Title:
METALLIC TUBULAR BODY AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2003320430
Kind Code:
A
Abstract:
To provide a metallic tubular body having a small diameter and having wall-thickness different for each part.
The metallic tubular body has a minimum internal diameter of ≤2 mm, has a maximum thickness of ≤0.5 mm, and has parts with different wall-thickness in its longitudinal direction. A thin metallic plate having different thickness in its longitudinal direction is punched out into a developed shape of the tubular body and the punched out plate is press-worked into the tubular body.
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Inventors:
Ooyanai, Tetsuya
Okano, Masayuki
Okano, Masayuki
Application Number:
JP2002000131195
Publication Date:
November 11, 2003
Filing Date:
May 07, 2002
Export Citation:
Assignee:
TERUMO CORP
OKANO KOGYO KK
OKANO KOGYO KK
International Classes:
B21D5/01; B21C37/08; B21C37/18; B21D51/16; B21G1/08; B23P15/00; A61M5/32; (IPC1-7): B21D51/16; B21D5/01