Pipe

Details Pipe Pipe

2006-07-18

2006-07-18

Hook, James (Department: 3754)

Pipes and tubular conduits

Combined

With indicating means

C138S127000, C181S206000

Reexamination Certificate

active

07077164

ABSTRACT:
A pipe has an innermost layer, outside of which there is an inner electrode layer, outside of which there is an insulating layer, outside of which there is an outer electrode layer. The innermost layer is made of plastic by continuous extrusion and the insulating layer is made of foamed plastic.

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