Removable insert for forming recess

Details Removable insert for forming recess Removable insert for forming recess

1995-11-02

1997-07-29

Nguyen, Khanh P.

Static molds

Uniting preform with molding material

Including means other than mold surface to support preform

249 91, 249177, 249179, 249183, B28B 706, B28B 716

Patent

active

056519117

ABSTRACT:
A removable insert for forming a recess in wet concrete which locates a pulling iron or anchor in wet concrete, and when the concrete hardens the insert is removed, and the anchor may be engaged by a hook and cable to move the resultant concrete structure. The insert, which may be placed at any desired location in the concrete structure, is of a resilient, molded elastomeric material with a central opening to engage the pulling iron or anchor, with a slot therein, which is closed or shaped and which may have a V-shaped removable wedge in the slot. The insert is molded with a flat top with sloping sides, extending downwardly therefrom to a semicircular bottom surface, with threaded inserts in the top which have bolts inserted therein for fastening the insert to a plate and for squeezing to open the slot to permit withdrawal of the insert from the pulling iron or anchor, and which provides a recess, which contains the anchor. The top plate may also have magnets or glue or double-faced tape thereon for attachment to a plate which forms a portion of the mold for the concrete structure.

REFERENCES:
patent: 4821994 (1989-04-01), Fricker
patent: 5004208 (1991-04-01), Domizio
patent: 5061112 (1991-10-01), Monford, Jr.
patent: 5340629 (1994-08-01), Rodighiero
patent: 5489468 (1996-02-01), Davidson

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