Method and apparatus for laying drains in frost-susceptible grou

Details Method and apparatus for laying drains in frost-susceptible grou Method and apparatus for laying drains in frost-susceptible grou

1983-10-19

1985-11-19

Taylor, Dennis L.

Hydraulic and earth engineering

Drainage or irrigation

Porous waterway, e.g., sand drain, etc.

52 20, 405 36, 405133, E02B 1100

Patent

active

045538760

ABSTRACT:
A drain pipe intended for use when laying surface-water drains, manholes and like structures, particularly in frost susceptible ground. The drain pipe has a length such as to enable the pipe to connect a drain cover with a drain-bottom part or a tubular raising member which is connected directly to the drain-bottom part or is connected to the drain-bottom part via one or more additional raising members. The outer form of the drain pipe is slightly conical over at least a part of the length of the pipe, the pipe being arranged to be mounted so that its widest end faces downwards and can be inserted into a socket or collar of the aforementioned drain-bottom part or of a raising member.
The invention also relates to a method of laying a drain while using such a drain pipe, and to a drain laid in accordance with the method.

REFERENCES:
patent: 129246 (1872-07-01), Ober
patent: 248664 (1881-10-01), Norton
patent: 442678 (1890-12-01), Hartley
patent: 711465 (1902-10-01), Bradshaw
patent: 1461451 (1923-07-01), Powell
patent: 1908332 (1933-05-01), Eichelman et al.
patent: 3621623 (1971-11-01), Downes
patent: 4253282 (1981-03-01), Swartz
patent: 4325572 (1982-04-01), Arntyr et al.

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