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:
Dec. 11, 1979
Filed:
Mar. 09, 1978
Applicant:
Inventors:
Karl-Heinz Hakert, Mulheim, DE;
Walter Quitmann, Angermund, DE;
Assignee:
Mannesmann Aktiengesellschaft, Dusseldorf, DE;
Primary Examiner:
Int. Cl.
CPC ...
B65H / ; B21B / ;
U.S. Cl.
CPC ...
156187 ; 29132 ;
Abstract
A roll or roller for urging extruded thermoplastic strip onto an axially advancing, rotating pipe is constructed from a silicon rubber core with a shore hardness of 40 and having a softer silicon rubber jacket with a shore hardness not exceeding 30. The core is traversed by axial bores.