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:
May. 20, 2014
Filed:
Oct. 26, 2009
Applicants:
Luc Parent, Saguenay, CA;
Sylvain Vieuille, Gemil, FR;
Inventors:
Luc Parent, Saguenay, CA;
Sylvain Vieuille, Gemil, FR;
Assignee:
Sefar BDH, Inc., Saguenay, QC, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/34 (2006.01); B01D 46/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The pleated filter bag, which can be used in a bag-house type dust collector, is elongated and has a longitudinal hollow center with an open end, and a pleated filter wall circumscribing the hollow center. The pleated filter wall has a felt such as PTFE fibers felted onto an apertured and pleatable scrim which can be made of metal, and having a permeability lower than a permeability of the scrim. A membrane of lower-permeability material, such as an E-PTFE membrane, covers the support felt on the outer side of the bag.