B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
25/7
B28B 21/90 (2006.01) B28B 13/06 (2006.01)
Patent
CA 1195829
ABSTRACT OF THE DISCLOSURE An apparatus for manufacturing concrete pipes having a molding flask provided with a specially formed end ring on the bell end side. The apparatus further includes a device for detaching this end ring and another device disposed at the spigot end side and allotted for thrusting a hardened concrete pipe out of the molding flask.
412818
Fetherstonhaugh & Co.
Kabushiki Kaisha Koto Kogyo
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