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:
Jan. 13, 2009
Filed:
Jan. 14, 2005
Dominique Hanot, Vouvry, CH;
Dominique Hanot, Vouvry, CH;
Aisapack Holding S.A., Vouvry, CH;
Abstract
The invention relates to a plastic metering system in a device for producing plastic articles, comprising a metering unit () forming a block () comprising a material feed duct (), a metering cavity () which may communicate with the said material feed duct (), a material outlet orifice () placed on a wall of the said metering cavity (), and a valve () in the form of a cylindrical rod designed to slide through and close off the said material outlet orifice (), characterized in that the metering unit () furthermore includes a piston () mounted so as to slide coaxially around the valve () so as to allow the volume of the metering cavity () to be varied and the material feed duct () to be momentarily closed off. The invention also relates to a method for using the said system.