LASER BEAM WELDING METHOD

WIPO Patent Application WO/2003/013779

A1

The invention relates to a method for producing a weld seam with a single laser pulse, according to which the laser beam and the work piece are displaced at a high speed relative to each other. The length of the weld seam thereby produced is mainly conditional on the product from the pulse duration of the laser pulse and the relative speed of the work piece and the laser pulse. The invention also relates to a method whereby the work piece is repeatedly impinged upon by a single laser pulse along the weld seam to be produced. In this case, the length of the weld seam is mainly conditional on the product from the pulse duration of the laser pulse and the relative speed of the work piece and the laser pulse divided by the number of impingements.

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OLOWINSKY ALEXANDER (DE)
KRAMER THORSTEN (DE)
GILLNER ARNOLD (DE)

PCT/EP2002/008848

February 20, 2003

August 07, 2002

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FRAUNHOFER GES FORSCHUNG (DE)
OLOWINSKY ALEXANDER (DE)
KRAMER THORSTEN (DE)
GILLNER ARNOLD (DE)

B23K26/08; B23K26/24; G04D3/00; (IPC1-7): B23K26/24; B23K26/26; B23K26/28; B23K26/30

US5013275A	1991-05-07
US5595670A	1997-01-21
GB2253282A	1992-09-02
EP1201610A2	2002-05-02
FR2779244A1	1999-12-03

PATENT ABSTRACTS OF JAPAN vol. 2000, no. 01 31 January 2000 (2000-01-31)
PATENT ABSTRACTS OF JAPAN vol. 010, no. 096 (M - 469) 12 April 1986 (1986-04-12)

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