Process and equipment for micro-pattern forming on roll surface,

Details Process and equipment for micro-pattern forming on roll surface, Process and equipment for micro-pattern forming on roll surface,

1989-04-17

1990-09-25

Powell, William A.

Stock material or miscellaneous articles

All metal or with adjacent metals

Nonplanar uniform thickness or nonlinear uniform diameter

101 32, 1566591, 156345, 156905, 21912169, 428174, 428179, 428187, B21D 1300, B31F 107, B44C 122, C32

Patent

active

049592750

ABSTRACT:
A process and an equipment for micro-pattern forming on the surface of a rolling roll, and a metallic thin sheet and preparation thereof by transferring a micro-pattern on the surface by use of the roll are provided. Such a rolling roll can be attained by a method wherein resin film mixed with optical absorbing agent is formed on the surface, a Q switch YAG laser having an output of 5 to 100W is applied to make a marking on this resin film, a part of the coated film is removed in strict accordance with the pattern, then an etching process is applied to the roll surface. The metallic thin sheet skin pass rolled by this roll is used as a car panel and is superior in pressworkability and sharpness of reflections.

REFERENCES:
patent: 2684291 (1954-07-01), Wilson et al.
patent: 2854336 (1958-09-01), Gutknecht
patent: 3048512 (1962-08-01), Nelson
patent: 4213819 (1980-07-01), Werthmann
patent: 4321105 (1982-03-01), Melonio et al.
patent: 4504354 (1985-03-01), George et al.

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