down lid
US6955289B2 (en) * 2004-02-06 2005-10-18 Lid Lock Cup Co. Ltd. Container having an integral lid

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3563448A (en) * 1969-10-07 1971-02-16 Corco Inc Container end structure
US3929271A (en) * 1974-09-30 1975-12-30 American Can Co Carton and blank therefor
CA1045062A (en) * 1975-01-20 1978-12-26 Ernest L. Smith Container and blanks therefor
CA1236064A (en) * 1983-08-18 1988-05-03 Thomas W. Mcsherry Container with integral toggle closure
WO2000071435A1 (en) * 1999-05-25 2000-11-30 Jeffrey Michael Cahill End seals for cylindrical containers
US6176420B1 (en) * 1999-06-07 2001-01-23 George E. Sarson Disposable cup with spill resistant lid

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