Heat exchange – With scraper removing product from temperature modifying...
Patent
1979-08-29
1982-02-16
Richter, Sheldon J.
Heat exchange
With scraper removing product from temperature modifying...
165109R, 366335, 422135, F28F 924
Patent
active
043155413
ABSTRACT:
Device for scraping off a deposit from the internal wall surface of an elongated tube of relatively small diameter, comprising a helical coil spring which is installed inside the tube and adapted to be reciprocally movable and/or rotatable, said spring scraping off the deposit from the internal wall surface of the tube.
REFERENCES:
patent: 496757 (1893-05-01), Theisen
patent: 1080408 (1913-12-01), Bahr
patent: 1770208 (1930-07-01), Kemnal
patent: 3384161 (1968-05-01), Malmstrom et al.
patent: 3801286 (1974-04-01), Anolick et al.
Murata Sadao
Numata Tadanobu
Mitsui Toatsu Chemicals Incorporated
Richter Sheldon J.
Toyo Engineering Corporation
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