CA1133859A - Multiple-point hinge for double-wall plastic box - Google Patents
Multiple-point hinge for double-wall plastic boxInfo
- Publication number
- CA1133859A CA1133859A CA351,301A CA351301A CA1133859A CA 1133859 A CA1133859 A CA 1133859A CA 351301 A CA351301 A CA 351301A CA 1133859 A CA1133859 A CA 1133859A
- Authority
- CA
- Canada
- Prior art keywords
- box
- spines
- double
- hinge
- spine
- 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
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 8
- 229920003023 plastic Polymers 0.000 title claims abstract description 8
- 230000013011 mating Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/023—Containers for magazines or cassettes
- G11B23/0233—Containers for a single cassette
-
- 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
- B65D43/14—Non-removable lids or covers
- B65D43/16—Non-removable lids or covers hinged for upward or downward movement
- B65D43/163—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately
- B65D43/164—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately and connected by interfitting hinge elements integrally with the container and the lid formed respectively
-
- 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
- B65D2251/00—Details relating to container closures
- B65D2251/10—Details of hinged closures
- B65D2251/1016—Means for locking the closure in closed position
Abstract
47,346 CAN/REG
Abstract of the Disclosure Hinge for two-part, double-wall plastic box.
A spine-like projection extending along the rear of the base of the box terminates in hinge pins which fit into holes in the cover as in the prior art. In the novel box, the spine-like projection consists of two spaced spines, and another spine-like projection at the rear of the cover fits into the spacing between those spines to provide two additional hinge points. The spacing between the spines permits easy flexing for assembly.
Abstract of the Disclosure Hinge for two-part, double-wall plastic box.
A spine-like projection extending along the rear of the base of the box terminates in hinge pins which fit into holes in the cover as in the prior art. In the novel box, the spine-like projection consists of two spaced spines, and another spine-like projection at the rear of the cover fits into the spacing between those spines to provide two additional hinge points. The spacing between the spines permits easy flexing for assembly.
Description
ii338~-9 FN 47~346 CAN/REG
MULTIPLE-POINT HINGE FOR DOUBLE-WALL PLASTIC BOX
Blow-molded plastic boxes Qr double-wall con-struction are widely used where economy, durability and llght weight are desired. The light weight reduces shipping costs, and the double-wall construction provides cushioning against shocks. One such box for tape cassettes is shown in U. S. Patent No. 4,078,657. The detailed ; construction Or its hinge is not illustrated, but a box essentially as illustrated in the patent has been on the U. S. market ror several years. Extending along the rear Or the base Or the box is a hollow, upstandlng splne which terminates in a pair of hinge pins that fit lnto holes drilled into the cover. In commercial production, the box is assembled soon after its parts are molded and while they are still warm and supple. The cover ls placed in a fixture which spreads the holes apart slightly, and the assembler grasps the base and forces it into the fixture whlch bends the base of the box at the spine ln order to bring the hinge pins closer together. As the hinge pins move into alignment with the holes, the bending force is released and the hin~e pins snap into place. The hinge Or the box which has been on the market has a lateral i looseness which may not have been ob~ectlonable.
Similar to the box of No. 4,078,657, one part of the box Or the invention has upstanding spine means extending along its rear edge and terminating in a pair Or hinge pins, each fitting lnto a hole in the other part Or the box. The box Or the invention difrers from that of No. 4,078,657 in that its spine means comprlses two separate spines, and the spine-carrying part of the box is of substantially normal double-wall thickness at the spacing between the spines. A pro~ection rrOm said other part Or the box Or the invention fits into the spacing between the two spines, and the ad~acent ends of the pro-~ection and spines have mating convex and concave sur-faces which provide additional hinge points. These hingepoints provide a lateral stability which essentially ;` - 11~3~t9 .,
MULTIPLE-POINT HINGE FOR DOUBLE-WALL PLASTIC BOX
Blow-molded plastic boxes Qr double-wall con-struction are widely used where economy, durability and llght weight are desired. The light weight reduces shipping costs, and the double-wall construction provides cushioning against shocks. One such box for tape cassettes is shown in U. S. Patent No. 4,078,657. The detailed ; construction Or its hinge is not illustrated, but a box essentially as illustrated in the patent has been on the U. S. market ror several years. Extending along the rear Or the base Or the box is a hollow, upstandlng splne which terminates in a pair of hinge pins that fit lnto holes drilled into the cover. In commercial production, the box is assembled soon after its parts are molded and while they are still warm and supple. The cover ls placed in a fixture which spreads the holes apart slightly, and the assembler grasps the base and forces it into the fixture whlch bends the base of the box at the spine ln order to bring the hinge pins closer together. As the hinge pins move into alignment with the holes, the bending force is released and the hin~e pins snap into place. The hinge Or the box which has been on the market has a lateral i looseness which may not have been ob~ectlonable.
