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公开(公告)号：US10471661B2
公开(公告)日：2019-11-12
申请号：US15521012
申请日：2015-10-22
Applicant: SHAWCOR LTD.
Inventor： Pawel Boczkowski , Mark Brandon , Jeremy Joseph Ellis , Dilip Tailor , Pascal Laferriere
Abstract: A method for forming a connection between two tubular sections having a polymeric outer surface jacket, using electrofusion to fusion bond a casing of similar, non-crosslinked polymer to the outer surface of the tubular sections.
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公开(公告)号：US20180169834A1
公开(公告)日：2018-06-21
申请号：US15383886
申请日：2016-12-19
Applicant: ShawCor Ltd.
Inventor： Brian BAKER , Randy DANDERFER
Abstract: This disclosure provides a new internal weld blasting system for blasting the internal surfaces of pipes, and the method of use thereof. The system comprises a control cage having two relatively narrow openings. An impeller forces abrasives onto a blast wheel, which in turn sprays the abrasives onto the internal surfaces of the pipes.
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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.
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公开(公告)号：US20160305596A1
公开(公告)日：2016-10-20
申请号：US15132568
申请日：2016-04-19
Applicant: SHAWCOR LTD.
Inventor： Roberto VARAGNOLO , Marcos MOCKEL , Catherine LAM , Dennis WONG
CPC classification number: F16L59/028 , B29C47/0004 , B29C47/0042 , B29C47/021 , B29C47/92 , B29C2947/92514 , B29C2947/92704 , B29C2947/92904 , B29K2105/04 , B29L2023/225 , C08J9/228 , C08J9/32 , C08J2201/024 , C08J2201/03 , C08J2203/22 , C08J2300/22 , C08J2323/00 , C08J2325/06 , C08J2327/06 , C08J2355/02 , C08J2369/00 , C08J2371/00 , C08J2375/00 , C08J2377/00 , C08J2379/08 , F16L59/143
Abstract: A method of providing a foamed insulation coating on at least a portion of a pipe, including extruding a melt stream over the pipe portion. The melt stream includes a matrix polymer and expandable fillers in an unexpanded state, the melt stream being maintained at a sufficiently high temperature to maintain the matrix polymer in extrudable form and at a sufficiently high pressure to maintain the expandable fillers in the unexpanded state. Once extruded, the expandable fillers are permitted to expand into an expanded state at a lower pressure.
Abstract translation: 在管的至少一部分上提供发泡绝缘涂层的方法，包括在管部分上挤出熔体流。 熔体流包括基体聚合物和未膨胀状态的可膨胀填料，熔体流保持在足够高的温度下，以将基体聚合物保持在可挤压形式并且处于足够高的压力下以将可膨胀填料保持在未膨胀状态。 一旦被挤出，可膨胀填料被允许在较低压力下膨胀成膨胀状态。
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公开(公告)号：US20140311614A1
公开(公告)日：2014-10-23
申请号：US14193663
申请日：2014-02-28
Applicant: SHAWCOR LTD.
Inventor： Stephen J. Edmondson , Dennis Wong , Marcos Mockel
IPC: F16L9/14
CPC classification number: F16L9/14 , B29C44/24 , B29C44/324 , B29C48/0021 , B29C48/09 , B29C48/151 , B29C48/21 , B29C48/385 , B29C63/10 , B32B1/08 , B32B7/12 , B32B27/065 , B32B27/08 , B32B27/302 , B32B27/32 , B32B2266/025 , B32B2307/302 , B32B2307/304 , B32B2307/4026 , B32B2307/558 , B32B2307/714 , B32B2597/00 , F16L13/0272 , F16L58/1054 , F16L58/181 , F16L59/143 , F16L59/20 , Y10T29/49888
Abstract: A polymeric composition for insulating fluid and/or gas transport conduits, such as off-shore oil and gas pipelines operating at temperatures of about 200° C. or higher in water depths above 1,000 metres. The outer surface of the conduit is provided with at least one layer of solid or foam insulation comprising a high temperature resistant polysulfone having sulfone, ether and isopropylidene bridging groups, and/or a polyphenylsulfone or a polyethersulfone.
