HYDRAULIC CLOSING UNIT

A hydraulic closing unit has a ring-shaped hydraulic cylinder that generates a closing force, a locking bushing, an assisted drive for swivelling the locking bushing from a first angular position to a second angular position, and a pressure bar that extends through the hydraulic cylinder and the loc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MAILLIET, PIERRE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES PERFORMING OPERATIONS POWDER METALLURGY SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A hydraulic closing unit has a ring-shaped hydraulic cylinder that generates a closing force, a locking bushing, an assisted drive for swivelling the locking bushing from a first angular position to a second angular position, and a pressure bar that extends through the hydraulic cylinder and the locking bushing in the axial direction. Outer teeth on the pressure bar and inner teeth in the locking bushing allow the pressure bar to be axially pushed through the locking bushing in the first angular position of the locking bushing, and an axial force to be transmitted in the second angular position of the locking bushing. The hydraulic cylinder is designed as a double action, ring-shaped compression cylinder. The piston of the hydraulic cylinder is secured against rotation and screwed by a rotary thread into the rotary locking bushing.