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Patent Searching and Data


Title:
PUSH SCREW DEVICE AND ROLL FORMING MACHINE
Document Type and Number:
WIPO Patent Application WO/2011/132611
Kind Code:
A1
Abstract:
Disclosed is a push screw device wherein: each push screw is arranged such that each rotationally driving shaft is disposed along the same straight line when viewed from above; the bottom end position in the vertical direction of each screw blade is the same and the spiral winding direction of these screw blades is opposite for adjacent screw blades; two push screws disposed at the center of the arranged direction of the push screws are the center screws, and the rotation direction of the screw blades and the supply direction of the raw material is the same, when the section between each of the rotationally driving shafts that contain these center screws is viewed from above.

Inventors:
SANADA Teruo (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
真田 輝男 (〒71 東京都千代田区丸の内二丁目6番1号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
FUJIKAWA Hideki (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
Application Number:
JP2011/059392
Publication Date:
October 27, 2011
Filing Date:
April 15, 2011
Export Citation:
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Assignee:
NIPPON STEEL CORPORATION (6-1 Marunouchi 2-chome, Chiyoda-ku Tokyo, 71, 〒1008071, JP)
新日本製鐵株式会社 (〒71 東京都千代田区丸の内二丁目6番1号 Tokyo, 〒1008071, JP)
TETSUGEN CORPORATION (1-4-4, Fujimi Chiyoda-k, Tokyo 42, 〒1028142, JP)
株式会社テツゲン (〒42 東京都千代田区富士見1丁目4番4号 Tokyo, 〒1028142, JP)
SANADA Teruo (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
International Classes:
B30B11/00; B30B11/18; B65G65/46
Attorney, Agent or Firm:
SHIGA Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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Claims: