Wells – Above ground apparatus – Inner member anchor or seal with lateral port
Patent
1988-09-16
1989-07-25
Kisliuk, Bruce M.
Wells
Above ground apparatus
Inner member anchor or seal with lateral port
166 85, E21B 3303
Patent
active
048504289
ABSTRACT:
A plastic well assembly (10) includes a plastic well casing (12) with a hole (16) that is disposed therethrough transversely to a casing axis (14). An adapter plug assembly (38 or 268) is disposed inside the casing (12) and is forced toward the hole (16) by a plastic locking cam (58 or 272) that is a part of the adapter plug assembly (38 or 268). The locking cam (58 or 272) is retained by a pin (60 or 282) or by a cam follower-retainer (274) that serves both to transmit the force of the locking cam (272) to the well casing (12) and to retain the locking cam (272). The adapter plug assembly (38 or 268) is supported by a plastic support plate (26 or 136) that engages the top (28) of the casing (12), and a well cap (46 or 138) covers the support plate (26 or 136). Optionally, a cap-to-casing adapter (166) with screened passageways (192a and 192b) is provided to allow the well to breathe, a sealed support plate assembly (206) is provided, and/or provision is made to lock the well cap (138) to the casing (12) with a padlock (188). A plastic saddle (18) is disposed outside the casing (12) and is bonded over the hole (16) in the casing (12).
REFERENCES:
patent: 3270818 (1966-09-01), Pugh, Jr.
patent: 3403730 (1968-10-01), Williams
patent: 3563310 (1971-02-01), Weilstein
patent: 3718185 (1973-02-01), Wellstein
patent: 3722586 (1973-03-01), Baker
patent: 4056144 (1977-11-01), Weilstein
patent: 4226286 (1980-10-01), Cramer
Kisliuk Bruce M.
Miller Wendell E.
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