Process and apparatus for applying plastic filaments to sheets f

Details Process and apparatus for applying plastic filaments to sheets f Process and apparatus for applying plastic filaments to sheets f

1975-12-11

1978-04-18

Klein, David

Coating processes

Coating remains adhesive or is intended to be made adhesive

118 6, 118320, 156109, 15624425, 156292, 156344, 156500, 156584, 427284, C03C 2700, B25J 300

Patent

active

040852385

ABSTRACT:
A face of a sheet, e.g. of glass, is moved past an extrusion nozzle to deposit a plastic filament adjacent a first edge thereof. The movement is interrupted when a corner is reached. The nozzle and sheet are moved away from each other to detach the filament adjacent the corner and the sheet is rotated to present its next edge to the nozzle while retaining the continuity of the filament. The nozzle and sheet are then returned to depositing position and the relative movement resumed to deposit the filament adjacent the next edge. The apparatus includes means for raising the sheet from conveyor belts and raising the extrusion devive by a greater amount, and then turning the sheet by a suction cup arm, the sheet being supported by rollers during the turning. A detector monitors the position of the sheet and controls the operation of the apparatus.

REFERENCES:
patent: 2275811 (1942-03-01), Woelfel
patent: 3391805 (1968-07-01), Baden
patent: 3473988 (1968-10-01), Rullier et al.
patent: 3573149 (1971-03-01), Tibble
patent: 3876489 (1975-04-01), Chenel
patent: 3886013 (1975-03-01), Bouser et al.
patent: 3947311 (1976-03-01), Jarchow et al.

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