Pressure roller for apparatus useful in repairing sprocket holes

Details Pressure roller for apparatus useful in repairing sprocket holes Pressure roller for apparatus useful in repairing sprocket holes

1979-03-05

1981-02-10

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

156 94, 156555, 29132, B32B 3104, B32B 3500

Patent

active

042499852

ABSTRACT:
Apparatus for repairing sprocket holes on strip material, such as motion picture film, with pressure adhesive tape having holes, is provided with guide means for feeding material through a sprocket wheel at a repair station, and an improved means for pressure bonding repair tape on material at the sprocket wheel comprised of a sponge rubber pressure roller. Dual tracks and sprocket wheels are provided for use of the apparatus with material of different gauges.

REFERENCES:
patent: 2639519 (1953-05-01), Polk
patent: 3237433 (1966-03-01), Doleman
patent: 3547723 (1970-12-01), Gresham
patent: 3786549 (1974-01-01), Pott
patent: 3959048 (1976-05-01), Stanfield
patent: 4026756 (1977-05-01), Stanfield

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