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:
Oct. 11, 2005
Filed:
Oct. 13, 2001
Karl Hehl, D-72290 Lossburg, DE;
Karl Hehl, D-72290 Lossburg, DE;
Other;
Abstract
A closing device for a mold closing unit includes: at least one hydraulic pressure cylinder unit for generating a mold closing pressure on an injection mold which is accommodated in a mold clamping chamber; a pressure piston disposed in the pressure cylinder unit, a piston rod of the pressure piston is disposed along a central axis of the pressure cylinder unit, and the pressure piston separates a high-pressure chamber of the pressure cylinder unit from a low-pressure chamber thereof; an hydraulic driver cylinder, associated with the pressure cylinder unit, for closing the injection mold assembly, which drive cylinder is disposed concentrically relative to the central axis, and an actual cylinder of the drive cylinder is formed by the pressure piston of the pressure cylinder unit; and an hydraulic compensating cylinder, associated with the pressure cylinder unit, for receiving or respectively dispensing hydraulic medium, which comes from the pressure cylinder unit or respectively is to be dispensed to said pressure cylinder unit, and including a compensating cylinder chamber being in open communication with the low-pressure chamber of the pressure cylinder unit, wherein the compensating cylinder is likewise disposed concentrically relative to the central axis.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile