Title:
EXPANDED LATTICE BODY AND PRODUCTION METHOD THEREFOR, AND POLAR PLATE AND LEAD STORAGE BATTERY USING SAID EXPANDED LATTICE BODY
Document Type and Number:
WIPO Patent Application WO/2013/114873
Kind Code:
A1
Abstract:
An expanded lattice body (1) having a mesh section (2) formed using a reciprocating expansion machining method. The mesh section (2) is formed by expanding downwards a section, in a sheet, that comes in contact with a machining blade, while forming slits in the sheet by reciprocally operating an expansion machining mold in the vertical direction while intermittently feeding the sheet, between an expansion cutting mold having a cutting blade and the expansion machining mold having the machining blade. The mesh section (2) comprises a mesh frame (5) and intersecting sections (6). The intersecting sections (6) have a first section (6a) and a second section (6b). The first section (6a) and the second section (6b) are arranged offset in the vertical direction.
Inventors:
KUREMATSU MICHIO
MURATA YOSHIHIRO
SASAKI TAKEHIRO
MURATA YOSHIHIRO
SASAKI TAKEHIRO
Application Number:
PCT/JP2013/000503
Publication Date:
August 08, 2013
Filing Date:
January 30, 2013
Export Citation:
Assignee:
PANASONIC CORP (JP)
International Classes:
H01M4/74; B21D31/04; C22C11/06
Foreign References:
| JP2003173784A | 2003-06-20 | |||
| JP2003173783A | 2003-06-20 |
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
Patent business corporation MAEDA PATENT OFFICE (JP)
Patent business corporation MAEDA PATENT OFFICE (JP)
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Claims:
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