Similar to the box of No. 4,078,657, one part of the box Or the invention has upstanding spine means extending along its rear edge and terminating in a pair Or hinge pins, each fitting lnto a hole in the other part Or the box. The box Or the invention difrers from that of No. 4,078,657 in that its spine means comprlses two separate spines, and the spine-carrying part of the box is of substantially normal double-wall thickness at the spacing between the spines. A pro~ection rrOm said other part Or the box Or the invention fits into the spacing between the two spines, and the ad~acent ends of the pro-~ection and spines have mating convex and concave sur-faces which provide additional hinge points. These hingepoints provide a lateral stability which essentially ;` - 11~3~t9 .,
-2-eliminates any looseness in the hinge and thus affordsimproved quality.
The continuous upstanding spine means Or the hinge Or the box Or No. 4,078,657 inhibits ~lexing and ' 5 thus requires the use of a fixture ror convenient assembly, whereas the substantially double-wall thickness at the spacing between the spines Or the box of the invention . permits easy flexing for assembly without any fixture, especially when the parts are still warm from the heat of 10 molding. Both the pro~ection and the spines should be of double-wall construction so as to have sufficient re-silience to permit them to be moved into the mating position at which they preferably have an interference fit.
A hinged box embodying the invention is 15 schematically illustrated in the drawing wherein:
FIGURE 1 is an isometric view of the box, disassembled and omitting certain details of the con-struction of the double wall; and FIGURE 2 is a central section through the 20 assembled box, partially opened.
The box shown in the drawing comprises a base or contalner part 12 and a cover part 14. Two spaced, hollow, upstanding spines 16 and 18 extend along the rear of the base 12 and terminate at opposite ends in hinge pins 20 and 22, respectively. The ad~acent ends of the spines 16 and 18 have convex surfaces 24 and 26. A hollow pro~ection 28 from the rear of the cover 14 fits into the spacing between the spines 16 and 18 when the box is assembled and has concave surfaces 30 and 32 which mate with the convex surfaces 24 and 26, respectively, when the box is assembled. The thickness of the base 12 between the spines 16 and 18 is the same as that of its broad wall 33.
Preferably each of the convex surfaces 24 and 26 and the concave surfaces 30 and 32 is approximately spherical. The spacing between the convex surfaces 24 and 26 is slightly smaller than the distance between the concave surfaces 30 and 32 to provide an interference fit.
The radii of the convex surfaces 24 and 26 are somewhat ' 1133~9 ;~ smaller than the radii Or the concave surfaces 30 and 32 to insure good alignment. The mating of these surfaces gives a lateral stability and helps to rigidify the base 12 against any forces tending to flex the base in the area between the spines 16 and 18.
The cover 14 has a pair of holes 34 and 36 which serve as journals for the hinge pins 20 and 22, respectively. As in the patented boxes discussed above, !" these are conveniently formed by drilling through the first Or the double walls of the cover 14 to reach the space between the walls which is of adequate depth to , accept the hinge pins.
For convenience of molding the base 12, only the rearward portions of the convex surfaces 24 and 26 of the spines 16 and 18 are spherical. Their forward portions (closest to the interior of the box) are cut back to a minor extent (too minor to be shown in the drawing) to enhance the strength Or the molding tool at its parting line.
