GB1346828A - Cartridge case member and method of making it - Google Patents

Cartridge case member and method of making it

Info

Publication number
GB1346828A
GB1346828A GB3333171A GB3333171A GB1346828A GB 1346828 A GB1346828 A GB 1346828A GB 3333171 A GB3333171 A GB 3333171A GB 3333171 A GB3333171 A GB 3333171A GB 1346828 A GB1346828 A GB 1346828A
Authority
GB
United Kingdom
Prior art keywords
parts
july
polyvinyl acetal
cartridge case
nitrocellulose
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
Application number
GB3333171A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TECHNICAL RESEARCH DEV I SHOWA
Kanegafuchi Spinning Co Ltd
Original Assignee
TECHNICAL RESEARCH DEV I SHOWA
Kanegafuchi Spinning Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TECHNICAL RESEARCH DEV I SHOWA, Kanegafuchi Spinning Co Ltd filed Critical TECHNICAL RESEARCH DEV I SHOWA
Publication of GB1346828A publication Critical patent/GB1346828A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/18—Caseless ammunition; Cartridges having combustible cases
    • F42B5/181—Caseless ammunition; Cartridges having combustible cases consisting of a combustible casing wall and a metal base; Connectors therefor
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/10—Applying counter-pressure during expanding
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B29C44/5636—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching with the addition of heat
    • 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
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/18—Caseless ammunition; Cartridges having combustible cases
    • F42B5/188—Manufacturing processes therefor
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S102/00—Ammunition and explosives
    • Y10S102/70—Combustilbe cartridge

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Paints Or Removers (AREA)

Abstract

1346828 Coated combustible cartridge cases TECHNICAL RESEARCH & DEVELOPMENT INSTITUTE SHOWA KASEIHIN KK and KANEGAFUCHI BOSEKI KK 15 July 1971 [23 July 1970] 33331/71 Heading B2E [Also in Divisions B5 and F3] A cartridge case made of foamed polyvinyl acetal optionally reinforced with polyvinyl acetal fibres or cloth, polyurethane or polystyrene has the pores on its external surface sealed with a composition comprising: nitrocellulose..2 parts nitrocellulose stabilizer..0.02 parts pigment..1 part thixotropic agent..2 parts solvent (a mixture of xylene, methylisobutylketone and butyl acetate)..50 parts A waterproof coating composition comprising vinylidene cholride and aluminium powder is subsequently applied thereto.
GB3333171A 1970-07-23 1971-07-15 Cartridge case member and method of making it Expired GB1346828A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45063913A JPS4943437B1 (en) 1970-07-23 1970-07-23

Publications (1)

Publication Number Publication Date
GB1346828A true GB1346828A (en) 1974-02-13

Family

ID=13243034

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3333171A Expired GB1346828A (en) 1970-07-23 1971-07-15 Cartridge case member and method of making it

Country Status (7)

Country Link
US (1) US3749023A (en)
JP (1) JPS4943437B1 (en)
BE (1) BE770369A (en)
DE (1) DE2136750B2 (en)
FR (1) FR2103794A5 (en)
GB (1) GB1346828A (en)
SE (1) SE387434B (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895578A (en) * 1971-04-29 1975-07-22 Thiokol Corp Flare with adhesive liner
US3929074A (en) * 1974-04-05 1975-12-30 Us Navy Means for the elimination of a cartridge rim
JPS5124766U (en) * 1974-08-12 1976-02-23
DE2458877C2 (en) * 1974-12-12 1983-02-10 Deutsch-Französisches Forschungsinstitut Saint-Louis, Saint-Louis Combustible protective cover against thermal influences for projectile propellants for automatic weapons
JPS5178155U (en) * 1974-12-16 1976-06-21
JPS51149035U (en) * 1975-05-24 1976-11-29
JPS528649U (en) * 1975-07-02 1977-01-21
JPS5281945U (en) * 1975-12-16 1977-06-18
JPS53954U (en) * 1976-06-22 1978-01-07
DE2641665C2 (en) * 1976-09-16 1984-03-01 Rheinmetall GmbH, 4000 Düsseldorf Propellant case
DE2710451C2 (en) * 1977-03-10 1990-11-15 Rheinmetall GmbH, 4000 Düsseldorf Surface protection coating for ammunition with a combustible case or caseless ammunition
JPS55151165U (en) * 1979-04-17 1980-10-31
DE3365245D1 (en) * 1982-06-08 1986-09-18 Oerlikon Buehrle Ag Cartridge case
FR2602040B1 (en) * 1986-07-23 1988-11-10 Serat IMPROVEMENTS IN OR RELATING TO PROJECTILES WITHOUT RECOIL ARMS OR LAUNCHING SYSTEMS
US5770815A (en) * 1995-08-14 1998-06-23 The United States Of America As Represented By The Secretary Of The Navy Ammunition cartridge with reduced propellant charge
US6600002B2 (en) 2000-05-02 2003-07-29 Alliant Techsystems, Inc. Chain-extended poly(bis-azidomethyloxetane), and combustible cartridge cases and ammunition comprising the same
FR2878025B1 (en) * 2004-11-12 2009-05-15 Giat Ind Sa MUNITION WITHOUT SLEEVE AND METHOD FOR MOUNTING SUCH AMMUNITION
US20120260814A1 (en) * 2008-04-25 2012-10-18 Alliant Techsystems Inc. Advanced Muzzle Loader Ammunition
US8807008B2 (en) 2011-01-14 2014-08-19 Pcp Tactical, Llc Polymer-based machine gun belt links and cartridge casings and manufacturing method
US8763535B2 (en) 2011-01-14 2014-07-01 Pcp Tactical, Llc Narrowing high strength polymer-based cartridge casing for blank and subsonic ammunition
EP2908086B1 (en) 2011-01-14 2017-08-23 PCP Tactical, LLC High strength polymer-based cartridge casing and manufacturing method
US8869702B2 (en) * 2011-01-14 2014-10-28 Pcp Tactical, Llc Variable inside shoulder polymer cartridge
US10197366B2 (en) 2011-01-14 2019-02-05 Pcp Tactical, Llc Polymer-based cartridge casing for blank and subsonic ammunition
US9188412B2 (en) 2011-07-28 2015-11-17 Mac, Llc Polymeric ammunition casing geometry
US9182204B2 (en) 2011-07-28 2015-11-10 Mac, Llc Subsonic ammunition casing
USD715888S1 (en) 2012-01-13 2014-10-21 Pcp Tactical, Llc Radiused insert
EP3094944B1 (en) 2014-01-13 2019-02-27 Mac Llc Polymeric ammunition casing
US9453714B2 (en) 2014-04-04 2016-09-27 Mac, Llc Method for producing subsonic ammunition casing
USD813975S1 (en) * 2015-08-05 2018-03-27 Mark White Low volume subsonic bullet cartridge case
US10809043B2 (en) 2017-04-19 2020-10-20 Pcp Tactical, Llc Cartridge case having a neck with increased thickness
US11448491B2 (en) 2018-07-30 2022-09-20 Pcp Tactical, Llc Polymer cartridge with enhanced snapfit metal insert and thickness ratios

Also Published As

Publication number Publication date
BE770369A (en) 1971-12-01
JPS4943437B1 (en) 1974-11-21
FR2103794A5 (en) 1972-04-14
SE387434B (en) 1976-09-06
DE2136750B2 (en) 1973-08-09
DE2136750C3 (en) 1974-03-21
US3749023A (en) 1973-07-31
DE2136750A1 (en) 1972-05-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee