Multi-layer pipe and method of manufacturing a multi-layer pipe
AssigneePolyflow LLC
InventorsMalcolm Werner Kurt ROSENOW, Jing Yan CHEN, Rafik BOUBENIDER
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Abstract
Multi-layer pipe and method of manufacturing a multi-layer pipe A multi-layer pipe comprising a pipe body extending between first and second ends of the pipe, the pipe body having a first pipe layer and a second pipe layer disposed about the first pipe layer. The pipe further comprising a vent strip intermediate the first and second pipe layers and extending between the first and second ends of the pipe, the vent strip comprising one or more fluid passageways extending the entire length of the vent strip.
Claims20
A multi-layer pipe comprising:
- a pipe body extending between first and second ends of the pipe, the pipe body having a first pipe layer and a second pipe layer disposed about the first pipe layer;
- and
- a vent strip intermediate the first and second pipe layers and extending between the first and second ends of the pipe, the vent strip comprising one or more fluid passageways extending the entire length of the vent strip.
A method of manufacturing a multi-layer pipe, the method comprising:
- providing a first pipe layer;
- applying a vent strip to an outer surface of the first pipe layer along a length thereof, the vent strip comprising one or more fluid passageways extending the entire length of the vent strip;
- and
- applying a second pipe layer over the first pipe layer to form a pipe body having the vent strip intermediate the first and second pipe layers.
Dependencies are inferred from the claim text.