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. 10, 1984
Filed:
Sep. 11, 1981
Applicant:
Inventor:
Joseph M Evans, Murrysville, PA (US);
Assignee:
Silicon Technology Incorporated, Greensburg, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C10B / ; E06B / ; F27D / ;
U.S. Cl.
CPC ...
201 41 ; 34242 ; 49485 ; 106 33 ; 106 75 ; 1101 / ; 202242 ; 202248 ; 202269 ; 266271 ; 432250 ;
Abstract
A heated chamber having at least one opening; closure means for closing said at least one opening, said closure means having at least a closed and open position; said closure means and said opening having surfaces disposed for coming into proximity of one another in said closed position, said surfaces forming a primary sealing means for said heated chamber in said closed position, there being a substance applied to at least one of said proximate surfaces, said substance having a property of expanding upon the application of heat thereby forming a secondary sealing means between said proximate surfaces in said closed position.