Cutter hub with replaceable knife blades for underwater pelletiz

Details Cutter hub with replaceable knife blades for underwater pelletiz Cutter hub with replaceable knife blades for underwater pelletiz

1979-04-27

1981-02-17

Thurlow, Jeffery R.

Plastic article or earthenware shaping or treating: apparatus

Immersed shaping orifice discharging directly into liquid...

83675, 264142, 425196, 425311, 425313, B29C 1714

Patent

active

042511984

ABSTRACT:
A cutter hub for use in an underwater pelletizer such as disclosed in U.S. Pat. No. 4,123,207, issued Oct. 31, 1978, which includes a replaceable, double or single edged blade attached to each arm of the hub with a major portion of the length of the blade being attached to and supported by the arm on the hub thereby resulting in less axial deflection with increased cutting pressure, since the rigid hub arm carries the rotational stress without deflection of the critical blade cutting surface. This arrangement produces higher quality pellets, fewer knife adjustments, reduces the radial wear pattern on the pellet die plate, permits the use of thinner, less costly blades and permits the use of single edged or double-edged blade with a useable second side.

REFERENCES:
patent: 1027537 (1912-05-01), Haldeman
patent: 1525025 (1925-02-01), Dahl et al.
patent: 2739647 (1956-03-01), Coste
patent: 3292212 (1966-12-01), Pomper
patent: 3333298 (1967-08-01), List et al.
patent: 3337913 (1967-08-01), List
patent: 3792950 (1974-02-01), Cuff
patent: 3831482 (1974-08-01), Eichler et al.
patent: 4123207 (1978-10-01), Dudley

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