Apparatus for attaching leaves of plastic film material to laid

Details Apparatus for attaching leaves of plastic film material to laid Apparatus for attaching leaves of plastic film material to laid

1996-01-18

1998-09-08

Crispino, Richard

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With gas, vapor, or flame contact means for work

156521, 156539, 156DIG36, 156DIG51, B65C 925, B65C 932

Patent

active

058040293

ABSTRACT:
An apparatus for attaching leaves of a film of a plastic material to laid flat workpieces made of a film of plastic material, consists of a frame with a plate or a table over which the workpieces are continuously conveyed by means of a conveyor device. In a gap of the table plate, there is arranged a pair of conveyor rollers mounted in the frame, and having a roller gap substantially aligned with the table surface; the bottom roller of the pair is a counterpressure roller and the top roller is a suction cylinder. A conveyor cylinder cooperating with the suction cylinder successively delivers the leaves to the suction cylinder. A fishtail nozzle directed towards the roller gap blows heated air into the roller gap in a controlled manner so as to weld the leaf to the workpiece. The suction roller prevents the conveyor cylinder from being heated by the hot air in an inadmissible manner.

REFERENCES:
patent: 3080910 (1963-03-01), Whitney, Jr.
patent: 3239402 (1966-03-01), Ecklund et al.
patent: 3751324 (1973-08-01), Enskat
patent: 3780486 (1973-12-01), Jensen et al.
patent: 3951050 (1976-04-01), Poole
patent: 4108706 (1978-08-01), Brands et al.
patent: 4589943 (1986-05-01), Kimball
patent: 4589945 (1986-05-01), Polit

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