Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Patent
1997-03-27
1999-08-24
Snay, Jeffrey
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
134168R, 134174, B08B 900
Patent
active
059412585
ABSTRACT:
An apparatus for cleaning a disposal chute in a building, the chute having a chute wall, includes a crane and cable assembly; a cleaning fluid spraying assembly suspended from the crane and cable assembly for lowering and raising within the chute; a flexible fluid delivery line suspended from the spraying assembly; and a fluid pump assembly connected to the flexible fluid delivery line. The spraying assembly preferably additionally includes a guide cage having resilient and outwardly bowed vertical support ribs interconnected by lateral support hoops extending substantially parallel to the mounting plate. The apparatus preferably additionally includes at least one cage wheel having an axial wheel port and being rotatably mounted on at least one support hoop for rolling against the chute wall as the spraying assembly is raised and lowered within the chute. A method is provided of cleaning a building disposal chute with the above described apparatus including the steps of securing a cleaning fluid spray head from a cable; lowering and raising the spray head from a crane assembly within a disposal chute; and delivering cleaning fluid to the spray head from the spray head lower end through a fluid line extending downwardly within the chute to a fluid pump assembly.
REFERENCES:
patent: 3994310 (1976-11-01), Brandon
patent: 4071919 (1978-02-01), Fields et al.
patent: 5038810 (1991-08-01), Pacheco et al.
patent: 5444887 (1995-08-01), Rufolo
patent: 5638844 (1997-06-01), Szekeres
Flenniken Charles
Johnston Robert G.
Flenniken Charles
Kubler Frank L.
Snay Jeffrey
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