Static molds – In situ construction engineering type or building type-mold... – Forming building structure
Patent
1993-04-06
1995-01-17
Nguyen, Khanh
Static molds
In situ construction engineering type or building type-mold...
Forming building structure
249142, 249151, 249152, 249178, 249183, B28B 730
Patent
active
053819950
ABSTRACT:
A compressible band and end retainer assembly which secures opposite ends of a band to an intermediate spacer. The band mounts between facing concrete sidewall forms to define a hole, upon pouring and curing a slurry of surrounding concrete. Various band geometries permit hole formation in planar or curvilinear poured walls.
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Nguyen Khanh
Tschida Douglas L.
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