Flexible pipe saddle

Details Flexible pipe saddle Flexible pipe saddle

1989-09-01

1990-10-30

Arola, Dave W.

Pipe joints or couplings

End to side or plate

Saddle-type clamp

285423, F16L 500

Patent

active

049663976

ABSTRACT:
A flexible saddle device provides a leak-proof tap into pipes of various sizes. The saddle device, which is made of a flexible elastomeric material, has a fitting portion for receiving the end of a branch pipe and a coupling portion for coupling onto a main pipe. The coupling portion includes an arcuate wall that can be flexed to accommodate the outside diameters of various sized pipes. The coupling portion has circumferential edge portions which extend circumferentially on the main pipe and longitudinal edge portions which extend longitudinally on the main pipe. The longitudinal edge portions each have a stiffener, which is made of a relatively stiff material, and a lip that projects inwardly from the inner surface of the coupling portion. The stiffeners extend between the circumferential edge portions and resist outward bowing when the coupling portion is flexed to fit onto a pipe that is of a smaller radius than the unflexed coupling portion. The lips, in conjunction with the stiffeners, provide a seal along the longitudinal edge portions.

REFERENCES:
patent: 3188121 (1965-06-01), Cude et al.
patent: 3432188 (1969-03-01), Turner
patent: 3540759 (1970-11-01), Schneider
patent: 3649055 (1972-03-01), Nilsen
patent: 3825286 (1974-07-01), Henry
patent: 3843169 (1974-10-01), Wise
patent: 3891247 (1975-06-01), Smith
patent: 4494780 (1985-01-01), Burnett
patent: 4606558 (1986-08-01), Davidson

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