Laminating apparatus

Details Laminating apparatus Laminating apparatus

1977-02-23

1978-05-23

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With separate heating means for work

156555, B32B 3100, B31F 500

Patent

active

040909115

ABSTRACT:
An apparatus for laminating articles with plastic of the type having supply rolls, pressure rollers and pull rollers through which a web of plastic is drawn. Heat shoes heat the plastic prior to the pressure rollers to cause an adhesive side to become fluent. The heat shoes have a large heating surface and are filled with sand. A plenum chamber directs cooling air onto the bonded web between the pressure rollers and pull rollers. The upper rollers are carried by a spring biased slide while the lower rollers are journaled to the frame. An eccentric mechanism mounted in the slide lifts the slide and upper rollers for threading and cleaning. A threaded linking member is attached between the slide and the top of the frame for incrementally lifting the upper pressure roller to allow single side lamination.

REFERENCES:
patent: 3143454 (1964-08-01), Hannon
patent: 3309983 (1967-03-01), Dresser
patent: 3623933 (1971-11-01), Staats
patent: 3959567 (1976-05-01), Bradley
patent: 4021288 (1977-05-01), Hannon

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