Pipe joints or couplings – With casing – lining or protector – Insulated
Patent
1974-09-12
1976-03-16
Callaghan, Thomas F.
Pipe joints or couplings
With casing, lining or protector
Insulated
285249, F16L 5700, F16L 3320
Patent
active
039442624
ABSTRACT:
A meter riser for connecting normally buried plastic pipe to metallic couplings which are normally disposed above the ground for connection with utility meters, such as gas meters and the like, and comprising means for connecting the plastic pipe being encased in a metallic sheath, and having insulating means disposed around at least a portion of the metallic sheath and plastic pipe in the proximity of the connecting means securing the plastic pipe to the metallic coupling for protecting the plastic pipe against adverse environmental conditions.
REFERENCES:
patent: 2937036 (1960-05-01), Watkins
patent: 3137143 (1964-06-01), Jacobs et al.
patent: 3207533 (1965-09-01), Van Gundy et al.
patent: 3369826 (1968-02-01), Boosey et al.
patent: 3861719 (1975-01-01), Hand
Gardner Robert P.
Stiner Roy E.
Callaghan Thomas F.
Continental Industries, Inc.
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