WO1999024779A1 - Randfeuerpatrone und herstellungsverfahren dafür - Google Patents
Randfeuerpatrone und herstellungsverfahren dafür Download PDFInfo
- Publication number
- WO1999024779A1 WO1999024779A1 PCT/EP1998/007084 EP9807084W WO9924779A1 WO 1999024779 A1 WO1999024779 A1 WO 1999024779A1 EP 9807084 W EP9807084 W EP 9807084W WO 9924779 A1 WO9924779 A1 WO 9924779A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cartridge case
- bulge
- cartridge
- pressed
- rimfire
- Prior art date
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
- F42B5/32—Cartridge cases for rim fire
-
- 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
Definitions
- the invention relates to an edge fire cartridge according to the preamble of claim 1 and a method for producing an edge fire cartridge according to the preamble of claim 6.
- FIG. 1 A rimfire cartridge according to the prior art is shown in FIG. 1.
- a cartridge case 2 has on its base 3 a radial bulge 10, into which an ignition charge 1 is inserted.
- the cartridge case 2 is filled with propellant charge powder 1 1 and the propellant charge container 2 is closed with a projectile 12.
- Known igniter sets 1 contain heavy metals and are very sensitive to impact and friction, ie. H. that the known rimfire cartridges ensure a uniform and complete implementation of the firing charge with a shorter firing time t ⁇ 1 ms even with a low firing pin energy.
- Modern, environmentally friendly igniter kits are less susceptible to friction and impact than the known pollutant-containing igniter kits and, in conjunction with the known rimfire cartridges, can result in very long ignition times or even failure when ignited.
- the invention has for its object to improve a rimfire cartridge according to the preamble of claim 1 and a method for producing an edge fire cartridge according to the preamble of claim 6 such that a complete and uniform implementation of the firing charge with short firing times even with low-pollutant priming charges at low firing pin energy is guaranteed so that ignition failures are eliminated.
- this object is achieved with respect to the rimfire cartridge in that the bottom of the cartridge case is pressed inwards at least in some areas and the opening of the bulge toward the interior of the cartridge case is thereby reduced.
- the bottom is pressed inward in the axial direction in the circumference of the inner diameter of the cartridge case.
- the firing pin energy is thus used exclusively for the deformation of the bulge or, as is also said, for the deformation of the slot in which the primer is located, and does not have to experience any losses due to deformation of the base in the center of the base of the cartridge case. This significantly improves the sensitivity to ignition.
- the bulge is re-pressed after the ignition charge has been introduced, thereby compressing the ignition charge. This improves the implementation of the primer. In certain cases, depending on the choice of primer, this compression or repressing of the bulge can also be dispensed with.
- the bulge is compressed or repressed using a tool with flat pressure surfaces, eg B. a pair of pliers.
- a tool with flat pressure surfaces eg B. a pair of pliers.
- the bulge has a more rectangular cross section.
- An alternative advantageous embodiment is characterized in that the bulge is pressed with a sharp-edged tool, only the region of the bulge adjacent to the cartridge case being pressed. As a result, the bulge has a more teardrop-shaped cross section.
- the object is achieved with regard to the method for producing a rimfire cartridge in that the bottom of the Cartridge case is pressed inwards at least in some areas, thereby reducing the opening of the bulge towards the inside of the cartridge case.
- the bottom of the cartridge case is advantageously pressed inward in the axial direction in the circumference of the inner diameter of the cartridge case.
- the bulge for compression is advantageously re-pressed after the firing charge has been introduced. This is done in one embodiment with a tool with flat pressure surfaces and in another embodiment with a sharp-edged tool, only the region of the bulge adjacent to the cartridge case being pressed in.
- FIG. 2 shows a cartridge case of a rimfire cartridge according to the invention in cross section, FIG. 2b showing an enlarged section of the bulge and
- Fig. 3 shows an alternative cartridge case of a rimfire cartridge according to the invention also with an enlarged section of the bulge in Fig. 3b.
