| abstract |
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. |