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. 03, 1987
Filed:
Dec. 08, 1986
Applicant:
Inventors:
Eugene J Palamara, Butler, PA (US);
William L Schaefer, Butler, PA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65-1 ; 65-2 ; 4251331 ; 425462 ; 425D / ;
Abstract
A bushing tip suitable for producing hollow fibers is described which is formed from a centrally disposed gas tube preferably integral with the walls of the tip and constructed such that a gas passage is provided through the tip with at least one glass delivery channel is also provided through the tip and around the gas tube. Means are also provided to connect the gas tube to a suitable gas supply.