IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0647855
(2006-12-29)
|
등록번호 |
US-7367362
(2008-05-06)
|
발명자
/ 주소 |
- Rice,Brian L.
- Topf, Jr.,Henry E.
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
16 |
초록
▼
A system and method of repairing a pipe including securing a reinforcing material, such as a dry fiber structure (e.g., a carbon fibers) to the surface of the pipe. A polymeric material is placed on top of the reinforcing material, self-penetrating the dry fiber structure. The polymeric material sub
A system and method of repairing a pipe including securing a reinforcing material, such as a dry fiber structure (e.g., a carbon fibers) to the surface of the pipe. A polymeric material is placed on top of the reinforcing material, self-penetrating the dry fiber structure. The polymeric material substantially saturates the reinforcing material and cures to form a reinforced polymeric composite which may increase or restore the pressure rating or operating pressure capacity of the pipe. Optionally, an outer containment component, such as a sleeve, shell, box, wall, outer pipe, and so on, may be installed around the reinforcing material prior to introduction of the polymeric material. In this case, the polymeric material may be placed (i.e., poured) into the interior of the containment component on top of the reinforcing material.
대표청구항
▼
The invention claimed is: 1. A method of reinforcing a portion of a pipe, comprising: applying a fiber structure without resin to the portion of the pipe to be reinforced; installing a fabric mold around the fiber structure; installing a reinforcing containment around the fabric mold; pouring resin
The invention claimed is: 1. A method of reinforcing a portion of a pipe, comprising: applying a fiber structure without resin to the portion of the pipe to be reinforced; installing a fabric mold around the fiber structure; installing a reinforcing containment around the fabric mold; pouring resin through the reinforcing containment and into the fabric mold on top of the fiber structure; and compressing the fabric mold to pressure the resin through the fiber structure to the pipe. 2. The method as recited in claim 1, wherein compressing the fabric mold substantially saturates the fiber structure with the resin. 3. The method as recited in claim 1, wherein the reinforcing containment supports the fabric mold. 4. The method as recited in claim 1, wherein the reinforcing containment forms an annulus with the pipe. 5. The method as recited in claim 1, wherein the reinforcing containment facilitates control of a thickness of the resin around the pipe. 6. The method as recited in claim 1, wherein the reinforcing containment is flexible in the radial direction and provides stiffness in the axial direction. 7. The method as recited in claim 1, wherein pouring resin comprises pouring resin through an opening of the reinforcing containment and through an opening of the fabric mold. 8. The method as recited in claim 7, wherein the opening of the fabric mold comprises a funnel. 9. A method of reinforcing a portion of a pipe, comprising: applying a fiber structure without resin to the portion of the pipe to be reinforced; installing a mold around the fiber structure; installing a tambour around the mold; pouring resin through the tambour and into the mold on top of the fiber structure; and compressing the mold to pressure the resin through the fiber structure to the pipe. 10. The method as recited in claim 1, comprising installing a pressure gauge to measure pressure of the resin under the fabric mold. 11. The method as recited in claim 1, comprising installing a temperature gauge to measure temperature of the resin under the fabric mold. 12. A method of reinforcing an object, comprising: applying a fiber structure to a surface of the object; installing a fabric mold around the applied fiber structure, positioning a tambour around the fabric mold; disposing a polymeric material inside the fabric mold and pressurizing the resin into the fiber structure to substantially saturate the fiber structure; and permitting the polymeric material to cure to form a composite of the fiber structure and the polymeric material on the surface of the object. 13. The method as recited in claim 12, wherein the object comprises a vessel, a pipe, a nozzle, or any combination thereof. 14. The method as recited in claim 12, wherein applying the fiber structure comprises wrapping the fiber structure around an outer surface of the object. 15. The method as recited in claim 12, wherein the fiber structure is not impregnated with polymeric material prior to or while applying the fiber structure to the object. 16. The method as recited in claim 12, wherein the tambour comprises a plurality of extrusion slats. 17. The method as recited in claim 12, comprising measuring pressure inside the fabric mold. 18. The method as recited in claim 12, comprising measuring the exotherm temperature of the polymeric material inside the fabric mold during curing of the polymeric material. 19. A system for repairing a pipe, comprising: a reinforcing material configured to wrap around the pipe and to receive a resin after installation of the reinforcing material around the pipe; a fabric mold configured to be disposed about the reinforcing material wrapped around the pipe, wherein the fabric mold is configured to receive and hold the resin around the reinforcing material; a support structure configured to encase and support at least a portion of the fabric mold disposed on the pipe; and the resin formulated to be poured through the support structure and inside the fabric mold to penetrate the fiber and to form a composite with the reinforcing material on the pipe. 20. The system as recited in claim 19, wherein the reinforcing material comprises a fiber structure. 21. The system as recited in claim 19, wherein the fiber structure comprises carbon fibers. 22. The system as recited in claim 19, wherein the resin comprises an epoxy system, a polyester system, a vinyl ester system, a urethane system, or a methacrylate system, or any combination thereof. 23. The system as recited in claim 19, wherein the fabric mold is configured to be compressed to pressurize the resin to through the reinforcing material to the pipe to substantially saturate the reinforcing material with the resin. 24. The system as recited in claim 19, wherein the fabric mold comprises a funnel to receive the resin. 25. A system for repairing a pipe, comprising: a reinforcing material configured to wrap around the pipe and to receive a resin after installation of the reinforcing material around the pipe; a mold configured to be disposed about the reinforcing material wrapped around the pipe, wherein the mold is configured to receive and hold the resin around the reinforcing material; a support structure configured to encase and support at least a portion of the mold disposed on the pipe; and the resin formulated to be poured inside the mold to penetrate the fiber and to form a composite with the reinforcing material on the pipe, wherein the support structure comprises a rigid shell that forms an annulus with the pipe. 26. A system for repairing a pipe, comprising: a reinforcing material configured to wrap around the pipe and to receive a resin after installation of the reinforcing material around the pipe; a mold configured to be disposed about the reinforcing material wrapped around the pipe, wherein the mold is configured to receive and hold the resin around the reinforcing material; a support structure configured to encase and support at least a portion of the mold disposed on the pipe; and the resin formulated to be poured inside the mold to penetrate the fiber and to form a composite with the reinforcing material on the pipe, wherein the support structure is flexible in the radial direction and provides stiffness in the axial direction. 27. The system as recited in claim 19, wherein the support structure comprises a sheet of metal. 28. The system as recited in claim 19, wherein the support structure comprises a tambour having a plurality of flexible members providing stiffness in the axial direction. 29. The system as recited in claim 19, comprising a temperature gauge configured to measure a temperature of the resin during curing of the resin. 30. The system as recited in claim 19, comprising a pressure gauge configured to measure the pressure of the resin disposed on the reinforcing material under the fabric mold.
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