Patent ID: 7654437
Filing Date: 2010-02-02
Classification: B23K

Abstract:
1. A method for bonding metallic plates, comprising: sandwiching a laminated body, which comprises a plurality of metallic plates and is formed with an inner cavity opening on a surface thereof, between a pair of jigs each comprising a flat abutment surface abutting against respective surfaces of the laminated body, wherein at least one of the jigs is formed with an atmosphere communication path, the atmosphere communication path communicates with the inner cavity and atmosphere and comprises an escape groove extending along the flat abutment surface of the at least one of the jigs, the escape groove extends from a communication portion where the escape groove communicates with the inner cavity to a portion where the flat abutment surface does not abut against the laminated body to allow the escape groove to communicate with the atmosphere; and heating the laminated body while applying pressure to the laminated body with the pair of jigs in a lamination direction of the laminated body.