Special receptacle or package – For holding a machine readable recording medium – For holding a tape cassette
Patent
1986-05-19
1988-10-18
Foster, Jimmy G.
Special receptacle or package
For holding a machine readable recording medium
For holding a tape cassette
156250, 156258, 206472, 206564, B65D 85672, B32B 3104
Patent
active
047780517
ABSTRACT:
A book-like storage container for cassettes or the like is formed from a single thermoplastic sheet of PVC plastic which has a pair of stackable trays formed on an inner face thereof that are connected together by an integral spine in side-by-side relation. Each tray is defined by C-shaped walls and the spine has flanges adjacent each end thereof for interlocking with the interfitting walls of the trays when the holder is in a closed position to form an enclosure therein. The PVC sheet has a living hinge defined therein along the connecting edges of the spine and each of its respective trays. In a preferred embodiment, a second thermoplastic sheet of flexible vinyl is placed back-to-back with the PVC sheet and thermally bound thereto about the sheets' peripheries. The PVC sheet is notched at the intersection of each living hinge and the periphery of the PVC sheet, so that when the peripheries of the PVC sheet and vinyl sheet are thermally bound together, there is no thermal seam at those notches. During the heat sealing step of holder formation, the vinyl sheet is gathered toward the spine section thereof by urging it down between the living hinges of the PVC sheet. This aids in eliminating wrinkling of the vinyl sheet and in keeping it properly formed in all opened and closed positions of the holder.
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Supplemental Declaration of Merlin R. Schaub (1/19/87).
Supplemental Declaration of D. Mark Hector (1/19/87).
Hector D. Mark
Herdina Rodney T.
Schaub Merlin R.
Foster Jimmy G.
Sunrise Plastics, Inc.
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