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:
Jun. 08, 2004
Filed:
Jan. 10, 2002
Applicant:
Inventors:
Peter Sattler, Zwingenberg, DE;
Udo Liebram, Pfungstadt, DE;
Assignee:
Synventive Molding Solutions B.V., 'S-Gravendeel, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/523 ;
U.S. Cl.
CPC ...
B29C 4/523 ;
Abstract
An injection molding device ( ) including an actuating cylinder ( ) with a piston ( ). A valve pin ( ) is actuated by the cylinder ( ), the piston including a fluid passage ( ) via which pressure medium can pass when the piston is in a position between its upper and its lower end position, and which is at least partly closed off when the piston is in its lower and/or its upper end position. Hereby relatively simple position indicator of the valve pin ( ) is formed.