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:
Feb. 20, 1990
Filed:
Dec. 12, 1988
Applicant:
Inventors:
Stephen T Opresko, Lancaster, PA (US);
Walter E Root, Strasburg, PA (US);
Assignee:
Thomson Consumer Electronics, Indianapolis, IN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
277 12 ; 220 / ; 277205 ;
Abstract
A resilient, non-porous gasket for a substantially rectangular vacuum chamber includes an outer lip for positioning and holding the gasket on the support frame of the vacuum chamber. An improvement for enabling the gasket to creep during said gasket deformation and for enhancing the sealing of the sealing edge of an object being processed against a sealing surface of the gasket in the presence of curvature of the sealing edge wherein the corners of the outer lip of the gasket are removed.