A manufacturing method of a tubular member - Okamura Manufacturing Co., Ltd.

Title:

A manufacturing method of a tubular member

Document Type and Number:

Japanese Patent JP6063646

Kind Code:

B2

Inventors:

Yoshinobu Hirose
Kiyo Kadomatsu
Yuji Ochiai

Application Number:

JP2012124527A

Publication Date:

January 18, 2017

Filing Date:

May 31, 2012

Export Citation:

Assignee:

Okamura Manufacturing Co., Ltd.

International Classes:

B21D41/04; B21D22/02; B21D37/08; B21D47/01; B21D51/16

Domestic Patent References:

Attorney, Agent or Firm:

Masatake Shiga
Suzuki Mitsuyoshi
Yasushi Matsunuma

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