IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0125148
(2008-10-22)
|
등록번호 |
US-8746632
(2014-06-10)
|
국제출원번호 |
PCT/NL2008/000238
(2008-10-22)
|
§371/§102 date |
20110420
(20110420)
|
국제공개번호 |
WO2010/047578
(2010-04-29)
|
발명자
/ 주소 |
- Walraven, Jan van
- Juzak, Marek
|
출원인 / 주소 |
- J. Van Walraven Holding B.V.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
4 |
초록
▼
A riser clamp (1) has two opposed clamp halves (2, 3), each of said clamp halves (2, 3) having a semicircular section (21,31) opposing the semicircular section of the other clamp half for surrounding a riser pipe. Each of said clamp halves has at the ends of its semicircular section radially extendi
A riser clamp (1) has two opposed clamp halves (2, 3), each of said clamp halves (2, 3) having a semicircular section (21,31) opposing the semicircular section of the other clamp half for surrounding a riser pipe. Each of said clamp halves has at the ends of its semicircular section radially extending clamp flanges (22, 32) to be clamped against the corresponding opposing clamp flanges of the other clamp half. The riser clamp (1) is in use supported from beneath by a support surface. At least one of two opposing clamp flanges is provided with an isolation member (4) comprising a resilient support strip (41), which support strip (41) is located below the corresponding clamp flange for resiliency supporting it. The isolation member (4) further comprises at least one web (42) extending upwardly from the support strip (41) along the corresponding clamp flange, wherein said web (42) is attached to the corresponding clamp flange.
대표청구항
▼
1. Isolation member for a riser clamp, which in use is supported from beneath by a support surface, said riser clamp having two opposing clamp halves, each clamp half having a semicircular section opposing the semicircular section of the other clamp half for surrounding a riser pipe, and each clamp
1. Isolation member for a riser clamp, which in use is supported from beneath by a support surface, said riser clamp having two opposing clamp halves, each clamp half having a semicircular section opposing the semicircular section of the other clamp half for surrounding a riser pipe, and each clamp half having at the ends of the semicircular section radially extending clamp flanges to be clamped against the opposing clamp flanges of the other clamp half, wherein the isolation member is adapted to be provided on a clamp flange of the riser clamp half, the isolation member comprising a resilient support strip, which support strip is adapted to be located between said support surface and the lower edge of the clamp flange for resiliently supporting said clamp flange,the support strip having an upper side and a lower side wherein the isolation member further comprises at least one web extending upwardly from the upper side of the support strip, the web having a lower end connected to the support strip and having an upper end with an upper retaining means for engaging an upper edge of the clamp flange. 2. Isolation member according to claim 1, wherein the support strip has a width such that when the opposing clamp halves are clamped together it extends below two opposing clamp flanges for resiliently supporting said clamp flanges. 3. Isolation member according to claim 1, wherein a resilient locking lip is provided on the upper side of the support strip at a distance of the web, such that the lower end of the clamp flange can be received between the web and the locking lip. 4. Isolation member according to claim 1, wherein the upper retaining means is constituted by a leg extending substantially parallel with the support strip for engaging the upper edge of the clamp flange, and a downwardly extending resilient flange. 5. Isolation member according to claim 1, wherein the web is provided with at least one hole for passing through tightening members for tightening the opposing clamp flanges together. 6. Isolation member according to claim 3, wherein the web is provided with at least one hole for passing through tightening means for tightening the opposing clamp flanges together, and wherein at least one recess is provided in the resilient locking lip for allowing a tightening member to pass. 7. Isolation member according to claim 4, wherein the web is provided with at least one hole for passing through tightening means for tightening the clamp flanges together, and wherein at least one recess is provided in the downwardly extending resilient flange for allowing a tightening member to pass. 8. Isolation member according to claim 1, which basically is an extruded profile from an elastomeric material. 9. Isolation member according to claim 5, wherein a nut is provided that is fitted in the hole in the web. 10. Isolation member according to claim 9, wherein the nut has a collar which engages the web around said hole on the side of the web facing the corresponding clamp flange, such that the collar of the nut in use is located between said web of the isolation member and said clamp flange. 11. Riser clamp having two opposed clamp halves, each of said clamp halves having a semicircular section opposing the semicircular section of the other clamp half for surrounding a riser pipe, and each of said clamp halves having at the ends of its semicircular section radially extending clamp flanges to be clamped against the corresponding opposing clamp flanges of the other clamp half, said riser clamp in use to be supported from beneath by a support surface, wherein at least one of two opposing clamp flanges is provided with an isolation member comprising a resilient support strip, which support strip is located below the corresponding clamp flange for resiliently supporting it,said isolation member further comprising at least one web extending upwardly from the support strip along the corresponding clamp flange, wherein said web is attached to the corresponding clamp flange. 12. Riser clamp according to claim 11, wherein the support strip has a width such that when the opposing clamp halves are clamped together it extends below the two opposing clamp flanges for resiliently supporting said clamp flanges. 13. Riser clamp according to claim 11, wherein each of said opposing clamp flanges is provided with their own isolation member comprising a resilient support strip which extends below the corresponding clamp flange of the clamp half for resiliently supporting said clamp flange. 14. Riser clamp according to claim 11, wherein the web has a lower end connected to the support strip and an upper end with an upper retaining means for engaging on an upper edge of the corresponding clamp flange. 15. Riser clamp according to claim 14, wherein a resilient locking lip is provided on the support strip at a distance of the web, the lower end of the corresponding clamp flange being received between the web and the locking lip. 16. Riser clamp half according to claim 11, wherein the web is adhered to said corresponding clamp flange. 17. Riser clamp according to claim 11, wherein said clamp flange that is provided with the isolating member is provided with at least one hole for passing through a tightening member and the web of the isolating member is provided with at least one hole which is in line with said hole in said clamp flange for passing through a tightening member for tightening the opposing clamp halves together. 18. Riser clamp according to claim 17, wherein a nut is provided, which nut is fitted in said hole in the web and engages the clamp flange on a side facing away from the opposing clamp flange and wherein said opposing flange is provided with a through hole which a bolt extends for cooperating with said nut so as to tighten the two opposing flanges together. 19. Riser clamp half according to claim 18, wherein the nut has a collar which engages the web on the side of the web facing the corresponding clamp flange, such that said collar is enveloped between said web of the isolation member and said corresponding clamp flange. 20. Isolation member according to claim 11, wherein the web is provided with at least one hole for passing through tightening means for tightening the opposing clamp flanges together, and wherein at least one recess is provided in a resilient locking lip for allowing a tightening member to pass. 21. Isolation member according to claim 14, wherein the upper retaining means is constituted by a leg extending substantially parallel with the support strip for engaging the upper edge of the clamp flange, and a downwardly extending resilient flange, wherein the web is provided with at least one hole for passing through tightening means for tightening the clamp flanges together, and wherein at least one recess is provided in the downwardly extending resilient flange for allowing a tightening member to pass.
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