EP0368828A1 - Accuracy cartridge plastic box - Google Patents
Accuracy cartridge plastic box Download PDFInfo
- Publication number
- EP0368828A1 EP0368828A1 EP89870005A EP89870005A EP0368828A1 EP 0368828 A1 EP0368828 A1 EP 0368828A1 EP 89870005 A EP89870005 A EP 89870005A EP 89870005 A EP89870005 A EP 89870005A EP 0368828 A1 EP0368828 A1 EP 0368828A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- box
- binding edge
- cover
- erized
- charact
- 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.)
- Withdrawn
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
- B65D43/14—Non-removable lids or covers
- B65D43/16—Non-removable lids or covers hinged for upward or downward movement
- B65D43/162—Non-removable lids or covers hinged for upward or downward movement the container, the lid and the hinge being made of one piece
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B39/00—Packaging or storage of ammunition or explosive charges; Safety features thereof; Cartridge belts or bags
- F42B39/02—Cartridge bags; Bandoleers
-
- 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
- B65D2251/105—The closure having a part fitting over the rim of the container or spout and retained by snapping over integral beads or projections
Definitions
- the invention relates to a plastic box intended for containing cartridges. Said box comprising a body, a cover and a binding edge.
- Boxes made of polymeric material of the type described here above are known.
- the known boxes have many disadvantages. Among others, they are not transparent, and breakable, heavy and not of one piece construction. There is no binding edge between the cover and the body.
- the present invention has for object a box having a binding edge made of a polymeric material which can be folded a great number of times without destruction.
- the binding edge must have a width greater than 7mm and must be made of a homopolymer for obtaining a binding edge which can be repeatly folded.
- the box according to the invention which is intended to contain cartridges is essentially characterized in tht said body (2) is bound to cover (3) by a binding edge (4).
- Said body (2), cover (3) and binding edge (4) are made of a homopolymer and in that said binding edge (4) has a width greater that 7 mm.
- said binding edge (4) is provided with a groove (5).
- Said groove (5) being parallel to edges (6-7) of the body (2) and/or the cover (3).
- said binding edge (4) is provided with a groove (5) on the face opposed to the face which is folded on itself when the cover (3) covers the body (2).
- the homopolymer is a polypropylene and having advantageously, a melting temperature comprised between 220°C and 300°C.
- the polypropylene is of a high surgical and food quality.
- figure 1. is a upper view of a box according to the invention
- figure 2. is a side view of the box shown in figure 1.
- the box (1) shown in figure 1. is made of homopolymer such as HOECHST PPU 1080S1 sold by HOECHST Germany and its subsidiaries.
- This box (1) which is intended for containing cartridges comprises a body (2) in which cartridges may be placed, a cover (3) and a binding edge (4) binding the body (2) to said cover (3).
- the binding edge (4) is made of said hompolymer and has a rectanglar form, the width of which is greater than 7 mm.
- said binding edge (4) is provided with a groove (5) which is parallel to an edge (6) of the body (2) and to an edge (7) of the cover (3).
- binding edge (4) allows to close or open the box (1) a great number of times without any destruction.
- the body (2) is provided with internal walls (8), which creates a series of spaces in which the cartridges may be at least partially inserted.
- the selected homopolymer also allows to obtain a transparent box.
- the box (1) is advantageously made in one piece by injection moulding so that the internal walls (8) are correctly bound to the side walls (9) and to the lower face (11) of the body (2).
- the thickness of the binding edge (4) is advantageously of about 1,2mm, however, it's thickness in the neighborhood of the groove (5) is preferably of about 0,5mm.
- the binding edge (4) made of a homopolymer may not be folded a great number of times without destruction.
- the process for manufacturing a box (1) according to the invention comprises the step of injecting a homopolymer in a mould.
- the binding edge (4) has better resistant properties i.e. the binding edge (4) could be folded without any destruction.
Abstract
Box (1) intended for containing cartridges. Said box (1), comprising of a body (2) and a cover (3), characterized in that said body (2) is bound to cover (3) by a binding edge (4). Said body (2), cover (3) and binding edge (4) are made of a homopolymer and in that said binding edge (4) has a width greater that 7mm.
Description
- The invention relates to a plastic box intended for containing cartridges. Said box comprising a body, a cover and a binding edge.
- Boxes made of polymeric material of the type described here above are known. The known boxes have many disadvantages. Among others, they are not transparent, and breakable, heavy and not of one piece construction. There is no binding edge between the cover and the body.
