B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 65/54 (2006.01) B32B 37/12 (2006.01)
Patent
CA 2650749
This invention relates to a machine for bonding up to three film comprising: .cndot. a first unit designed to unwind a first film associated with a spreader/applicator unit to apply an adhesive material to one surface of said film; .cndot. a second unit designed to unwind a second film associated with a spreader/applicator unit to apply an adhesive material to one surface of said film; .cndot. a third unit designed to unwind a third film; and .cndot. a fourth unit comprising two bonding machines designed to join the various layers of film together. Said bonding units comprise a bonding calender, onto which the various layers of film are wound, and at least one presser roller which is subject to the action of hydraulic actuators, the two bonding units being positioned between the two pay-off/applicator units. The present invention also relates to a method for bonding three films composed of materials which can be of a nature similar to and/or different from one another, using the same bonding unit.
Nordmeccanica S.p.a.
Robic
LandOfFree
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