HOLLOWCORE SLABS
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United States of America Patent
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Issued Date -
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app pub date -
Oct 17, 2012
filing date -
Mar 16, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Hollowcore apparatus for forming a concrete hollowcore slab, comprises a casting bed, side wall elements extending longitudinally of the casting bed for defining sides of a casting mould, at least one non-sacrificial inflatable core former, at least one, preferably non-sacrificial sleeve for substantially receiving the core former, the core former and the sleeve being interconnected and the in use sleeve being turnable inside out by removal of the core former from the casting bed, and at least one holder for preventing or limiting uplift of the in use inflated core former and sleeve relative to the casting bed. A method and hollowcore slab are also provided.
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