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:
Nov. 24, 1981
Filed:
Feb. 28, 1980
Applicant:
Inventors:
Anthony J Last, Oakville, CA;
John M McAndless, Medicine Hat, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ; B05C / ;
U.S. Cl.
CPC ...
427 57 ; 118419 ; 118420 ; 118620 ; 4273899 ; 4274346 ;
Abstract
A method and apparatus for the treatment of fabric materials with a liquid finishing agent such as a liquid repellant is disclosed. The method involves passing a strip of the fabric through a bath of the liquid finishing agent across a stationary fabric contacting surface. In the preferred embodiment, the fabric is subjected to ultra-sonic energy while immersed in the bath at a power level and frequency such that cavitation occurs in the bath adjacent the submerged material.