US3589551A - Locking device for cover of containers - Google Patents
Locking device for cover of containers Download PDFInfo
- Publication number
- US3589551A US3589551A US822209A US3589551DA US3589551A US 3589551 A US3589551 A US 3589551A US 822209 A US822209 A US 822209A US 3589551D A US3589551D A US 3589551DA US 3589551 A US3589551 A US 3589551A
- Authority
- US
- United States
- Prior art keywords
- flap
- locking device
- rim
- cover
- container
- 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 - Lifetime
Links
Images
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
- B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
- B65D43/0218—Removable lids or covers without integral tamper element secured only by friction or gravity on both the inside and 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
- B65D2543/00018—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
- B65D2543/00444—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
- B65D2543/00509—Cup
-
- 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
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/00555—Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside
-
- 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
- This invention relates to a locking device for covers of containers with rim running at least partly around the opening.
- the locking device consisting of flaps arranged in the edge of the cover.
- Locking devices with a flap which can be bent around a rim have been known earlier, but in these the flap is in principle no longer than the width of the rim.
- the material is in principle not elastic but in due course becomes subject to fracture.
- a flap of common type is made of sheet metal. Locking with a flap of this kind is thus possible only a limited number of times before breakage of the flap occurs.
- the object of the present invention is to eliminate the aforesaid drawbacks and to create a simple and reliable locking device for plasticcontainers with cover, the which locking device can be operated a virtually unlimited number of times.
- each flap of the cover are elastic and that the outer end of the flap can be bent around the edge of the rim and pressed into the space between the inside of the rim and the wall of the container where it is held in locked position in engagement with said wall or a part projecting from it.
- FIG. la shows a section through a plastic container with cover and locking device in accordance with the invention
- FIG. 1b shows a section along the line A-A in FIG. la
- FIG. 2a shows a modification of the embodiment in F IG. la
- FIG. 2b shows a section along the line B-B in FIG. 2a.
- a plastic container l has a rim 2 running along the edge of the container.
- the plastic cover 3 of the container has a corresponding rim 4 with a flap 5 with a thinner folding section 6 in the transition between cover and flap.
- the position of the flap 4 will be as indicated by the dashed line.
- the folding section 6 lies below the lower edge 7 of the rim 2 and the flap is pressed up in the edge of the rim at the same time as the latter may be forced somewhat outwards, since the length D of the flap is greater than the width C of the rim. If the external influence of rim and flap is now removed, the state of equilibrium arises which is indicated by fully drawn lines in FIG. Ib.
- the cover 3 is held in position merely by the influence of strong vertical forces, as the relatively stiff flap has no tendency to slide round the lower edge 7 of the rim.
- the only possibility of releasing the flap 5 from the locked position is to force the container and the rim of the cover apart, for example by gripping under the rim of the container at the side of the flap, so that the outer end of the flap can pass the side of the container level with the folding section 6 of the flap, i.e. so that the lower width C of the rim of the container is equal to length D of the flap.
- the elastic folding section will then automatically bring the flap back to the position indicated by the dashed line.
- the force required for bending out the rim of the container, and which is an indication of the security of the lock can naturali be adapted for various functions and applications, from sma l household storage vessels to large industrial containers.
- FIG. 2b shows a modification of the embodiment in FIGS. la and llb.
- the flap 8 is given an extra secure hold in locked position by a projection 9 on the lower side of the rim.
- a projection instead of a projection, however, one can also arrange a recess for the same function.
- the folding section Il) of the flap lies in this case rather below the lower edge l2 of the rim.
- the flap has a recess l1 in which a grip can be obtained with oneor more fingers, or possibly with a mechanical device, to get a better hold on the flap.
- a bead or the like could be used for the same purpose.
- At the bottom edge of the cover there is a bead 13 to hold the cover with some snap action as an additional locking effect.
- a locking device for a cover of plastic material for a container having a rim running around the opening comprising a flap arranged in the edge of the cover, the improvement wherein at least part of the flap is elastic so as to enable the outer end of the flap to be bent around and pressed into the space between the inside of the rim and the wall of the container and to be held in locked position in engagement with said wall, the length D of the flap in the direction out from the edge of the cover being greater than the distance C between the wall of the container and the inside of the rim.
- Locking device in accordance with claim l, wherein on the lower side of the rim of the container there is a recess and a projection for removably retaining the flap in locked position.
