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:
Jul. 04, 1978
Filed:
Aug. 26, 1976
Applicant:
Inventor:
Manfred Blase, Essen, DE;
Assignee:
Didier Engineering GmbH, Essen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F17D / ;
U.S. Cl.
CPC ...
48192 ; 138 26 ; 202270 ; 220 / ; 428 36 ; 431346 ;
Abstract
A gas pipe has positioned in the interior thereof, and along the entire length thereof, a loose gas displacement body formed of an incombustible material, such as mineral wool or glass wool. The body may be a hollow cylinder divided longitudinally, and further divided into partial bodies placed within the pipe in serial succession.