Pipe joints or couplings – For branched path – T-type
Patent
1993-11-09
1995-09-12
Nicholson, Eric K.
Pipe joints or couplings
For branched path
T-type
285156, 285138, 285245, F16L 918
Patent
active
054492033
ABSTRACT:
A double wall compression fitting is dimensioned for attachment to a double wall pipeline system having an inner pipeline and an outer pipeline. The fitting is comprised of an inner housing having at least two terminals, an outer housing encasing the inner housing in a manner to form an annular space therebetween and a compression connecting assembly. The compression connecting assembly connects the inner and outer housings to the double wall pipeline system so that the annular space between the housings is in communication with an annular space between the pipelines of the double wall pipeline system. The compression connecting assembly includes a coupler with means to compress it to form a compression seal with the outer pipeline, and a substantially non-compressible spacer with communication means.
REFERENCES:
patent: 2956586 (1960-10-01), Zeigler et al.
patent: 3980112 (1976-09-01), Basham
patent: 4122968 (1978-10-01), Germain
patent: 4149568 (1979-04-01), Kuntz et al.
patent: 4274549 (1981-06-01), Germain
patent: 4871196 (1989-10-01), Kingsford
patent: 4886305 (1989-12-01), Martin
patent: 4922971 (1990-05-01), Grantham
Nicholson Eric K.
Wilson Charles R.
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