- Locking device in accordance with claim 1 wherein the outer end of the flap, when pressed into the space between the inside of the rim and the wall of the container, is removably retained in locked position in engagement with a projection on said wall.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO1941/68A NO117404B (pt) | 1968-05-16 | 1968-05-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3589551A true US3589551A (en) | 1971-06-29 |
Family
ID=19878537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US822209A Expired - Lifetime US3589551A (en) | 1968-05-16 | 1969-05-06 | Locking device for cover of containers |
Country Status (5)
Country | Link |
---|---|
US (1) | US3589551A (pt) |
DE (1) | DE1924472A1 (pt) |
DK (1) | DK119951B (pt) |
NO (1) | NO117404B (pt) |
SE (1) | SE356016B (pt) |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4333584A (en) * | 1980-09-19 | 1982-06-08 | Sears, Roebuck And Co. | Container closure |
US4376493A (en) * | 1980-09-19 | 1983-03-15 | Sears, Roebuck And Co. | Lockable closure for containers |
US4476993A (en) * | 1983-10-06 | 1984-10-16 | Krout Gerald R | Tamperproof lid |
US4574975A (en) * | 1984-09-20 | 1986-03-11 | Reynolds Metals Company | Resealable container closure |
US4793510A (en) * | 1987-07-13 | 1988-12-27 | Reynolds Metals Company | Resealable container closure |
USRE32927E (en) * | 1983-10-31 | 1989-05-23 | Reynolds Metals Company | Resealable container closure |
US5253772A (en) * | 1991-05-21 | 1993-10-19 | Sweetheart Cup Company, Inc. | Tamper evident container assembly |
US5348181A (en) * | 1992-12-30 | 1994-09-20 | James River Corporation Of Virginia | Winged cup lid |
US5490827A (en) * | 1991-05-21 | 1996-02-13 | Sweetheart Cup Company, Inc. | Tamper evident container and related apparatus |
GB2306161A (en) * | 1995-10-14 | 1997-04-30 | Pechiney Packaging Food & Gene | Lid with deformable latching means |
US5658228A (en) * | 1992-04-30 | 1997-08-19 | Sweetheart Cup Company, Inc. | Tamper evident container and related apparatus |
US5996833A (en) * | 1997-11-05 | 1999-12-07 | Sonoco Development, Inc. | Tamper evident dust cover for a drum bung |
US6070755A (en) * | 1999-07-20 | 2000-06-06 | Waddington North America, Inc. | Lid with folding side tabs for hot beverage cup |
US20040206766A1 (en) * | 2003-04-18 | 2004-10-21 | Law Chi Hung | Container |
US20080230507A1 (en) * | 2004-03-31 | 2008-09-25 | Alexander James Peacop | Container and Closure Arrangement |
US20100133272A1 (en) * | 2007-01-12 | 2010-06-03 | Waddington North America, Inc. | One-piece splash and spill resistant lid |
US20100170899A1 (en) * | 2009-01-05 | 2010-07-08 | Waddington North America, Inc. | Lid featuring ease of use and improved release from a tray or container |
US9387961B2 (en) | 2013-04-05 | 2016-07-12 | Waddington North America, Inc. | Splash and spill resistant lid |
US9850043B2 (en) | 2009-01-05 | 2017-12-26 | Waddington North America, Inc | Lid featuring ease of use and improved release from a tray or container |
US9944435B2 (en) | 2015-01-14 | 2018-04-17 | Waddington North America, Inc. | Two-piece splash and spill resistant lid assembly and method therefor |
US10271684B1 (en) | 2015-07-30 | 2019-04-30 | Columbia Insurance Company | Adjustable lid for bakeware pan |
US10405680B2 (en) | 2015-01-14 | 2019-09-10 | Waddington North America, Inc. | Lid featuring improved splash and spill resistance and ease of flow |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1901581A (en) * | 1929-09-30 | 1933-03-14 | Alfred J Chamberlain | Closure for containers |
US1948920A (en) * | 1931-06-30 | 1934-02-27 | Smith M Johnson | Attaching means for container heads |
-
1968
- 1968-05-16 NO NO1941/68A patent/NO117404B/no unknown
-
1969
- 1969-05-06 US US822209A patent/US3589551A/en not_active Expired - Lifetime
