B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
25/14
B28B 21/16 (2006.01) B28B 21/24 (2006.01)
Patent
CA 1284020
ABSTRACT OF THE DISCLOSURE A machine for making concrete pipe in which multiple-form sets can be coupled into one module so as to increase production output of the machine without an increase in machine manpower. The multiple-form modules are provided with adapters that make them compatible with conventional single-mode form sets and all cycles of production so that multiple-form modules can be usedsimultaneously with single-mode form sets. The multiple-form sets also utilize core vibration throughout the fill cycle, but unlike conventional core vibrationsystems, the amplitude and direction of vibration are continuously varied to distribute the vibration uniformly throughout the length of the pipe being formed.
525501
Schmidgall Hartzell H.
Schmidgall Jon A.
Finlayson & Singlehurst
Hawkeye Concrete Products Co.
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