Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Patent
1995-05-01
1996-03-19
Flanigan, Allen J.
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
134 24, 134167C, 134 8, 134 2212, 165 95, F28G 900, B08B 302
Patent
active
054996392
ABSTRACT:
An apparatus and method for cleaning the tubes of a heat exchanger of a type having at least one header that defines a manifold chamber having a plurality of tubes extending therefrom, the tubes and the header defining tube openings to provide open communication between the tubes and the manifold chamber, the tube openings defining a peripheral seating surface, there being bores in the header, respective ones of which are in register with respective ones of the tube openings, the apparatus comprising a tubular member having a first end and a second end, the tubular member being dimensioned such that the first end can be received through at least one of the bores, a force transmitting lever assembly connected to the tubular member and operatively connected to the header whereby the tubular member can be urged toward the seating surface of a tube opening in register with a bore through which the tubular member is received, there being a seal formed between the tubular member and the seating surface.
REFERENCES:
patent: 1893979 (1933-01-01), Barrere
patent: 4422822 (1983-12-01), Nelson et al.
patent: 4750547 (1988-06-01), Sakamoto
patent: 5072788 (1991-12-01), Goodwin et al.
patent: 5423917 (1995-06-01), Garcia, Jr.
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