Split threaded coupling nut

Details Split threaded coupling nut Split threaded coupling nut

1979-01-10

1980-10-07

Arola, Dave W.

Pipe joints or couplings

With casing, lining or protector

Insulated

285 39, 285373, 285387, 285DIG22, 285354, F16B 3302

Patent

active

042261643

ABSTRACT:
A pair of first and second coextensive generally semicylindrical nut halves are provided and include exterior surface portions engageable by hand or tools to facilitate turning of the halves, together, as a unitary nut. The nut halves include coextensively threaded inner surfaces and abuttingly and releasably interlocking structure on their adjacent arc ends whereby the nut halves are secured together as a unitary structure for utilization as a threaded coupling nut.

REFERENCES:
patent: 436357 (1890-09-01), King
patent: 609509 (1898-08-01), Jensen
patent: 919913 (1909-04-01), Miller
patent: 1082993 (1913-12-01), Beattie
patent: 1405342 (1922-01-01), Shoffer
patent: 2439979 (1948-04-01), Krooss
patent: 3413017 (1968-11-01), Hughey
patent: 3428337 (1969-02-01), Read
patent: 3498642 (1970-03-01), Berger
patent: 3633943 (1972-01-01), Rumm
patent: 3689110 (1972-09-01), Ferguson

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