Solid material comminution or disintegration – Apparatus – Comminuting surface provided with openings to permit...
Patent
1978-09-11
1980-07-15
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Comminuting surface provided with openings to permit...
241100, 2411691, 2411692, 241258, B02C 700
Patent
active
042124301
ABSTRACT:
A hand-held pulverizer which is compact and efficient to use is provided to pulverize or grind a material. A cover is removably attached to a hollow cylindrical casing containing a mesh screen. A grinder disc is securely affixed to one end of a shaft rotatably mounted in the cover and is in frictional contact with the mesh screen. A handle attached to the shaft above the cover permits the shaft and disc to be rotated, grinding or pulverizing the material placed on the screen beneath the disc. A collecting plate attached to the bottom of the cylindrical casing receives the pulverized material falling through the screen.
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patent: 3633834 (1972-01-01), Nissen
Dale John D.
Knotter David G.
Deering Precision Instruments Co.
Rosenbaum Mark
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