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:
Dec. 17, 1991
Filed:
Nov. 29, 1990
Andrea Guggiari, Como, IT;
Pomini Farrel S.p.A., Castellanza, IT;
Abstract
The plate for extrusion, having discharge holes equipped with fitted inserts, in which the discharge holes each possess a seating having a circular base surface and an outlet opening at the surface of the plate having a substantially elliptical outline, the major axis of the ellipse being equal to the diameter of the base surface, an insert being fitted in the seating which possesses a base surface, facing towards the inside of the plate, having a substantially elliptical outline which can be inscribed, with slight clearance, inside the opening of the seating, and having an opposite surface, facing towards the outside of the plate, having a circular outline with its diameter equal to the minor axis of the base.