STIRRER SHAFT PIPE AND METHOD FOR PRODUCING SAME
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jan 1, 2015
app pub date -
Feb 26, 2013
filing date -
Mar 7, 2012
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
The present invention is a stirrer shaft pipe constituting a shaft of a stirrer for glass production formed by the shaft and a stirring blade protrusively provided at the shaft, having a multilayered structure of n layers (n=2 to 5) in which a plurality of pipes are laminated, wherein in at least the pipe of one layer of the plurality of pipes constituting the multilayered structure, a crystal grain aspect ratio (a longitudinal direction/a radial direction) in a material structure of a section in the longitudinal direction is 10 to 100, and a crystal grain aspect ratio (a circumferential direction/a sectional direction) in the material structure of a section in the circumferential direction is 5 to 100.
First Claim
Other Claims data not available