Extension joint for concrete piles

Details Extension joint for concrete piles Extension joint for concrete piles

1980-04-22

1982-12-07

Kundrat, Andrew V.

Joints and connections

Including ancillary means blocking disconnection of joint

Blocker for assembled joint retainer

403374, 405251, E04B 148

Patent

active

043624170

ABSTRACT:
The invention relates to an extension joint for concrete piles of the type in which at least one pin in a first pile penetrates into a recess in a second pile. The end of the pin is provided with a shoulder and is locked in the second pile by means of a wedge having shanks each engaging one side of the pin. The wedge is locked in its driven-in position while being driven in by the bending of the shanks towards each other after they have passed the pin.

REFERENCES:
patent: 2013962 (1935-09-01), Hutchens
patent: 3626652 (1971-12-01), Hanley
patent: 3858993 (1975-01-01), Lovisa et al.
patent: 3884589 (1975-05-01), Liedholm

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