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:
Mar. 30, 1999
Filed:
Jun. 05, 1997
John J Bakula, Grand Island, NY (US);
Keith F Wojciechowski, Lakeview, NY (US);
Derrick Manufacturing Corporation, Buffalo, NY (US);
Abstract
A screen assembly for a vibratory screening machine including a plate having openings therein, a plurality of screens firmly bonded to the plate, channels on the edges of the plate, and a plurality of hollow plastic channeling strips fused into the plurality of screens. A method of fabricating a screen assembly for a vibratory screening machine including the steps of firmly bonding a plurality of screens to a plate having openings therein, laying a plurality of plastic tubes into grooves of a fixture, superimposing the plurality of screens bonded to the plate over the plastic tubes, and applying a heated platen to the plate and the screens bonded thereto to thereby cause the plastic tubes to fuse into the screens.