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. 29, 1985
Filed:
Apr. 20, 1982
Applicant:
Inventors:
Hirofumi Kubo, Niigata, JP;
Toshiyuki Fujimori, Niigata, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
336205 ; 336 96 ; 336198 ;
Abstract
An economical and light-weight molded coil structure wherein sheet-form electrical insulator layers containing a thermosetting resin are wrapped around the inner and outer peripheries of a coil to function as a casting mold, and end-enclosing resin layers are applied to the both end faces respectively of the coil not covered with the sheet-form insulator layers. A gas is charged to be sealed in the coil.