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:
Jun. 14, 1994
Filed:
Feb. 21, 1992
Applicant:
Inventors:
Takashi Kato, Shizuoka, JP;
Masami Yamamoto, Shizuoka, JP;
Masaru Kurebayashi, Shizuoka, JP;
Masaaki Uruma, Shizuoka, JP;
Hisao Totsuka, Shizuoka, JP;
Assignee:
Asahi Katantetsu Kabushiki Kaisha, Shizuoka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C / ; B22D / ;
U.S. Cl.
CPC ...
164305 ; 164133 ; 164308 ; 164410 ;
Abstract
A casting mold has a main body provided with a vent hole opened up in a casting space of said main body. The improvement is characterized in that the vent hole is provided with air discharging means and air feeding means which are disposed at the vent hole and the air discharging means and air feeding means are suitably selected so that air within the casting space can be discharged and a pressurized air can be fed toward the casting space through the vent hole.