Drain trap

Details Drain trap Drain trap

1978-09-15

1980-11-18

Frazier, Roy D.

Hydraulic and earth engineering

Drainage or irrigation

End cap

404 2, 405 43, E02B 1100

Patent

active

042342678

ABSTRACT:
A drain trap comprises a plurality of flat water conveying plates with fine clearances therebetween and securely fixed to each other by ribs. Below said water conveying plates is fixed another water conveying plate of Y-shape in section having a water gathering passage and having fine clearances between the upper arms thereof and said flat plates, said flat plates and said Y-shaped plate being securely fixed to one another through further ribs. Said trap has a narrow end tightly engagable with a drain pipe through packing material.

REFERENCES:
patent: 914231 (1909-03-01), Booth
patent: 1687782 (1928-10-01), Norton
patent: 4024716 (1977-05-01), Duggins et al.

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