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:
Feb. 20, 1996
Filed:
Jul. 22, 1994
Applicant:
Inventors:
Christian Schneider, Luzern, CH;
Jacques Periard, Sins, CH;
Assignee:
Lonza Ltd., Gampel/Valais, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 30 ; 252 29 ; 252 493 ; 72 42 ;
Abstract
A mandrel lubricant for use in the production of seamless tubes. The mandrel lubricant composed of graphite, clay minerals from the smectite class, a polysaccharide and optionally a surfactant. The coating of the mandrels that have passed through a cooling bath takes place in the form of an aqueous dispersion.