Joint restraint devices and methods of using same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16L-025/14
F16L-021/08
F16L-021/04
F16L-025/08
출원번호
US-0925352
(2015-10-28)
등록번호
US-10036497
(2018-07-31)
발명자
/ 주소
Box, Stuart J.
출원인 / 주소
SIGMA CORPORATION
대리인 / 주소
Ballard Spahr LLP
인용정보
피인용 횟수 :
0인용 특허 :
45
초록▼
A joint restraint for deforming an outer diameter of a pipe for insertion into a socket. The joint restraint can selectively mount to a portion of an irregularly shaped pipe having a maximum outer diameter that differs from a desired substantially constant outer diameter. The joint restraint can hav
A joint restraint for deforming an outer diameter of a pipe for insertion into a socket. The joint restraint can selectively mount to a portion of an irregularly shaped pipe having a maximum outer diameter that differs from a desired substantially constant outer diameter. The joint restraint can have a circumferential ring body surrounding a central axis. A plurality of jacking assemblies can be secured to a portion of the ring body. Each jacking assembly can have a frame and a jacking bolt. The frame can have a threaded aperture that can receive the jacking bolt. Each jacking bolt can be selectively actuatable for radial movement relative to the central axis to deform the pipe proximate the maximum outer diameter of the pipe by selectively urging an outer surface of the pipe to the desired substantially constant outer diameter.
대표청구항▼
1. A joint restraint configured to selectively mount to a portion of a pipe, wherein the pipe is irregularly shaped and has a maximum outer diameter that differs from a desired substantially constant outer diameter that is configured for receipt within a socket, the joint restraint comprising: a cir
1. A joint restraint configured to selectively mount to a portion of a pipe, wherein the pipe is irregularly shaped and has a maximum outer diameter that differs from a desired substantially constant outer diameter that is configured for receipt within a socket, the joint restraint comprising: a circumferential ring body surrounding a central axis and having an inner surface, an opposed outer surface, and opposed first and second surfaces that extend between the respective inner and outer surfaces, wherein the inner surface of the ring body defines an inner diameter that is greater than the maximum outer diameter of the pipe, and wherein the ring body defines a plurality of bores that extend radially between the inner and outer surfaces relative to the central axis, wherein the plurality of bores are spaced circumferentially about the opposed inner and outer surfaces;a plurality of bolts, wherein each bore of the ring body is configured to receive a respective bolt of the plurality of bolts, wherein each bolt is configured for selective radial movement relative to the central axis to apply a mechanical load to an outer surface of the pipe;a plurality of jacking assemblies secured to a portion of the first surface of the ring body, each jacking assembly comprising: a frame defining an aperture that extends radially relative to the central axis; anda jacking bolt,wherein the aperture of the frame is configured to receive the jacking bolt, wherein the jacking bolt is selectively radially moveable relative to the central axis to deform the pipe proximate the maximum outer diameter of the pipe to selectively urge an outer surface of the pipe to the desired substantially constant outer diameter. 2. The system of claim 1, wherein the plurality of jacking assemblies comprises at least one pair of opposed jacking assemblies, and wherein the jacking assemblies of each pair of opposed jacking assemblies are positioned in circumferential opposition to one another about the circumferential ring body. 3. The joint restraint of claim 2, wherein the at least one pair of opposed jacking assemblies comprises a plurality of pairs of opposed jacking assemblies. 4. The joint restraint of claim 2, wherein each pair of opposed jacking assemblies comprises a first jacking assembly and an opposed second jacking assembly, wherein the first jacking assemblies of the plurality of pairs of opposed jacking assemblies are spaced along a first arc segment of the ring body that defines a first central angle at the central axis of the ring body, wherein the second jacking assemblies of the plurality of pairs of opposed jacking assemblies are spaced along a second arc segment of the ring body that defines a second central angle at the central axis of the ring body, and wherein the first and second central angles are less than about 45 degrees. 5. The joint restraint of claim 1, wherein the frames of the plurality of jacking assemblies are integrally formed to a portion of the first surface of the ring body. 6. The joint restraint of claim 1, wherein the ring body defines a plurality of slots that extend between the opposed first and second surfaces of the ring body, wherein each slot of the plurality of slots is configured to receive a corresponding fastener. 7. The joint restraint of claim 6, wherein the plurality of slots are spaced circumferentially about the opposed first and second surfaces. 