发明名称 |
AN UNBONDED, FLEXIBLE PIPE |
摘要 |
The invention relates to an unbonded, flexible pipe having a length and comprising from inside out, a tubular inner sealing sheath, at least one metal armor layer and an outer sealing sheath of a sealing material. The unbonded, flexible pipe comprises at least one stiffened length section comprising a stiffening cover partially or totally surrounding the outer sealing sheath in the stiffened length section. The stiffening cover comprises a layer of a stiffening material having a flexural modulus which is higher than the flexural modulus of the sealing material, wherein the flexural modulus is determined according to IS0 178. |
申请公布号 |
IN5109DEN2012(A) |
申请公布日期 |
2015.10.09 |
申请号 |
IN2012DELNP5109 |
申请日期 |
2012.06.08 |
申请人 |
NATIONAL OIL WELL VARCO DENMARK I/S |
发明人 |
CHRISTENSEN, CLAUS DENCKER;PROCIDA, INGER-MARGRETE;CHRISTENSEN, MARTIN DAMGAARD |
分类号 |
F16L11/08 |
主分类号 |
F16L11/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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