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:
Jun. 11, 1991
Filed:
Jan. 08, 1990
Robert A Smith, Newbury, GB;
Cosworth Casting Processes Limited, Worcester, GB;
Abstract
A method of controlling the position of liquid metal in a mould cavity comprising the steps of feeding molten metal to the mould cavity, sensing the position of a surface of the metal in the cavity by a managing means responsive to electrical capacitance between sadi surface and a signal plate disposed externally of the liquid metal and adjacent to said surface, controlling the rate at which the molten metal is fed into the cavity in accordance with a control signal produced by said managing means so as to achieve a predetermined filling regime (as herein defined) governed by the position of said surface in the cavity.
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