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:
Aug. 12, 1980
Filed:
Nov. 01, 1977
Applicant:
Inventors:
Akio Chiba, Hitachi, JP;
Hiromichi Imahashi, Hitachi, JP;
Sadami Tomita, Katsuta, JP;
Yoshiharu Utsumi, Katsuta, JP;
Assignee:
Hitachi, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ; H01F / ;
U.S. Cl.
CPC ...
335298 ; 335296 ;
Abstract
A non-magnetic metal for integral casting is poured into a mold supporting a couple of magnetic pole pieces with a distance piece placed therebetween. The pole pieces are thus fixed as cast integrally with the mold, and subsequently the distance piece is removed so that there are provided magnetic pole pieces of the type best suited to a nuclear magnetic resonance apparatus, etc.