METHOD AND DEVICE FOR MANUFACTURING SUPPORT BODY FOR RUN FLAT

WIPO Patent Application WO/2005/007391

A1

A method of manufacturing a support body for run flat, wherein when the peripheral wall of a tubular blank (B) is pressingly held between an inner molding roller (1) and an outer molding roller (2) and at least one circumferentially continuous projected part is formed on the peripheral wall of the tubular blank (B) while rotating both molding rollers (1) and (2) to form the tubular blank (B) in an annular shell, a molding roller formed by making equal the maximum outer diameter of the inner molding roller (1) substantially to the inner diameter of the tubular blank (B) is used.

Sano, Takuzo c/o The Yokohama Rubber Co. (Ltd. Hiratsuka Factory 2-1, Oiwake, Hiratsuka-sh, Kanagawa 01, 25486, JP)
Takada, Noboru c/o The Yokohama Rubber Co. (Ltd. Hiratsuka Factory 2-1, Oiwake, Hiratsuka-sh, Kanagawa 01, 25486, JP)

PCT/JP2004/006641

January 27, 2005

May 18, 2004

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The Yokohama, Rubber Co Ltd (36-11, Shimbashi 5-chome Minato-k, Tokyo 85, 10586, JP)
Sano, Takuzo c/o The Yokohama Rubber Co. (Ltd. Hiratsuka Factory 2-1, Oiwake, Hiratsuka-sh, Kanagawa 01, 25486, JP)
Takada, Noboru c/o The Yokohama Rubber Co. (Ltd. Hiratsuka Factory 2-1, Oiwake, Hiratsuka-sh, Kanagawa 01, 25486, JP)

B21D17/04; B21H1/10; B60B21/02; B60C17/04; B21D17/00; B21H1/00; B60B21/00; B60C17/00; (IPC1-7): B29D30/06; B21H1/10; B60C17/06

Ogawa, Shin-ichi (Ogawa, Noguchi & Saika International Patent Office Toranomon 11 Mori Building, 6-4, Toranomon 2-chome, Minato-k, Tokyo 01, 10500, JP)

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