Plug connection for boring tubes

Details Plug connection for boring tubes Plug connection for boring tubes

1986-05-29

1987-10-06

Kundrat, Andrew V.

Joints and connections

With adjunctive protector, broken parts retainer, repair,...

Position or guide means

403318, 403326, 285305, B25G 300, F16D 100

Patent

active

046979476

ABSTRACT:
In the case of a plug connection for drilling or boring tubes, rods and worms for earth boring equipment with a male part and a female part, with a radial coupling for torque transfer and with an axial coupling having in the overlap zone of the male and female parts a locking device which can be introduced into an annulus for transferring axial forces, it is provided that the locking device is constructed as a multilink chain, which essentially extends around the entire annulus and which is introduced through the female part into the annulus via a single opening. This device provides a plug connection, which has a very simple construction and after extremely rapid installation is suitable for transferring very high forces.

REFERENCES:
patent: 3239244 (1966-03-01), Leinfelt
patent: 3910566 (1975-10-01), Pedersen et al.
patent: 4293148 (1981-10-01), Milberger
patent: 4498874 (1985-02-01), Pichl

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