Cleaning and liquid contact with solids – Apparatus – For work having hollows or passages
Patent
1991-08-26
1993-02-09
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
For work having hollows or passages
134172, 134198, 122379, B08B 302
Patent
active
051846365
ABSTRACT:
Cleaning lance device for cleaning pipe bundles of heat exchangers comprising a frame, an elongate guiding carried by the frame, a hose drum rotatably mounted on the frame close to a rear end of the guiding, a high pressure hose which is connected at one end to the hose drum and which carries at its other end a coupling element co-acting with the guiding and movable therealong, a bundle of spray lances which are connected to the coupling element in the line of the hose and which carry spray heads at their free end, and drive means for driving the hose drum in the unwinding and winding sense, for unwinding the hose from the hose drum and winding it thereon respectively and for driving the coupling element synchronously therewith along the guiding at least during unwinding, such that therein the portion of the hose extending between the coupling element and the hose drum is substatially free of tensile and pressure loads in lengthwise direction.
REFERENCES:
patent: 2595655 (1952-05-01), Hannay
patent: 2742242 (1956-04-01), Goodwin
patent: 3866679 (1975-02-01), Laky
patent: 4042305 (1977-08-01), Vincent
patent: 5002120 (1991-03-01), Boisture et al.
Stinson Frankie L.
Zovko Mark
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