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:
Apr. 14, 2009
Filed:
May. 24, 2007
Applicants:
George Olaru, North York, CA;
Gino Colonico, Georgetown, CA;
Inventors:
George Olaru, North York, CA;
Gino Colonico, Georgetown, CA;
Assignee:
Mold-Masters (2007) Limited, Georgetown, Ontario, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/23 (2006.01);
U.S. Cl.
CPC ...
Abstract
A valve pin bushing for a hot runner includes a bushing body having a hole therethrough for receiving a valve pin and a rearward surface for contacting a back plate. A thermally insulative component is coupled to a forward surface of the bushing body. The thermally insulative component is made of a nonmetallic material having a thermal conductivity lower than that of the bushing body.