- The present invention has for object a box having a binding edge made of a polymeric material which can be folded a great number of times without destruction.
- Applicant has found that the binding edge must have a width greater than 7mm and must be made of a homopolymer for obtaining a binding edge which can be repeatly folded.
- The box according to the invention which is intended to contain cartridges is essentially characterized in tht said body (2) is bound to cover (3) by a binding edge (4). Said body (2), cover (3) and binding edge (4) are made of a homopolymer and in that said binding edge (4) has a width greater that 7 mm.
- According to another characteristic of the box according to the invention, said binding edge (4) is provided with a groove (5). Said groove (5) being parallel to edges (6-7) of the body (2) and/or the cover (3).
- According to a further characteristic of the box, said binding edge (4) is provided with a groove (5) on the face opposed to the face which is folded on itself when the cover (3) covers the body (2).
- Another characteristic of the box, the homopolymer is a polypropylene and having advantageously, a melting temperature comprised between 220°C and 300°C. The polypropylene is of a high surgical and food quality.
- Other details of the box according to the invention will be given in the following description in which reference is made to the attached drawings. In these drawings, figure 1. is a upper view of a box according to the invention, figure 2. is a side view of the box shown in figure 1.
- In these figures, the same reference designates similar or identical elements.
- The box (1) shown in figure 1. is made of homopolymer such as HOECHST PPU 1080S1 sold by HOECHST Germany and its subsidiaries.
- This box (1) which is intended for containing cartridges comprises a body (2) in which cartridges may be placed, a cover (3) and a binding edge (4) binding the body (2) to said cover (3).
- The binding edge (4) is made of said hompolymer and has a rectanglar form, the width of which is greater than 7 mm.
- Advantageously, said binding edge (4) is provided with a groove (5) which is parallel to an edge (6) of the body (2) and to an edge (7) of the cover (3).
- Such binding edge (4) allows to close or open the box (1) a great number of times without any destruction.
- The selection of said homopolymer allows the manufacture of a very thin box which has very good properties, i.e. would not be destroyed when dropped from a height of 100 cm, even if these boxes contain cartridges.
- The body (2) is provided with internal walls (8), which creates a series of spaces in which the cartridges may be at least partially inserted.
- The man skilled in the art was not able to predict that by using a specific homopolymer, it was possible to obtain a box (1) having side walls (9) with a thickness of less than 1,8mm and internal walls (8) with a thickness of less that 1,3mm, which would have less chance to be destroyed when dropped.
- The selected homopolymer also allows to obtain a transparent box.
- The box (1), according to the invention, is advantageously made in one piece by injection moulding so that the internal walls (8) are correctly bound to the side walls (9) and to the lower face (11) of the body (2).
- The man skilled in the art was not able to predict that a specific polymer could be used for making a rigid box as well as a flexible binding edge (4).
- The thickness of the binding edge (4) is advantageously of about 1,2mm, however, it's thickness in the neighborhood of the groove (5) is preferably of about 0,5mm.
- Applicant has observed that, when the width of the binding edge (4) was smaller that 7mm and especially when no groove (5) was present at said binding edge (4), the binding edge (4) made of a homopolymer may not be folded a great number of times without destruction.
- The process for manufacturing a box (1) according to the invention, comprises the step of injecting a homopolymer in a mould.
- The step of extracting the injected box (1) of said mould and the step of folding the cover (3) so that the body (2) of the box (1) is covered just after the extraction of the injected box of the mould so that the binding edge (4), adapts a flexible characteristics which limits the thickness and rigidity of the clasping device (10).
- Applicant has observed that, when such a folding is made just after the extraction of the mould, the binding edge (4) has better resistant properties i.e. the binding edge (4) could be folded without any destruction.
Claims (8)
1. Box (1) intended for containing cartridges. Said box (1), comprising of a body (2), a cover (3), is characterized in that said body (2) is bound to cover (3) by a binding edge (4). Said body (2), cover (3) and binding edge (4) are made of a homopolymer and in that said binding edge (4), has a width greater that 7mm.
2. Box (1), according to claim1, is characterized in that said binding edge (4) is provided with a groove (5). Said groove (5) being parallel to edges (6,7) of the body (2), and/or of the cover (3).
3. Box (1), according to claim 2, is characterized in that said binding edge (4) is provided with a groove (5) on the face opposed to the face which is folded on itself when the cover (3) covers the body (2).
