Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1978-04-20
1980-10-07
Smith, James G.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51273, E05F 1300
Patent
active
042260540
ABSTRACT:
A particle collector for intercepting and collecting small particles dislodged during grinding operations utilizes a vacuum unit to trap particles within a collection bag. Uniquely formed intake nozzles provide effective particle pickup for both bench-type and hand-held grinding units. The nozzles may be interchanged without requiring the use of tools, and the collector may thus be conveniently switched from a bench-type grinder to a hand-held grinder.
The vacuum source is portable and housed in a cabinet uniquely designed for quiet operation and even airflow. Particles are collected in a reusable bag and may be processed to recover precious substances. The nozzle designed for use with bench-type grinders may be horizontally or vertically positioned, as required by work space limitations.
REFERENCES:
patent: 1890675 (1932-12-01), Doerr et al.
patent: 2347334 (1944-04-01), Schmieg
patent: 2773337 (1956-12-01), DeMarchi
patent: 3126021 (1964-03-01), May
patent: 3525183 (1970-08-01), Gargrave
patent: 4047913 (1977-09-01), Okumura
patent: 4124956 (1978-11-01), Levinson
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