- 1969-05-09 SE SE06650/69A patent/SE356016B/xx unknown
- 1969-05-13 DE DE19691924472 patent/DE1924472A1/de active Pending
- 1969-05-14 DK DK261369AA patent/DK119951B/da unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1901581A (en) * | 1929-09-30 | 1933-03-14 | Alfred J Chamberlain | Closure for containers |
US1948920A (en) * | 1931-06-30 | 1934-02-27 | Smith M Johnson | Attaching means for container heads |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4376493A (en) * | 1980-09-19 | 1983-03-15 | Sears, Roebuck And Co. | Lockable closure for containers |
EP0048472B1 (en) * | 1980-09-19 | 1986-01-15 | Sears, Roebuck And Co. | Lockable closure for containers |
US4333584A (en) * | 1980-09-19 | 1982-06-08 | Sears, Roebuck And Co. | Container closure |
US4476993A (en) * | 1983-10-06 | 1984-10-16 | Krout Gerald R | Tamperproof lid |
USRE32927E (en) * | 1983-10-31 | 1989-05-23 | Reynolds Metals Company | Resealable container closure |
US4574975A (en) * | 1984-09-20 | 1986-03-11 | Reynolds Metals Company | Resealable container closure |
US4793510A (en) * | 1987-07-13 | 1988-12-27 | Reynolds Metals Company | Resealable container closure |
US5653382A (en) * | 1991-05-21 | 1997-08-05 | Sweetheart Cup Company, Inc. | Tamper evident container and related apparatus |
US5253772A (en) * | 1991-05-21 | 1993-10-19 | Sweetheart Cup Company, Inc. | Tamper evident container assembly |
US5490827A (en) * | 1991-05-21 | 1996-02-13 | Sweetheart Cup Company, Inc. | Tamper evident container and related apparatus |
US5658228A (en) * | 1992-04-30 | 1997-08-19 | Sweetheart Cup Company, Inc. | Tamper evident container and related apparatus |
US5348181A (en) * | 1992-12-30 | 1994-09-20 | James River Corporation Of Virginia | Winged cup lid |
GB2306161A (en) * | 1995-10-14 | 1997-04-30 | Pechiney Packaging Food & Gene | Lid with deformable latching means |
GB2306161B (en) * | 1995-10-14 | 1999-03-10 | Pechiney Packaging Food & Gene | Improved container |
US5996833A (en) * | 1997-11-05 | 1999-12-07 | Sonoco Development, Inc. | Tamper evident dust cover for a drum bung |
US6070755A (en) * | 1999-07-20 | 2000-06-06 | Waddington North America, Inc. | Lid with folding side tabs for hot beverage cup |
US20040206766A1 (en) * | 2003-04-18 | 2004-10-21 | Law Chi Hung | Container |
US20080230507A1 (en) * | 2004-03-31 | 2008-09-25 | Alexander James Peacop | Container and Closure Arrangement |
US20100133272A1 (en) * | 2007-01-12 | 2010-06-03 | Waddington North America, Inc. | One-piece splash and spill resistant lid |
US20100170899A1 (en) * | 2009-01-05 | 2010-07-08 | Waddington North America, Inc. | Lid featuring ease of use and improved release from a tray or container |
US8701930B2 (en) | 2009-01-05 | 2014-04-22 | Waddington North America, Inc. | Lid featuring ease of use and improved release from a tray or container |
US9850043B2 (en) | 2009-01-05 | 2017-12-26 | Waddington North America, Inc | Lid featuring ease of use and improved release from a tray or container |
US9387961B2 (en) | 2013-04-05 | 2016-07-12 | Waddington North America, Inc. | Splash and spill resistant lid |
US9944435B2 (en) | 2015-01-14 | 2018-04-17 | Waddington North America, Inc. | Two-piece splash and spill resistant lid assembly and method therefor |
US10405680B2 (en) | 2015-01-14 | 2019-09-10 | Waddington North America, Inc. | Lid featuring improved splash and spill resistance and ease of flow |
US10271684B1 (en) | 2015-07-30 | 2019-04-30 | Columbia Insurance Company | Adjustable lid for bakeware pan |
Also Published As
Publication number | Publication date |
---|---|
SE356016B (pt) | 1973-05-14 |
DE1924472A1 (de) | 1969-11-20 |
DK119951B (da) | 1971-03-15 |
NO117404B (pt) | 1969-08-04 |
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