Loaded sucker rod fitting

Details Loaded sucker rod fitting Loaded sucker rod fitting

1986-12-16

1988-11-29

Kundrat, Andrew V.

Joints and connections

Interfitted members

Radially interposed shim or bushing

403343, 403267, B25G 320, F16B 200

Patent

active

047877715

ABSTRACT:
A sucker rod string using composite rods is provided with socket units. The socket units are all box end units and are connected together with couplers having pin ends. Each of the socket units has a small angle tapered bore. Wedges between the rods and the tapered bore of the socket unit are prestressed by a threaded plug within the box end to a load equal to or greater than the design working load of the string.

REFERENCES:
patent: 1429371 (1922-09-01), Shaffer
patent: 3600014 (1971-08-01), Harris
patent: 4585368 (1986-04-01), Pagan
patent: 4597688 (1986-07-01), Pagan

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