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:
Nov. 17, 2020
Filed:
Nov. 07, 2016
S.i.p.a. Societa′ Industrializzazione Progettazione E. Automazione S.p.a., Vittorio Veneto, IT;
S.I.P.A. SOCIETA' INDUSTRIALIZZAZIONE PROGETTAZIONE E AUTOMAZIONE S.P.A., Vittorio Veneto, IT;
Abstract
A process to increase the diameter of a core rod () of an injection mould for preforms, wherein the core rod () has a moulding surface () divided in a neck finish portion () and a preform body portion (), comprises the steps of: a) grinding or milling a layer from the surface of the preform body portion () of the core rod, b) depositing a metallic compound onto the ground portion to make a coating, c) removing the excess of coating material to bring the coated surface to a predetermined superficial roughness and to diametrical dimensions greater than the original surface profile () to reduce the thickness of the lateral wall of the moulded preform.