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:
Aug. 08, 2006
Filed:
Jun. 29, 2004
Applicant:
Itsuto Nakanishi, Toronto, CA;
Inventor:
Itsuto Nakanishi, Toronto, CA;
Assignee:
Mold-Masters Limited, Ontario, CA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 45/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A stack injection molding apparatus has first and second arrays of valve gate injection nozzles and separate mechanisms for independently actuating the nozzles of each array. A separate reciprocating yoke plate engages the valve pins of each nozzle array, and is actuated by either one centrally located actuator or a pair of symmetrically located actuators.