Threaded riser adaptor for attaching a structure to a riser

Pipe joints or couplings – Particular interface – Tapered

Reexamination Certificate

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Details

C285S015000, C285S148190, C285S148210

Reexamination Certificate

active

06840549

ABSTRACT:
A threaded riser adaptor is threadedly engaged to a liquid storage tank riser and a structure to provide a liquid-tight seal between the riser and structure. The adaptor is particularly useful when employed with field threaded risers.

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patent: 6517356 (2003-02-01), Smith

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