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:
Sep. 01, 1987

Filed:

May. 21, 1985
Applicant:
Inventor:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
164312 ; 164342 ; 425574 ; 425586 ;
Abstract

A molten metal pouring device of the type having a stationary cover die and a movable rejector die which, when joined and held securely together in the horizontal direction, define a die cavity, a reduced-diameter restricted portion in communication with the bottom of the die cavity and an enlarged-diameter vertical bore in communication with the lower end of the reduced-diameter restricted portion; a vertical pouring sleeve for containing molten metal to be forced into the die cavity; and a plunger capable of vertically reciprocating in the vertical pouring sleeve to force the molten metal into said die cavity, characterized in that a stepped portion is formed in the inner wall surface surrounding the vertical bore.


Find Patent Forward Citations

Dannoura, Sadayuki. (1987). Molten metal pouring device (U.S. Patent No. 4690197). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4690197

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

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