- this rimfire cartridge is identical to the rimfire cartridges according to the invention described below.
- Fig. 2a shows a cartridge case 2 of a rimfire cartridge according to the invention in section.
- a circumferential bulge 10 is attached to the bottom 3 of the cartridge case 2. arranges, in which an ignition charge is usually introduced in liquid form when filling (see Fig. 1).
- the bottom 3 of the cartridge case is pressed axially inwards in the entire area except for the actual bulge 10, so that a dome-shaped bottom 3 is formed.
- 2b shows the area of the bulge 10 on an enlarged scale. It can be clearly seen that the opening 13 of the bulge 10 towards the inside of the cartridge case 2 is reduced by pressing in the base 3, thereby damaging the ignition charge introduced.
- 2b shows the bulge 10 after the re-pressing with a tool with flat pressure surfaces. Before the repressing, the bulge 10 or the sleeve edge 7 had the contour 8 shown in dashed lines in the figure. This repressing compresses the ignition charge, not shown.
- the reference number 9 shows the radial width of the bulge 10.
- the reference number 5 shows the desired excess of the height of the bulge 10 before the re-pressing.
- the reference number 4 indicates the height of the bulge 10 after the re-pressing.
- the tolerated inner edge height of the bulge 10 after the re-pressing is indicated by the reference number 6.
- 3a shows an alternative embodiment of the cartridge case 2 or the bulge 10.
- the base 3 is pressed axially inwards, so that the opening 13 of the bulge 10 towards the interior of the cartridge case 2 is reduced (see FIG. 3b) .
- 3b shows the bulge 10 again on an enlarged scale.
- the bulge 10 or the sleeve edge 7 has been pressed here from the desired oversize 5 (see dashed contour 8) to the required final height 4, so that a tolerated inner edge height 6 has arisen.
- the repressing was carried out using a sharp-edged tool which only pressed in the region of the bulge 10 or the sleeve edge 7 adjoining the cartridge wall.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Powder Metallurgy (AREA)
- Lighters Containing Fuel (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59806296T DE59806296D1 (de) | 1997-11-11 | 1998-11-06 | Randfeuerpatrone und herstellungsverfahren dafür |
AU18711/99A AU749127B2 (en) | 1997-11-11 | 1998-11-06 | Boundary light cartridge and production method therefor |
EP98963416A EP1031006B1 (de) | 1997-11-11 | 1998-11-06 | Randfeuerpatrone und herstellungsverfahren dafür |
US09/554,067 US6352033B1 (en) | 1997-11-11 | 1998-11-06 | Rimfire cartridge and production process therefor |
KR1020007005081A KR100564084B1 (ko) | 1997-11-11 | 1998-11-06 | 테두리 점화식 카트리지 및 그 제조 방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19749737A DE19749737A1 (de) | 1997-11-11 | 1997-11-11 | Randfeuerpatrone |
DE19749737.3 | 1997-11-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999024779A1 true WO1999024779A1 (de) | 1999-05-20 |
Family
ID=7848247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/007084 WO1999024779A1 (de) | 1997-11-11 | 1998-11-06 | Randfeuerpatrone und herstellungsverfahren dafür |
Country Status (7)
Country | Link |
---|---|
US (1) | US6352033B1 (de) |
EP (1) | EP1031006B1 (de) |
KR (1) | KR100564084B1 (de) |
AU (1) | AU749127B2 (de) |
DE (2) | DE19749737A1 (de) |
WO (1) | WO1999024779A1 (de) |
