Method for marking thin walled tubes

Details Method for marking thin walled tubes Method for marking thin walled tubes

1994-03-18

1995-10-03

Beck, Shrive

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

427 23, 427696, 2191218, 21912184, 604264, B05D 306, B23K 2608, B23K 2618, A61M 500

Patent

active

054548810

ABSTRACT:
A method for marking thin walled tubes, using a laser. To prevent warping and to maintain the structural integrity of the tube, coolant is injected into the tube while it is being marked. To further prevent warping and to maintain the structural integrity of the tube, each mark is composed of a set of relatively thin marks, each separated by an unmarked space, and the tube and the laser are moved relative to one another so that the series of marks can be generated.

REFERENCES:
patent: 4560580 (1985-12-01), Needham et al.
patent: 4690138 (1987-09-01), Herden
patent: 4720618 (1988-01-01), Stamer et al.
patent: 4861620 (1989-08-01), Azuma et al.
patent: 4922077 (1990-05-01), Gordon
patent: 5045071 (1991-09-01), McCormick et al.
patent: 5084022 (1992-01-01), Claude
George, Joy Preparation of Thin Films Mercel Dekker Inc. 1992 pp. 278-279.

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