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. 24, 1977
Filed:
Jun. 27, 1975
Applicant:
Inventor:
Masaru Takashima, Komae, JA;
Assignee:
Aikoh Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
249204 ; 164 53 ; 249106 ;
Abstract
A moulding for the heat retention of feeder head top surface in casting molten metals is based on a mixture consisting of charcoal and a binder, and said charcoal is laminated with directional properties in the laterial direction. If circumstances require, the moulding may contain at least one component selected from the group consisting of thermo-expansible materials, organic binders and organic fibrous materials, and further when occasion demands it may be coated with a shell containing fibrous materials and a binder.