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. 26, 1995
Filed:
Feb. 03, 1994
Applicant:
Inventors:
James M Long, Toledo, OH (US);
Timothy M Nijakowski, Swanton, OH (US);
Assignee:
Schuller International, Inc., Denver, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01G / ; B65H / ;
U.S. Cl.
CPC ...
19308 ; 2425322 ; 242581 ;
Abstract
A method and apparatus for accumulating and densifying microfibers such as glass fibers having mean fiber diameters below 1-2 microns is disclosed. A fine fiber blanket having been collected on a collection surface is removed and wound up on a mandrel having a permeable surface while a partial vacuum, preferably exceeding one hundred inches of water column, is maintained in the interior of the mandrel.