Handheld apparatus for propelling particulate matter against a s

Details Handheld apparatus for propelling particulate matter against a s Handheld apparatus for propelling particulate matter against a s

1995-08-21

1998-11-24

Rose, Robert A.

Abrading

Machine

Sandblast

451 99, B24C 700

Patent

active

058399461

ABSTRACT:
A disposable apparatus for propelling particulate matter against a surface of a target material includes, a mixing chamber having a chamber wall and a gas receiving port in the chamber wall in fluid communication with the compressed gas source and having a mixture discharge port in the chamber wall, a gas delivery conduit extending from the gas receiving port into the chamber, a mixture discharge conduit extending from the mixture discharge port into the chamber, and a quantity of particulate matter inside the chamber. A method is provided for propelling particulate matter against a surface of a target material using the above-described apparatus, including the steps of delivering a stream of gas into the air delivery conduit and into the mixing chamber from the gas source, so that the gas stream blows through the quantity of particulate matter, causing the particulate matter to mix with the gas stream, forming a gas and particle mixture, and discharging the mixture through the discharge conduit and the discharge port to strike the surface of the target material.

REFERENCES:
patent: 2133149 (1938-10-01), Poncelet
patent: 2441441 (1948-05-01), Paasche
patent: 2577465 (1951-12-01), Jones et al.
patent: 2641087 (1953-06-01), Greiser
patent: 2696669 (1954-12-01), Ikse
patent: 2725684 (1955-12-01), Crowe
patent: 2744361 (1956-05-01), Larson et al.
patent: 3164153 (1965-01-01), Zorzi
patent: 3631631 (1972-01-01), Greenstein
patent: 4369607 (1983-01-01), Bruggeman et al.
patent: 4475370 (1984-10-01), Stark et al.
patent: 4941298 (1990-07-01), Fernwood et al.

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