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:
Sep. 12, 2000
Filed:
Nov. 07, 1998
Applicant:
Inventors:
John A Besuyen, Penfield, NY (US);
Richard K Buckley, Canadaigua, NY (US);
Eric J Kuzniar, Scottsville, NY (US);
Sylvio J Mainolfi, Roxbury, CT (US);
Assignee:
Branson Ultrasonics Corporation, Danbury, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
B31B / ;
U.S. Cl.
CPC ...
493209 ; 493374 ; 493379 ; 493389 ;
Abstract
The method of manufacturing a filtration bag for a liquid comprises placing two flexible thermoplastic sheets adapted to filter a liquid upon one another, and welding the sheets together along a desired seam line by vibration welding using tool means which forcibly engage the superposed sheets along the desired seam line.