Pipe joints or couplings – Particular interface – Tapered
Reexamination Certificate
2005-01-11
2005-01-11
Nicholson, Eric K. (Department: 3679)
Pipe joints or couplings
Particular interface
Tapered
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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Lampe Thomas R.
Nicholson Eric K.
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