Connecting device for pipe assemblies

Details Connecting device for pipe assemblies Connecting device for pipe assemblies

1992-08-03

1995-03-21

Reese, Randolph A.

Pipe joints or couplings

With indicator, alarm or inspection means

285236, 285177, 2853324, 285337, 285127, F16L 4300, F16L 2100

Patent

active

053989767

ABSTRACT:
A device for providing access to the interstitial region between an inner pipe and an outer pipe which coaxially define the region. The inner pipe has at least one terminal end extending from the outer pipe to leave a portion of the outer wall of the inner pipe exposed to thereby expose the interstitial region. A boot is provided for defining a chamber with a larger end snugly fitting the outer pipe and a small end snugly fitting on the exposed outer wall of the inner pipe. The boot has an access port communicating with the interior of the chamber to provide access to the interstitial region.

REFERENCES:
patent: 912671 (1909-02-01), Griesser
patent: 2345044 (1944-03-01), Hall
patent: 3061665 (1962-10-01), Rugg et al.
patent: 3860268 (1975-01-01), Zeman
patent: 3958425 (1976-05-01), Maroschak
patent: 4870856 (1989-10-01), Sharp
patent: 4968179 (1990-11-01), Frahm
patent: 5174610 (1992-12-01), Svendsen et al.

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