CA2013981A1 - A method of fabricating firearm cartridge cases, and the cartridge case obtained by implementation of such a method - Google Patents

A method of fabricating firearm cartridge cases, and the cartridge case obtained by implementation of such a method

Info

Publication number
CA2013981A1
CA2013981A1 CA2013981A CA2013981A CA2013981A1 CA 2013981 A1 CA2013981 A1 CA 2013981A1 CA 2013981 A CA2013981 A CA 2013981A CA 2013981 A CA2013981 A CA 2013981A CA 2013981 A1 CA2013981 A1 CA 2013981A1
Authority
CA
Canada
Prior art keywords
tube
base
strengthening piece
flange
fabricating
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
Application number
CA2013981A
Other languages
French (fr)
Other versions
CA2013981C (en
Inventor
Jensen Mette
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.)
Gordon Consulting Engineering & Marketing Ltd
Original Assignee
Gordon Consulting Engineering & Marketing 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 Gordon Consulting Engineering & Marketing Ltd filed Critical Gordon Consulting Engineering & Marketing Ltd
Publication of CA2013981A1 publication Critical patent/CA2013981A1/en
Application granted granted Critical
Publication of CA2013981C publication Critical patent/CA2013981C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F42B5/26—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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Glass Compositions (AREA)
  • Saccharide Compounds (AREA)
  • Prostheses (AREA)
  • Powder Metallurgy (AREA)
  • Automatic Tape Cassette Changers (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Dry Development In Electrophotography (AREA)
  • Radiation-Therapy Devices (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Fire-Extinguishing Compositions (AREA)

Abstract

a cartridge case is assembled from three pieces, namely a cylindrical tube, a strengthening piece insertable in the tube, and a base ensheathing the end of the tube occupied by the strengthening piece, utilizing a strengthening piece fashioned in a substantially non-deformable material with a ready-made radially projecting flange; the base is open at both ends, and formed with stretches of dissimilar diameter interconnected by a flared reduction the internal surface of which creates a seating by which the flange can be accommodated together with one end of the tube, Having inserted the tube through the smaller diameter of the base a short way into the larger diameter stretch, the strengthening piece is inserted into the base from the opposite direction, located in the tube, and driven forward such that the end of the tube is splayed and sandwiched between the flange and the seating, whereupon it remains only to crimp the excess part of the larger diameter stretch inwards to lock the strengthening piece in place.
CA002013981A 1989-12-22 1990-04-05 A method of fabricating firearm cartridge cases, and the cartridge case obtained by implementation of such a method Expired - Fee Related CA2013981C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT3784A/89 1989-12-22
IT3784A IT1235986B (en) 1989-12-22 1989-12-22 METHOD FOR THE REALIZATION OF BOSSOLI FOR FIREARMS AND BOSSOLO SO OBTAINED

Publications (2)

Publication Number Publication Date
CA2013981A1 true CA2013981A1 (en) 1991-06-22
CA2013981C CA2013981C (en) 1999-08-24

Family

ID=11111702

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002013981A Expired - Fee Related CA2013981C (en) 1989-12-22 1990-04-05 A method of fabricating firearm cartridge cases, and the cartridge case obtained by implementation of such a method

Country Status (11)

Country Link
EP (1) EP0435830B1 (en)
CN (1) CN1023512C (en)
AT (1) ATE99044T1 (en)
AU (1) AU635990B2 (en)
BR (1) BR9006561A (en)
CA (1) CA2013981C (en)
DE (1) DE69005432T2 (en)
ES (1) ES2047306T3 (en)
IT (1) IT1235986B (en)
RU (1) RU2069302C1 (en)
YU (1) YU241390A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000037877A1 (en) * 1998-12-21 2000-06-29 Olin Corporation Shotshell basewad

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5710391A (en) * 1993-10-12 1998-01-20 Chetcuti; Francis Recoil reducer wad for ammunition
EP0975929B1 (en) * 1997-04-21 2001-10-24 Tomscot HB Shotgun cartridge case-sleeve and a cartridge made therefrom
FR2926133B1 (en) * 2008-01-09 2010-01-22 France Cheddite METHOD FOR MANUFACTURING CYLINDERS FOR CARTRIDGE SLEEVES AND COMPOSITION.
DE102008034660B4 (en) * 2008-07-25 2012-03-08 Rheinmetall Waffe Munition Gmbh cartridge ammunition
US12066279B2 (en) 2022-05-06 2024-08-20 Innovative Performance Applications, Llc Polymer ammunition casing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191202430A (en) * 1912-01-26 1912-12-05 James Yate Johnson Improvements in Aluminium Catridge Cases.
FR1430385A (en) * 1965-01-22 1966-03-04 Gevelot Sa Process for manufacturing cartridges, and cartridges obtained by this process
GB1152193A (en) * 1965-07-23 1969-05-14 Fiocchi Spa Giulio Sporting Cartridge Case
DE1578223A1 (en) * 1966-09-21 1971-11-25 Fiocchi Spa Giulio Cartridge case for shotguns
FR1553453A (en) * 1967-02-27 1969-01-10
US3565008A (en) * 1968-06-26 1971-02-23 Olin Mathieson Plastic shotshell and method
US3675576A (en) * 1970-02-18 1972-07-11 Colorado Business Dev Corp Reloadable two-piece shotgun cartridge
US4867066A (en) * 1988-10-21 1989-09-19 Olin Corporation Shotshell casing with reduced volume basewad and increased interior volume for larger shot loads

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000037877A1 (en) * 1998-12-21 2000-06-29 Olin Corporation Shotshell basewad
US6164209A (en) * 1998-12-21 2000-12-26 Olin Corporation Shotshell basewad
AU751599B2 (en) * 1998-12-21 2002-08-22 Olin Corporation Shotshell basewad

Also Published As

Publication number Publication date
EP0435830B1 (en) 1993-12-22
CN1054131A (en) 1991-08-28
AU6825690A (en) 1991-06-27
CN1023512C (en) 1994-01-12
ATE99044T1 (en) 1994-01-15
RU2069302C1 (en) 1996-11-20
YU241390A (en) 1994-11-15
IT1235986B (en) 1992-12-15
AU635990B2 (en) 1993-04-08
ES2047306T3 (en) 1994-02-16
EP0435830A1 (en) 1991-07-03
CA2013981C (en) 1999-08-24
BR9006561A (en) 1991-10-01
IT8903784A0 (en) 1989-12-22
DE69005432D1 (en) 1994-02-03
DE69005432T2 (en) 1994-04-14

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed