CA1161794A - Container with dome cover - Google Patents

Container with dome cover

Info

Publication number
CA1161794A
CA1161794A CA000398996A CA398996A CA1161794A CA 1161794 A CA1161794 A CA 1161794A CA 000398996 A CA000398996 A CA 000398996A CA 398996 A CA398996 A CA 398996A CA 1161794 A CA1161794 A CA 1161794A
Authority
CA
Canada
Prior art keywords
container
cover
rim
lugs
side wall
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.)
Expired
Application number
CA000398996A
Other languages
French (fr)
Inventor
Roger A. Kurinsky
Fred D. Alexander
Michael E. Holzkopf
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.)
Ekco Products Inc
Original Assignee
Ekco Products Inc
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 Ekco Products Inc filed Critical Ekco Products Inc
Application granted granted Critical
Publication of CA1161794A publication Critical patent/CA1161794A/en
Expired 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
    • B65D43/0212—Removable 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
    • 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
    • B65D2543/00342—Central part of the lid
    • B65D2543/00351—Dome-like
    • 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
    • B65D2543/00527—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
    • B65D2543/00481—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
    • 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
    • B65D2543/00638—Rolled edge
    • 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
    • B65D2543/00731—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
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00805—Segments
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/36—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for bakery products, e.g. biscuits

Abstract

ABSTRACT OF DISCLOSURE

The combination of a circular container and cover having their rim and flange, respectively, formed to provide multiple, equally spaced locking means. The container and cover have a plurality of spaced notches and handles respec-tively, formed on their outer side walls, said notches and handles providing means for handling and manipulating the container and cover for relative rotational movement there-between to effectuate said locking means.

Description

1 ~6:L79.~

BACKGROUND OF THE INVENTION

This invention relates to disposable containers having covers and particularly to such a container ~herein the cover is releasably interlocked with the container by a bayonet closure, or similar closure means requiring rotational movement of the cover relative to the container.

In the use of covered containers to package, dis-tribute and display food items it is desirable that the cover be of a transparent material to permit visual inspection of the packaged food. Therefore, and since the cconomies o dis-posable or non-reusable packaging demands a lightweight material or the cover~ the cover normally is a see-throug]l plastic of delicate and fragile construction. Such lixhtwcigllt material does not offer the rigidity necessary or the IISC o stalldard closure means, such as crimping, and, accordin~ly, securcn~ent of the cover to the container has ~een by heat ~c~ lg, scal-ing tape or stapling, depending on the compos;tioll o~ t]le container, or by forming the cover to provide ~n (lcllen~ling flange or portions of a flange to "snap-ovcr" tllc rim o~ thc `- ,,,. I _ ;

`7 ~ ~

underlying container. The sealing type closures are relatively expensive and the "snap" type closures result in loose or other-wise ineffective closures.

An inexpensive, positive closure, such as the bayonet type, that can be effective by interlocking the cover and con-tainer through rotational movement of one relative to the other is highly desirable. ~lowever, such a closure is diEEicult to achieve since the fragile nature of the lightweight plastic cover does not lend itself to the physical handling and manipu-lation for the required rotational movement. Furthermore, the problem is compounded when the cover is formed as a deep dome, such as to accommodate a two or three layer cake, which provides an unwieldy configuration.

Accordingly, it is the primary object of this inven-tion to overcome these disadvantages and provide a bayonet closure for locking a cover on a container, w~erein the cover is formed of a fragile material.

SUMMARY OF THE INVENTION

The container, positioned open upwardly, is circular having an outwardly extending rim with multiple, equally spaced flattened portions formed on the periphery of the rim. A domed cover, positioned open downwardly~ is also circular having an outwardly and downwardly extending flange portion designed to overlie the container rim when the cover is placed on the container. The cover flange has multiple, equally spaced, in-wardly extending lugs corresponding in number and shape with the container rim flattened portions, and which when aligned therewith permit axial movement of the cover onto the container whereby said lugs are disposed slightly below the container rim, ~ 1$1"~'3 ~
whereupon rok.ltional movement oF the co-ver relative to the container will move the cover lugs under the container rim, to ErictionaL engagement therewith. When the cover lugs are disposed under the container rim the cover cannot be moved axially away :From the container.

To permit the holding oE, and manipulation of, the container, the outer surface thereof is Eormed with a plurality of spaced indentations; and, to permit the holding of, and manipulation oF, the cover, the outer surface thereof is formed with a plurality of spaced protuberances The container inden-tations and the cover protuberances oFfer means whereby the container and cover can each be grasped by an individual's Eingers and thumbs or by mechanical devices.

DESCRIPTION OF THF DRAWINGS

Fig. 1 is a perspective view of a container and cover embodying the features of the invention set Eorth herein.

Fig. 2 is a sectional view taken along lines 2~2 of Fig. 1 but having the cover disposed on the container.

Fig. 2a is a bottom elevational view taken along lines 2a-2a of Fig. 2.

Fig 3 is a view similar to Fig. 2 but showing the cover after rotation to dispose the cover lugs under the container rim.

Fig. 3a is a bottom elevational view taken along lines 3a-3a of Fig. 3 Fig. 4 is a perspective view of a container and cover in position for relative rotational movement one to the other for locking the cover to the container, and illus-trating the positionment o an individual's thumbs and fingers to e-ffect such relative rotational movement.

Fig. 5 is a perspective view of a container and cover of my invention shown in association with a support device for the container.

DESCRIPTION OF A PREFERR~D EMBODI~ENT

Referring now to the drawings and specifically Fig. 1, the reference numeral 10 indicates a circular-shaped container comprising a bottom wall 11 having a side wall 12 extending upwardly therefrom and terminating in an outwardly extending rim 14. The rim 14 has multiple, equally spaced flattened portions 15 formed on the periphery thereof.
The side wall 12 is formed to provide multiple, equally spaced indentations or notches 16 located in radial alignment with the flattened portions 15 of rlm 14.

The reference numeral 20 indicates a circular-shaped cover comprising a top wall 21 having a side wall 22 depending downwardly therefrom and terminating in an outwardly and downwardly extending flange member indicated generally by the reference numeral 24. The flange 24 is formed to provide multiple, equal:Ly spaced shoulder portions or lugs 25 extend-ing inwardly therefrom. The side wall 22 is formed to pro-vide multiple, equally spaced protuberances or handles 26 located in radial alignment with the lugs 25 of flange 24.

As shown in Fig. 2 the flange 24 comprises an out-wardly extending ledge 27 and a downwardly extending leg 28 terminating in an outwardly extending lip 29. At selected ~ 3/l pos:itions on the f:Lange 2~ are the prevlously described lwgs 25 formed at the lower part of leg 28 and aligned radially therewith are the associated hand:Les 26, said handles being formed from the side wall material bulged outwardly in a man~
ner to provide flattened s~aced-apart portions 31.

Referring to Fig. 1 it can been seen that alignment of cover lugs 25 with container flattened portions or rim flats 15 permits the cover 20 to be placed on the container 10 whereby the cover flange 2~ seats on container rim 1~. The disposition o:E the cover lugs 25 re]ative to the rim flats 15 can best be seen in Pig. 2a.

When the cover 20 has been disposed upon the con-tainer 10 as described in reference to Figs. 1, 2 and 2a an interlocking closure of the cover and container can be achieved by rotational movement of the cover relative to the container.
As shown in Fig. 4, the thumb and finger of an individual's one hand indicated by reference numeral 32 can be inserted in the notches 16 of the container 10, and the thumb and finger of an individual's other hand indicated by reference numeral 33 can grasp one of the handles 26 of the cover 20~ Rotation of the cover as indicated by the directional arrow 35 will move the cover lugs 25 to disposition under the rim 1~ thereby locking the coYer 20 to the container 10. This interaction of elements can be seen by referring to Figs. 3 and 3a. It is understood that the -frictional engagement of cover lug 25 and container rim 14 is achieved at five spaced locations in the embodiment shown, but that the actual number of lugs may vary depending on such factors as the circumferential size of the cover 10 or the circumferential span of the lugs 25.

