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.

Date of Patent:
Mar. 01, 2016

Filed:

Apr. 29, 2015
Applicant:

Mold-masters (2007) Limited, Georgetown, CA;

Inventor:

Payman Tabassi, Rockwood, CA;

Assignee:

Mold-Masters (2007) Limited, Georgetown, Ontario, CA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/22 (2006.01); B29C 45/74 (2006.01); B29L 31/00 (2006.01); B29C 45/27 (2006.01);
U.S. Cl.
CPC ...
B29C 45/74 (2013.01); B29C 45/2725 (2013.01); B29L 2031/757 (2013.01);
Abstract

A sealing arrangement between hot runner components includes a sealing component positioned between a first hot runner component and a second hot runner component having a molding material channel extending therebetween. The sealing component includes an opening through which the molding material channel extends. The sealing component is received in a bore in the second hot runner component such that a portion of the sealing component projects beyond the second hot runner component to create a gap between the first hot runner component and the second hot runner component. The sealing component has a hardness that is greater than a hardness of the second hot runner component and less than a hardness of the first hot runner component. Further, the sealing component has a coefficient of thermal expansion that is proximate to a coefficient of thermal expansion of the second hot runner component.


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