Static molds – Container-type molding device – Including means securing molding device to detachable,...
Reexamination Certificate
2002-06-28
2004-05-11
Davis, Robert (Department: 1722)
Static molds
Container-type molding device
Including means securing molding device to detachable,...
C249S189000, C249S219100
Reexamination Certificate
active
06732995
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates forms and form supports used for creating cured pre-cast structures. More specifically, the present invention relates to configurations of pre-cast forms and form supports for use in forming and curing concrete panels.
Many residential and commercial construction methods involve the use pre-cast structures. Pre-cast panels, for example, are integral to the tilt-up construction process. In the tilt-up approach, concrete forms are arranged on a flat casting surface in the shape and dimension of the desired tilt-up panel and filled with concrete. When the concrete cures, the panel and the form are separated and the panel is tilted up into a preferred, typically vertical, orientation, where it can be joined to structural frames or other panels. The present inventor has recognized a need for improved form and form supports for use in creating pre-cast structures.
BRIEF SUMMARY OF THE INVENTION
This need is met by the present invention wherein improved forms and form supports are provided for use in forming pre-cast structures. In accordance with one embodiment of the present invention, a casting support is provided comprising a brace and a bracket. The brace includes bracing end portions defined on opposite extremities of the brace. The bracket includes first and second bracing faces that include at least one pair of bracing projections. A distance between the bracing end portions of the brace is greater than a distance defined between a bracing projection on the first bracing face to a bracing projection on the second bracing face. The brace is positioned to lend structural support to the bracket by urging it past the bracing projections into a secure bracing postion.
In accordance with another embodiment of the present invention, a casting form is provided comprising a plurality of form panels and a plurality of casting supports. The casting supports are configured to support the form panels in a substantially vertical orientation and each of the casting supports comprises a brace and a bracket according to the present invention.
In accordance with yet another embodiment of the present invention, a casting form is provided comprising a plurality of casting supports. Each of the casting supports comprises a brace and a bracket and each bracket comprises an integrally-formed form face spaced from and oriented parallel to a first bracing face of the bracket.
Accordingly, it is an object of the present invention to provide improved forms and form supports for use in fabricating pre-cast panels. Other objects of the present invention will be apparent in light of the description of the invention embodied herein.
REFERENCES:
patent: 3300920 (1967-01-01), Skaare
patent: 4579312 (1986-04-01), White
patent: 4846437 (1989-07-01), Fitzgerald
patent: 4996770 (1991-03-01), McCracken
patent: 5817247 (1998-10-01), Colatruglio
patent: 6536737 (2003-03-01), Davis
patent: 6540201 (2003-04-01), Gagnon et al.
Form Alignment Cleats: Panel Systems, Tilt-Up & Precast Concrete Products, http://www.panelsystemsinc.com/cleats.html, Mar. 5, 2002.
Dinsmore & Shohl LLP
Fukuvi USA, Inc.
Heckenberg Donald
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