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. 25, 1979
Filed:
Oct. 11, 1977
Richard Deshais, Paris, FR;
Pierre Vaury, Clamart, FR;
Novatome Industries, Le Plessis Robinson, FR;
Abstract
In the feeding of molten metal from a container therefor, e.g., a storage basin, a furnace or a crucible, to a chamber, e.g., an injection cylinder or a dispensing chamber, having an electromagnetic pump partially immersed in the container, the outlet of the pump being connected by a feedline to the chamber, the molten metal is metered by apparatus comprising a detachable ascending control pipeline connected to the feed pipeline, an electromagnetic presence detector arranged to detect molten metal in the control pipeline at the level of the filling height of the chamber, and a progressive voltage generator connected in series with the electrical circuit of the pump and including a starter circuit and a stop circuit to which the presence detector is connected.