Method of forming a conduit using a wound sacrificial layer

Details Method of forming a conduit using a wound sacrificial layer Method of forming a conduit using a wound sacrificial layer

2007-11-06

2007-11-06

Aftergut, Jeff H (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S173000, C156S175000, C156S191000, C156S192000, C156S244130

Reexamination Certificate

active

10656574

ABSTRACT:
A thin ribbon spirally wound polymer conduit and method of forming, wherein a helical reinforcing bead is interposed adjacent overlapping layers of ribbon. Further, a method of continuously forming spirally wound conduit wherein a sacrificial layer, preferably having a different base polymer to that of the conduit, is first applied to the former before the conduit is formed overtop.

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