Title:
重合板、重合管および重合管の張出かしめ方法、工具
Document Type and Number:
Japanese Patent JP4465581
Kind Code:
B2
Abstract:
An assembly of sheet materials in which a first sheet of material and a second sheet of material are disposed in an overlapping relationship, with a plurality of joint portions being formed therebetween by drawing an overlapping part of the first and second sheets of materials at a plurality of positions. The plurality of joint portions includes at least one first joint portion in which the first sheet of material is laterally extruded into the second sheet of material and at least one second joint portion in which the first sheet of material and the second sheet of material are in contact with each other in a cup-like surface configuration.
Inventors:
Makoto Nishimura
Sekine Chikaya
Sekine Chikaya
Application Number:
JP2003154795A
Publication Date:
May 19, 2010
Filing Date:
May 30, 2003
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
B21D39/04; B60G15/06; B21D39/03; B21D53/88; B21J15/02; B21J15/10; B21J15/36; F16B4/00; F16B17/00; F16F9/32; F16F9/54
Domestic Patent References:
| JP62010921U | ||||
| JP9060682A | ||||
| JP2001248677A | ||||
| JP9042355A |
Attorney, Agent or Firm:
Calyx