B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 35/02 (2006.01) B21H 1/00 (2006.01)
Patent
CA 2188743
Tubular filtering apparatus and a method of manufacturing the same. Firstly, providing at least two pipes of differing diameters which are capable of co-axial telescopic nesting. Secondly, cutting a plurality of apertures in each of the pipes. Thirdly, nesting the pipes telescopically with the apertures in the respective pipes partially out of alignment to create a plurality of resultant apertures that are smaller than the apertures in any one of the pipes. Fourthly, securing the pipes against relative movement. This method was developed to enable a tubular filtering apparatus to be fabricated using existing cutting equipment with apertures as small as two thousandths of an inch.
Geneva Well Service Limited
Potter Jimmy Nelson
Thompson Douglas B.
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