Conduit and method of forming

Details Conduit and method of forming Conduit and method of forming

2006-01-11

2008-12-23

Aftergut, Jeff H (Department: 1791)

Adhesive bonding and miscellaneous chemical manufacture

Differential fluid etching apparatus

With microwave gas energizing means

C156S184000, C156S191000, C156S244130, C156S583200

Reexamination Certificate

active

07468116

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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