公开(公告)号：US09791091B2

公开(公告)日：2017-10-17

申请号：US14954545

申请日：2015-11-30

Applicant: Shawcor, Ltd.

Inventor： Masahide Yodogawa ,  Suresh Choudhary ,  Jan Peder Hegdal ,  Torgeir Sletvold ,  Eileen Wan

IPC: F16L9/14 ,  F16L59/02 ,  B23K31/02 ,  B23K37/00 ,  F16L58/10 ,  F16L59/14 ,  F16L58/18 ,  F16L59/20 ,  F16L13/02 ,  B29C39/10 ,  B29C33/00 ,  F16L1/16 ,  F16L9/02 ,  F16L9/22

CPC classification number: F16L59/029 ,  B23K31/02 ,  B23K31/027 ,  B23K37/00 ,  B29C33/0011 ,  B29C39/10 ,  F16L1/161 ,  F16L9/02 ,  F16L9/22 ,  F16L13/0272 ,  F16L58/1054 ,  F16L58/1081 ,  F16L58/181 ,  F16L59/14 ,  F16L59/143 ,  F16L59/20

Abstract: A method for forming a high temperature field joint between two insulated pipe sections, and an insulated conduit having a low temperature field joint. The conduit comprises a steel pipe with a corrosion protection coating and a pipe insulation layer comprising a polymer composition having thermal conductivity of less than about 0.40 W/mk, and/or heat resistance to continuous operating temperatures from about 150° C. to above about 205° C. After a circumferential weld joint is formed between the two pipes, a first field joint insulation layer is applied over the joint area, the first field joint insulation layer comprises a polymer composition having heat resistance to continuous operating temperatures from about 150° C. to above about 205° C.

公开(公告)号：US10105885B2

公开(公告)日：2018-10-23

申请号：US15354245

申请日：2016-11-17

Applicant: SHAWCOR LTD.

Inventor： Adam Robert Wright ,  Ole Thomas Ustad ,  Suresh Choudhary

IPC: B29C45/14 ,  F16L58/18 ,  F16L59/20 ,  B29C45/16 ,  B29C65/00 ,  B29K23/00 ,  B29K63/00 ,  B29K75/00 ,  B29K105/20 ,  B29L23/00

Abstract: A method of coating a field joint and a coated field joint formed thereby. The field joint coating includes a first thermal insulation material injection molded over the uncoated field joint to form a first layer, and a second thermal insulation material injection molded over the first layer to form a second layer. The second material has a greater flexibility than the first material and a lower maximum operating temperature than the first material. In certain embodiments, the second material forms a significant part of the volume of the field joint coating.

公开(公告)号：US20150041017A1

公开(公告)日：2015-02-12

申请号：US14455213

申请日：2014-08-08

Applicant: ShawCor Ltd.

Inventor： Jan Peder Hegdal ,  Torgeir Sletvold ,  Eileen Wan ,  Suresh Choudhary

IPC: F16L58/10 ,  F16L59/14 ,  F16L59/02 ,  B23K31/02 ,  B23K37/00

CPC classification number: F16L59/029 ,  B23K31/02 ,  B23K31/027 ,  B23K37/00 ,  B29C33/0011 ,  B29C39/10 ,  F16L1/161 ,  F16L9/02 ,  F16L9/22 ,  F16L13/0272 ,  F16L58/1054 ,  F16L58/1081 ,  F16L58/181 ,  F16L59/14 ,  F16L59/143 ,  F16L59/20

Abstract: A method for forming a high temperature field joint between two insulated pipe sections, and an insulated conduit having a low temperature field joint. The conduit comprises a steel pipe with a corrosion protection coating and a pipe insulation layer comprising a polymer composition having thermal conductivity of less than about 0.40 W/mk, and/or heat resistance to continuous operating temperatures from about 150° C. to above about 205° C. After a circumferential weld joint is formed between the two pipes, a first field joint insulation layer is applied over the joint area, the first field joint insulation layer comprises a polymer composition having heat resistance to continuous operating temperatures from about 150° C. to above about 205° C.

Abstract translation: 一种用于在两个绝缘管段之间形成高温场接头的方法和具有低温场接头的绝缘导管。 导管包括具有防腐蚀涂层的钢管和包含导热率小于约0.40W / mK的聚合物组合物的管道绝缘层，和/或对从约150℃至高于约的连续操作温度的耐热性 在两个管之间形成圆周焊接接头之后，在接合区域上施加第一场接合绝缘层，第一场接合绝缘层包括具有耐热性的连续操作温度约为150°的聚合物组合物 C.高于约205℃

公开(公告)号：US09810366B2

公开(公告)日：2017-11-07

申请号：US14455213

申请日：2014-08-08

Applicant: ShawCor Ltd.

Inventor： Jan Peder Hegdal ,  Torgeir Sletvold ,  Eileen Wan ,  Suresh Choudhary

IPC: F16L9/14 ,  F16L59/02 ,  B23K31/02 ,  B23K37/00 ,  F16L58/10 ,  F16L59/14 ,  F16L58/18 ,  F16L59/20 ,  F16L13/02 ,  B29C39/10 ,  B29C33/00 ,  F16L1/16 ,  F16L9/02 ,  F16L9/22

CPC classification number: F16L59/029 ,  B23K31/02 ,  B23K31/027 ,  B23K37/00 ,  B29C33/0011 ,  B29C39/10 ,  F16L1/161 ,  F16L9/02 ,  F16L9/22 ,  F16L13/0272 ,  F16L58/1054 ,  F16L58/1081 ,  F16L58/181 ,  F16L59/14 ,  F16L59/143 ,  F16L59/20

Abstract: A method for forming a high temperature field joint between two insulated pipe sections, and an insulated conduit having a low temperature field joint. The conduit comprises a steel pipe with a corrosion protection coating and a pipe insulation layer comprising a polymer composition having thermal conductivity of less than about 0.40 W/mk, and/or heat resistance to continuous operating temperatures from about 150° C. to above about 205° C. After a circumferential weld joint is formed between the two pipes, a first field joint insulation layer is applied over the joint area, the first field joint insulation layer comprises a polymer composition having heat resistance to continuous operating temperatures from about 150° C. to above about 205° C.