Sucker rod

Details Sucker rod Sucker rod

1981-08-31

1986-07-29

Kundrat, Andrew V.

Joints and connections

Molded joint

403343, B25G 334, F16B 1100

Patent

active

046028927

ABSTRACT:
The present invention envisions a concentric structural combination of elements, consisting of an elongate core component, which is terminated at each end on the internal surface of a chambered coupling, and a elongate sheath component which consists of an interlaced configuration of assemblies of non-metallic filamentary elements embedded in a polymer matrix, the sheath component being bonded at each end to the external surface of the coupling, the load-elongation characteristics of the core and sheath components being chosen so as to ensure that both components share substantially in the load-bearing under the working load conditions, with at least 50% of the load being borne by the aggregate of the non-metallic elements, and the sheath and matrix being disposed so as to substantially cover and protect the core and coupling components.

REFERENCES:
patent: 2874937 (1959-02-01), Higgins
patent: 3486557 (1969-12-01), Harrison
patent: 4063838 (1977-12-01), Michael
patent: 4275122 (1981-06-01), Fisher

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