Pipe joints or couplings – Packed – Sleeve
Patent
1981-04-20
1982-12-14
Callaghan, Thomas F.
Pipe joints or couplings
Packed
Sleeve
285404, 285423, 285DIG16, 411258, F16L 4702
Patent
active
043635059
ABSTRACT:
A coupling to connect plastic pipe ends comprises:
REFERENCES:
patent: 51910 (1866-01-01), Barbaroux
patent: 839947 (1907-01-01), McCluskey
patent: 3022197 (1962-02-01), Jedlicka
patent: 3160054 (1964-12-01), Cohen et al.
patent: 3291670 (1966-12-01), Usab
patent: 3701548 (1972-10-01), McGuire
patent: 3711347 (1973-01-01), Wagner et al.
Callaghan Thomas F.
Haefliger William W.
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