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.:

US 6910521 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 28, 2005

Filed:

Apr. 25, 2003
Applicants:

Hiroshi Nanto, Zama, JP;

Akira Hirahara, Ayase, JP;

Inventors:

Hiroshi Nanto, Zama, JP;

Akira Hirahara, Ayase, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D017/04 ;
U.S. Cl.
CPC ...
Abstract

A molten metal feed apparatus which can feed molten metal into a casting apparatus by opening a vessel and which is free from leakage of the molten metal from the opening/closing part of the vessel, provided with a holding vessel having an opening at its bottom and holding a metal material, a lid for closing the opening, a drive means for making the lid move with respect to the holding vessel to open or close the opening, and an induction heating coil for heating the metal material by induction of a current to the metal material in the holding vessel and generating a magnetic field applying to the molten metal a force preventing leakage of the molten metal in the holding vessel from between the opening and the lid.


Find Patent Forward Citations

Nanto, Hiroshi. (2005). Casting apparatus and molten metal feed apparatus (U.S. Patent No. 6910521). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6910521

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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