Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or... – Feed control of material en route to shaping area
Reexamination Certificate
2006-04-28
2008-10-14
Heitbrink, Tim (Department: 1791)
Plastic article or earthenware shaping or treating: apparatus
Control means responsive to or actuated by means sensing or...
Feed control of material en route to shaping area
Reexamination Certificate
active
07435070
ABSTRACT:
When a metering process is started, a screw rotates at a preset rotating speed, thereby carrying out back pressure control to keep the pressure of a resin at a preset pressure, and retreats. When the screw is located near a preset metering completion position, the control mode is switched to positioning control for the preset metering completion position, and a screw rotation stop command is outputted. The screw overruns for some distance before its rotation stops after it retreats and stops at the preset metering completion position. A resin quantity for the overrun is corrected to obtain a preset metered resin quantity by reversely rotating the screw by a rotational amount corresponding to the overrun.
REFERENCES:
patent: 3317962 (1967-05-01), Morse
patent: 4787834 (1988-11-01), Neko
patent: 4832883 (1989-05-01), Kato et al.
patent: 4879077 (1989-11-01), Shimizu et al.
patent: 4887012 (1989-12-01), Kiya et al.
patent: 5002717 (1991-03-01), Taniguchi
patent: 5679384 (1997-10-01), Emoto
patent: 5756037 (1998-05-01), Kitamura
patent: 2001/0053392 (2001-12-01), Suganuma et al.
patent: 198 34 086 (2000-01-01), None
patent: 0 893 227 (1999-01-01), None
patent: 0 965 428 (1999-12-01), None
patent: 1 063 073 (2000-12-01), None
patent: 61-010425 (1986-01-01), None
patent: 64-006931 (1989-01-01), None
patent: 02-147312 (1990-06-01), None
patent: 09-029794 (1997-02-01), None
patent: 10-016016 (1998-01-01), None
patent: 11-240052 (1999-09-01), None
European Search Report in corresponding EP Patent Application No. 03257052.5—2307 dated Mar. 21, 2006.
Asaoka Hiroyasu
Ishikuro Toshio
Shiraishi Wataru
Takatsugi Satoshi
Fanuc Ltd.
Heitbrink Tim
Staas & Halsey , LLP
LandOfFree
Control apparatus for injection molding machine does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Control apparatus for injection molding machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Control apparatus for injection molding machine will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4009723