Process for cleaning pipe lines

Details Process for cleaning pipe lines Process for cleaning pipe lines

1994-10-25

1996-09-03

El-Arini, Zeinab

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 2218, 134 24, 134 23, 134167C, 134172, 134179, B08B 900, B08B 902, B08B 904, B08B 502

Patent

active

055514588

ABSTRACT:
A process for cleaning pipelines and especially ventilation pipes and ducts in buildings, and includes a nozzle connected to a supply conduit through which a pressurized medium can flow. The arrangement includes a nozzle opening directed forward away from the supply conduit. The nozzle opening is in the form of a large continuous annular gap which extends along the periphery of the nozzle and is connected to the supply conduit and the source of a pressurized medium. The gap directs the medium toward the inner walls of the pipe or duct and effects a cleaning of the inner walls. The nozzle is moved into the pipe or duct by moving a rigid supply conduit.

REFERENCES:
patent: 1587194 (1926-06-01), Sladden
patent: 2350929 (1944-06-01), Ridley
patent: 4841999 (1989-06-01), Danko
patent: 5003998 (1991-04-01), Collett
patent: 5296038 (1994-03-01), Faxon

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