The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 21, 1992
Filed:
May. 31, 1990
Applicant:
Inventor:
Ragnar Ekbom, Finspang, SE;
Assignee:
ABB Stal AB, Finspang, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
419-8 ; 419-9 ; 419 49 ;
Abstract
A method of preparing a parted circular ring, preferably a vane ring or sealing ring of a turbine, by the ring being hot pressed isostatically in a casing having radial partitions provided therein of the same material as the powder used for the isostatic hot pressing, a coating of release agent being provided at one side of the partitions.