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:
Jul. 11, 1989
Filed:
Nov. 06, 1986
Applicant:
Inventors:
Charles I Soodak, Silver Spring, MD (US);
Robert R Ulrich, Eldersburg, MD (US);
Assignee:
American Fluoroseal Corporation, Silver Spring, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912163 ; 21912167 ; 21912182 ; 21912175 ; 21912184 ;
Abstract
Methods and apparatuses for manufacturing air and water tight bags of plastic films such as Teflon or other fluorocarbons including creation of an intimate contacting pair of such films. This film pair can be stored or used in accordance with the other aspects of the invention or otherwise, and has its own utility. A vacuum table holds the film pair while a laser beam under computer control simultaneously cuts and welds the film pair along the path of the laser beam to form the bags.