Platform leg diaphragm

Details Platform leg diaphragm Platform leg diaphragm

1976-06-24

1977-05-24

Shapiro, Jacob

Wells

Receptacles

With separate air chamber having openable passage

61100, 166187, E02D 514

Patent

active

040247236

ABSTRACT:
In an offshore platform to be erected on hollow legs which receive piles driven down through the legs into the ocean floor, a resilient diaphragm closure for each of said legs to prevent ingress of water as said platform is moved into position. The diaphragm includes a ring of down-facing cutter blades oriented in the upper surface of said diaphragm for registration with a down moving end of the piling to sever the diaphragm and facilitate passage of the end of the piling beyond the location of the diaphragm.

REFERENCES:
patent: 3533241 (1970-10-01), Bowerman et al.
patent: 3868826 (1975-03-01), Landers

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