Pipe coupling and pipe joint connection

Details Pipe coupling and pipe joint connection Pipe coupling and pipe joint connection

F - Mech Eng,Light,Heat,Weapons

16

L

285/4, 285/63

F16L 15/00 (2006.01) F16L 15/04 (2006.01) F16L 15/06 (2006.01)

Patent

CA 1115746

- 1 - Abstract A pipe coupling comprising a main body includ- ing (a) a threaded portion adapted for threaded engage- ment with an inside-coated pipe having a mating threaded end portion, (b) an annular groove and (c) an annular projection, said members (a), (b) and (c) being located on the inside circumferential surface of said main body in this order from each open end of the main body toward the central portion thereof, a short cylindrical body having one end abutting said annular projection and being mounted within said main body, and an annular packing mounted within the space defined by said threaded portion (a), said annular groove and the peripheral surface of said cylindrical body. A pipe joint connection is provided by threadedly engaging inside-coated pipes with the threaded portions of the coupling. The pipe coupling of the invention permits a leakage-free pipe joint connection on the job by simply threading inner-coated steel pipes and threadedly connecting these pipes through the coupling.

335630

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