E - Fixed Constructions – 04 – F
Patent
E - Fixed Constructions
04
F
72/143
E04F 21/00 (2006.01) E04G 11/02 (2006.01) E04G 11/08 (2006.01)
Patent
CA 1235921
ABSTRACT An inner form set-up for use in forming a multi- sided upright concrete wall with inner and outer form set- ups. There is provided an arrangement for stripping the inner form set-ups which are formed with a multisided form wall. The arrangement comprises at least one wedge device dividing at least one side of the form wall into two portions and wedged in between the two portions in a first direction during casting. The wedge device is moved in a second direction opposite to the first direction after cast- ing whereby to move the two portions closer to one another so that the inner form set-up contracts and is therefore entirely spaced from the cast concrete.
474196
Lee Yuan-Ho
Marcoux & Sher Swabey Mitchell Houle
LandOfFree
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