Spacer bar and related method for concrete pipe manufacture

Details Spacer bar and related method for concrete pipe manufacture Spacer bar and related method for concrete pipe manufacture

1981-07-30

1984-08-28

Bryant, III, James E.

Static molds

Container-type molding device

Having plural mold sections

138175, 245 2, 249 83, F16L 5500

Patent

active

044679955

ABSTRACT:
A method, apparatus and resulting assembly wherein a concrete pipe reinforcing cage assembly is spaced from the walls of a pipe-making form by means of several spacer bars, each comprising a tie rod to which are secured a plurality of links. The spacer bars are inserted into the case assembly with the links projecting generally radially therefrom and the resulting final assembly is inserted into the pipe form with the ends of the spacer links engaging the pipe form and spacing the cage assembly therefrom.

REFERENCES:
patent: 1826043 (1931-10-01), Bitney
patent: 1855807 (1932-04-01), Older
patent: 1871809 (1932-08-01), Lampert
patent: 1896279 (1933-02-01), Bitney
patent: 3289378 (1966-12-01), Carroll
patent: 3440792 (1969-04-01), Schmidgall
patent: 3840054 (1974-10-01), Tolliver

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