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. 03, 2015
Filed:
Mar. 15, 2013
Applicant:
Sabic Innovative Plastics Ip B.v., Bergen op Zoom, NL;
Inventors:
Ulrich Hofmann, Gladenbach, DE;
Richard Schouwenaar, Kapelle, NL;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/00 (2006.01); B29C 45/23 (2006.01); B29C 45/28 (2006.01); B29C 45/56 (2006.01); B29C 45/27 (2006.01);
U.S. Cl.
CPC ...
B29C 45/23 (2013.01); B29C 45/2896 (2013.01); B29C 45/561 (2013.01); B29C 2045/2714 (2013.01); B29C 2045/5625 (2013.01);
Abstract
In one embodiment, a tool, comprising: a tool stationary portion comprising a nozzle and a film gate; and a tool movable portion comprising a shut off pin opposite the nozzle and the film gate; wherein the shut off pin prevents polymer melt in the nozzle from leaking into a cavity of the tool after injection of polymer into the tool.