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:
Sep. 09, 2003
Filed:
Nov. 06, 2000
Yukio Iimura, Sunto-gun, JP;
Makoto Nishizawa, Numazu, JP;
Kazuhito Kobayashi, Numazu, JP;
Haruyuki Matsubayashi, Numazu, JP;
Nobuyuki Asanuma, Numazu, JP;
Yutaka Yamaguchi, Tagata-gun, JP;
Kiyoshi Sasaki, Mishima, JP;
Yasumasa Sugiyama, Mishima, JP;
Toshiba Kikai Kabushiki Kaisha, Tokyo, JP;
Abstract
A filling step control method of an injection molding machine for filling a molten resin into a die cavity is provided. The control method has the steps of: sampling in initiating the filling step for filling the molten resin into the die cavity by controlling an injection speed and, thereafter, by controlling a filling pressure while not exceeding a predetermined value; storing the injection speed over an entire filling process when a quality product can be stably obtained during the sampling step into a storage medium as a reference waveform; and after storing the reference waveform, molding for filling the molten resin into the die cavity by controlling the injection speed to follow the reference waveform over the entire filling step.