Method and apparatus for production of concrete pipe by the...

Details Method and apparatus for production of concrete pipe by the... Method and apparatus for production of concrete pipe by the...

B - Operations, Transporting

28

B

25/16

B28B 21/26 (2006.01) B28B 21/24 (2006.01) B28B 21/56 (2006.01)

Patent

CA 1230736

ABSTRACT A packerhead, a concrete pipe making machine having said packerhead, and a method of making concrete pipe are disclosed in which twist forces on the reinforcing wire cage of the pipe and concrete voids are eliminated by rotation of the longbottom and rollerhead portions of the packerhead in opposite directions. The peripheral speed of the system is also increased over conventional systems.

459911

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