Methods of making self filtering nozzles

Details Methods of making self filtering nozzles Methods of making self filtering nozzles

1974-07-31

1976-05-11

Bashore, S. Leon

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

65 61, 65108, 210460, C03B 2320, C03B 1900, C03B 2100, B01D 2300

Patent

active

039559530

ABSTRACT:
One end of a glass tube is packed with glass powder of a predetermined size. The combination is then sintered to produce a filter within the tube. The resultant tube and filter are thoroughly washed in the direction toward the other end of the tube. The other end of the glass tube is melted to form a restriction to the flow fluid. The other end of the tube is then ground down until a microscopic orifice appears. The resultant structure is a self filtering nozzle of an exceedingly small diameter with a very low propensity to clog.

REFERENCES:
patent: 1669362 (1928-05-01), Watson
patent: 2114748 (1938-04-01), Prausnitz
patent: 2136170 (1938-11-01), Luertzing
patent: 2149133 (1938-02-01), Cohn
patent: 2925370 (1960-02-01), Rohrer
patent: 3393988 (1968-07-01), Blumenthal
patent: 3414394 (1968-12-01), Poad

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