发明公开
- 专利标题： WATER RESISTANT SHOT WAD
- 专利标题（中）： 防水射击WAD
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申请号： EP93922756.0申请日： 1993-09-27
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公开(公告)号： EP0704044A1公开(公告)日： 1996-04-03
- 发明人: GARDNER, Robert, J.
- 申请人： OLIN CORPORATION
- 申请人地址： 350 Knotter Drive P.O. Box 586 Cheshire, CT 06410-0586 US
- 专利权人： OLIN CORPORATION
- 当前专利权人： OLIN CORPORATION
- 当前专利权人地址： 350 Knotter Drive P.O. Box 586 Cheshire, CT 06410-0586 US
- 代理机构： Klunker . Schmitt-Nilson . Hirsch
- 优先权： US19920967319 19921028
- 国际公布： WO1994010526 19940511
- 主分类号： F42B7
- IPC分类号： F42B7
摘要：
A water resistant shotshell (10) has an internal moisture seal (32, 86) to preclude moisture intrusion into the propellant charge (26). The seal is at least one flexible tapered lip (32, 86) on the plastic shot wad (12) which is compressed against the inside surface of the shotshell tube over the powder charge. The preferred embodiment is a two piece shot wad having a shot cup portion (22) and a wad portion (24). The wad portion (24) has a central disk portion (28) and a tubular rim (30) terminating in a pair of opposing flexible lips (32) which provide a dual moisture seal.
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