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Title:
CORD MANUFACTURING DEVICE AND CORD MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2010/032730
Kind Code:
A1
Abstract:
A helical cord that forms an elliptical shape will be manufactured so that the length-to-width ratio or the dimensions of the shaped form of the cord that is shaped in the length direction can be changed. A cord (C) is passed successively to through-holes (21H, 22H) in a stationary and a movable shaping body (21, 22) opposite each other in a shaping device (20). At this time, the movable shaping body (22) is moved along the stationary shaping body (21) by a moving apparatus, the reciprocal through-holes (21H, 22H) are brought off-center, and the cord (C) passing between the off-centered through-holes (21H, 22H) is shaped by being bent and deformed. The moving apparatus is also provided with first and second displacement mechanisms that displace the movable shaping body (22) in the X and Y directions. The movable shaping body (22) is thus displaced back and forth by amounts of displacement individually set synchronized to the two directions, the movable shaping body (22) is moved continuously interlocked to the displacement in the two directions, and the cord (C) that is passed through is shaped.

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Inventors:
OGAWA, Yuichiro (1-1 Ogawa Higashi-cho 3-chome, Kodaira-sh, Tokyo 31, 〒1878531, JP)
Application Number:
JP2009/066106
Publication Date:
March 25, 2010
Filing Date:
September 15, 2009
Export Citation:
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Assignee:
BRIDGESTONE CORPORATION (10-1, Kyobashi 1-chome Chuo-k, Tokyo 40, 〒1048340, JP)
株式会社ブリヂストン (〒40 東京都中央区京橋一丁目１０番１号 Tokyo, 〒1048340, JP)
International Classes:
D07B3/00; D07B1/06; B29D30/38
Attorney, Agent or Firm:
NEMOTO, Keiji (Eishin Patent Office, Pros Nishi-shimbashi bldg.4F 4-3, Nishi-shimbashi 2-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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