Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR PRODUCING SHAPED ARTICLE AND SHAPED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2019/176759
Kind Code:
A1
Abstract:
In the present invention, a shaped article W is produced, the shaped article including: a plurality of blades provided around a shaft, with an interval disposed therebetween in the circumferential direction; and curved surface-shaped recesses present in between the blades. This method for producing a shaped article comprises: a shaping step, in which welding beads where filler material has been melted and solidified at the peripheral surface are layered on a base material having a circular cross-section of a greater diameter than the bottom circle that passes through the lowest part of the recess, thus forming a shaped section that will become a blade; and a cutting step in which part of the surface of the shaped section and the peripheral surface of the base material is cut to form a blade, and the recesses between the blades are also formed.

Inventors:
SATO SHINJI
YAMADA TAKESHI
YAMASAKI TAKEMASA
Application Number:
PCT/JP2019/009276
Publication Date:
September 19, 2019
Filing Date:
March 08, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KOBE STEEL LTD (JP)
International Classes:
B23K9/04; B23C3/18; B24B19/14; F04D29/60
Domestic Patent References:
WO2016149774A12016-09-29
Foreign References:
US20160151833A12016-06-02
JPS6233067A1987-02-13
JP2017121656A2017-07-13
JP2018050029A2018-03-29
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
Download PDF: