Hydraulic and earth engineering – Foundation – Columnar structure
Patent
1982-05-20
1983-11-08
Taylor, Dennis L.
Hydraulic and earth engineering
Foundation
Columnar structure
52223R, 249178, 405231, 405251, E02D 530, E02D 534
Patent
active
044139276
ABSTRACT:
An element for use in concrete pile casting to align coupling members on end fittings during the pile casting operation. The end fittings have key grooves, each such groove designed, when two concrete pile sections are to be joined together, to receive therein a locking key to interconnect the end fitting at one of the ends of a concrete pile section with a matching end fitting at the opposed end of the other pile section. At the bottom of each key groove is formed a through-passage with a recessed seat therein to accommodate the coupling member which rests freely in the seat and which is coupled to a reinforcement iron rod extending lengthwise through the concrete pile.
The aligning element comprises a presser means extending through a support member which is placed in one of the key grooves. The presser means is arranged to be pressed against the free end of the coupling member while the side faces of the key groove serve as back-up faces to said support member.
REFERENCES:
patent: 3248888 (1966-05-01), Williams
patent: 3504500 (1970-04-01), Fristedt
patent: 3603557 (1971-09-01), Lind
patent: 3901042 (1975-08-01), Wahman
patent: 3953981 (1976-05-01), Axelsson et al.
patent: 4316595 (1982-02-01), Wheeler et al.
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