Reducing coupling

Details Reducing coupling Reducing coupling

1985-12-19

1987-03-10

Callaghan, Thomas F.

Pipe joints or couplings

Elbow

285337, 285368, F16L 2300

Patent

active

046486313

ABSTRACT:
A coupling for connecting the ends of two pipes of different diameters comprised of a body member having a radially extending wall and sleeve portions which extend in opposite directions from the radial wall. Each sleeve portion has associated with it a series of bolts extending from ears or lugs on the sleeve portion to followers which engage sealing rings. The bolt heads at each of the sleeve portions are arranged adjacent to and are circumferentially aligned with each other so that during installation the bolt heads used on the larger diameter sleeve prevent the bolt heads mounted on the sleeve of smaller diameter from falling out of their slots wherein field installation is greatly facilitated.

REFERENCES:
patent: 1447192 (1923-03-01), Watson
patent: 1671789 (1928-05-01), Smith
patent: 2288225 (1942-06-01), Boughton
patent: 3782683 (1974-01-01), Lee et al.

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