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Title:
ROLL-MOLDING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/208659
Kind Code:
A1
Abstract:
In order to enable, with a simple and an inexpensive structure, stably roll-molding a tapering material of which the plate thickness changes in the longitudinal direction, a roll-molding device (1) is structured by comprising: two parallel roller shafts (7A, 7B); fixed rollers (11A, 11B) provided so as to be concentric with respect to one of these roller shafts (7A, 7B); floating rollers (12A, 12B) which are provided so as to be eccentric with respect to the other one of the roller shafts (7A, 7B) with clearances (CA, CB) therebetween, which oppose the fixed rollers (11A, 11B), and which sandwich a belt-shaped metallic material (M') with the fixed rollers (11A, 11B); a pressing roller (19) which is in contact with the outer circumferential sections, of the floating rollers (12A, 12B), on the sides opposite to the contacts with the fixed rollers (11A, 11B); and actuators (23A, 23B) which press the floating rollers (12A, 12B) against the fixed roller (11A, 11B) sides via the pressing roller (19).

Inventors:
YAMASHITA, Fumito (C/O MITSUBISHI HEAVY INDUSTRIES LTD, 16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
OSUKA, Satoshi (C/O MITSUBISHI HEAVY INDUSTRIES LTD, 16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
KONO, Akira (C/O MITSUBISHI HEAVY INDUSTRIES LTD, 16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
KACHIBANA, Takahiro (C/O MITSUBISHI HEAVY INDUSTRIES LTD, 16-5, Konan 2-chome, Minato-k, Tokyo 15, 〒1088215, JP)
Application Number:
JP2016/068613
Publication Date:
December 29, 2016
Filing Date:
June 23, 2016
Export Citation:
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Assignee:
MITSUBISHI HEAVY INDUSTRIES, LTD. (16-5, Konan 2-chome Minato-k, Tokyo 15, 〒1088215, JP)
International Classes:
B21D5/08
Foreign References:
JPS56500682A1981-05-21
JP2007283349A2007-11-01
JPH0999323A1997-04-15
Attorney, Agent or Firm:
FUJITA, Takaharu (37F The Landmark Tower Yokohama, 2-2-1 Minatomirai, Nishi-ku, Yokohama-sh, Kanagawa 37, 〒2208137, JP)
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