Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Reexamination Certificate
2007-08-20
2011-11-01
Barr, Michael (Department: 1711)
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
C134S022110, C134S024000, C134S16700R
Reexamination Certificate
active
08048234
ABSTRACT:
The invention relates to a method of cleaning a pipe (12) by action of a fluid under very high pressure. It is characterised in that the fluid under very high pressure is caused to pass in a flexible tube (14); said tube is subjected to the action of motorisation means (5) for longitudinal advance, and means for driving the tube (14) in rotation around its longitudinal axis; these motorisation means (50) are regulated by management means (48) and rotation detection means (47) and/or pinpointing longitudinal advance, and these means of driving in rotation; the tube (14) is guided near the entrance of the pipe (12). The invention also relates to a device for implementing this method.
REFERENCES:
patent: RE26659 (1969-09-01), Siegal
patent: 6626195 (2003-09-01), Garman et al.
patent: 124424 (1901-10-01), None
patent: 8415401.2 (1993-04-01), None
patent: 2643291 (1990-08-01), None
patent: 02/059538 (2002-08-01), None
patent: WO 02059538 (2002-08-01), None
patent: 2005/032725 (2005-04-01), None
International Search Report of PCT/FR2007/051833.
Application Lorraine des Techniques Nouvelles - Technilor SAS
Barr Michael
Dennis Caitlin N
Westerman Hattori Daniels & Adrian LLP
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