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.

Date of Patent:
Oct. 03, 2000

Filed:

Jul. 16, 1997
Applicant:
Inventors:

Jurgen Wust, Erding, DE;

Reinhard Winkler, Engen, DE;

Miroslaw Plata, Vetroz, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ; B22D / ;
U.S. Cl.
CPC ...
164-41 ; 164 61 ; 164 65 ; 164113 ; 164253 ; 164305 ;
Abstract

The apparatus includes a diecasting mold and evacuation elements for the controlled evacuation of a mold cavity. The evacuation elements includes a vacuum tank and a suction line interconnecting the vacuum tank and the diecasting mold. the suction line includes a first valve and a second valve which is coupled in parallel to the first valve. The valves are arranged so that a reference space is formed therebetween. The method for manufacturing die-castings includes evacuating a diecasting mold, filling the diecasting mold with casting material, removing the die-casting, forming a reference space in a portion of the suction line by closing the two valves which are coupled in parallel, measuring moisture, and pressure and temperature in the reference space, and controlling the apparatus in accordance with the measured values.


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