Device for feeding strands of molten synthetic material that...

B - Operations – Transporting – 29 – B

Patent

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Details

B29B 9/06 (2006.01) B29C 47/34 (2006.01)

Patent

CA 2349286

The invention relates to a device for feeding strands of molten synthetic material (21, 22, 23, 24) that are issued from nozzles (20) to a discharge chute (1). The inventive device comprises a cooling water feed (7) downstream of the nozzles, the nozzles being arranged in at least two rows (14, 15, 16, 17, 18, 19) in such a manner that in the direction of discharge alternately strands of the one and then of the other row are guided in parallel and at a distance to one another. Between the nozzles (20) and the discharge chute (1) two superimposed collectors (2, 4) are interposed in such a manner that the strands (21, 22, 23, 24) issued from a row (14, 15, 16, 17, 18, 19) of nozzles are fed as one group to the discharge chute (1) via a collector (2, 4). The individual strands (21, 22, 23, 24) of both groups alternately meet the discharge chute (1) one beside the other in a comb-like position and are transported by said discharge chute.

La présente invention concerne un dispositif servant à l'acheminement de boudins de matière synthétique en fusion (21, 22, 23, 24) sortant de filières (20), jusqu'à un conduit de coulée (1), comportant une arrivée d'eau froide (7) située en aval des filières, les filières se trouvant sur au moins deux rangées (14, 15, 16, 17, 18, 19) de sorte que des boudins voisins alimentent par intermittence dans le sens de l'écoulement l'une ou l'autre des rangées de filières à distance l'une de l'autre. Entre les filières (20) et le conduit d'écoulement (1) sont intercalés deux conduits collecteurs superposés (2, 4) de sorte que les boudins (21, 22, 23, 24) sortant d'une rangée (14, 15, 16, 17, 18, 19) de filières sont acheminés respectivement jusqu'au conduit de coulée (1) sous forme de groupes au-dessus d'un conduit collecteur (2, 4), les boudins individuels (21, 22, 23, 24) faisant partie des groupes alimentent le conduit de coulée (1) par intermittence les uns à côté des autres dans une position en forme peigne, puis sont acheminés par ledit conduit de coulée.

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