Concrete hole former

Details Concrete hole former Concrete hole former

1996-03-01

1998-09-15

Woo, Jay H.

Static molds

In situ construction engineering type or building type-mold...

Forming hydraulic and earth control type product in situ

249151, 249177, 249184, B28B 730

Patent

active

058068295

ABSTRACT:
A hole former for use in forming a concrete wall section having a hole extending therethrough. The concrete wall section is fabricated in a cavity that is defined by a first and a second form. The hole former comprises a plug and a preferably detachable suction cup. The suction cup retains the plug in a selected position between the first and second forms while concrete is being poured into the cavity.

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