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:
Feb. 24, 1987
Filed:
May. 30, 1985
Applicant:
Inventor:
Yoneji Wada, Tokyo, JP;
Assignee:
Origin Company Limited, Gifu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
210222 ; 210496 ; 2105021 ; 55515 ; 428244 ; 428242 ;
Abstract
A filtering member made of a filtering paper or nonwoven fabric tape is folded into a V-shaped cross sectional configuration, absorbing agents are uniformly dropped into the folded filtering member, the filtering member is further folded to wrap the absorbing agents therein and finally the filtering member is twisted to form a filter medium in the form of a string. The absorbing agents may be active carbon, active kaoline, water absorbing resin, magnetized magnetic material or combinations thereof.