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:
Aug. 15, 2000
Filed:
Aug. 13, 1998
Applicant:
Inventors:
Toshiyasu Koda, Sakakimachi, JP;
Masashi Suganuma, Sakakimachi, JP;
Takahiro Kobayashi, Sakakimachi, JP;
Mamoru Miyagawa, Sakakimachi, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
2643281 ; 425590 ; 4254512 ;
Abstract
A mold clamping method for a straight hydraulic mold clamping apparatus, wherein supply of mold clamping oil to the rear oil chamber of the mold clamping cylinder starts immediately before completion of slowing down of the mold closing process using rapid-moving cylinders, and raising the mold clamping force successively starts simultaneously with completion of the mold closing.