Method for producing a line-shaped weakening by means of lasers

Details Method for producing a line-shaped weakening by means of lasers Method for producing a line-shaped weakening by means of lasers

1997-09-05

1999-03-16

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Laser ablative shaping or piercing

21912171, 21912176, 264409, 264482, 264156, B23K 2600

Patent

active

058825720

ABSTRACT:
A method is described for producing a line-shaped weakening in a flat material by one-sided local removal of the flat material by controllable pulsed laser radiation. The occurring line-shaped weakening is not visible on the surface of the flat material that is not machined and has a reproducible constant breaking resistance.

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Patent Abstracts of Japan, Publication No. 02099324, Publ. Date Apr. 11, 1990, "Preparation of Interior Part Having Air Bag Lid Part".
Patent Abstracts of Japan, Publication No. 09001530, Publ. Date Jan. 7, 1997, "Forming Method for Break Line".

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