Liquid purification or separation – Structural installation – Grated inlet surface drain
Patent
1994-04-28
1995-10-17
Lithgow, Thomas M.
Liquid purification or separation
Structural installation
Grated inlet surface drain
210164, 210165, 210166, 52 12, 4292, 4293, 4650, 4652, 4673, 4683, E03F 504
Patent
active
054587697
ABSTRACT:
The floor drain comprises a drainage bowl (2) or outlet gutter with an upward facing inlet opening (4) and an outlet (5), comprises slots (9) or passageways having each a substantially vertical portion with a constant cross-section, and having each its entrance on a level with the inlet opening (4) and extends somewhat downwards and is adapted to be running to capacity by drainage of water from a floor.
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