Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1997-10-17
1999-10-26
Sells, James
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156242, 156286, 156382, 156494, 264101, 264511, 264553, 264571, 4254051, 425546, B29C 5300
Patent
active
059721510
ABSTRACT:
A method and an apparatus for applying a cover sheet of plastic material to the surface of a mold, during the molding of panels and/or of plastic pieces. The cover sheet is pneumatically held and stretched by a support frame provided with a sheet clamping groove, which peripherally extends for at least part or the edges of the mold; the support frame is provided with an air suction chamber connected to the sheet clamping groove by at least an air suction slot which opens on the bottom of the groove. The pneumatic support frame for the cover sheet and the mold are movable between each other for pneumatically adhering the cover sheet to the edges and the internal surface of the mold.
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patent: 3954537 (1976-05-01), Alfter et al.
patent: 3962392 (1976-06-01), Conner, Jr.
patent: 4116736 (1978-09-01), Sanson et al.
patent: 4267142 (1981-05-01), Lankheet
patent: 4439392 (1984-03-01), Schutzler et al.
patent: 4769100 (1988-09-01), Short et al.
patent: 4923539 (1990-05-01), Spengler et al.
Sells James
Tecnos S.P.A.
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