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:
Nov. 02, 2004
Filed:
Nov. 14, 2001
Herbert Gruber, Pergarten, AT;
Johann Voggeneder, Mauthausen, AT;
Manfred Kapfer, Ried in der Riedmark, AT;
Engel Maschinenbau Gesellschaft m.b.H., Schwertberg, AT;
Abstract
An injection assembly for an injection moulding machine, comprising a screw ( ) mounted in a plasticising cylinder and an injection piston ( ) which moves the screw ( ) in the longitudinal direction and which is mounted in an injection cylinder, wherein there is provided a supply conduit for the injection cylinder having a control valve ( ) which can be shut off and there is provided an additional conduit ( ) which by-passes the control valve ( ) and in which are arranged a device ( ) for reducing the amount of the pressure fluid flowing to the injection cylinder ( ) and possibly a device ( ) for reducing the pressure.