Title:
積層鋼板および記録装置
Document Type and Number:
Japanese Patent JP7215133
Kind Code:
B2
Abstract:
A frame as a multi-layer steel plate is a multi-layer steel plate including a plurality of steel plates being stacked, outer peripheries of which have a plurality of sides, in which positions of the plurality of sides of the plurality of steel plates include portions located at identical positions in plan view, the plurality of steel plates are fixed to each other by welding at the plurality of sides located at the identical positions in plan view, and among the plurality of steel plates, at least one of the steel plates is processed into a shape different from a shape of other steel plates.
Inventors:
Yosaku Tamura
Application Number:
JP2018235180A
Publication Date:
January 31, 2023
Filing Date:
December 17, 2018
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
B21D47/04; B21D53/00; B23K26/21; B32B15/01; B41J2/01
Domestic Patent References:
| JP4116186U | ||||
| JP2000077863A | ||||
| JP2011061981A |
Foreign References:
| WO2011099593A1 |
Attorney, Agent or Firm:
Satoshi Nakai
Hiroki Matsuoka
Masayuki Imamura
Hiroki Matsuoka
Masayuki Imamura