Machine for processing plastics materials

Details Machine for processing plastics materials Machine for processing plastics materials

1978-11-03

1980-05-13

Hornsby, Harvey C.

Agitating

Rubber or heavy plastic working

Stirrer is through-pass screw conveyor

366318, 198666, B29B 106, B01F 708

Patent

active

042026334

ABSTRACT:
A machine for processing plastics materials having a screw mounted in a housing and made up of a plurality of screw members in the form of collars on a drive shaft, whereby screw members to suit a particular material treatment are secured against rotation on the drive shaft and can be exchanged when required for other screw members, the machine including a thrust arrangement to press the screw members axially into close engagement with one another, the thrust arrangement comprising a divided thrust ring axially supported on the drive shaft at least at one of the end zones thereof, thrust or draw bolts, which act on the adjacent end surface of the adjacent outermost one of the screw members or on a frontal surface of a guide ring bearing against the outermost one of the screw members, and a sleeve closely surrounding the periphery of the divided thrust ring.

REFERENCES:
patent: 1101142 (1914-06-01), Mueller
patent: 1484945 (1924-02-01), Hill
patent: 3458894 (1969-08-01), Wheeler
patent: 3814563 (1974-06-01), Slaby
patent: 3884451 (1975-05-01), Stenmark

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