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. 19, 2021
Filed:
Feb. 21, 2018
Applicant:
Ewikon Heisskanalsysteme Gmbh, Frankenberg, DE;
Inventors:
Assignee:
EWIKON HEISSKANALSYSTEME GMBH, Frankenberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/84 (2006.01); B29C 45/17 (2006.01); B29C 45/28 (2006.01);
U.S. Cl.
CPC ...
B29C 45/84 (2013.01); B29C 45/1775 (2013.01); B29C 45/281 (2013.01); B29K 2995/0072 (2013.01); B29K 2995/0094 (2013.01);
Abstract
The invention relates to a hot runner device comprising at least one needle valve nozzle and a shut-off needle which is movable in the needle valve nozzle by means of a movement means, and comprising an overload protection device for the shut-off needle, characterized in that the overload protection device is implemented as follows: the shut-off needle is connected in at least a first movement direction directly or indirectly to the movement means by at least one frictional connection that can be released when a threshold force is exceeded.