WO1995032128A1 - Lid for plastic container - Google Patents
Lid for plastic container Download PDFInfo
- Publication number
- WO1995032128A1 WO1995032128A1 PCT/US1995/006692 US9506692W WO9532128A1 WO 1995032128 A1 WO1995032128 A1 WO 1995032128A1 US 9506692 W US9506692 W US 9506692W WO 9532128 A1 WO9532128 A1 WO 9532128A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wall
- lid
- container
- bridge element
- edge portion
- Prior art date
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
- 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
- B65D2543/0037—Flexible or deformable
-
- 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
- B65D2543/00398—Reinforcing ribs in the central part of the closure
- B65D2543/00407—Reinforcing ribs in the central part of the closure radial
-
- 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
- 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
- B65D2543/00657—U-shaped or inverted U
-
- 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
- B65D2543/00759—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
- B65D2543/00953—Sealing means
- B65D2543/0099—Integral supplemental sealing lips
Definitions
- the present invention relates to plastic containers with inwardly projecting rims and particularly to lids for sealing such containers.
- the invention also relates to a method of sealing plastic containers to prevent spillage when dropping the container or knocking it over.
- Yet another object of the invention is to provide lids for plastic containers with inwardly projecting rims which provide a better seal and render the container spill-proof on impact, especially lateral impact.
- Still another object of the invention is to provide a method for sealing containers to prevent spillage on dropping or falling over to the ground.
- Figure 1a is a sectional elevational view of a lidded container in accordance with the prior art
- Figure 1b is a blown-up detailed view of section A in Figure 1a;
- Figure 2a is a sectional elevational view of a lidded container in accordance with the invention.
- Figure 2b is a blown-up detailed view of section B in Figure 2a.
- Figure 3 is a blown-up section view of a lid closure in accordance with an alternative embodiment of the invention.
- FIGS. 1a and 1b represent a prior art container 10, generally round in configuration and having a snap-fit lid 2.
- the closure between lid 2 and container 10 is as follows.
- Wall 16 of the container 10 has an upper rim 12 extending around the inner wall of the container.
- This rim 12 is thicker than wall 16 and includes a top edge 22 and a lower lip 8, which forms a groove 9 in the rim 12.
- Lid 2 comprises a flat round central portion 4, from which there extends around the entire lid an edge portion 14 which is generally trough shaped.
- This edge portion 14 comprises an inner wall 15 and an outer wall 17, which are connected at the bottom of the walls 15 and 17 by a fixed bridging element 19.
- a circumferential flange 6 at the lower end of wall 17 is adapted to engage the lower lip 8 of rim 12.
- the lid 2 is thus closed on the container 10 by pressing the lid 2 downwards into the container, thereby snapping flange 6 under lip 8 and at the same time contacting upper end 20 of wall 17 with upper edge 22 of rim 12.
- a sealing ring 18 ( Figure 1b) is provided on wall 17, which presses against rim 12 when the lid is closed.
- This particular configuration of the edge portion 14 with a fixed element 19 bridging walls 15 and 17, provides sufficient resilience so that flange 6 can undergo lateral displacement either when closing the lid by pressing downward or by prying the lid open with a sharp instrument inserted between the upper end 20 of the outer wall and top edge 22 of rim 12.
- This prior art container 10 has serious deficiencies, one of which is that the container is not spill-proof when knocked over or falls from a stack of containers and impacts the ground.
- the contents of the container press against the inner surface of lid 2, creating a force pushing the lid outward from the container.
- This outward force causes the trough-shaped edge portion 14 to flex and pull walls 15 and 17, including flange 6, inwardly into the interior of the container, disengaging it from lower lip 8 of rim 12, thereby creating an opening for spillage of the container contents.
- the force against the container lid from inside the container is sufficiently great, the entire lid is subject to being pushed out.
- One way of overcoming this problem is by making the rim 12 wider. This, however, creates a different problem, by making it more difficult to open the lid under normal use conditions or to close the lid after filling the container in the factory, or reclosing the lid after use the first time.
- FIG. 2a and 2b there is illustrated a container with a lid in accordance with one embodiment of the present invention.
- the container 10 is the same as shown in Figure 1a having an internal rim 12 with lower lip 8.
- the lid is different.
- the lid 2a has a similarly flat round central portion 4 which is connected to a generally trough-shaped edge portion 14a via circumferential hinge 5.
- This edge portion 14a is different from the prior art and enables easier opening and closing of the container than was previously possible and furthermore provides resistance to accidental opening of the lid and spillage when the container is subjected to impact, for example falling or being knocked over.
- the edge portion 14a of lid 2a is comprised of a rigid inner wall 15a and exterior wall 17a with a diagonal bridging element 19a between them.
- This bridging element 19a is hingedly connected at its terminal ends 38 and 40 to walls 15a and 17a respectively.
- Wall 17a in the present instance can be made thinner than wall 17 of the prior art lid shown in Figures 1a and 1b.
- the inner wall 15a is made rigid by providing radial reinforcing ribs 30.
- bridging element 19a is made rigid by providing periodic reinforcing ribs 32.
- the outer wall 17a comprises an upper lip 20a, flange 6a and sealing ring 18a similar to the corresponding elements in Figures 1a and 1b.
