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:
Sep. 28, 2004
Filed:
May. 07, 2002
Michael Bauer, Linz, AT;
Engel Maschinenbau Gesellschaft m.b.H., Schwertberg, AT;
Abstract
Device for injection moulding of plastics, with a plasticizing and injection unit ( ), that is provided with at least one electrical drive system ( ) for turning a plasticizing screw and for injecting the plasticized plastics material between the mould halves ( ), wherein the injection moulding device is provided with at least one additional drive unit that firstly moves a machine part in a linear manner, and subsequently presses it against a fixed stop, and the additional drive unit is configured as a pneumatically actuated piston-cylinder unit ( ) and the force exerted by the piston assumes different values at a given gas pressure according to the setting of the piston.