Wiper cartridge

Details Wiper cartridge Wiper cartridge

1994-10-14

1996-03-26

Walsh, Donald P.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

With means applying electromagnetic wave energy or...

250432R, 250436, B01J 1908, B01J 1912

Patent

active

055018432

ABSTRACT:
A replaceable wiper cartridge is described which is held captive within a shuttling scraper of a type known in the art which is pushed axially through a cylindrical reaction chamber intermittently to remove reaction products from the inside surface of the reaction chamber and from the outside surface of a smaller coaxial tube that extends the length of the reaction chamber. The replaceable wiper cartridge has an annular shape that is obliquely cut to permit a slight radial expansion to accommodate the smaller coaxial tube and to engage it in a tight sliding grip so as to scrape from the smaller tube any deposits.

REFERENCES:
patent: 2072417 (1937-03-01), Berndt et al.
patent: 3061721 (1962-10-01), Brenner
patent: 3462597 (1969-08-01), Young
patent: 3904363 (1975-09-01), Free
patent: 4002918 (1977-01-01), Graentzel
patent: 4151085 (1979-04-01), Malik
patent: 4897246 (1990-01-01), Peterson
patent: 4922114 (1990-05-01), Boehme
patent: 5037618 (1991-08-01), Hagar
patent: 5133945 (1992-07-01), Hallett
patent: 5227140 (1993-07-01), Hagar et al.

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