EP2552619B1 - Cartridge case and forming method for its manufacture - Google Patents

Cartridge case and forming method for its manufacture Download PDF

Info

Publication number
EP2552619B1
EP2552619B1 EP11726235.2A EP11726235A EP2552619B1 EP 2552619 B1 EP2552619 B1 EP 2552619B1 EP 11726235 A EP11726235 A EP 11726235A EP 2552619 B1 EP2552619 B1 EP 2552619B1
Authority
EP
European Patent Office
Prior art keywords
pipe
cartridge case
manufacturing
case
manufacture
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.)
Not-in-force
Application number
EP11726235.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2552619A2 (en
Inventor
Ivan Kralj
Stanislav Jun. Grubar
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.)
Arex Proizvodnja Orodij Naprav In Storitve d o o Sentjernej
Bos Grubar Kovinarska Proizvodnja d o o
Original Assignee
Arex Proizvodnja Orodij Naprav In Storitve d o o Sentjernej
Bos Grubar Kovinarska Proizvodnja d o o
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 Arex Proizvodnja Orodij Naprav In Storitve d o o Sentjernej, Bos Grubar Kovinarska Proizvodnja d o o filed Critical Arex Proizvodnja Orodij Naprav In Storitve d o o Sentjernej
Publication of EP2552619A2 publication Critical patent/EP2552619A2/en
Application granted granted Critical
Publication of EP2552619B1 publication Critical patent/EP2552619B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/54—Making hollow objects characterised by the use of the objects cartridge cases, e.g. for ammunition, for letter carriers in pneumatic-tube plants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/28—Deep-drawing of cylindrical articles using consecutive dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/04—Shaping thin-walled hollow articles, e.g. cartridges
    • 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

Definitions

  • the method for manufacturing a body of a cartridge case with the process of cold forming of seamed or seamless pipes is first based on the formation of the specific shape of the pipe B.
  • a passage A from the larger diameter of the pipe B to a smaller diameter is produced by means of a first-stage tool 1.
  • a second-stage tool 2 and a pin 3 are used to produce the final shape of the passage A at one end of the pipe B.
  • a further tool 4 and a pin 5 are used to deform the basic shape of the pipe b into a cone shape, wherein a pin 6 is used to calibrate the opening at the passage A of the pipe B.
  • both final openings are levelled by means of turning.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Forging (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Metal Extraction Processes (AREA)
  • Tubes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
EP11726235.2A 2010-03-30 2011-03-23 Cartridge case and forming method for its manufacture Not-in-force EP2552619B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SI201000111A SI23326B (sl) 2010-03-30 2010-03-30 Tulec naboja in postopek za njegovo izdelavo s preoblikovanjem cevi
PCT/SI2011/000016 WO2011123073A2 (en) 2010-03-30 2011-03-23 Cartridge case and method for manufacturing thereof by way of pipe deformation

Publications (2)

Publication Number Publication Date
EP2552619A2 EP2552619A2 (en) 2013-02-06
EP2552619B1 true EP2552619B1 (en) 2014-01-15

Family

ID=44504357

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11726235.2A Not-in-force EP2552619B1 (en) 2010-03-30 2011-03-23 Cartridge case and forming method for its manufacture

Country Status (3)

Country Link
EP (1) EP2552619B1 (sl)
SI (1) SI23326B (sl)
WO (1) WO2011123073A2 (sl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018037352A1 (fr) * 2016-08-23 2018-03-01 Albert Gaide Procédé de fabrication de douilles multi composants

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB552441A (en) * 1940-05-06 1943-04-08 Harvey Overholt Yoder Improvements in the manufacture of cartridges
US2349840A (en) * 1942-07-09 1944-05-30 J V Pilcher Mfg Co Method of making cartridge cases
US3408718A (en) * 1966-06-16 1968-11-05 Trw Inc Method of manufacturing cartridge cases and article of manufacture
NL8006992A (nl) * 1980-12-22 1982-07-16 Petrus Hendrikus Van Baal Werkwijze en inrichting voor het door koud vervormen vervaardigen van buisvormige, aan een einde althans in hoofdzaak gesloten houders uit pijpmateriaal.
DE3403525A1 (de) * 1984-02-02 1985-08-08 Dynamit Nobel Ag, 5210 Troisdorf Mit einem einsatzstueck abgeschlossene huelse, sowie verfahren und vorrichtung zu ihrer herstellung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018037352A1 (fr) * 2016-08-23 2018-03-01 Albert Gaide Procédé de fabrication de douilles multi composants

Also Published As

Publication number Publication date
WO2011123073A3 (en) 2011-11-17
SI23326A (sl) 2011-09-30
EP2552619A2 (en) 2013-02-06
SI23326B (sl) 2019-06-28
WO2011123073A2 (en) 2011-10-06

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