Device for working at a hard material

Details Device for working at a hard material Device for working at a hard material

1989-07-26

1990-08-28

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51429, B24C 700

Patent

active

049514288

ABSTRACT:
A device for working at hard material. The device comprises a container (4) with a sieve (6) where abrasive is sieved under a liquid surface (7). Liquid is supplied to the suction conduit (13) of a low pressure pump (8) for creation of a slurry which is pumped to a pressure vessel (10). This pressure vessel is then pressurized for the feeding of abrasive to a high pressure conduit (2) where the abrasive is mixed with high pressure liquid which is supplied to a nozzle (3) for the creation of a jet stream.

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patent: 4801333 (1989-01-01), Mosell
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