Title:
THREADED FASTENER
Document Type and Number:
Japanese Patent JP2004176180
Kind Code:
A
Abstract:
To provide threaded fasteners which have light weight and excellent productivity and by which manufacturing steps can be decreased and manufacturing costs can be reduced.
The threaded fasteners can be obtained by subjecting industrial pure magnesium or a magnesium alloy or a composite material using these as a matrix, each having a fine-grained superplastic structure of ≤100μm grain size, to heating to 250 to 400°C where a superplastic phenomenon occurs and carrying out forming by warm forging utilizing the superplastic phenomenon.
More Like This:
| WO/1992/007197 | PLASTIC SCREW ACCESSORY |
Inventors:
KITAGAWA MASAYOSHI
MICHIURA YOSHISADA
MAEKAWA KEIICHI
OBARA MITSUAKI
AZUMA KENJI
ASAOKA TAKESHI
MICHIURA YOSHISADA
MAEKAWA KEIICHI
OBARA MITSUAKI
AZUMA KENJI
ASAOKA TAKESHI
Application Number:
JP2004010322A
Publication Date:
June 24, 2004
Filing Date:
January 19, 2004
Export Citation:
Assignee:
KURIMOTO LTD
KISHIWADA STAINLESS KK
AZUMA KENJI
KISHIWADA STAINLESS KK
AZUMA KENJI
International Classes:
F16B35/00; C22C1/10; C22C23/02; C22C23/04; C22C49/04; C22C101/02; C22C101/06; C22C101/10; C22C101/12; C22C101/16; (IPC1-7): C22C23/02; C22C1/10; C22C23/04; C22C49/04; F16B35/00
Attorney, Agent or Firm:
Hidetsugu Takara