A pipe coupler for coupling a first pipe to a second pipe comprises: a body; a first flange and a second flange; and a gasket. The body, first flange, second flange, and gasket are dimensioned to have an assembled condition. The gasket, first flange, and second flange are coaxial. The gasket is axia
A pipe coupler for coupling a first pipe to a second pipe comprises: a body; a first flange and a second flange; and a gasket. The body, first flange, second flange, and gasket are dimensioned to have an assembled condition. The gasket, first flange, and second flange are coaxial. The gasket is axially sandwiched between an inboard face of the first flange and an inboard face of the second flange. The body encircles the gasket, first flange, and second flange and has a first portion axially outboard of the first flange and a second portion axially outboard of the second flange.
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1. A pipe coupler for coupling a first pipe to a second pipe, the coupler comprising: a body;a first flange and a second flange each having an axially inboard face and an axially outboard face; anda gasket, wherein the body, first flange, second flange and gasket are dimensioned to have an assembled
1. A pipe coupler for coupling a first pipe to a second pipe, the coupler comprising: a body;a first flange and a second flange each having an axially inboard face and an axially outboard face; anda gasket, wherein the body, first flange, second flange and gasket are dimensioned to have an assembled condition wherein: the gasket, first flange, and second flange are coaxial;the gasket is elastomeric and has a radially inwardly-open C-shaped cross-section;the axially inboard face of the first flange and the axially inboard face of the second flange diverge from each other radially inwardly;the gasket is axially sandwiched between said axially inboard face of the first flange and said axially inboard face of the second flange; andthe body encircles the gasket, first flange, and second flange and engages the gasket between the first flange and the second flange and has a first portion axially outboard of the first flange and a second portion axially outboard of the second flange, the first portion and the second portion each having an inner face respectively positioned to engage the axially outboard face of the first flange and the axially outboard face of the second flange. 2. The pipe coupler of claim 1 wherein: the body has a plurality of segments securable end-to-end. 3. The pipe coupler of claim 2 wherein: the body segments are circumferentially bolted end-to-end. 4. The pipe coupler of claim 1 wherein: the axially inboard face of the first flange and the axially inboard face of the second flange have conic half angles (θ1) of 65° to 85°. 5. The pipe coupler of claim 1 wherein: the first flange and the second flange are respective portions of a first adapter and a second adapter, each having: a main body extending from a first rim to a second rim and having an inboard surface and an outboard surface; andthe associated flange protruding from the outboard surface and axially recessed from the first rim and second rim. 6. The pipe coupler of claim 5 wherein: the first adapter and the second adapter are plastic. 7. The pipe coupler of claim 1 wherein: the first flange and the second flange have outer diameters (OD2) greater than characteristic outer diameters (OD1) of the first pipe and the second pipe. 8. A pipe joint comprising: the pipe coupler of claim 1 in its assembled condition;a first pipe secured to the first flange; anda second pipe secured to the second flange. 9. The pipe joint of claim 8 wherein: the first pipe and the second pipe are plastic. 10. The pipe joint of claim 8 wherein: the gasket is in sealing engagement with the first flange and the second flange and is radially supported by the body. 11. The pipe joint of claim 8, wherein: the pipe joint has a nominal diameter of 1 inch to 24 inch. 12. The pipe joint of claim 8, wherein: the first flange and second flange protrude radially beyond the gasket; andthe body has a radially-inwardly protruding portion engaging the gasket between the first flange and the second flange. 13. A method for using the pipe coupler of claim 1 in a piping system, the method comprising: applying the gasket to a first piping element bearing the first flange;mating to the gasket a second piping element bearing a second flange; andapplying the body. 14. The method of claim 13 wherein the applying the body comprises securing body segments end-to-end. 15. The method of claim 14 wherein: the securing of the first piping element to the first pipe is via butt fusion welding; andthe securing of the second piping element to the second pipe is via butt fusion welding. 16. The method of claim 13 further comprising pressurizing the piping system so as to: drive the gasket radially outward to increase its engagement with the first flange and the second flange. 17. The method of claim 13 further comprising: securing the first piping element to a first pipe; andsecuring the second piping element to a second pipe. 18. A pipe coupler for coupling a first pipe to a second pipe, the coupler comprising: a body;a first flange and a second flange each having an axially inboard face and an axially outboard face; anda gasket, wherein the body, first flange, second flange and gasket are dimensioned to have an assembled condition wherein: the gasket is elastomeric and has a radially inwardly-open C-shaped cross-section;the gasket, first flange, and second flange are coaxial;the gasket is axially sandwiched between said axially inboard face of the first flange and said axially inboard face of the second flange; andthe body encircles the gasket, first flange, and second flange and has a first portion axially outboard of the first flange and a second portion axially outboard of the second flange. 19. The pipe coupler of claim 18 wherein: the body engages the gasket between the first flange and the second flange. 20. The pipe coupler of claim 18 wherein: the first flange protrudes radially outward from a first outer diameter surface;the second flange protrudes radially outward from a second outer diameter surface; andthe gasket has respective surfaces sealing with the first outer diameter surface and the second outer diameter surface.
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이 특허에 인용된 특허 (6)
M?eckle,Raimund; Junghans,Karl Heinz, Clamp coupling for pipes.
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