[특허]Stepped ball joint pipe clamp and pre-attachment components therefor

Breeze-Torca Products, LLC

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Stepped ball joint pipe clamp and pre-attachment components therefor

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16L-027/04
미국특허분류(USC)	285/261; 285/420; 285/410
출원번호	UP-0025542 (2008-02-04)
등록번호	US-7770937 (2010-08-30)
발명자 / 주소	Ignaczak, Brian T. Amedure, Michael E.
출원인 / 주소	Breeze-Torca Products, LLC
대리인 / 주소	Reising Ethington P.C.
인용정보	피인용 횟수 : 4 인용 특허 : 23

초록
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A pipe clamp that is used over a ball joint formed between a balled end of a first pipe and a flared end of a second pipe. The pipe clamp has a band and a tightening mechanism. The band extends axially from a first edge to a second edge, and extends circumferentially from a first end to a second end. The band has a step formed circumferentially in a body of the band between the first and second edge. The step accommodates a stepped seam that is produced between the balled end and the flared end when they are overlapped with respect to each other. The tig...

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The invention claimed is: 1. A ball joint pipe clamp to join a first pipe having a balled end and a second pipe having a flared end that overlaps the balled end, the ball joint pipe clamp comprising: a band extending axially from a first edge to a second edge and extending circumferentially from a first end to a second end, said band having a step formed circumferentially therearound and axially between said first and second edges, said step accommodating a seam produced between the overlapping balled end and flared end, said step forming in said band an elevated side that includes said first edge and an unelevated side that includes said second edge, said elevated side having one radius and said unelevated side having another radius that is less than the radius of said elevated side; and a tightening mechanism connected to said first and second ends and having a fastener for drawing said first and second ends toward and away from each other to respectively tighten and loosen said band. 2. A ball joint pipe clamp as defined in claim 1, wherein said band has a plurality of circumferentially spaced strengthening beads, each of said plurality of beads extending axially from one end of said bead that is located on said unelevated side of said band to another end of said bead that is located at said step. 3. A ball joint pipe clamp as defined in claim 1, wherein said band has a single step formed circumferentially therearound and axially between said first and second edges. 4. A ball joint pipe clamp to join a first pipe having a balled end and a second pipe having a flared end that overlaps the balled end, the ball joint pipe clamp comprising: a band extending axially from a first edge to a second edge and extending circumferentially from a first end to a second end, said band having a step formed circumferentially therearound and axially between said first and second edges, said step accommodating a seam produced between the overlapping balled end and flared end, said step forming in said band an elevated side that includes said first edge and an unelevated side that includes said second edge; wherein, when tightened, said elevated side of said band bears substantially flush against an outer surface of the flared end, and said unelevated side of said band bears substantially flush against an outer surface of the balled end; and a tightening mechanism connected to said first and second ends and having a fastener for drawing said first and second ends toward and away from each other to respectively tighten and loosen said band. 5. A ball joint pipe clamp to join a first pipe having a balled end and a second pipe having a flared end that overlaps the balled end, the ball joint pipe clamp comprising: a band extending axially from a first edge to a second edge and extending circumferentially from a first end to a second end, said band having a step formed circumferentially therearound and axially between said first and second edges, said step accommodating a seam produced between the overlapping balled end and flared end, said step forming in said band an elevated side that includes said first edge and an unelevated side that includes said second edge; wherein said band has a plurality of circumferentially spaced strengthening beads, each of said plurality of beads extending axially from one end of said bead that is located on said unelevated side of said band to another end of said bead that is located on said elevated side of said band, said plurality of beads each having a first shape at one section of said bead and a second shape at another section of said bead; and a tightening mechanism connected to said first and second ends and having a fastener for drawing said first and second ends toward and away from each other to respectively tighten and loosen said band. 6. A ball joint pipe clamp to join a first pipe having a balled end and a second pipe having a flared end that overlaps the balled end, the ball joint pipe clamp comprising: a band extending axially from a first edge to a second edge and extending circumferentially from a first end to a second end, said band having a step formed circumferentially therearound and axially between said first and second edges, said step accommodating a seam produced between the overlapping balled end and flared end; and a tightening mechanism connected to said first and second ends and having a fastener for drawing said first and second ends toward and away from each other to respectively tighten and loosen said band; wherein at least one of said first and second ends includes a loop located radially outwardly of said tightening mechanism, and wherein the ball joint pipe clamp further comprises a bracket used to help maintain the position of the ball joint pipe clamp when the ball joint pipe clamp is pre-assembled on the flared end, said bracket having a base attached to the second pipe and having a projection extending from said base and being dimensioned and positioned such that said projection fits within said loop when the pipe clamp is assembled loosely over the flared end. 7. A ball joint pipe clamp to join a first pipe having a balled end and a second pipe having a flared end that overlaps the balled end, the ball joint pipe clamp comprising: a band extending axially from a first edge to a second edge and extending circumferentially from a first end to a second end, said band having a step formed circumferentially therearound and axially between said first and second edges, said step accommodating a seam produced between the overlapping balled end and flared end; a tightening mechanism connected to said first and second ends and having a fastener for drawing said first and second ends toward and away from each other to respectively tighten and loosen said band; and a clip having at least a pair of fingers used to retain the position of the balled end with respect to the ball joint pipe clamp, each of said fingers projecting axially beyond and radially below said first edge of said band, and each of said fingers defining a radially-inwardly facing surface that engages an outer surface of the balled end. 8. A ball joint pipe clamp to join a first pipe having a balled end and a