FR2317622A1 - End cap and sleeve for plastics shotgun cartridge - has holes through end cap aiding injection moulding integrally with sleeve - Google Patents
End cap and sleeve for plastics shotgun cartridge - has holes through end cap aiding injection moulding integrally with sleeveInfo
- Publication number
- FR2317622A1 FR2317622A1 FR7521773A FR7521773A FR2317622A1 FR 2317622 A1 FR2317622 A1 FR 2317622A1 FR 7521773 A FR7521773 A FR 7521773A FR 7521773 A FR7521773 A FR 7521773A FR 2317622 A1 FR2317622 A1 FR 2317622A1
- Authority
- FR
- France
- Prior art keywords
- end cap
- sleeve
- injection moulding
- plastics
- holes
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2681—Moulds with rotatable mould parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1615—The materials being injected at different moulding stations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
- F42B5/26—Cartridge cases
- F42B5/30—Cartridge cases of plastics, i.e. the cartridge-case tube is of plastics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
- F42B5/26—Cartridge cases
- F42B5/30—Cartridge cases of plastics, i.e. the cartridge-case tube is of plastics
- F42B5/307—Cartridge cases of plastics, i.e. the cartridge-case tube is of plastics formed by assembling several elements
- F42B5/313—Cartridge cases of plastics, i.e. the cartridge-case tube is of plastics formed by assembling several elements all elements made of plastics
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
A plastic shotgun cartridge is made by injection moulding, the end cap first being moulded, then the cylindrical sleeve being injection moulded onto it. The end cap has an inwardly projecting truncated conical portion with a tapered ring shaped chamber between its outside face and the sloping inside face of the end cap, into which is injected the material forming the end of the sleeve. Openings communicate between this chamber and the outside face of the end cap, so that material can travel through them during the injection of the sleeve material, to key onto the end face. The truncated conical portion may be hollow, with a projection for retaining the percussion charge.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7521773A FR2317622A1 (en) | 1975-07-10 | 1975-07-10 | End cap and sleeve for plastics shotgun cartridge - has holes through end cap aiding injection moulding integrally with sleeve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7521773A FR2317622A1 (en) | 1975-07-10 | 1975-07-10 | End cap and sleeve for plastics shotgun cartridge - has holes through end cap aiding injection moulding integrally with sleeve |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2317622A1 true FR2317622A1 (en) | 1977-02-04 |
FR2317622B1 FR2317622B1 (en) | 1977-12-16 |
Family
ID=9157799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7521773A Granted FR2317622A1 (en) | 1975-07-10 | 1975-07-10 | End cap and sleeve for plastics shotgun cartridge - has holes through end cap aiding injection moulding integrally with sleeve |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2317622A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4481885A (en) * | 1980-02-01 | 1984-11-13 | Federal Cartridge Corporation | One-piece shotshell |
US4509428A (en) * | 1981-01-16 | 1985-04-09 | Federal Cartridge Corporation | Shotshell casing with partially telescoped basewad |
EP0300112A1 (en) * | 1986-01-29 | 1989-01-25 | Danvag A/S | All plastic cartridge case and method and machine for its manufacture |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12066279B2 (en) | 2022-05-06 | 2024-08-20 | Innovative Performance Applications, Llc | Polymer ammunition casing |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB840041A (en) * | 1953-01-30 | 1960-07-06 | Jean Michel Lefebvre | A method of and apparatus for the manufacture of cartridge cases for firearms |
US3099958A (en) * | 1960-01-12 | 1963-08-06 | Remington Arms Co Inc | Firearm cartridges |
FR2077576A1 (en) * | 1969-12-29 | 1971-10-29 | Katashi Aoki | |
FR2168171A2 (en) * | 1972-01-19 | 1973-08-31 | Lefebvre Pierre | Plastic cartridge case - of thermoplastic resin eg low pressure polyethylene |
-
1975
- 1975-07-10 FR FR7521773A patent/FR2317622A1/en active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB840041A (en) * | 1953-01-30 | 1960-07-06 | Jean Michel Lefebvre | A method of and apparatus for the manufacture of cartridge cases for firearms |
US3099958A (en) * | 1960-01-12 | 1963-08-06 | Remington Arms Co Inc | Firearm cartridges |
FR2077576A1 (en) * | 1969-12-29 | 1971-10-29 | Katashi Aoki | |
FR2168171A2 (en) * | 1972-01-19 | 1973-08-31 | Lefebvre Pierre | Plastic cartridge case - of thermoplastic resin eg low pressure polyethylene |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4481885A (en) * | 1980-02-01 | 1984-11-13 | Federal Cartridge Corporation | One-piece shotshell |
US4509428A (en) * | 1981-01-16 | 1985-04-09 | Federal Cartridge Corporation | Shotshell casing with partially telescoped basewad |
EP0300112A1 (en) * | 1986-01-29 | 1989-01-25 | Danvag A/S | All plastic cartridge case and method and machine for its manufacture |
Also Published As
Publication number | Publication date |
---|---|
FR2317622B1 (en) | 1977-12-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |