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:
Oct. 16, 2001
Filed:
Feb. 24, 1999
Jobst Ulrich Gellert, Georgetown, CA;
Itsuto Nakanishi, Toronto, CA;
Mold-Masters Limited, Georgetown, CA;
Abstract
Injection molding apparatus having a removable nozzle seal (,) which screws onto the outside of the front end (,) of a heated nozzle (,). A mounting sleeve (,) having a threaded outer surface (,) is integrally mounted around the front end (,) of the nozzle (,). The nozzle seal (,) has a retaining portion (,) with a threaded inner surface (,) to screw onto the mounting sleeve (,) extending rearwardly from a central nut portion (,). A sealing and alignment flange portion (,) extends forwardly from the central nut portion (,) and fits into a cylindrical portion (,) of a well (,) in the mold (,) to accurately align the front end (,) of the nozzle (,) and prevent melt leakage between the heated nozzle (,) and the surrounding cooled mold (,). In another embodiment, a sealing and alignment portion (,) of the nozzle seal (,) extending forwardly into an opening (,) in the mold (,) forms the gate (,).