The novel box is equipped with a latch 40 of the type disclosed in U. S. Patent No. 4,153,178, and lts base 12 is formed with ribs 42 as in No. 4,153,178 which fit into grooves 44 of the cover 14. One edge 46 of each of the base 12 and cover 14 is formed with abutments 48 which serve as legs to enable the box to stand on edge.
The opposite edges of both the base 12 and cover 14 are recessed at 50 outside of the rib 42 and groove 44 so that one's finger can easily lift the cover from the base. The base has a pair of hubs 52 for holding the reels of a videocassette.
A preferred plastic for the novel box is high-density polyethylene which is commonly used for blow-molding, is of low cost and has good toughness, resistance to degradation and shape retention while having adequate flexibility for easy assembly of the box.
The continuous upstanding spine means Or the hinge Or the box Or No. 4,078,657 inhibits ~lexing and ' 5 thus requires the use of a fixture ror convenient assembly, whereas the substantially double-wall thickness at the spacing between the spines Or the box of the invention . permits easy flexing for assembly without any fixture, especially when the parts are still warm from the heat of 10 molding. Both the pro~ection and the spines should be of double-wall construction so as to have sufficient re-silience to permit them to be moved into the mating position at which they preferably have an interference fit.
A hinged box embodying the invention is 15 schematically illustrated in the drawing wherein:
FIGURE 1 is an isometric view of the box, disassembled and omitting certain details of the con-struction of the double wall; and FIGURE 2 is a central section through the 20 assembled box, partially opened.
The box shown in the drawing comprises a base or contalner part 12 and a cover part 14. Two spaced, hollow, upstanding spines 16 and 18 extend along the rear of the base 12 and terminate at opposite ends in hinge pins 20 and 22, respectively. The ad~acent ends of the spines 16 and 18 have convex surfaces 24 and 26. A hollow pro~ection 28 from the rear of the cover 14 fits into the spacing between the spines 16 and 18 when the box is assembled and has concave surfaces 30 and 32 which mate with the convex surfaces 24 and 26, respectively, when the box is assembled. The thickness of the base 12 between the spines 16 and 18 is the same as that of its broad wall 33.
Preferably each of the convex surfaces 24 and 26 and the concave surfaces 30 and 32 is approximately spherical. The spacing between the convex surfaces 24 and 26 is slightly smaller than the distance between the concave surfaces 30 and 32 to provide an interference fit.
The radii of the convex surfaces 24 and 26 are somewhat ' 1133~9 ;~ smaller than the radii Or the concave surfaces 30 and 32 to insure good alignment. The mating of these surfaces gives a lateral stability and helps to rigidify the base 12 against any forces tending to flex the base in the area between the spines 16 and 18.
The cover 14 has a pair of holes 34 and 36 which serve as journals for the hinge pins 20 and 22, respectively. As in the patented boxes discussed above, !" these are conveniently formed by drilling through the first Or the double walls of the cover 14 to reach the space between the walls which is of adequate depth to , accept the hinge pins.
For convenience of molding the base 12, only the rearward portions of the convex surfaces 24 and 26 of the spines 16 and 18 are spherical. Their forward portions (closest to the interior of the box) are cut back to a minor extent (too minor to be shown in the drawing) to enhance the strength Or the molding tool at its parting line.
The novel box is equipped with a latch 40 of the type disclosed in U. S. Patent No. 4,153,178, and lts base 12 is formed with ribs 42 as in No. 4,153,178 which fit into grooves 44 of the cover 14. One edge 46 of each of the base 12 and cover 14 is formed with abutments 48 which serve as legs to enable the box to stand on edge.
The opposite edges of both the base 12 and cover 14 are recessed at 50 outside of the rib 42 and groove 44 so that one's finger can easily lift the cover from the base. The base has a pair of hubs 52 for holding the reels of a videocassette.
A preferred plastic for the novel box is high-density polyethylene which is commonly used for blow-molding, is of low cost and has good toughness, resistance to degradation and shape retention while having adequate flexibility for easy assembly of the box.
