Method and apparatus for changing diaphragm in a pressure cell type press

The press has a compression chamber, comprising a diaphragm (9,10) in a housing in a pressing board (8), constituting the upper wall of a work chamber, and held by lateral supports (12,13), each made in two superposed parts extending the length of the press. At each end of the press is an actuator w...

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Bibliographische Detailangaben
1. Verfasser:	VAN KONINCKXLOO-VAN BEVER, THIERRY
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PRESSES PRESSES IN GENERAL PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	The press has a compression chamber, comprising a diaphragm (9,10) in a housing in a pressing board (8), constituting the upper wall of a work chamber, and held by lateral supports (12,13), each made in two superposed parts extending the length of the press. At each end of the press is an actuator whose piston rod is connected to an end face of the supports upper movable part. These actuators (22) displace the upper part of each support towards the inside of the press and towards the bottom and allow disengagement of the diaphragm from the housing in the press board. Selon l'invention, les pièces d'appui latérales du diaphragme (9, 10) sont réalisées en deux parties superposées, et un moyen (22) est prévu pour déplacer la partie supérieure (12, 13) de chaque pièce d'appui latérale en translation vers l'intérieur de la presse et vers le bas, de façon à permettre le dégagement du diaphragme (9, 10) du logement dans le plateau de presse (8); un organe gonflable (32) peut être prévu pour faciliter l'évacuation du fluide de pression avant démontage du diaphragme.