Braided strainer for a draw line

Liquid purification or separation – Filter – Supported – shaped or superimposed formed mediums

Reexamination Certificate

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C029S896610, C029S896620, C029S905000, C210S497010, C210S499000, C210S505000

Reexamination Certificate

active

06978900

ABSTRACT:
A braided strainer for a draw line, and method of forming same. The strainer comprises a frame in the form of a pair of spaced planar plates, one being a solid end plate and the other having a control aperture. A plurality of spaced, parallel rods of similar length are positioned near the peripheries of the plates and secured and extending between the plates. A plurality of cylindrical walls of braided strands of strainer medium, are provided, the braided cylindrical walls having similarly spaced rod-receiving holes extending longitudinally in spaced fashion through the strands of strainer medium. These walls are contiguously stacked on the plates to extend between them. The plate having the central aperture permits flow of fluid drawn through the cylindrical walls during operation of the strainer. That plate has associated with it a connector to releasably secure the strainer to a mating connector on a free end of the draw line.

REFERENCES:
patent: 2537217 (1951-01-01), Farr
patent: 2679090 (1954-05-01), Farr
patent: 4882056 (1989-11-01), Degen et al.
patent: 5453116 (1995-09-01), Fischer et al.
patent: 5647128 (1997-07-01), Aikawa
patent: 5804075 (1998-09-01), Aikawa
patent: 5968357 (1999-10-01), Doelle et al.
patent: 2 318 305 (1998-04-01), None

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