Vacuum suction device

Details Vacuum suction device Vacuum suction device

1984-11-15

1986-07-01

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

511315, B24B 4700

Patent

active

045972281

ABSTRACT:
A vacuum suction device comprises a vacuum suction plate formed by baking a porous material and having a flat suction face for holding a workpiece by suction; a base abutting on a bottom of the vacuum suction plate for supporting the vacuum suction plate and having a plurality of suction grooves in a part of a surface of the base abutting on the bottom of the suction plate, the suction grooves being coupled to a pipe of the base; an intake device coupled to the pipe of the base; a peripheral member formed of an airtight material for encircling the suction plate; and means for preventing a grinding liquid from getting into the vacuum suction device through the suction grooves. The preventing means prevents reduction in suction force applied by the intake device acting on the workpiece.

REFERENCES:
patent: 4521995 (1985-06-01), Sekiya

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