Pipe joints or couplings – Frangible element – Score line or groove
Patent
1978-05-19
1980-07-15
Callaghan, Thomas F.
Pipe joints or couplings
Frangible element
Score line or groove
4252R, 138 96R, 285 59, 285DIG22, F16L 5500
Patent
active
042124867
ABSTRACT:
A water closet protector stabilizer of the type used to permanently affix plastic soil pipe into concrete slabs and to provide protection against the infusion of wet concrete into the pipe during the pouring of the slab can be constructed utilizing a collar having a cylindrical section for mating with and attaching to the soil pipe and a flange attached to this collar which has a series of slots near the outer edge of the flange. A cover of a generally frustrum shape formed by a continuous wall has a series of fingers on the bottom most portion thereof. The cover is reversably attached to the collar by inserting the fingers into the slots on the flange. The cover has a top detachably mounted to the walls of the cover by a series of breakable bridgepoints. The top of the cover is composed of a flat disk having a series of sections mounted to each other by breakable bridgepoints. These sections can individually be removed to accommodate different sizes of mounting components which will be attached to the soil pipe after the concrete slab is poured.
REFERENCES:
patent: 2202147 (1940-05-01), Gerriets
patent: 2925461 (1960-02-01), Anderson
patent: 3048911 (1962-08-01), Almon
patent: 3419288 (1968-12-01), Logsdon
patent: 3643267 (1972-02-01), Winter
patent: 3654965 (1972-04-01), Gramain
patent: 3800486 (1974-04-01), Harvey
patent: 3823744 (1974-07-01), Logsdon
patent: 3866950 (1975-02-01), Skoch et al.
patent: 3963268 (1976-06-01), Widdicombe
patent: 4052759 (1977-10-01), Hill
Boswell K. H.
Callaghan Thomas F.
O'Brian Edward D.
The Logsdon Foundation
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