Edge sealing of laminate

Details Edge sealing of laminate Edge sealing of laminate

1978-10-02

1980-12-09

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156213, 156216, 264285, B31F 100, B29C 1704, B32B 304, B29C 1700

Patent

active

042382637

ABSTRACT:
The edge of an interior lamina or laminae of a laminated sheet or film having three or more laminae is positively encapsulated to protect material enclosed by the laminated sheet or film from contacting and interacting with the edge of the interior lamina or laminae. To encapsulate the interior lamina or laminae, the edge of the laminated sheet or film is heated and the molten outer laminae are mechanically forced out and over the interior lamina or laminae to be covered, thereby positively encapsulating the edge of the interior lamina or laminae.

REFERENCES:
patent: 2696865 (1954-12-01), Seiler
patent: 3172571 (1965-03-01), Marchak
patent: 3307738 (1967-03-01), Scheindel
patent: 3426102 (1969-02-01), Solak et al.
patent: 3466214 (1969-09-01), Polk et al.
patent: 3976224 (1976-08-01), Ericson et al.

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