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. 27, 2010
Filed:
Oct. 28, 2004
Zsolt Nenyei, Blaustein, DE;
Steffen Frigge, Niederwiesa, DE;
Patrick Schmid, Dornstadt, DE;
Thorsten Hülsmann, Dornstadt, DE;
Thomas Theiler, Ulm, DE;
Zsolt Nenyei, Blaustein, DE;
Steffen Frigge, Niederwiesa, DE;
Patrick Schmid, Dornstadt, DE;
Thorsten Hülsmann, Dornstadt, DE;
Thomas Theiler, Ulm, DE;
Mattson Technology, Inc., Fremont, CA (US);
Abstract
Disclosed is an apparatus and a method for reducing flash in an injection mold (or) which molds a molded article between a first mold surface and a second mold surface. The apparatus includes an active material actuator (orandorand) configured to, in response to application or removal of an electrical actuation signal thereto, change dimension and urge the first mold surface relative to the second mold surface to reduce flash therebetween. The apparatus also includes a transmission structure () configured to provide in use, the electrical actuation signal to said active material actuator (orandorand) includes a set of active material actuators stacked one against the other to provide a varying sealing force to urge the first mold surface relative to the second mold surface.