METHOD AND DEVICE FOR PRODUCING TUBULAR FORMED BODY

Title:

METHOD AND DEVICE FOR PRODUCING TUBULAR FORMED BODY

Document Type and Number:

WIPO Patent Application WO/2005/009641

Kind Code:

A1

Abstract:

A forming device having a rotating frame (1) and a forming blade (2) movable in the axial and radial directions of the rotating frame. One side-edge portion of a tubular blank (B) is fixed to a predetermined position of the rotating frame (1), and the other side-edge portion is movably set on the rotating frame. While the rotating frame (1) is rotated, the forming blade (2) is brought to be in contact with and pressed to the inner diameter side or the outer diameter side of a peripheral wall of the tubular blank (B). The forming blade is reciprocated from the fixed side-edge portion to the radially outward or inward and moved toward the movable side-edge portion. Thus, a tubular formed body on which a ridge portion or a recess portion continuing at least in one circumferential direction is shaped is formed.

Inventors:

SANO TAKUZO (JP)
TAKADA NOBORU (JP)

Application Number:

PCT/JP2004/009962

Publication Date:

February 03, 2005

Filing Date:

July 13, 2004

Export Citation:

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Assignee:

YOKOHAMA RUBBER CO LTD (JP)
SANO TAKUZO (JP)
TAKADA NOBORU (JP)

International Classes:

B21D22/16; B60B21/12; (IPC1-7): B21D15/06; B21D22/16; B21D51/12; B60B21/00; B60B21/12; B60C17/04

Foreign References:

JPS6261321U	1987-04-16
JP2002282949A	2002-10-02
JPH06190477A	1994-07-12
JPH09276967A	1997-10-28
JPS57184534A	1982-11-13
JPH01166826A	1989-06-30
JPH09201625A	1997-08-05
JP2004066284A	2004-03-04
JPS57175401A	1982-10-28
DE10149086C1	2003-02-13
DE2207308A1	1973-08-30

Other References: