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. 15, 1977
Filed:
Jan. 21, 1977
Applicant:
Inventor:
Brian Arthur Head, Maidstone, EN;
Assignee:
Whatman Reeve Angel Limited, Maidstonet, EN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; C02B / ; C02C / ; B07B / ;
U.S. Cl.
CPC ...
210 / ; 210 65 ; 55 97 ; 55524 ; 427244 ;
Abstract
A method of manufacturing an inside-to-outside flow filter tube and the filter tube so manufactured which comprises: providing a porous tube comprising a wet mat of randomly disposed glass fibers; positioning an external reinforcing sleeve material concentrically about the porous tube; applying an outward force to the porous tube to expand the external diameter of the porous tube into intimate contact with the sleeve material; and drying the tube and bonding the fibers of the tube into an integrally supported filter tube.