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1.
公开(公告)号:US5648105A
公开(公告)日:1997-07-15
申请号:US499443
申请日:1995-07-06
申请人: Seiki Shimazu , Kenji Yamaga , Yoshimi Sakai , Atsushi Koyama , Yuichi Namikawa
发明人: Seiki Shimazu , Kenji Yamaga , Yoshimi Sakai , Atsushi Koyama , Yuichi Namikawa
CPC分类号: B29C45/263 , B29C2045/2651 , G11B7/26 , Y10S425/81
摘要: A method of making a plurality of optical record disc substrates includes the steps of injecting a resin material into a plurality of disc-shaped cavities which are formed by closing a fixed mold half and a movable mold half; and cooling the injected resin material in the cavities. The cavities are grouped into a plurality of groups so that each group includes not less than one cavity, and each group is provided with a common actuation device so that each actuation device is independently operated.
摘要翻译: 制造多个光记录盘基板的方法包括以下步骤:将树脂材料注入到通过闭合固定半模和可移动半模而形成的多个圆盘状空腔中; 并且在空腔中冷却注入的树脂材料。 空腔被分成多个组,使得每个组包括不少于一个空腔,并且每个组具有公共致动装置,使得每个致动装置独立地操作。
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公开(公告)号:US5458821A
公开(公告)日:1995-10-17
申请号:US145236
申请日:1993-11-03
申请人: Seiki Shimazu , Kenji Yamaga , Yoshimi Sakai , Atsushi Koyama , Yuichi Namikawa
发明人: Seiki Shimazu , Kenji Yamaga , Yoshimi Sakai , Atsushi Koyama , Yuichi Namikawa
CPC分类号: B29C45/263 , B29C2045/2651 , G11B7/26 , Y10S425/81
摘要: A method of making a plurality of optical record disc substrates includes the steps of injecting a resin material into a plurality of disc-shaped cavities which are formed by closing a fixed mold half and a movable mold half; and cooling the injected resin material in the cavities. The cavities are grouped into a plurality of groups so that each group includes not less than one cavity, and each group is provided with a common actuation device so that each actuation device is independently operated.
摘要翻译: 制造多个光记录盘基板的方法包括以下步骤:将树脂材料注入到通过闭合固定半模和可移动半模而形成的多个圆盘状空腔中; 并且在空腔中冷却注入的树脂材料。 空腔被分成多个组,使得每个组包括不少于一个空腔,并且每个组具有公共致动装置,使得每个致动装置独立地操作。
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3.
公开(公告)号:US4382523A
公开(公告)日:1983-05-10
申请号:US201912
申请日:1980-10-29
申请人: Masaoki Sekine , Seiki Shimazu
发明人: Masaoki Sekine , Seiki Shimazu
IPC分类号: B29C45/00 , B29C41/00 , B29C45/26 , B29C45/37 , B29C45/38 , B29C45/73 , B29C45/77 , G11B23/087 , G11B23/113 , B65D43/16 , B29G2/00 , G03B1/04
CPC分类号: B29C45/26 , G11B23/08735 , B29C2045/0049
摘要: A tape cover formed by molding an L-shaped body of an upper plate and a front plate in one piece in which an erroneous insertion detecting notch is formed in the joint portion of both the plates comprises an injecting port as a gate positioned on a side surface of said upper plate in said notch, and the thickness of the wall of said upper plate just below said injecting port is larger than that of the other part of the wall of said upper plate near said injecting port wall.
摘要翻译: 通过将两个板的接合部中形成有错误插入检测槽口的上板的L形体和前板成型为一体而形成的带盖包括作为位于侧面的门的注入口 所述上板的表面在所述凹口中的正下方的所述上板的壁的厚度大于所述注入口壁附近的所述上板的壁的另一部分的厚度。
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4.
公开(公告)号:US4382522A
公开(公告)日:1983-05-10
申请号:US201910
申请日:1980-10-29
申请人: Seiki Shimazu , Masaoki Sekine
发明人: Seiki Shimazu , Masaoki Sekine
IPC分类号: G11B23/113 , B29C35/00 , B29C41/00 , B29C45/00 , B29C45/30 , B29C45/37 , B29C45/73 , B29C45/77 , G11B23/087 , B65D43/16 , B29G2/00 , G03B1/04
CPC分类号: B29C45/0025 , B29C45/0046 , G11B23/08735
摘要: A tape cover made of resin comprises a single-piece L-shaped body of an upper plate and a front plate and an erroneous insertion detecting notch formed in the joint of the plates, wherein a gate is formed in the notch and the thickness of the wall of a portion adjacent the notch in the upper plate is smaller than the distance from the edge of the upper plate to the most remote part of the diameter of the gate.
摘要翻译: 由树脂制成的带盖包括形成在板的接头中的上板和前板的单件L形主体和形成在该接合部中的错误插入检测槽,其中,在该凹口中形成有浇口, 与上板中的切口相邻的部分的壁小于从上板的边缘到门的直径的最远部分的距离。
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