Drive fit coupling for precast concrete piles

Details Drive fit coupling for precast concrete piles Drive fit coupling for precast concrete piles

1983-06-27

1985-08-27

Taylor, Dennis L.

Hydraulic and earth engineering

Foundation

Columnar structure

405251, 403305, 403282, E02D 500, E02D 572

Patent

active

045375348

ABSTRACT:
A drive fit coupling for joining together a pair of plain end concrete piles each having a polygonal cross sectional configuration is disclosed. A metal sleeve is provided in which a portion of the perimeter of the sleeve wall expands outwardly as the piles are driven into the sleeve causing the sleeve to fit tightly over the ends of the piles. The friction of the sleeve around the pile ends is sufficient to resist bending thereby keeping the joined piles straight during driving. Center stopping means is also provided to prevent a pile from entering the sleeve beyond the vertical center thereof.

REFERENCES:
patent: 1976776 (1934-10-01), Gookin
patent: 2865290 (1958-12-01), Bonsper
patent: 3172507 (1965-03-01), Blyveis
patent: 3540224 (1970-11-01), Pogonowski
patent: 3555831 (1971-01-01), Pogonowski
patent: 3762173 (1973-10-01), Marsh
patent: 3796057 (1974-03-01), Dougherty
patent: 3915481 (1975-10-01), Marsh, Jr.
patent: 3924413 (1975-12-01), Marsh
patent: 3958817 (1976-05-01), Marsh, Jr.
patent: 4382721 (1983-05-01), King

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