Pipe joints or couplings – With assembly means or feature – Guide
Patent
1983-10-03
1985-06-11
Callaghan, Thomas F.
Pipe joints or couplings
With assembly means or feature
Guide
285115, 285334, F16L 1500
Patent
active
045224315
ABSTRACT:
Connector apparatus includes a guide surface, or edge, spaced from interval threads on one member for receiving external threads on a second member, whereby the two members may be threadedly engaged with the guide surface constraining relative orientation between the two members prior to threaded engagement to avoid cross-threading.
REFERENCES:
patent: 1161780 (1915-11-01), McClelland
patent: 1549757 (1925-08-01), Farmer
patent: 1637628 (1927-08-01), Weisgerber
patent: 1880269 (1932-10-01), Murray
patent: 1933749 (1933-11-01), Murray
patent: 4154466 (1979-05-01), Simmons
Callaghan Thomas F.
Dril-Quip Inc.
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