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. 08, 2003
Filed:
Apr. 27, 2000
Erkka Nieminen, Tampere, FI;
Metso Paper, Inc., Helsinki, FI;
Abstract
A method for making a screen cylinder is described in which screen wires are arranged on the inner surface of a support wire at certain intervals and attached by a weld from the outer surface of the support wire. In a preferred embodiment of the invention, the screen wires are arranged in mounting grooves provided on the inner surface of the support wire and welded by a welding method providing deep penetration so that the weld extends through the support wire from the outer surface of the hoop to the screen wire. In another embodiment, a welding groove is formed on the outer surface of the support wire and the weld is effected in the welding groove. The invention further relates to a screen cylinder manufactured by the method of the invention.