- the lid of this invention as illustrated in Figures 2a and 2b is easier to close and to open and is more resistant to spilling of contents when the container is subjected to impact, such as by falling, especially lateral impact on the side of the container. This is because when the contents of the container 10 upon impact exert a force on the lid 2a from inside the container, the rigid wall 15a is displaced upwardly via hinge 5 towards the opening of the interior of the container 10.
- the outer wall 17a remains firmly attached to the rim 12, because diagonal bridging element 19a, which is connected to wall 15a by means of hinge 38 and to wall 17a by means of hinge 40, translates the upward force exerted on wall 15a to a lateral component and adjusts itself between walls 15a and 17a to provide lateral outward displacement of flange 6a which remains engaged with lip 8 to keep the seal between lid 2 and wall 16 intact. Moreover, even if side wall 16 were to be displaced outwardly from the container, the hinged diagonal bridging element 19a would displace wall 17a in the same outward direction, while maintaining its grip on rim 12.
- Wall 15a has at its approximate center a ledge 13 with a vertically downward extending rib 23 circling the under side of the lid.
- the circumferential rib 23, together with the radial rib 30, provide the required rigidity to wall 15a.
- Step 13 is more for design purposes for better stacking of lids and not essential to the invention as is shown in Figure 3, which shows another embodiment of the lid having a straight inner wall 15b.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU26521/95A AU2652195A (en) | 1994-05-25 | 1995-05-25 | Lid for plastic container |
GB9624194A GB2303365B (en) | 1994-05-25 | 1995-05-25 | Lid for plastic container |
US08/737,795 US5839604A (en) | 1994-05-25 | 1995-05-25 | Lid having flexibly hinged wall portions and container therefor |
DK134296A DK134296A (en) | 1994-05-25 | 1996-11-25 | Plastic container lid |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL109789 | 1994-05-25 | ||
IL10978994A IL109789A (en) | 1994-05-25 | 1994-05-25 | Lid for plastic container |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995032128A1 true WO1995032128A1 (en) | 1995-11-30 |
Family
ID=11066167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1995/006692 WO1995032128A1 (en) | 1994-05-25 | 1995-05-25 | Lid for plastic container |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU2652195A (en) |
DK (1) | DK134296A (en) |
GB (1) | GB2303365B (en) |
IL (1) | IL109789A (en) |
WO (1) | WO1995032128A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996016875A1 (en) * | 1994-11-25 | 1996-06-06 | Eric Bock | Drop-safe plastics lid for container |
WO2007095539A3 (en) * | 2006-02-13 | 2007-11-15 | Tripath Imaging Inc | Container assembly and pressure-responsive penetrable cap for the same |
WO2009043687A1 (en) * | 2007-10-04 | 2009-04-09 | Erik Bock | Plastic container |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3817420A (en) * | 1972-07-26 | 1974-06-18 | R Heisler | Plastic container with plug-type plastic cover |
US4577776A (en) * | 1983-12-02 | 1986-03-25 | Metal Box Plc | Containers and lever ring |
US4606474A (en) * | 1984-12-19 | 1986-08-19 | Mardon Illingworth Limited | Container with plug-fitting lid |
US4799602A (en) * | 1987-04-08 | 1989-01-24 | Metal Box P.L.C. | Plug lid for a container |
US5307949A (en) * | 1992-12-21 | 1994-05-03 | Von Holdt Jr John W | Tear-away lid and container |
-
1994
- 1994-05-25 IL IL10978994A patent/IL109789A/en not_active IP Right Cessation
-
1995
- 1995-05-25 GB GB9624194A patent/GB2303365B/en not_active Expired - Fee Related
- 1995-05-25 WO PCT/US1995/006692 patent/WO1995032128A1/en active Application Filing
- 1995-05-25 AU AU26521/95A patent/AU2652195A/en not_active Abandoned
-
1996
- 1996-11-25 DK DK134296A patent/DK134296A/en not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3817420A (en) * | 1972-07-26 | 1974-06-18 | R Heisler | Plastic container with plug-type plastic cover |
US4577776A (en) * | 1983-12-02 | 1986-03-25 | Metal Box Plc | Containers and lever ring |
US4606474A (en) * | 1984-12-19 | 1986-08-19 | Mardon Illingworth Limited | Container with plug-fitting lid |
US4799602A (en) * | 1987-04-08 | 1989-01-24 | Metal Box P.L.C. | Plug lid for a container |
US5307949A (en) * | 1992-12-21 | 1994-05-03 | Von Holdt Jr John W | Tear-away lid and container |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996016875A1 (en) * | 1994-11-25 | 1996-06-06 | Eric Bock | Drop-safe plastics lid for container |
WO2007095539A3 (en) * | 2006-02-13 | 2007-11-15 | Tripath Imaging Inc | Container assembly and pressure-responsive penetrable cap for the same |
US8177084B2 (en) | 2006-02-13 | 2012-05-15 | Tripath Imaging, Inc. | Container assembly and pressure-responsive penetrable cap for the same |
WO2009043687A1 (en) * | 2007-10-04 | 2009-04-09 | Erik Bock | Plastic container |
Also Published As
Publication number | Publication date |
---|---|
GB9624194D0 (en) | 1997-01-08 |
IL109789A0 (en) | 1994-08-26 |
GB2303365A (en) | 1997-02-19 |
GB2303365B (en) | 1998-06-03 |
DK134296A (en) | 1997-01-24 |
IL109789A (en) | 1996-08-04 |
AU2652195A (en) | 1995-12-18 |
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