Pipe coupling
First Claim
Patent Images
1. A pipe coupling, comprising:
- a sleeve including a flange at an end of the sleeve, the flange having an axially outwardly directed face; and
a clamping ring mounted to the flange, the clamping ring carrying a seal, the clamping ring including first and second clamping ring portions, the first and second clamping ring portions functioning as a unitary ring when a first bearing face of the first clamping ring portion is brought into abutting contact with a second bearing face of the second clamping ring portion such that the first and second clamping ring portions are rotatably fixed relative to one another, the clamping ring including a surface to urge an inwardly directed face of the seal axially against the axially outwardly directed face of the flange as the first and second clamping ring portions are moved toward one another;
wherein the clamping ring includes exactly two clamping ring portions.
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Abstract
A pipe coupling includes a sleeve and a clamping ring. The sleeve includes a flange at least one end. The clamping ring is mounted to the flange. The clamping ring carries a seal and includes two spaced apart bolt engagement portions. The clamping ring further includes two separate clamping ring portions that are removably connected together at a coupling portion of each respective separate clamping ring portion so that each clamping ring portion is separable from the other one. The two separate clamping ring portions function as a unitary ring when the coupling portions are brought into abutting contact such that the coupling portions are fixed relative to each other.
191 Citations
25 Claims
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1. A pipe coupling, comprising:
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a sleeve including a flange at an end of the sleeve, the flange having an axially outwardly directed face; and a clamping ring mounted to the flange, the clamping ring carrying a seal, the clamping ring including first and second clamping ring portions, the first and second clamping ring portions functioning as a unitary ring when a first bearing face of the first clamping ring portion is brought into abutting contact with a second bearing face of the second clamping ring portion such that the first and second clamping ring portions are rotatably fixed relative to one another, the clamping ring including a surface to urge an inwardly directed face of the seal axially against the axially outwardly directed face of the flange as the first and second clamping ring portions are moved toward one another; wherein the clamping ring includes exactly two clamping ring portions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A pipe coupling, comprising:
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a sleeve including a flange at an end of the sleeve, the flange having an axially outwardly directed face; and a clamping ring mounted to the flange, the clamping ring carrying a seal, the clamping ring including first and second clamping ring portions, the first and second clamping ring portions functioning as a unitary ring when a first bearing face of the first clamping ring portion is brought into abutting contact with a second bearing face of the second clamping ring portion such that the first and second clamping ring portions are rotatably fixed relative to one another, the clamping ring including a surface to urge an inwardly directed face of the seal axially against the axially outwardly directed face of the flange as the first and second clamping ring portions are moved toward one another; wherein the seal is a nested seal having an inner circumferential seal nested within an outer circumferential seal; and wherein the inner circumferential seal includes a plurality of outer peripheral ridges that mate with a corresponding plurality of inner peripheral grooves on an inner surface of the outer circumferential seal.
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12. A pipe coupling, comprising:
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a sleeve including a flange at an end of the sleeve, the flange having an axially outwardly directed face; a clamping ring mounted to the flange, the clamping ring carrying a seal, the clamping ring including first and second clamping ring portions, the first and second clamping ring portions functioning as a unitary ring when a first bearing face of the first clamping ring portion is brought into abutting contact with a second bearing face of the second clamping ring portion such that the first and second clamping ring portions are rotatably fixed relative to one another, the clamping ring including a surface to urge an inwardly directed face of the seal axially against the axially outwardly directed face of the flange as the first and second clamping ring portions are moved toward one another; and an exterior handle connected to a central portion of the sleeve.
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13. A pipe coupling, comprising:
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a sleeve including a flange at an end of the sleeve; a clamping ring mounted to the flange, the clamping ring carrying a seal, the clamping ring including first and second clamping ring portions, the first and second clamping ring portions functioning as a unitary ring when a first bearing face of the first clamping ring portion is brought into abutting contact with a second bearing face of the second clamping ring portion such that the first and second clamping ring portions are rotatably fixed relative to one another, the clamping ring and seal configured to engage the pipe coupling with pipes having diameters between four and twelve inches and to create an effective seal therebetween; and an exterior handle connected to a central portion of the sleeve. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A pipe coupling, comprising:
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a sleeve including a flange at an end of the sleeve; a clamping ring mounted to the flange, the clamping ring carrying a seal, the clamping ring including first and second clamping ring portions, the first and second clamping ring portions functioning as a unitary ring when a first bearing face of the first clamping ring portion is brought into abutting contact with a second bearing face of the second clamping ring portion such that the first and second clamping ring portions are rotatably fixed relative to one another, the clamping ring configured to capture an end of a pipe inserted through the clamping ring after the clamping ring has been mounted to the flange by compressing the seal around an outside of the pipe; and an exterior handle connected to a central portion of the sleeve. - View Dependent Claims (21, 22, 23, 24, 25)
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Specification