Referring now to Fig. 5 there is shown a suppor~
device ~Q comprising a ring-like member ~1 having multiple, equally spaced posts ~2 ex~ending upwardly therefrom. The ~ ~5~7~3~
posts 42 are o a shape and si.ze to fit the notches 16 o:f con tainer 10 thereby holding the container :from rotational move-ment. Holding the container 10 stationary permits the use of both hands to handle and manipulate the cover 20. The size of some covers and their fragile nature makes such a holding device most helpful in achieving a quick as well as easy lock-ing operation. It should be noted that while the directional arrow 35 of Fig. 4 indicates rotational movement of the cover 20 in a counter clockwise direction to achieve locking as described, that is merely the preferred rotational movement for the shown position of the hands 32 and 33. In .fact, the cover 20 can be rotated either clockwise or counter clockwise to achieve locking by moving the cover lugs 25 rom a position of alignment with the rim flats 15 to disposition under the adjacent portion of container rim 14. Such optional rotation is attainable when both hands are free to rotate the cover 20, as shown in Fig. 5. It should be clear that after a locked condition has been achieYed, unlocking may be effectuated by rotational movement o the coYer 2Q relative to the container 10 ti dispose the lugs 25 in alignment wi`th the rim flats 15.

It is believed that the inYention and many of its attendant advantages can b.e understood from the oregoing description and it will b.e apparent ~hat various changes may . ~.e ~ade in the form, cons.truction and arrangement of parts without departing from the spirit and scope of the invention, the form hereinabove described being merely a pre-ferred emb:odi~ment7 ~6-

Claims (4)

THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE PROPERTY
OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. The combination of a circular container and a cover there-for having locking means for locking the cover to the container through rotational movement of the cover relative to the con-tainer, said container comprising a bottom wall having a side wall extending upwardly therefrom terminating in an outwardly extending rim, said cover comprising a top wall having a side wall depending therefrom terminating in an outwardly and down-wardly extending flange adapted to seat on said container rim, holding means formed on the outer surface of the container side wall for gripping said container, and handle means formed on the outer surface of the cover side wall for grasping said cover.
2. A container and cover according to Claim 1 wherein the lock-ing means comprises multiple equally-spaced lugs formed on the cover flange extending inwardly therefrom, and the same number of multiple equally-spaced flats formed on the periphery of the container rim, whereby radial alignment of said lugs and flats permits axial movement of the cover relative to the container.
3. A container and cover according to Claim 2 wherein the cover handle means comprises multiple equally-spaced protuberances radially aligned with the cover lugs, each lug constituting the lowermost terminus of the associated protuberance.
4. A container and cover according to Claim 3 wherein the con-tainer holding means comprises multiple equally-spaced notches radially aligned with the container rim flats.
CA000398996A 1981-12-14 1982-03-22 Container with dome cover Expired CA1161794A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/330,142 US4375862A (en) 1981-12-14 1981-12-14 Container with dome cover
US330,142 1981-12-14

Publications (1)

Publication Number Publication Date
CA1161794A true CA1161794A (en) 1984-02-07

Family

ID=23288483

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000398996A Expired CA1161794A (en) 1981-12-14 1982-03-22 Container with dome cover

Country Status (8)

Country Link
US (1) US4375862A (en)
JP (1) JPS58112957A (en)
BE (1) BE893309A (en)
CA (1) CA1161794A (en)
DE (1) DE3220346A1 (en)
DK (1) DK151552C (en)
FR (1) FR2518063A1 (en)
GB (1) GB2111950B (en)

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Also Published As

Publication number Publication date
BE893309A (en) 1982-11-26
FR2518063B3 (en) 1985-02-15
US4375862A (en) 1983-03-08
GB2111950B (en) 1985-03-27
FR2518063A1 (en) 1983-06-17
DE3220346A1 (en) 1983-06-16
DK151552C (en) 1988-07-18
DK228282A (en) 1983-06-15
JPS58112957A (en) 1983-07-05
GB2111950A (en) 1983-07-13
DK151552B (en) 1987-12-14

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