Molding apparatus with downwardly moving mold tunnel

Details Molding apparatus with downwardly moving mold tunnel Molding apparatus with downwardly moving mold tunnel

B - Operations, Transporting

29

C

B29C 47/12 (2006.01) B29C 33/36 (2006.01) B29C 49/00 (2006.01)

Patent

CA 2301769

A plastic molding apparatus comprises an extruder (3) and a vertically extending mold tunnel (20) formed by mated mold block sections which are moved downwardly through the mold tunnel (20) as part of a continuous looping of the mold block sections around the apparatus. The mold tunnel has an upwardly opening mouth and the extruder (3) feeds a stream of molten plastic (13) downwardly into the mouth of the mold tunnel (20).

L'invention concerne un appareil de moulage de plastique qui comprend une extrudeuse (3) et un tunnel de moulage (20) s'étendant verticalement, constitué de blocs de moulage appariés qui sont déplacés vers le bas à travers un canal de moulage, ce tunnel de moulage (20) constituant une partie d'une boucle continue de blocs de moulage s'étendant autour de l'appareil. Le tunnel de moulage (20) comporte un orifice d'alimentation tourné vers le haut et l'extrudeuse (3) injecte un courant de plastique fondu (13) dans cet orifice d'alimentation, vers le bas.

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