Pipe coupling

Details Pipe coupling Pipe coupling

1981-11-20

1983-12-20

Scanlan, Jr., Richard J.

Pipe joints or couplings

Packed

Sleeve

285373, 285383, 285417, 285 12, F16L 1700, F16L 2500, F16L 2100

Patent

active

044213476

ABSTRACT:
In a pipe coupling including a housing having a bore for receiving the end of a pipe, and clamping means for clamping the pipe to the housing, the clamping means is formed on its inner face with a first circumferentially-extending recess for receiving a first clamping ring, and with a second circumferentially-extending recess axially spaced from said first recess for receiving a second clamping ring of a different hardness than the first clamping ring, to thereby enable the coupling to be used for coupling pipes of different hardnesses by selecting the appropriate clamping ring and inserting it into its respective recess.

REFERENCES:
patent: 2005056 (1935-06-01), Stephens
patent: 2020554 (1935-11-01), Johnson
patent: 2225208 (1940-12-01), Crickmer
patent: 3423111 (1969-01-01), Elsner
patent: 4045060 (1977-08-01), Daigle

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