Title:
両端末閉塞中空材及び後端末偏肉・増肉中空材の製造方法及びその装置
Document Type and Number:
Japanese Patent JP4460197
Kind Code:
B2
Inventors:
Satoshi Murakami
Takuya Isobe
Development Toshihiko
Takuya Isobe
Development Toshihiko
Application Number:
JP2001263739A
Publication Date:
May 12, 2010
Filing Date:
August 31, 2001
Export Citation:
Assignee:
Aisin Light Metal Co., Ltd.
International Classes:
B21C25/08; B21C23/14; B21J5/02; B21J5/06; B21K21/14
Domestic Patent References:
| JP2001191110A | ||||
| JP30000608B1 |
Attorney, Agent or Firm:
Kaichi Otani