B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 41/04 (2006.01) B29C 41/36 (2006.01) B29C 70/02 (2006.01)
Patent
CA 2096015
In order to eliminate material distribution inaccuracies, which are inevitable when tubes are centrifugally cast with known devices, a new process and plant are disclosed. The plane has at least two cylindrical centrifuging drums (1) that serve as matrices and an injection carriage (12), provided with a charging arm (11), movable in two mutually perpendicular directions. The novelty of the invention consists of mounting the carriage on a frame (9) movable in a transverse direction to the axis of the matrix (10), on the bottom (8) of tire housing; and the carriage can move on the frame transversely to the travelling direction of the latter. The carriage has a sand working silo (13) of relatively small volume linked by a first hope (19) to a large silo (20) out of which it is practically continuously refilled by pneumatic transport. Both silos are provided with weight measurement cells connected with a calculating, and controlling device (30) which controls the supply of sand, resin and glass fibers according to a programme that is specific for each tube design.
Jost Ralf
Ratheiser Reinhart
Fetherstonhaugh & Co.
Hobas Engineering Ag
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