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:
May. 26, 1987
Filed:
Dec. 24, 1985
Applicant:
Inventors:
Takumi Nishio, Toyota, JP;
Takahiro Katayose, Kariya, JP;
Assignee:
Toshiba Ceramics Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
222591 ; 1063 / ; 427189 ; 427190 ; 427193 ; 427201 ; 428403 ; 428404 ; 428407 ; 428323 ; 428328 ; 428212 ;
Abstract
A filler material for filling an outlet aperture of a casting ladle or similar container, comprising a particulate core principally composed of quartz and a coating layer which covers a surface of the core, the coating layer having a multiplicity of fine particles principally made of at least one material selected from materials of feldspar group can be surely taken off from the outlet aperture of a casting ladle or other similar container to allow substantially complete opening of the aperture when the slide gate is opened.