8. The joint restraint of claim 1, further comprising a gasket configured to be positioned onto the pipe. 9. The joint restraint of claim 1, further comprising a plurality of inserts, wherein each insert of the plurality of inserts is configured for receipt within a respective bore of the plurality of bores of the ring body, and wherein each bolt of the plurality of bolts is configured to apply a mechanical load to a corresponding insert to transmit force to the outer surface of the pipe. 10. A method for deforming an outer diameter of an irregularly shaped pipe for insertion into a socket, comprising: positioning a joint restraint onto an outer surface of the pipe proximate a maximum outer diameter of the pipe, wherein the maximum outer diameter of the pipe differs from a desired substantially constant outer diameter that is configured for receipt within a socket, the joint restraint comprising: a circumferential ring body surrounding a central axis and having an inner surface, an opposed outer surface, and opposed first and second surfaces that extend between the respective inner and outer surfaces, wherein the inner surface of the ring body defines an inner diameter that is greater than the maximum outer diameter of the pipe, and wherein the ring body defines a plurality of bores that extend radially between the inner and outer surfaces relative to the central axis;a plurality of bolts;a plurality of jacking assemblies secured to a portion of the first surface of the ring body, each jacking assembly comprising: a frame defining an aperture that extends radially relative to the central axis; anda jacking bolt;positioning a gasket onto at least a portion of the pipe;positioning the jacking bolt of each jacking assembly within the aperture of the frame of the jacking assembly;selectively moving the jacking bolt of each jacking assembly radially inwardly relative to the central axis to deform the pipe proximate the maximum outer diameter of the pipe to urge an outer surface of the pipe to the desired substantially constant outer diameter; andinserting a distal end portion of the pipe into the socket;positioning at least a portion of the gasket within the socket; andselectively moving each bolt of the plurality of bolts radially inwardly relative to the central axis to transmit force to the outer surface of the pipe. 11. The method of claim 10, wherein the distal end portion of the pipe defines a distal end of the pipe, and wherein the joint restraint is placed between about 1 to about 10 inches from the distal end of the pipe. 12. The method of claim 10, wherein the plurality of jacking assemblies comprises at least one pair of opposed jacking assemblies, and wherein the jacking assemblies of each pair of opposed jacking assemblies are positioned in circumferential opposition to one another about the circumferential ring body. 13. The method of claim 12, wherein the at least one pair of opposed jacking assemblies comprises a plurality of pairs of opposed jacking assemblies. 14. The method of claim 10, wherein the socket is defined by a pipe element selected from the group consisting of a pipe and a fitting. 15. The method of claim 10, wherein the ring body defines a plurality of slots that extend between the opposed first and second surfaces of the ring body, and wherein the method further comprises positioning a fastener within each respective slot of the plurality of slots. 16. The method of claim 15, wherein the socket is defined by a pipe element selected from the group consisting of a pipe and a fitting, wherein at least a portion of the gasket is positioned between the circumferential ring body and a portion of the pipe element defining the socket, and wherein the method further comprises advancing the fastener within each respective slot of the plurality of slots to compress the gasket between the circumferential ring body and the pipe element. 17. The method of claim 10, wherein the joint restraint further comprises a plurality of inserts, wherein the method further comprises positioning each insert of the plurality of inserts within a respective bore of the plurality of bores of the ring body, wherein each bolt of the plurality of bolts is moved radially inwardly relative to the central axis to apply a mechanical load to a corresponding insert to transmit force to the outer surface of the pipe. 18. The method of claim 10, wherein the pipe has a minimum outer diameter that differs from a desired substantially constant outer diameter, wherein the deformation of the pipe proximate the maximum outer diameter of the pipe urges the outer surface of the pipe proximate the maximum outer diameter to the desired substantially constant outer diameter, and wherein the deformation of the pipe proximate the minimum outer diameter of the pipe urges the outer surface of the pipe proximate the minimum outer diameter to the desired substantially constant outer diameter. 19. A joint restraint configured to selectively mount to a portion of a pipe, wherein the pipe is irregularly shaped and has a maximum outer diameter that differs from a desired substantially constant outer diameter that is configured for receipt within a socket, the joint restraint comprising: a circumferential ring body surrounding a central axis and having an inner surface, an opposed outer surface, and opposed first and second surfaces that extend between the respective inner and outer surfaces, wherein the inner surface of the ring body defines an inner diameter that is greater than the maximum outer diameter of the pipe, and wherein the ring body defines a plurality of bores that extend radially between the inner and outer surfaces relative to the central axis, wherein the ring body defines a plurality of slots that extend between the opposed first and second surfaces of the ring body, wherein each slot of the plurality of slots is configured to receive a corresponding fastener;a plurality of bolts, wherein each bore of the ring body is configured to receive a respective bolt of the plurality of bolts, wherein each bolt is configured for selective radial movement relative to the central axis to apply a mechanical load to an outer surface of the pipe;a plurality of jacking assemblies secured to a portion of the first surface of the ring body, each jacking assembly comprising: a frame defining an aperture that extends radially relative to the central axis; anda jacking bolt,wherein the aperture of the frame is configured to receive the jacking bolt, wherein the jacking bolt is selectively radially moveable relative to the central axis to deform the pipe proximate the maximum outer diameter of the pipe to selectively urge an outer surface of the pipe to the desired substantially constant outer diameter.
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