Patent ID: 6106271
Filing Date: 2000-08-22
Classification: B22D,B29C

Abstract:
Arrangement for a two stage ejector for an injection moulding tool comprising a piston cylinder arrangement with piston cylinder elements arranged and constructed for axial displacement relative to one another in separate stages for the actuation of separately moving ejector plates having the front plate attached to a piston arranged and constructed for detachable attachment to a sleeve accommodating said piston via radially moving coupling segments, and accommodating body for the coupling segments is disposed inside the sleeve, which is attached to the rear plate via threaded connections, and is fixed to the front plate via radial wings arranged and constructed for movement along the sleeve in matching recesses along the rear part of the sleeve, the fixing wings, which are securely attached to the body in the sleeve, exhibit a widening form when viewed radially outwards from said body, the fixing wings being curved along their outside, and exhibiting essentially parallel side parts at the outer part of the wings.