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:
Oct. 24, 1978
Filed:
Jun. 06, 1977
Applicant:
Inventors:
Takashi Oda, Hirakata, JP;
Kaoru Kokubu, Sakai, JP;
Assignee:
Nippon Seisen Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210496 ; 55526 ; 210510 ;
Abstract
A fortified metal filter possessing a high filtering efficiency, a large pore ratio and a wide net area of fused parts of fine stainless steel wires is prepared by crushing the edges of these wires. The wires utilized in the system are composed of numerous polygonally cross-sectioned fine stainless steel wires. The procedure for preparing such filters, in which only the fused part, which arises from the crushing of the wire edges, possesses a large net area and the metal is diffused into the fused part, is achieved by heating and compressing the system simultaneously.