Abstract translation: 用于绝缘流体和/或气体输送管道的聚合物组合物，例如在高于1000米的水深中在约200℃或更高的温度下操作的离岸油和气体管道。 管道的外表面设置有至少一层固体或泡沫绝缘体，其包含具有砜，醚和异亚丙基桥接基团的耐高温聚砜和/或聚苯砜或聚醚砜。
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Patent Agency Ranking
公开(公告)号：US20220381375A1
公开(公告)日：2022-12-01
申请号：US17787514
申请日：2020-12-18
Applicant: SHAWCOR LTD.
Inventor： DILIP TAILOR , JACOB PRESTON , MARK PHILLIP BRANDON , RONALD J. DUNN , PASCAL LAFERRIERE
IPC: F16L11/08 , F16L33/01 , F16L33/207 , F16L55/07 , F16L9/147
Abstract: A flexible polymeric pipe for transportation of oil, gas or water, having an unbonded reinforcing intermediate layer between two polymeric layers. The pipe has a vent for the intermediate layer which allows venting of gas from the intermediate layer through to the exterior environment. The vent is generally impervious to water but pervious to air and gas.
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公开(公告)号：US11117153B2
公开(公告)日：2021-09-14
申请号：US16309365
申请日：2017-06-13
Applicant: SHAWCOR LTD.
Inventor： Jeremy Joseph Ellis , Jarrod Shugg , Shawn Doyle , Ronald J. Dunn
Abstract: Provided is an apparatus for coating a girth weld and a cutback region surrounding said girth weld, said apparatus having lateral travel at least equal to the length of the cutback region and circumferential rotational travel around the pipe. The apparatus can provide a multiple component coating accurately and safely, without the need for solvent flushing of the apparatus.
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公开(公告)号：US20190314846A1
公开(公告)日：2019-10-17
申请号：US16309365
申请日：2017-06-13
Applicant: SHAWCOR LTD.
Inventor： Jeremy Joseph Ellis , Jarrod Shugg , Shawn Doyle , Ronald J. Dunn
Abstract: Provided is an apparatus for coating a girth weld and a cutback region surrounding said girth weld, said apparatus having lateral travel at least equal to the length of the cutback region and circumferential rotational travel around the pipe. The apparatus can provide a multiple component coating accurately and safely, without the need for solvent flushing of the apparatus.
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公开(公告)号：US20190160544A1
公开(公告)日：2019-05-30
申请号：US16262426
申请日：2019-01-30
Applicant: SHAWCOR LTD. SHAWCOR LTÉE
Inventor： TARAS KARPACHEVSKYY
Abstract: A pipe lathe includes a shaft; a cutting head supported on the shaft for movement with the shaft; a mandrel positionable on an outboard end of the shaft for supporting the shaft along a machining axis; and a first external pipe clamp and a second external pipe clamp, the first and the second external pipe clamps supported for external pipe engagement substantially concentrically about the machining axis. Multiple spaced apart engagement sites provided by the mandrel within the pipe and the external pipe clamps on an outer surface of the pipe support the pipe in a linear and centered position for machining by the cutting head, even when the pipe is non-linear, flexible and possibly with a cross section that is on-circular.
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公开(公告)号：US20180022036A1
公开(公告)日：2018-01-25
申请号：US15521012
申请日：2015-10-22
Applicant: SHAWCOR LTD.
Inventor： Pawel Boczkowski , Mark Brandon , Jeremy Joseph Ellis , Dilip Tailor , Pascal Laferriere
CPC classification number: B29C65/344 , B29C63/42 , B29C65/3432 , B29C65/3444 , B29C65/3468 , B29C65/3476 , B29C65/348 , B29C65/5042 , B29C65/5057 , B29C65/72 , B29C66/0242 , B29C66/1122 , B29C66/232 , B29C66/5221 , B29C66/53241 , B29C66/71 , B29C66/723 , B29C66/72321 , B29C66/727 , B29C66/73715 , B29C66/73751 , B29C66/73753 , B29C66/73755 , B29C66/9121 , B29C66/91211 , B29C66/9141 , B29C66/91645 , B29C66/91655 , B29C66/961 , B29K2023/06 , B29K2705/12 , B29L2023/22 , B29L2023/225 , F16L47/03 , F16L47/22 , F16L59/20 , B29K2023/00
Abstract: A method for forming a connection between two tubular sections having a polymeric outer surface jacket, using electrofusion to fusion bond a casing of similar, non-crosslinked polymer to the outer surface of the tubular sections.
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