Ammunition and explosives – Cartridges – Telescoping powder charge
Patent
1990-02-02
1991-07-09
Tudor, Harold J.
Ammunition and explosives
Cartridges
Telescoping powder charge
102430, 102443, 102464, F42B 502
Patent
active
050295306
ABSTRACT:
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 48 outer casing 12 splits when round 10 is fired. A front seal 20 closes the front end of casing 12 and a rear seal 22 closes the rear end of casing 12. A hollow cylindrical control tube 24 is secured to rear seal 22 so that control tube 24 is symmetric with axis 18. Three bolts 52, 53, 54 which are made of a material having a yield strength greater than the maximum stress to which the bolts 52, 53, 54 are subjected when round 10 is fired interconnect front and rear seals 20, 22. After round 10 is fired, bolts 52, 53, 54 return to their initial length, so that the length of the cartridge case returns to its initial length, and seals 20, 22 confine the casing 12 between seals 20, 22 to maintain the integrity of the spent cartridge case 76.
REFERENCES:
patent: 2362738 (1944-11-01), Yarbrough
patent: 4681038 (1987-07-01), Washburn
patent: 4907510 (1990-03-01), Martwick et al.
Martwick Wilford E.
Tasson Brian B.
Honeywell Inc.
Hughes Edward W.
Tudor Harold J.
Udsdeth William T.
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