B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
25/3
B28B 21/02 (2006.01)
Patent
CA 1180167
ABSTRACT Apparatus for stripping the form jacket from a section of case concrete pipe in which an upward force is exerted on the jacket to strip it axially upwardly from a section of pipe standing on the floor or the like while simultaneously exerting a downward force against the pipe via a header ring at its upper end. The mechanism for exerting the downward force preferably includes an air cylinder acting between the upper header ring and a transverse beam that is connected to the jacket and lifted by an overhead hoist, for example.
401185
Schmidgall Hartzell H.
Schmidgall Jon A.
Schmidgall Ronald D.
Borden Ladner Gervais Llp
Hawkeye Concrete Products Of Canada Ltd.
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