Title:
STIRRER SHAFT PIPE AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2013/133084
Kind Code:
A1
Abstract:
The present invention is a stirrer shaft pipe constituting a shaft of a glass-manufacturing stirrer which comprises said shaft and stirring blades projecting from said shaft, the stirrer shaft pipe being characterized in that: the stirrer shaft pipe has a multi-layer structure in which a plurality of pipes are layered in n layers (n = 2 to 5); of said plurality of pipes constituting the multi-layer structure, at least a pipe in one layer has a crystal grain aspect ratio (length direction/radial direction), in the material texture in a cross section along the length direction, of from 10 to 100, and a crystal grain aspect ratio (circumferential direction/cross-sectional direction), in the material texture in a cross section along the circumferential direction, of from 5 to 100.
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Inventors:
TAKAGI YOSHIKAZU (JP)
SUZUKI TOSHIYA (JP)
SUZUKI TOSHIYA (JP)
Application Number:
PCT/JP2013/054903
Publication Date:
September 12, 2013
Filing Date:
February 26, 2013
Export Citation:
Assignee:
TANAKA PRECIOUS METAL IND (JP)
International Classes:
C03B5/187; B01F15/00; B21K1/10
Foreign References:
| JP2006188375A | 2006-07-20 | |||
| JPH06107419A | 1994-04-19 | |||
| JPH07223823A | 1995-08-22 | |||
| JP2010265505A | 2010-11-25 | |||
| JP2004149338A | 2004-05-27 |
Other References:
See also references of EP 2824084A4
Attorney, Agent or Firm:
TANAKA AND OKAZAKI (JP)
Patent business corporation Tanaka and Okazaki and associates (JP)
Patent business corporation Tanaka and Okazaki and associates (JP)
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Claims: