公开(公告)号：US3659393A

公开(公告)日：1972-05-02

申请号：US3659393D

申请日：1970-05-28

申请人： ROYAL PACKAGING EQUIPMENT INC

发明人： RICHTER JOSEPH

IPC分类号： B65B31/02

CPC分类号： B65B31/021

摘要： This disclosure relates to apparatus for forming vacuum packages and includes means defining a cavity adapted to receive a package having aperture means in a periphery thereof, means for temporarily sealing a flexible cover to the package periphery outboard of the aperture means, vacuum means for drawing a portion of the flexible cover overlying the aperture means away from the aperture means to form an access opening opening into the package between the flexible cover and the package periphery, means for withdrawing air from the package through the access opening and the aperture means incident to permanently sealing the flexible cover to the package periphery, and means for permanently sealing the flexible cover to the package periphery inboard of the aperture means.

摘要翻译： 本公开涉及用于形成真空包装的装置，并且包括限定适于在其周边容纳具有孔口装置的包装的空腔的装置，用于将柔性罩临时密封到孔装置外侧的包装周边的装置， 覆盖孔的柔性盖的部分意味着远离孔装置，以在柔性盖和包装周边之间形成进入包装中的进入开口，用于通过进入开口抽出空气从包装中取出空气的装置，以及永久地入口的孔装置 将柔性盖密封到包装周边，以及用于将柔性盖永久密封到孔装置内侧的包装周边的装置。