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 (JP)
FUJIKAWA HIDEKI (JP)
GOTO SUNAO (JP)
FUJIKAWA HIDEKI (JP)
GOTO SUNAO (JP)
Application Number:
PCT/JP2011/059392
Publication Date:
October 27, 2011
Filing Date:
April 15, 2011
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
TETSUGEN CORP (JP)
SANADA TERUO (JP)
FUJIKAWA HIDEKI (JP)
GOTO SUNAO (JP)
TETSUGEN CORP (JP)
SANADA TERUO (JP)
FUJIKAWA HIDEKI (JP)
GOTO SUNAO (JP)
International Classes:
B30B11/00; B30B11/18; B65G65/46
Foreign References:
| JP2008036692A | 2008-02-21 | |||
| JP2005350209A | 2005-12-22 | |||
| JPH05503880A | 1993-06-24 | |||
| JPS58152722A | 1983-09-10 |
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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Claims: