D - Textiles – Paper – 21 – J
Patent
D - Textiles, Paper
21
J
92/27.3
D21J 1/00 (2006.01) D21J 5/00 (2006.01)
Patent
CA 1307969
ABSTRACT An improved moulding machine for moulding fibrous material such as wood pulp to form fully finished moulded items comprises an input carrier and a finishing carrier each mounted for continuous synchronized movement along an endless path. Input moulds are mounted on the input carrier. Finishing moulds are mounted on the finishing carrier. Transfer moulds are provided and each has a transfer mould face adapted to cooperate with the input mould face of the input moulds and the finishing mould face of the finishing moulds to form mould cavities therebetween in use. Each transfer mould has an axis of rotation about which it is rotatable to reorient its transfer mould face with respect to the input and finishing mould faces as required in use. A transporting system is provided for transporting the transfer moulds along an endless path which forms an enclosure within which the finishing carrier is located. The transfer systems comprise a first mould transport and reorienting system arranged between the input carrier and the finishing carrier to cause each transfer mould to rotate about its axis of rotation through 180 degrees from a first orientation in which the transfer mould face is directed outwardly of the enclosure when in engagement with the input mould carrier to a second orientation in which the transfer mould face is directed inwardly of the enclosure when in engagement with the finishing mould carrier when transferring a moulded item from the input carrier to the finishing carrier, and a second mould transport and reorienting system arranged between the finishing carrier and the input carrier to cause each transfer mould to rotate about its axis of rotation through 180 degrees from said second orientation to a third orientation in which the transfer mould face is directed outwardly of the enclosure so as to be correctly oriented for re-engagement with the input moulds of the input carrier.
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