Hybrid pipe design and method of manufacture

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#FIG. 1 is a partial isometric view showing the inventive pipe with the core, a single web layer, an extruded polymer layer, a first and a second flexible helical reinforcement layer, a polymer tape layer and a sheath layer.

#FIG. 1A is a partial isometric view showing the inventive pipe with the core, a single web layer, an extruded polymer layer, a first and a second flexible helical reinforcement layer, an insulation layer and a sheath layer.

#FIG. 1B is a partial isometric view showing the inventive pipe with the core, a single web layer, an extruded polymer layer, a first and a second flexible helical reinforcement layer, a polymer tape layer, a sheath layer and an insulation layer outside of the sheath layer.

#The following parts list is provided to assist with the understanding of the invention as illustrated in the attached figures:

#Part Number: Description: P Hybrid pipe 10 Tubular core 20 First web layer 20a Second web layer 20b Web layer with 2 × 2 pattern braid 22 First wire group (shown wound clockwise) 24 Second wire group (shown wound counter clockwise) Θ Wire group lay angle 25 Wire 26 Gap in web layer between wire groups 30 Polymer extruded layer 32 Thin polymer tape layer 40 First flexible helical reinforcement layer α Reinforcement layer lay angle 42 First strip 44 First gap 50 Second flexible helical reinforcement layer 52 Second strip 54 Second gap 60 Polymer tape 70 Sheath layer 80 First flexible helical anti-extrusion layer 82 First anti-extrusion strip 84 First anti-extrusion gap 90 Second flexible helical anti-extrusion layer 92 Second anti-extrusion strip 94 Second anti-extrusion gap 110 Insulation layer 120 Weight layer 130 Electric Insulation layer 140 Wide strip layer 142 Wide strip 144 Wide strip gap 150 Die

#FIGS. 1, 1A, 1B, 1C and 1D show embodiments of the inventive hybrid pipe P. In FIG. 1 a tubular core 10, is covered by a first web layer 20. The first web layer 20 is comprised of a plurality of webbed wires 25, to be described herein.