Packing pulverizer

Details Packing pulverizer Packing pulverizer

1979-03-26

1981-08-18

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Rotating comminuting surface

2411691, B02C 1900

Patent

active

042842484

ABSTRACT:
A packing pulverizer device for removing packing from cup-shaped packing glands having a valve stem passing therethrough. The pulverizer device is particularly adapted for use in valve stems confined inside yokes where the ends are difficult to obtain access. The device is comprised of a semi-cylindrical housing which can be opened and clamped loosely about the valve stem. The device has comminuting means at the bottom adapted to grind up and comminute old packing within the cup-shaped gland. Spiral flute means are provided on the exterior to remove the comminuted material. The device is provided with a handle for manual rotation and grinding and also a gear train means which can be employed for connection to a prime moving source.

REFERENCES:
patent: 277966 (1883-05-01), Whiteside
patent: 531546 (1894-12-01), Matthews
patent: 1484352 (1924-02-01), Izard
patent: 2400160 (1946-05-01), Mizell
patent: 2700995 (1955-02-01), Ritter
patent: 3122969 (1964-03-01), Shames et al.
patent: 3634981 (1972-01-01), Connor
patent: 3923259 (1975-12-01), Gorsha

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