second pipe having a flared end that overlaps the balled end, the ball joint pipe clamp comprising: a band extending axially from a first edge to a second edge and extending circumferentially from a first end to a second end, said band having a step formed circumferentially therearound and axially between said first and second edges, said step accommodating a seam produced between the overlapping balled end and flared end; wherein said band is pre-assembled to the flared end by a weld that is located adjacent said second edge; and a tightening mechanism connected to said first and second ends and having a fastener for drawing said first and second ends toward and away from each other to respectively tighten and loosen said band. 9. A ball joint, comprising: a first pipe having a nominal diameter alone at least a portion of the length of the pipe and having a balled end that extends from said nominal diameter portion to an axial edge of said first pipe, said balled end having an outer surface with a first radius; a second pipe having the same nominal diameter as the first pipe and having a flared end overlapping said balled end, said flared end having an inner surface with a second radius; and a pipe clamp including a band that overlaps both said balled end and said flared end, said band extending axially from a first edge to a second edge; wherein said first radius is greater than said second radius producing a circumferential sealing contact between said outer surface and said inner surface, said sealing contact being located at a free end of said flared end and a midsection of said balled end with said outer surface and said inner surface diverging away from said sealing contact in direction toward said axial edge of said balled end such that said axial edge of said balled end is separated from said inner surface of said flared end by a gap; and wherein said first edge of said band is positioned axially adjacent said gap. 10. A ball joint as defined in claim 9, wherein said pipe clamp is attached to said flared end at a position adjacent said first edge of said band. 11. A ball joint as defined in claim 10, wherein said pipe clamp is attached to said flared end via at least one weld between said band and said flared end. 12. A ball joint as defined in claim 9, wherein said band has a circumferentially-extending step located axially between said first and second edges. 13. A ball joint, comprising: a balled end of a first pipe, said balled end having an outer surface with a first radius; a flared end of a second pipe overlapping said balled end, said flared end having an inner surface with a second radius; and a pipe clamp including a band that overlaps both said balled end and said flared end; wherein said first radius is greater than said second radius producing a circumferential sealing contact between said outer surface and said inner surface, said sealing contact being located at a free end of said flared end and a midsection of said balled end with said outer surface and said inner surface diverging away from said sealing contact in direction toward a free end of said balled end; wherein said diverging outer surface and inner surface define a gap located therebetween, wherein said band extends axially from a first edge to a second edge, and wherein said band is attached to said flared end by a weld that is located at an axial position that is adjacent said second edge and at a radial position that is adjacent said gap. 14. A ball joint comprising: a balled end of a first pipe, said balled end having an outer surface with a first radius; a flared end of a second pipe overlapping said balled end, said flared end having an inner surface with a second radius; and a pipe clamp including a band that overlaps both said balled end and said flared end; wherein said first radius is greater than said second radius producing a circumferential sealing contact between said outer surface and said inner surface, said sealing contact being located at a free end of said flared end and a midsection of said balled end with said outer surface and said inner surface diverging away from said sealing contact in direction toward a free end of said balled end; wherein said balled end and said flared end overlap to produce a circumferential seam at said free end of said flared end, and wherein said band extends axially from a first edge to a second edge and forms a step circumferentially therearound and axially between said first edge and said second edge, said step accommodating said seam. 15. A ball joint as defined in claim 14, wherein said step forms an elevated side in said band having one radius, and forms an unelevated side in said band having another radius that is less than the radius of said elevated side. 16. A ball joint as defined in claim 15, wherein said elevated side bears substantially flush against an outer surface of said flared end, and said unelevated side bears substantially flush against said outer surface of said balled end. 17. A ball joint assembly, comprising: a first pipe having a balled end with an outer surface having a first radius; a second pipe having a flared end overlapping said balled end, said flared end having a free end and an inner surface having a second radius that is less than said first radius, said overlapping flared end and balled end producing a circumferential seam; and a pipe clamp including: a band overlapping both said balled end and said flared end, said band extending axially from a first edge to a second edge and extending circumferentially from a first end to a second end, said band having a step formed circumferentially therearound and axially between said first and second edges to accommodate said seam, said band being attached to said flared end at a weld point that is located adjacent said second edge; and a tightening mechanism connected to said first and second ends and having a fastener for drawing said first and second ends toward and away from each other to respectively tighten and loosen said band; wherein a circumferential sealing contact is produced between said outer surface and said inner surface and is located at said free end of said flared end and a midsection of said balled end with said outer surface and said inner surface diverging away from said sealing contact. 18. A ball joint assembly as defined in claim 17, wherein said step forms an elevated side in said band having one radius, and forms an unelevated side in said band having another radius that is less than the radius of said elevated side. 19. A ball joint assembly as defined in claim 18, wherein said elevated side bears substantially flush against an outer surface of said flared end, and said unelevated side bears substantially flush against said outer surface of said balled end. 20. A ball joint assembly as defined in claim 19, wherein said band has a single step formed circumferentially therearound and axially between said first and second edges.

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이 특허를 인용한 특허 피인용횟수: 4

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Stepped ball joint pipe clamp and pre-attachment components therefor

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Stepped ball joint pipe clamp and pre-attachment components therefor

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이 특허에 인용된 특허 (23)

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