发明授权
- 专利标题： Light-tight film reel
- 专利标题（中）： 不透光胶卷
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申请号： US890申请日： 1987-01-06
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公开(公告)号： US4809923A公开(公告)日： 1989-03-07
- 发明人: Victor A. Adriaensen , Edward Buelens , Carolus C. Goossens
- 申请人： Victor A. Adriaensen , Edward Buelens , Carolus C. Goossens
- 申请人地址： BEX Mortsel
- 专利权人： AGFA-Gevaert N.V.
- 当前专利权人： AGFA-Gevaert N.V.
- 当前专利权人地址： BEX Mortsel
- 优先权： EPX86200035.3 19860110
- 主分类号： B65H75/14
- IPC分类号： B65H75/14 ; B65H75/28 ; G03B1/00 ; G03B17/30 ; G03B21/32
摘要：
A light-tight film reel which is positionable on a spindle having a driving connection for rotating said reel, comprising a cylindrical hub-core assembly which includes a central bore in the core for locating the reel on the spindle, at least one separate cavity isolated from the bore disposed between the bore and the periphery of the hub, at least one film threading axial slots in the hub periphery that communicates with the cavity and an axially displaceable film locking member fitting within the cavity.
公开/授权文献
- US5983916A Upgrade of below grade fill to at grade fill 公开/授权日：1999-11-16
信息查询
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