Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2011-07-12
2011-07-12
Wyrozebski, Kat (Department: 1746)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C156S551000, C156S555000
Reexamination Certificate
active
07976667
ABSTRACT:
Method for bonding together up to three layers in a film, which may be made of layers of different materials. The method includes unwinding from pay-off units layers of the film and guiding them into a spreader/applicator units designed to apply an adhesive material to one side of the layers and feeding them to a bonding zone (1), bonding together the layers in the bonding zone, by winding them over a first bonding calender (18), along a contact arc on the surface of said calender. The method is characterized by determining the breadth of said contact arc by rotating a nip onto which the presser roller (19) is mounted, so as to vary the position of the point of contact between a presser roller (19) and the surface of said bonding calender (18). The bonded film is then taken up.
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Dodds Scott W
Nordmeccanica S.p.A.
Notaro, Michalos & Zaccaria P.C.
Wyrozebski Kat
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