ZA (1) | ZA9810313B (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWM363973U (en) * | 2009-04-28 | 2009-09-01 | Chung-Yi Lee | Fired pin assembly for powder actuated nail gun |
GB201205243D0 (en) | 2012-03-26 | 2012-05-09 | Kraft Foods R & D Inc | Packaging and method of opening |
GB2511559B (en) | 2013-03-07 | 2018-11-14 | Mondelez Uk R&D Ltd | Improved Packaging and Method of Forming Packaging |
GB2511560B (en) | 2013-03-07 | 2018-11-14 | Mondelez Uk R&D Ltd | Improved Packaging and Method of Forming Packaging |
US10976144B1 (en) | 2018-03-05 | 2021-04-13 | Vista Outdoor Operations Llc | High pressure rifle cartridge with primer |
US11221199B2 (en) | 2019-04-05 | 2022-01-11 | Vista Outdoor Operations Llc | High velocity, rimfire cartridge |
USD937962S1 (en) * | 2019-04-05 | 2021-12-07 | Vista Outdoor Operations Llc | Firearm cartridge |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2003438A (en) * | 1933-03-01 | 1935-06-04 | Asturienne Mines Comp Royale | Tool for making cartridge shells |
US2522208A (en) * | 1946-06-26 | 1950-09-12 | Remington Arms Co Inc | Ammunition |
US3452578A (en) * | 1967-09-21 | 1969-07-01 | Dynamit Nobel Ag | Process and apparatus for manufacturing unilaterally closed cases with a bottom fold |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE550657A (de) * | 1955-08-29 | |||
US3257892A (en) * | 1964-07-17 | 1966-06-28 | Olin Mathieson | Rim-fire improvement |
FR2293686A1 (fr) * | 1974-12-03 | 1976-07-02 | Gruaz Eric | Douille pour balle a blanc, balle reelle de petit calibre ou charge de pistolet de scellement, d'abattage ou autres, et son procede de fabrication |
FR2672982B1 (fr) * | 1991-02-20 | 1995-03-10 | Ncs Pyrotechnie Technologies | Procede et dispositif d'amorcage d'etuis de munitions ou de charges de scellement a percussion annulaire. |
US5490463A (en) * | 1993-09-20 | 1996-02-13 | Federal-Hoffman, Inc. | Match performance .22 caliber cartridge |
-
1997
- 1997-11-11 DE DE19749737A patent/DE19749737A1/de not_active Withdrawn
-
1998
- 1998-11-06 DE DE59806296T patent/DE59806296D1/de not_active Expired - Lifetime
- 1998-11-06 KR KR1020007005081A patent/KR100564084B1/ko not_active IP Right Cessation
- 1998-11-06 AU AU18711/99A patent/AU749127B2/en not_active Expired
- 1998-11-06 EP EP98963416A patent/EP1031006B1/de not_active Expired - Lifetime
- 1998-11-06 WO PCT/EP1998/007084 patent/WO1999024779A1/de active IP Right Grant
- 1998-11-06 US US09/554,067 patent/US6352033B1/en not_active Expired - Lifetime
- 1998-11-11 ZA ZA9810313A patent/ZA9810313B/xx unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2003438A (en) * | 1933-03-01 | 1935-06-04 | Asturienne Mines Comp Royale | Tool for making cartridge shells |
US2522208A (en) * | 1946-06-26 | 1950-09-12 | Remington Arms Co Inc | Ammunition |
US3452578A (en) * | 1967-09-21 | 1969-07-01 | Dynamit Nobel Ag | Process and apparatus for manufacturing unilaterally closed cases with a bottom fold |
Also Published As
Publication number | Publication date |
---|---|
EP1031006B1 (de) | 2002-11-13 |
EP1031006A1 (de) | 2000-08-30 |
ZA9810313B (en) | 1999-05-18 |
DE59806296D1 (de) | 2002-12-19 |
AU749127B2 (en) | 2002-06-20 |
DE19749737A1 (de) | 1999-05-12 |
US6352033B1 (en) | 2002-03-05 |
KR100564084B1 (ko) | 2006-03-27 |
KR20010031971A (ko) | 2001-04-16 |
AU1871199A (en) | 1999-05-31 |
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