Sealing device for an extruder

Details Sealing device for an extruder Sealing device for an extruder

B - Operations, Transporting

21

C

B21C 23/21 (2006.01) B21C 27/04 (2006.01)

Patent

CA 2099256

2099256 9311887 PCTABS00022 A device on an extruder for the evacuation of air, consisting of a cylinder (1) with a die mounted at one end, the outlet, and a piston (2) designed to move from a position outside the other end, the inlet, to a position inside the cylinder. At the inlet, a separate sealing device (11) is mounted which accompanies the piston when it is retracted from the cylinder. The sealing device consists of a casing (4) with sealing rings (8, 9) mounted on the piston/piston rod (2, 3).

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