Electric heating – Metal heating – By arc
Patent
1989-11-06
1990-07-17
Albritton, C. L.
Electric heating
Metal heating
By arc
2191218, B23K 2600
Patent
active
049422855
ABSTRACT:
This invention relates to a method for welding a metal honeycomb carrier in which the metal honeycomb carrier for a catalyst convertor is welded. The method for welding the metal honeycomb carrier according to this invention radiates laser beam to one end surface of a core section formed of metal corrugated and flat plates to mutually weld said corrugated and flat plates, where said laser beam is moved in the direction perpendicular to the welding direction while oscillating at a certain amplitude and masking is applied to the amplitude end of said laser beam and its neighboring area on the end surface of said core section.
REFERENCES:
patent: 3597579 (1971-08-01), Lumley
patent: 4205118 (1980-05-01), Schubert
patent: 4802729 (1989-02-01), Rivoallan et al.
Ishikawa Hiroyuki
Koizumi Hiroyasu
Albritton C. L.
Calsonic Corporation
Kasper Horst M.
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