Vent cap assembly for a monitoring well

Details Vent cap assembly for a monitoring well Vent cap assembly for a monitoring well

1981-01-29

1983-02-01

Bryant, III, James E.

Pipes and tubular conduits

Repairing

138 89, 138 96R, F23L 1702

Patent

active

043709192

ABSTRACT:
Vent cap assembly for a monitoring well permits venting from a well riser pipe while positively preventing contamination of the well by vandals. Tabs having apertures are integrally attached to the pipe and to an axially elongated vent cap. A padlock may be placed through the apertures to prevent unauthorized removal of the cap, but whether or not the cap is locked, the tab on the riser pipe causes the inner end surface of the cap to be spaced slightly above the riser pipe to insure that venting will always be possible.

REFERENCES:
patent: 1499629 (1924-07-01), Arnold
patent: 1653137 (1927-12-01), Trumble
patent: 1656318 (1928-01-01), Costello
patent: 2179191 (1939-11-01), McWilliams
patent: 2210996 (1940-08-01), Woods
patent: 2422070 (1947-06-01), Bettencourt
patent: 3302816 (1967-02-01), Sloper et al.
patent: 3964376 (1976-06-01), Sanke

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