Concrete sleeper mould

Details Concrete sleeper mould Concrete sleeper mould

1986-07-08

1988-01-05

Woo, Jay H.

Static molds

Uniting preform with molding material

Rail or railway type preform

249 94, 249119, 2642979, B28B 726, B28B 2300

Patent

active

047171146

ABSTRACT:
In a bank of sleeper moulds wherein the moulds lie side by side and contain shoulder receiving apertures which locate shoulders during pouring, the improvements including a rocker shaft journalled for rotation with respect to the moulds and having retaining members thereon which retain the shoulders and urge them into engagement with locating means.

REFERENCES:
patent: 3471118 (1969-10-01), Bormann et al.
patent: 4038355 (1977-07-01), Bratchell
patent: 4102957 (1978-07-01), Da Re
patent: 4204660 (1980-05-01), Feuillade
patent: 4522367 (1985-06-01), Thim

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