Film transfer molding

Details Film transfer molding Film transfer molding

B - Operations, Transporting

29

D

296/85

B29D 5/00 (2006.01) B29C 45/14 (2006.01) B29C 70/76 (2006.01) B29C 70/78 (2006.01) B60J 10/02 (2006.01)

Patent

CA 1323059

ABSTRACT Producing an encapsulated glazing unit having a weather- stable film on an exposed surface of the gasket. There is provided a two-part mold whose sections cooperate to define a mold cavity for receiving the peripheral margins of the transparent glazing unit upon which the gasket is to be formed. A sheet of the weather-stable film is positioned over the mold section having the portion of the cavity which defines the surface to which the film is to be applied. With the mold closed, a flowable gasket forming material is injected into the mold cavity behind the film to deform the film into conformity with the mold surface. As the gasket cures in situ, the film chemically bonds to its surface. The encapsulated unit is removed from the mold and the excess film is trimmed from around the gasket.

605782

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