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:
Aug. 13, 2002
Filed:
Dec. 01, 2000
John W. Gizowski, LaGrange Park, IL (US);
Markus Beer, Morsbach, DE;
J. Thomas Schriempf, Alexandria, VA (US);
IBS Filtran Kunstoff-/Metallerzeugnisse GmbH Industriestr SPX Corporation-Filtran, Charlotte, NC (US);
Abstract
A preferred transmission filter ( ) includes a first flange ( ) transparent to a laser beam ( ) and includes a second flange ( ) opaque to the laser beam ( ) and meltable upon exposure thereto. The flanges ( ) are in registered, abutting relationship with a laser weld bead ( ) at the juncture ( ) between the flanges ( ) to provide a fluid seal circumscribing the filter ( ). The preferred filter manufacturing apparatus ( ) includes a laser ( ) coupled to a robot arm ( ) controlled by a programmable logic controller ( ). The controller ( ) operates the robot arm ( ) in order to direct the laser beam ( ) through the first flange ( ) onto the second flange ( ) and along the juncture ( ) to form the laser weld bead ( ).