Apparatus for producing concrete pipes

Details Apparatus for producing concrete pipes Apparatus for producing concrete pipes

1982-06-23

1984-05-29

Pavelko, Thomas P.

Plastic article or earthenware shaping or treating: apparatus

Female mold including tamping means or means utilizing mold...

Means to vibrate shaping surface

425435, B28B 2122

Patent

active

044512228

ABSTRACT:
An improved apparatus for producing concrete pipes includes a molding box and a pair of runner wheels for supporting the molding box. The box is vibrated while being rotated to disperse the components of ballast uniformly with sand and cement interposed therebetween. This apparatus makes it possible to produce concrete pipes having a higher strength.

REFERENCES:
patent: 2703916 (1955-03-01), Butler
patent: 3098764 (1963-07-01), Kao
patent: 3304591 (1967-02-01), Housmonn
patent: 4311632 (1982-01-01), Hiraoka

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