EP 0862721 A4 20000112 - IMPROVED COMPOSITE/METALLIC GUN BARREL
Title (en)
IMPROVED COMPOSITE/METALLIC GUN BARREL
Title (de)
VERBESSERTER WAFFENLAUF AUS FASER VERSTÄRTEM KUNSTSTOFF UND METALL
Title (fr)
CANON DE FUSIL COMPOSITE/METALLIQUE AMELIORE
Publication
Application
Priority
- US 9620304 W 19961218
- US 57369795 A 19951218
- US 57440295 A 19951218
- US 57369395 A 19951218
Abstract (en)
[origin: WO9722843A1] A composite/metallic gun barrel (8) is disclosed having a metallic liner (12) and a composite casing (20) formed by groups of fibers (32). In accordance with one application of the principles of the present invention, the gun barrel is formed by alternating first and second groups of fibers (36, 40) wrapped about the liner, the first groups being disposed in a first orientation generally perpendicular to the long axis (A-A) of the liner, and the second groups including one or more layers disposed generally parallel with the long axis of the metallic liner. By controlling the amount of fibers in each group relative to the other group, the coefficients of thermal expansion in the radial direction can be matched to provide a gun barrel having desirable firing characteristics.
IPC 1-7
IPC 8 full level
F41A 21/02 (2006.01)
CPC (source: EP)
F41A 21/02 (2013.01)
Citation (search report)
- [A] DE 2525940 A1 19761223 - DYNAMIT NOBEL AG
- [A] US 4435455 A 19840306 - PREWO KARL M [US], et al
- [A] US 5285592 A 19940215 - SIDES JAMES R [US]
- [A] US 3742640 A 19730703 - THOMSEN D
- [A] US 4211146 A 19800708 - BRADLEY RICHARD L [US]
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE
DOCDB simple family (publication)
WO 9722843 A1 19970626; AT E274179 T1 20040915; AU 1743197 A 19970714; DE 69633188 D1 20040923; EP 0862721 A1 19980909; EP 0862721 A4 20000112; EP 0862721 B1 20040818
DOCDB simple family (application)
US 9620304 W 19961218; AT 96945947 T 19961218; AU 1743197 A 19961218; DE 69633188 T 19961218; EP 96945947 A 19961218