Claims (4)
THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A two-part, double-wall plastic box having a hinge comprising upstanding spine means extending along the rear of one part of the box and terminating in a pair of hinge pins, each fitting into a hole in the other part of the box, characterized by the feature that:
the spine means comprises at least two spaced spines, the spine-carrying part of the box is of substantially normal double-wall thickness at the spacing between the spines, a projection from said other part fits into the spacing between said spines, and the adjacent ends of the projection and spines have mating convex and concave sur-faces which provide additional hinge points and lateral stability.
the spine means comprises at least two spaced spines, the spine-carrying part of the box is of substantially normal double-wall thickness at the spacing between the spines, a projection from said other part fits into the spacing between said spines, and the adjacent ends of the projection and spines have mating convex and concave sur-faces which provide additional hinge points and lateral stability.
2. A plastic box as defined in claim 1 wherein there is an interference fit between the mating surfaces of the projection and spines.
3. A plastic box as defined in claim 1 wherein each of said convex and concave surfaces is approximately spherical.
4. A plastic box as defined in claim 3 wherein the convex surfaces are of smaller radii than the concave surfaces.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/047,346 US4211337A (en) | 1979-06-08 | 1979-06-08 | Multiple-point hinge for double-wall plastic box |
| US47,346 | 1979-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1133859A true CA1133859A (en) | 1982-10-19 |
Family
ID=21948447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA351,301A Expired CA1133859A (en) | 1979-06-08 | 1980-05-06 | Multiple-point hinge for double-wall plastic box |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4211337A (en) |
| JP (1) | JPS6217402Y2 (en) |
| AU (1) | AU535805B2 (en) |
| CA (1) | CA1133859A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4663803A (en) * | 1986-04-15 | 1987-05-12 | Menasha Corporation | Security hinge joint with separate hinge pin |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5733316U (en) * | 1980-08-04 | 1982-02-22 | ||
| US4291801A (en) * | 1980-10-03 | 1981-09-29 | Plastic Reel Corporation Of America | Video cassette storage container |
| DE3046118A1 (en) * | 1980-12-06 | 1982-07-22 | Kienzle Apparate Gmbh, 7730 Villingen-Schwenningen | TRAINING OF A HOUSING, ESP. FOR TACHOGRAPHERS, AND A SWIVELING LID ARRANGED TO THE HOUSING |
| US4586603A (en) * | 1981-11-19 | 1986-05-06 | Innovative Concepts, Inc. | Disk storage container and display device |
| JPS6038535Y2 (en) * | 1981-12-15 | 1985-11-18 | ソニー株式会社 | cassette case |
| US4615464A (en) * | 1983-12-21 | 1986-10-07 | Custom-Pak, Incorporated | Molded container case with hinge and method for making same |
| FR2563505B3 (en) * | 1984-04-27 | 1986-04-11 | Basf Ag | PACKAGING CONTAINER FOR A TAPE REEL, ESPECIALLY IN A TAPE CASSETTE |
| DE3767541D1 (en) * | 1986-04-22 | 1991-02-28 | Agfa Gevaert Nv | INJECTION MOLDED MICROFILM CONTAINERS. |
| US5125511A (en) * | 1986-05-06 | 1992-06-30 | Minnesota Mining And Manufacturing Company | Blow molded box |
| FR2604979B1 (en) * | 1986-10-01 | 1988-12-09 | Jouret Vincent Sa | IMPROVEMENTS IN BOXES OF THE TYPE WITH THERMOFORMED HOUSING AND ARTICULATED LID |
| FR2610181B1 (en) * | 1987-02-04 | 1989-05-19 | Saint Laurent Parfums Yves | INVISIBLE ARTICULATION BOX |
