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.

Date of Patent:
Dec. 19, 1978

Filed:

Oct. 08, 1976
Applicant:
Inventors:

Ronald N Cerny, Littleton, CO (US);

Walter B Peters, Englewood, CO (US);

Thomas H Sadler, Morrison, CO (US);

Peter Rodrigo, Littleton, CO (US);

George M Mollick, Littleton, CO (US);

Assignee:

Johns-Manville Corporation, Denver, CO (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138149 ; 138103 ; 138178 ;
Abstract

A conduit especially suitable for carrying high temperature fluids is disclosed herein and includes an outer casing, a concentric inner core and an intermediate concentric layer of insulation material. The conduit also includes what may be referred to as a pressure relief valve located through the outer casing of the conduit and extending into the concentric layer of insulation material. In the event that the fluid finds its way into this layer of insulation material and in the event it expands, the pressure relief valve provides a readily available passage to the ambient surroundings for the expanding fluid.


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