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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Martwick; Wilford E.
Address:
Minneapolis, MN
No. of patents:
8
Patents:




Patent Number Title Of Patent Date Issued
5388522 Cartridge case for a cased telescoped ammunition round February 14, 1995
A cartridge case for a cased telescoped ammunition round 10. The cartridge case includes a hollow cylindrical casing 12 the axis 15 of which is also the axis of symmetry of round 10. The inner surface of casing 12 has a longitudinal groove 48 formed in it along which groove 48 casing 12
5069137 Cased telescoped ammunition round December 3, 1991
A cartridge case 64 for a cased telescoped ammunition round 10. Cartridge case 64 includes a casing 12 having inwardly tapering conical end portions 14, 16 and end seals 20, 22 which undergo elastic deformation when round 10 is fired from a gun. A plurality of spring fingers 62 are forme
5067408 Cased telescoped ammunition round November 26, 1991
A cartridge case 68 for a cased telescoped ammunition round 10. Cartridge case 68 includes a hollow cylindrical casing 12 fabricated from a material which undergoes elastic deformation when round 10 is fired from a gun, a rear seal 20 and a front seal 22. A control tube is secured to rea
5067407 Cased telescoped ammunition round November 26, 1991
A cartridge case 68 for a cased telescoped ammunition round 10. Cartridge case 68 includes a spirally wrapped hollow cylindrical casing 12 fabricated from a thin sheet of spring tempered high carbon steel which partially unwinds at the time round 10 is fired from a gun, a rear seal 1
5029530 Cartridge case for a cased telescoped ammunition round July 9, 1991
A cartridge case 76 for a cased telescoped ammunition round 10. Cartridge case 76 includes a hollow cylindrical outer casing 12 the axis 18 of which is also the axis of symmetry of round 10. The inner surface of outer casing 12 has a longitudinal groove 50 formed in it along which groove
4938145 Cased telescoped ammunition having features augmenting cartridge case dimensional recovery by ca July 3, 1990
A cased telescoped ammunition round includes a propellant charge disposed in a tubular case. The case is composed of a skin tube and end caps on opposite ends of the tube. The case defines a chamber that contains the propellant charge. The charge has an axial bore containing a control tu
4907510 Cased telescoped ammunition having features augmenting cartridge case dimensional recovery by ce March 13, 1990
A cased telescoped ammunition round includes a propellant charge disposed in a tubular case and having an axial bore containing a center sleeve attached at its opposite ends to the opposite ends of the case. A projectile is housed within a forward portion of the center sleeve and a p
4091735 Stored energy impact fuze May 30, 1978
An improved stored energy impact fuze wherein a spring loaded firing pin is normally restrained in the spring loaded position by a holding mechanism which includes a ball detent positioned in a slot on the firing pin and held in place by a hinged plate. Upon impact, the hinged plate is d


 
 
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