Patent ID: 11958259
Assignee: BAKER HUGHES ENERGY TECHNOLOGY UK LIMITED
Field: Surface technology, coating (Chemistry)
Classification: CPC B  C  D  F | IPC B  C  D

Claim 9:
10. A method of manufacturing a flexible pipe layer for a flexible pipe, the method comprising:
arranging a first plurality of filaments having a first concentration of carbon fibre, the arranging comprising:
commingling polymer filaments and carbon fibre filaments to form a first intimate mixture;
forming first yarns from the first intimate mixture; and
compressing or extruding first yarns to form a first tape, wherein the first tape is characterized by a first concentration of carbon fibre;

arranging a second plurality of filaments having a second concentration of carbon fibre, the arranging comprising:
commingling polymer filaments and carbon fibre filaments to form a second intimate mixture;
forming second yarns from the second intimate mixture; and
compressing or extruding the second yarns to form a second tape, wherein the second tape is characterized by a second concentration of carbon fibre; and

applying predetermined amounts of the first tape and the second tape to a pipe body to form a flexible pipe layer.