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:
Sep. 02, 1980
Filed:
Feb. 21, 1979
Applicant:
Inventors:
Ernst Scheffler, Langenhagen, DE;
Friedrich Schatz, Langenhagen, DE;
Gerhard Ziemek, Langenhagen, DE;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
138113 ; 138 38 ; 138148 ; 138149 ; 138114 ;
Abstract
Spacer for concentrically disposed tube systems where a temperature drop exists between adjacent tubes. This may consist, for example, of a superconducting electric cable or alternatively of a tube system for carrying heated liquid or gaseous media. The concentric tubes are spaced by a winder which touches the surfaces of adjacent tubes at particular points and which consists of two ribbons of insulating material disposed adjacent to each other having two elements in-between, and one of them being wound about the other so that they touch adjacent ribbon surfaces only in isolated points.