Shot control valves

Details Shot control valves Shot control valves

1974-08-12

1976-01-06

Kelly, Donald G.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

B24C 700

Patent

active

039303403

ABSTRACT:
A valve member for abrasive blasting machine in which the valve member is formed of a valve plate of magnetic material sandwiched between plates of larger dimension than the magnetic plate but of lesser dimension that the passage through which the abrasive material passes from the supply source to the blasting wheel whereby the annular space between the valve member and the inner walls of the passage becomes filled with abrasive material attracted to the valve member in closed position to close the passage.

REFERENCES:
patent: 1443762 (1923-01-01), Smith
patent: 2365948 (1944-12-01), Gossard
patent: 3521407 (1970-07-01), Nalley
patent: 3629976 (1971-12-01), Carpenter
patent: 3675374 (1972-07-01), Wilder

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