Title:
LAMINATED METAL SHEET
Document Type and Number:
WIPO Patent Application WO/2019/163510
Kind Code:
A1
Abstract:
[Problem] To make it possible to provide a laminated metal sheet which has good durability, and in which the relative positions between a plurality of metal sheets are firmly fixed.
[Solution] A laminated metal sheet comprising a laminated object of a plurality of metal sheets is characterized in that: the plurality of metal sheets are fixed by means of a crimp provided in the shape of a recess oriented from one main surface of the laminated metal sheet toward the other main surface thereof; the recessed crimp is substantially in the shape of a pillar and is defined by an open upper surface, a pair of opposing incised surfaces each formed from the open upper surface toward a bottom surface, a pair of opposing inclined surfaces each inclined from the open upper surface toward the bottom surface, transition surfaces joining the incised surfaces and the inclined surfaces, and said bottom surface, which has hook portions which project out onto the lower side main surface of the laminated metal sheet directly below the incised surfaces; and end portions in the length direction of an incision in an upper edge portion of each incised surface are provided in upper edge portions of the transition surfaces.
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Inventors:
IMANAKA HIRONOBU (JP)
MURATA TAKESHI (JP)
WASADA SHINYA (JP)
TANAKA FUTOSHI (JP)
MURATA TAKESHI (JP)
WASADA SHINYA (JP)
TANAKA FUTOSHI (JP)
Application Number:
PCT/JP2019/004031
Publication Date:
August 29, 2019
Filing Date:
February 05, 2019
Export Citation:
Assignee:
NICHIAS CORP (JP)
International Classes:
F16J15/08; B32B7/08; B32B15/01; F02F11/00
Foreign References:
| JPH0842696A | 1996-02-16 | |||
| JPH06281011A | 1994-10-07 | |||
| JP2006038105A | 2006-02-09 | |||
| JP2016180501A | 2016-10-13 |
Other References:
See also references of EP 3757430A4
Attorney, Agent or Firm:
ASHITABA INTERNATIONAL PATENT OFFICE (JP)
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