Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Coating or impregnating workpiece before molding or shaping...
Reexamination Certificate
2011-04-12
2011-04-12
Michener, Jennifer K. (Department: 1728)
Plastic and nonmetallic article shaping or treating: processes
With printing or coating of workpiece
Coating or impregnating workpiece before molding or shaping...
C264S172190, C264S173100, C264S212000, C264S310000, C264S008000, C425S008000, C156S244110, C156S390000, C156S501000, C427S211000, C427S428120, C427S428150
Reexamination Certificate
active
07922945
ABSTRACT:
Arrangement for manufacturing a web-shaped packaging laminate, comprising an extruder arranged so as to extrude a film of polymer material down into a nip between a cooling roll and a counter-roll, and also means of introducing at least one other layer of the packaging laminate into the said nip for joining the film together with the layer. According to the invention, the arrangement comprises an arrangement for covering the cooling roll with a surface layer of a water-based composition comprising a dry matter content. The invention also relates to the method for manufacturing the web-shaped packaging laminate, in which the composition is transferred as a thin layer to the film of polymer material in the nip, while the film of polymer material is still hot.
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patent: 6071576 (2000-06-01), Bentmar et al.
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Bentmar Mats
Berlin Mikael
Buchanan & Ingersoll & Rooney PC
Michener Jennifer K.
Slawski Magali P
Tetra Laval Holdings & Finance S.A.
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