低温材料のシート、ならびにそれを製造するための方法およびツール - HADLEY INDUSTRIES OVERSEAS HOLDINGS LIMITED

Title:

低温材料のシート、ならびにそれを製造するための方法およびツール

Document Type and Number:

Japanese Patent JP2011502790

Kind Code:

A

Abstract:

A tool (20) for cold rolling sheet material having a base gauge G, the tool (20) being cylindrical and having a longitudinal axis and having rows (R12, R13) of teeth (30, 130, 230, 330, 430, 630) extending from the circumferential surface, each tooth (30, 130, 230, 330, 430, 630), having a rounded sheet engaging surface (36, 63) with a first radius of curvature R at and adjacent the peak (11, 31 a, 41 a, 61 a) of each tooth (30, 130, 230, 330, 436, 630), the radius of curvature R extending in a direction between the longitudinal axis and 90° thereto the pitch between adjacent teeth (30, 130, 230, 330, 430, 630) in a row being at least 3 R..

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Inventors:

Deeley, Jeffrey Thomas
Hanpage, Roy
Castelucci, Michael

Application Number:

JP2010532648A

Publication Date:

January 27, 2011

Filing Date:

January 24, 2008

Export Citation:

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Assignee:

HADLEY INDUSTRIES OVERSEAS HOLDINGS LIMITED

International Classes:

B21D47/00; B21D13/04

Domestic Patent References:

JPH0347633A	1991-02-28
JP2003275825A	2003-09-30
JPS62148032A	1987-07-02
JP2003531025A	2003-10-21
JP2003245725A	2003-09-02
JP2002038944A	2002-02-06
JPS5243312U	1977-03-28

Attorney, Agent or Firm:

Hironobu Onda
Makoto Onda
Atsushi Honda
Miho Ikegami

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