Flexible tubular member with sealed tape layer

Pipes and tubular conduits – Flexible – Spirally wound material

Reexamination Certificate

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Details

C138S150000, C138S154000, C156S184000, C156S188000

Reexamination Certificate

active

06889715

ABSTRACT:
A flexible pipe in which a layer of wound tape extends adjacent a surface of a tubular member to limit or prevent molecular migration through the tubular member.

REFERENCES:
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patent: 4645553 (1987-02-01), Languillat
patent: 4788089 (1988-11-01), Skipper
patent: 4791966 (1988-12-01), Eilentropp
patent: 5800886 (1998-09-01), Vallauri et al.
patent: 6284997 (2001-09-01), Zehavi et al.
patent: 6363974 (2002-04-01), Perez et al.

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