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1. 发明申请

WO1998011542A1 PROTECTIVE COVER FOR AN OPTICAL DISC 审中-公开
标题翻译：光盘保护罩
公开(公告)号：WO1998011542A1
公开(公告)日：1998-03-19
申请号：PCT/CA1997000662
申请日：1997-09-15
申请人： DIGITAL ARMOR INC.
发明人： DIGITAL ARMOR INC. , LOWE, Michael, D. , BORHOT, Tom, A. , ANDRIC, Pijo , MEDIC, Oliver, J. , BLATZ, Warren, J. , GREENING, Douglas, Christian , WITHINGTON, Stephen, Arthur
IPC分类号： G11B07/24
CPC分类号： G11B23/032 , G11B7/24097 , G11B23/0316 , G11B23/0326
摘要： There is provided a new and useful protective cover for an optical disc of circular configuration having a circular aperture centred therein and having an outer edge. The protective cover comprises a sheet of film of generally circular configuration corresponding to the configuration of the disc, the film of a material that will not interfere with the read process of the disc when the cover is in place about the disc, and a plurality of clasps spaced about a circumferential edge of the film to engage the disc about its outer edge in a snap fit. The invention also relates to a method of applying such a protective cover to such an optical disc comprising the steps of holding the cover with the clasps in a closed position oriented relative to the film toward said disc, expanding the clasps to an open position wider than an outside diameter of the disc, placing the disc within the expanded clasps, concentric with the cover and returning the clasps to the closed position whereby they engage the disc about the outer edge in a snap fit.
摘要翻译：提供了一种用于圆形构造的光盘的新的和有用的保护盖，其具有以其中心的圆形孔并具有外边缘。保护盖包括与盘的结构相对应的大致圆形构造的薄膜，当盖在盘周围就位时不会干扰盘的读取过程的材料的薄膜，以及多个围绕胶片的圆周边缘间隔开的卡扣以卡扣配合的方式围绕其外边缘接合。本发明还涉及一种将这样的保护盖应用于这种光盘的方法，包括以下步骤：将盖子保持在相对于胶片朝向所述盘定向的关闭位置的夹子中，将扣子扩大到比盘的外径，将盘放置在膨胀的扣环内，与盖同心并将扣返回到关闭位置，由此它们以扣合方式围绕外边缘接合盘。

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