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. 09, 2008
Filed:
Aug. 05, 2003
Karl Hermann Claasen, Moers, DE;
Uwe Muschalik, Duisburg, DE;
Karl Hermann Claasen, Moers, DE;
Uwe Muschalik, Duisburg, DE;
SMS Eumuco GmbH, Leverkusen, DE;
Abstract
A press cylinder for an extrusion press having a cylinder beam has a cylinder housing fixed on the beam and a piston shiftable along an axis in opposite forward and rearward directions in the housing and defining with a rear end of the housing a pressurizable cylinder chamber. A rod projecting axially rearwardly through the rear wall of the housing is formed with an axially extending bore. A connection block is fixed on the housing rearward of the piston. An axially extending tube in the bore fixed to the block is surrounded by an axially extending sleeve forming with the tube an annular gap, forming with an inner surface of the bore an annular compartment, and also fixed to the block. This is formed with respective passages opening into the tube and into the annular gap.