Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2005-06-07
2005-06-07
Haran, John T. (Department: 1733)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C156S274600, C156S308600, C156S324000
Reexamination Certificate
active
06902645
ABSTRACT:
A three part laminated material for use in making blister packages and a method of making such a material. The material is comprised of a central core layer of poly chloro-tri-fluoro ethylene to each side of which a separate polymer film is adhesively attached. The method of making the material involves use of a corona treater, a vertical forced air convection dryer, a horizontal convection dryer, a motor driven rewind, a chilled cylinder, a primary unwind and at least one laminating unwind. In the preferred embodiment, each of the polymer films is polyvinyl chloride, although a variety of different films may be used. The disclosed material provides a high moisture barrier, a stable inter-laminar structure and outer surfaces which lend themselves well to bonding with other materials.
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Haran John T.
Kloeckner Pentaplast of America, Inc.
Rosden Peter E.
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