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:
Apr. 27, 1976
Filed:
Sep. 04, 1974
Applicant:
Inventors:
Joseph Brian Wareing, Chester, EN;
Herbert Hall, Wakefield, EN;
Assignees:
The Electricity Council, London, EN;
Johnson & Nephew (Non-Ferrous), Manchester, EN;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D / ; C23C / ; F27D / ;
U.S. Cl.
CPC ...
72 38 ; 29DI / ; 72 46 ; 72342 ; 118 50 ; 432242 ;
Abstract
A seal permitting wire, rod or the like to be fed continuously into a vacuum treatment chamber comprises two die-shaped elements conforming to the peripheral shape of the wire, rod or the like in spaced holders with a tube sealed between the holders and a removable insert in the tube externally fitting closely within the tube.