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:
Jan. 06, 1987
Filed:
Nov. 09, 1983
Applicant:
Inventors:
Nagato Uzaki, Toyohashi, JP;
Shigeru Itoh, Aichi, JP;
Ryoji Kanayama, Toyokawa, JP;
Hisashi Harada, Toyokawa, JP;
Yasutaro Kawamura, Okazaki, JP;
Assignee:
Sintokogio Ltd., Nagoya, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D / ;
U.S. Cl.
CPC ...
164 19 ; 164 37 ;
Abstract
An apparatus and method for making cores from green sand continuously and automatically. The method comprises blowing the green sand together with compressed air into a die cavity formed by a pair of dies, stabbing the green sand filled in the die cavity by stabbing rods to compact the green sand thereby to form a core, and applying a surface stabilizing agent to the surface of the core taken out from the dies, followed by drying of the core. Disclosed also is an apparatus suitable for carrying out this method.