4. Box (1), according to any one of the preceding claims, is characterized in that the homopolymer is a polypropylene.
5. Box (1), according to claim 4, is characterized in that said polypropylene has melting temperature between 220°C and 300°C..
6. Box (1), according to claim 4, is characterized in that said polypropylene has a molecular weight greater that 0,90g/cm³.
7. Process for manufacturing a box (1), according to any one of the preceding claims, in which a polymer is injected in a mould and in which the injected box is extracted of said mould, is characterized in that, just after the extraction of the injected box, the binding edge (4) of the box (1) is folded so as to close the body (2) by means of the cover (3) and the clasping device (10), so that the binding edge (4) adapts flexible characteristics.
8. Process according to claim 7, is characterized in that the injection pressure has to be of at lest 1000 bars.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP89870005A EP0368828A1 (en) | 1989-01-09 | 1989-01-09 | Accuracy cartridge plastic box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP89870005A EP0368828A1 (en) | 1989-01-09 | 1989-01-09 | Accuracy cartridge plastic box |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0368828A1 true EP0368828A1 (en) | 1990-05-16 |
Family
ID=8203277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89870005A Withdrawn EP0368828A1 (en) | 1989-01-09 | 1989-01-09 | Accuracy cartridge plastic box |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0368828A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2275648A (en) * | 1993-03-05 | 1994-09-07 | Gd Spa | Forming a rigid packet by injection moulding |
WO1999014134A1 (en) * | 1997-09-16 | 1999-03-25 | Rocialle Medical Limited | Closable container comprising at least three trays |
GB2355256A (en) * | 1999-10-14 | 2001-04-18 | Dos Santos Jo O Manuel Campos | Boxes for storing photos |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3759428A (en) * | 1971-06-14 | 1973-09-18 | Sheridan Products Inc | Dispenser type box |
US3789531A (en) * | 1972-03-13 | 1974-02-05 | G Kersten | Methods and devices for packing and loading ammunition |
FR2244674A1 (en) * | 1973-09-26 | 1975-04-18 | Ethyl Dev Corp | |
US3923152A (en) * | 1974-06-21 | 1975-12-02 | Mtm Molded Prod Co | Flat pack for revolver cartridges |
US4467947A (en) * | 1983-08-29 | 1984-08-28 | Minneman William J | Container for cylindrical objects |
US4518092A (en) * | 1984-01-18 | 1985-05-21 | Contreras Sr Joseph P | Molded container with living hinges |
US4681223A (en) * | 1986-02-04 | 1987-07-21 | The Stanley Works | Knife blade package and container therefor |
-
1989
- 1989-01-09 EP EP89870005A patent/EP0368828A1/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3759428A (en) * | 1971-06-14 | 1973-09-18 | Sheridan Products Inc | Dispenser type box |
US3789531A (en) * | 1972-03-13 | 1974-02-05 | G Kersten | Methods and devices for packing and loading ammunition |
FR2244674A1 (en) * | 1973-09-26 | 1975-04-18 | Ethyl Dev Corp | |
US3923152A (en) * | 1974-06-21 | 1975-12-02 | Mtm Molded Prod Co | Flat pack for revolver cartridges |
US4467947A (en) * | 1983-08-29 | 1984-08-28 | Minneman William J | Container for cylindrical objects |
US4518092A (en) * | 1984-01-18 | 1985-05-21 | Contreras Sr Joseph P | Molded container with living hinges |
US4681223A (en) * | 1986-02-04 | 1987-07-21 | The Stanley Works | Knife blade package and container therefor |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2275648A (en) * | 1993-03-05 | 1994-09-07 | Gd Spa | Forming a rigid packet by injection moulding |
US5447673A (en) * | 1993-03-05 | 1995-09-05 | G. D S.P.A. | Method of fashioning a rigid packet with a hinged lid to contain elongated elements, in particular cigarettes |
GB2275648B (en) * | 1993-03-05 | 1997-05-21 | Gd Spa | A method of fashioning a rigid packet with a hinged lid to contain elongated elements in particular cigarettes |
WO1999014134A1 (en) * | 1997-09-16 | 1999-03-25 | Rocialle Medical Limited | Closable container comprising at least three trays |
GB2355256A (en) * | 1999-10-14 | 2001-04-18 | Dos Santos Jo O Manuel Campos | Boxes for storing photos |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE |
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RBV | Designated contracting states (corrected) |
Designated state(s): BE FR GB IT NL |
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REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 19901117 |