| US4810829A (en) * | 1987-12-11 | 1989-03-07 | Minnesota Mining And Manufacturing Co. | Cable closure |
| US4815600A (en) * | 1988-01-06 | 1989-03-28 | Minnesota Mining And Manufacturing Company | Storage container for diskettes |
| US4836374A (en) * | 1988-09-02 | 1989-06-06 | The Stanley Works | Fitted tool case |
| US4895253A (en) * | 1989-05-10 | 1990-01-23 | Ivan Yaeger | Locking device for restricting the viewing of video cassettes |
| US4964526A (en) * | 1989-08-01 | 1990-10-23 | Stephens Chandra D | Case for feminine hygiene products |
| US4974740A (en) * | 1990-03-05 | 1990-12-04 | Minnesota Mining And Manufacturing Company | Triple-action latch for a shipping case |
| JPH09161446A (en) * | 1995-12-07 | 1997-06-20 | Fuji Photo Film Co Ltd | Magnetic tape cartridge housing body |
| GB2342895B (en) * | 1998-07-24 | 2002-04-03 | Ingersoll Rand Co | Enclosure for a portable machine |
| US6119857A (en) * | 1998-11-25 | 2000-09-19 | Stumpff; David | Hinge |
| US6065626A (en) * | 1998-12-08 | 2000-05-23 | Huang; Chien Jung | Box opening/closing structure |
| US7257971B2 (en) | 2000-07-31 | 2007-08-21 | Autronics Plastics Inc. | Case with internal lock |
| US6561347B1 (en) | 1999-11-02 | 2003-05-13 | Autronic Plastics, Inc. | Case and lock with improved disc protection |
| US6269966B1 (en) * | 2000-10-04 | 2001-08-07 | John D. Brush & Co., Inc. | Blow-molded snapped-together hinge for double-walled body and lid |
| US8054194B2 (en) | 2003-02-10 | 2011-11-08 | Autronic Plastics, Inc. | System and method for verifying a security status of a lockable container |
| WO2004088071A2 (en) | 2003-03-26 | 2004-10-14 | Autronic Plastics, Inc. | Benefit denial systems for securing an asset within a container and methods of use |
| DE202004015081U1 (en) * | 2004-09-27 | 2006-02-09 | Bekuplast Kunststoffverarbeitungs-Gmbh | Folding box with centering cams |
| EP2389828A3 (en) * | 2010-05-28 | 2012-07-18 | Plasbox, S.L. | Vertical container box made out of blown up plastic material |
| USD721231S1 (en) | 2013-08-20 | 2015-01-20 | Milwaukee Electric Tool Corporation | Accessory case |
| CN103569480B (en) * | 2013-11-13 | 2016-03-02 | 进业（天津）轻工制品有限公司 | The box that turn over 360 deg is shown and method of work thereof |
| US9694489B2 (en) | 2014-08-25 | 2017-07-04 | Milwaukee Electric Tool Corporation | Tool bit case with modular components |
| USD740559S1 (en) | 2014-08-25 | 2015-10-13 | Milwaukee Electric Tool Corporation | Accessory case |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4005800A (en) * | 1972-09-13 | 1977-02-01 | The Plastic Forming Company, Inc. | Plastic container hinge and latch |
| US4029234A (en) * | 1976-09-10 | 1977-06-14 | The Triangle Corporation | Plastic hinge construction |
| US4078657A (en) * | 1977-02-22 | 1978-03-14 | Plastic Forming Company, Inc. | Tape cassette case |
| US4153178A (en) * | 1978-04-14 | 1979-05-08 | Minnesota Mining And Manufacturing Company | Double-acting latch for hinged plastic box |
-
1979
- 1979-06-08 US US06/047,346 patent/US4211337A/en not_active Expired - Lifetime
-
1980
- 1980-05-06 CA CA351,301A patent/CA1133859A/en not_active Expired
- 1980-06-05 JP JP1980077418U patent/JPS6217402Y2/ja not_active Expired
- 1980-06-06 AU AU59105/80A patent/AU535805B2/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4663803A (en) * | 1986-04-15 | 1987-05-12 | Menasha Corporation | Security hinge joint with separate hinge pin |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6217402Y2 (en) | 1987-05-06 |
| AU5910580A (en) | 1980-12-11 |
| AU535805B2 (en) | 1984-04-05 |
| US4211337A (en) | 1980-07-08 |
| JPS55179118U (en) | 1980-12-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |