Apparatus for conveying and separating loose material

Details Apparatus for conveying and separating loose material Apparatus for conveying and separating loose material

1976-07-19

1978-06-13

Crowder, Clifford D.

Mining or in situ disintegration of hard material

With separation of materials

Material mined or excavated underwater

37 58, 37 72, 138114, 242 865R, 277 3, 277 15, 277 91, 277212R, 285 11, 285302, E02F 388, E02F 700

Patent

active

040945480

ABSTRACT:
Conveying apparatus for sand, gravel and the like comprises a conveying head at the lower end of a lower pipe portion sealed to and displaceable telescopically relative to an upper pipe portion which is not longitudinally displaceable. An annular interspace between the pipe portions is filled with a pressurized sealing medium. The upper end of the upper pipe portion discharges via an impingement head into a horizontal classifying drum.

REFERENCES:
patent: 716173 (1902-12-01), Bates
patent: 925079 (1909-06-01), Carlesimo
patent: 2801479 (1957-08-01), Braver
patent: 3153451 (1964-10-01), Chancellor et al.
patent: 3353851 (1967-11-01), Vincent
patent: 3429588 (1969-02-01), Nelson
patent: 3443845 (1969-05-01), Walchle et al.
patent: 3748760 (1973-07-01), Schnell

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