Studded squeegee roller

Details Studded squeegee roller Studded squeegee roller

1985-08-06

1988-03-29

Mathews, A. A.

Electric heating

Microwave heating

Tunnel furnace

354 86, 291211, 219121L, 219121LM, 118DIG5, G03D 902

Patent

active

047347295

ABSTRACT:
An improved squeegee roller particularly suited for use in an instant camera has a texture formed by stud-like bumps. A complex contour is provided to the roller by varying the heights of the bumps along the roller surface. In a method and apparatus for producing the roller a pulsed laser beam is used to produce the bumps and the energy of each pulse is varied according to a predetermined program to adjust the height of a bump formed.

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A. A. Antonov et al., entitled "A Steady-State Crater formed as a Result of Interaction of High-Power cw CO.sub.2 Laser Radiation with Metals and Liquids, Soviet Journal Quantum Electronics 7(8), Aug. 1977, pp. 990-993.

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