Patents - Global Data - Dimensions
Grant
Method for producing a carcass, a method of producing a flexible pipe and a flexible pipe
Applicants
- National Oilwell Varco Denmark IS
[NORA names: Miscellaneous; Miscellaneous]
Abstract
A method of producing a carcass for a flexible pipe, the carcass and a flexible pipe with the carcass includes providing at least one first metallic strip a cover metallic strip. Shaping the first strip to have a profile with a first fold adapted to face towards the carcass axis and a second fold adapted to face away from the carcass axis. Pretreating an anchor width section of the cover strip including a weakening treatment of resistance against length extension and/or a length extension of the pretreated part of the anchor width section. Inserting the anchor width section of the cover strip into the first fold, ensuring that a cover width section of the cover strip extends beyond the second fold. Helically winding the first metallic strip and the cover strip, to provide that the first fold engages and interlocks with the second fold and that the cover width section covers a helical interstice between windings of the first metallic strip on the inner side of the carcass.
Patent Family Records (8)
Method for producing a carcass, a method of producing a flexible pipe and a flexible pipe
National Oilwell Varco Denmark IS KOCH LASSE TANG
2024, US-12011750-B2
A METHOD FOR PRODUCING A CARCASS, A METHOD OF PRODUCING A FLEXIBLE PIPE AND A FLEXIBLE PIPE
National Oilwell Varco Denmark IS KOCH LASSE TANG
2024, EP-4045830-B1
A METHOD FOR PRODUCING A CARCASS, A METHOD OF PRODUCING A FLEXIBLE PIPE AND A FLEXIBLE PIPE
National Oilwell Varco Denmark IS KOCH LASSE TANG
2023, US-20230271241-A1
A METHOD FOR PRODUCING A CARCASS, A METHOD OF PRODUCING A FLEXIBLE PIPE AND A FLEXIBLE PIPE
National Oilwell Varco Denmark IS KOCH LASSE TANG
2022, EP-4045830-A1
METHOD OF PRODUCTION OF A CASING, METHOD FOR PRODUCING A FLEXIBLE TUBE AND FLEXIBLE TUBE
NAT OILWELL VARCO DENMARK IS TANG LASSE KOCH
2022, BR-112022007079-A2
A method for producing a carcass, a method of producing a flexible pipe and a flexible pipe
National Oilwell Varco Denmark IS KOCH LASSE
2022, AU-2020365360-A1
A METHOD FOR PRODUCING A CARCASS, A METHOD OF PRODUCING A FLEXIBLE PIPE AND A FLEXIBLE PIPE
NAT OILWELL VARCO DENMARK IS KOCH LASSE
2021, WO-2021074192-A1
A METHOD FOR PRODUCING A CARCASS, A METHOD OF PRODUCING A FLEXIBLE PIPE AND A FLEXIBLE PIPE
National Oilwell Varco Denmark IS KOCH LASSE TANG
2021, CA-3157245-A1