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:
Dec. 31, 1985
Filed:
Nov. 09, 1983
Applicant:
Inventors:
Nagato Uzaki, Toyohashi, JP;
Yasutaro Kawamura, Okazaki, JP;
Ryoji Kanayama, Toyokawa, JP;
Hisashi Harada, Toyokawa, JP;
Assignee:
Sintokogio Ltd., Nagoya, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C / ;
U.S. Cl.
CPC ...
164201 ;
Abstract
A core making machine for making a hollow core from green sand, capable of automatically performing a series of core making operation which has the steps of blowing the green sand into a horizontally split type die means from an opening formed in one side of the die means together with air to fill the die cavity, forcibly stabbing the green sand in the die cavity by a stabbing rod to compact and harden the green sand and extracting the rod thereby to form a hollow core, and taking out the thus made core from the die means after it has been splited.