EP 0703877 A4 19961218 - CONTROL SYSTEM FOR GLASS BENDING PLATEN
Title (en)
CONTROL SYSTEM FOR GLASS BENDING PLATEN
Title (de)
REGELVORRICHTUNG FÜR PRESS ZUM BIEGEN VON GLASSCHEIBEN
Title (fr)
SYSTEME DE COMMANDE POUR PLATEAU DE CINTRAGE DE VERRE
Publication
Application
Priority
- US 9504434 W 19950412
- US 22812194 A 19940415
- US 39837995 A 19950303
Abstract (en)
[origin: WO9528360A1] A closed loop control system for a hydraulically actuated glass sheet press bending platen (74). Flow of fluid supplied to the cylinder (100) operating the press platen (74) is controlled through a servo solenoid valve (112). A linear motion transducer (120) is associated with the platen (74) and sends appropriate signals to a programmable motion controller (134). The motion controller (134) controls a position module (140) operatively coupled to the servo solenoid valve (112) which regulates the flow of hydraulic fluid from a pump (104) to the cylinder (100). The motion controller (134) utilizes data from the linear motion transducer (120) for making necessary corrections to insure that the platen (74) cycles precisely in accordance with a predetermined program. In a second embodiment of the invention, the closed loop control system for the hydraulically operated platen (74) is combined with a precision control of a variable speed glass sheet conveyor means for improved registry of the glass sheet (S) being bent with the platen member (74).
IPC 1-7
IPC 8 full level
C03B 23/03 (2006.01)
CPC (source: EP)
C03B 23/03 (2013.01)
Citation (search report)
- No further relevant documents disclosed
- See references of WO 9528360A1
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE
DOCDB simple family (publication)
WO 9528360 A1 19951026; AU 2284295 A 19951110; BR 9506191 A 19960416; CA 2164822 A1 19951026; CN 1128981 A 19960814; EP 0703877 A1 19960403; EP 0703877 A4 19961218; FI 955967 A0 19951213; FI 955967 A 19951213; JP H08512278 A 19961224; PL 312256 A1 19960401
DOCDB simple family (application)
US 9504434 W 19950412; AU 2284295 A 19950412; BR 9506191 A 19950412; CA 2164822 A 19950412; CN 95190472 A 19950412; EP 95916296 A 19950412; FI 955967 A 19951213; JP 52704495 A 19950412; PL 31225695 A 19950412