Sandblasting valving device

Details Sandblasting valving device Sandblasting valving device

1989-07-24

1990-08-14

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51439, 251228, 251357, B24C 302

Patent

active

049475894

ABSTRACT:
An improvement in a valving device used to dispense and control a high velocity stream of abrasive granular material intrained in a fluid stream. The valving device defines a gun configuration having a handle trigger and a movable valve element pivotally mounted to the trigger and a nozzle. The valve element is a resilient member that is advanced into sealing relation with the nozzle.

REFERENCES:
patent: 2054517 (1936-09-01), Moll
patent: 2099847 (1937-11-01), Gebauer et al.
patent: 3618263 (1971-11-01), Weijsenburg
patent: 4269359 (1981-05-01), Neiss
patent: 4595130 (1986-06-01), Berney
patent: 4675020 (1987-06-01), McPhee
patent: 4688143 (1987-08-01), Beard

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