Receptacles – Receptacle having flexible – removable inner liner – Means for venting air trapped between the liner and its...
Patent
1989-02-23
1990-02-06
Marcus, Stephen
Receptacles
Receptacle having flexible, removable inner liner
Means for venting air trapped between the liner and its...
220404, 220441, B65D 500, B65D 3000
Patent
active
048983012
ABSTRACT:
A container for storage of flowable media has a deformable fluidtight inner envelope, a deformable fluidtight outer envelope and a collapsible frame between the two envelopes. The frame has two mirror symmetrical sections which are pivotally connected to each other along two parallel first fold lines, and each section has two second fold lines which are parallel to the first fold lines and divide the respective section into a median panel and two outer panels. The median panels carry pivotable flaps at both ends, and each outer panel carries at its ends pivotable triangular reinforcing elements. The frame is made of cardboard and can be erected by exerting pressure against the outer sides of the first fold lines. This causes the panels of each section to pivot relative to each other along the second fold lines while the outer envelope folds the flaps. The flaps form the top and bottom end walls of the erected frame, and the reinforcing elements enhance the stability of the frame at its ends. Strips of adhesive tape are used to prevent collapse of the once erected frame. A nozzle extends through registering openings of the two envelopes and a flap of the frame and is bonded to the two envelopes.
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Castellano Stephen
Kontler Peter K.
Marcus Stephen
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