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:
Oct. 28, 1997
Filed:
Jan. 27, 1995
Applicant:
Inventor:
Michael W Ferralli, Fairview, PA (US);
Assignee:
Technology Licensing Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ; B05D / ;
U.S. Cl.
CPC ...
427476 ; 427483 ; 427486 ; 427236 ; 427371 ;
Abstract
An electrostatically clad conduit innerduct liner and method for making the innerduct are disclosed, The process includes, heating the innerduct to a temperature less than melting point of the innerduct or a powder to be coated on the inner surface of the innderduct, The powder to be coated is electrically charged and applied to the innerduct by spraying from a nozzle having a different polarity than the innerduct to provide a substantially uniform coating.