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Patent Searching and Data


Title:
METHOD FOR MANUFACTURING RING-SHAPED MEMBER
Document Type and Number:
WIPO Patent Application WO/2007/043565
Kind Code:
A1
Abstract:
The cost of a ring-shaped member is reduced by improving the yield, i.e., the ratio of the weight of the ring-shaped member to the weight of a material. A plurality of vertically long annular blanks (3) are punched out from the material (2) having a prescribed width, and the vertically long annular blanks (3) are formed on the annular ring-shaped member (1).

Inventors:
KANEMITSU TOSHIAKI (JP)
KANEMITSU SHUJI (JP)
ODA MISAO (JP)
OHNISHI MASATAKA (JP)
FUJII NAOKI (JP)
ODA KAZUYUKI (JP)
Application Number:
PCT/JP2006/320287
Publication Date:
April 19, 2007
Filing Date:
October 11, 2006
Export Citation:
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Assignee:
KANEMITSU CORP (JP)
KANEMITSU TOSHIAKI (JP)
KANEMITSU SHUJI (JP)
ODA MISAO (JP)
OHNISHI MASATAKA (JP)
FUJII NAOKI (JP)
ODA KAZUYUKI (JP)
International Classes:
B21D28/06; B21D53/16
Foreign References:
JPS455144B1
JPH0647139B21994-06-22
JPS58128231A1983-07-30
Attorney, Agent or Firm:
SUZUE, Shoji et al. (2-4 Komatsubara-cho, Kita-k, Osaka-shi Osaka, JP)
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