Patent ID: 8215608
Filing Date: 2012-07-10
Classification: E01C

Abstract:
1. A radius forming system comprising: a plurality of flexible form members, each formed of a single wall thickness having a height, length and thickness, with a first end and a second end, a plurality of stake pockets, and a form connector, the stake pockets each being formed in a single piece having a plurality of fastener openings therethrough for attaching the stake pockets to the form members, the plurality of fastener openings being all of the openings in the stake pockets for attaching the stake pockets to the form members and including a first fastener opening therethrough arranged in a first end of the stake pocket to receive a fastening element and a second fastener opening therethrough spaced a first distance from the first fastener opening and arranged in a second end of the stake pocket to receive a fastening element and an intermediate portion having an enclosing shape defining a stake holder, the intermediate portion having at least one opening therethrough, and a locking member being received in the opening arranged to engage a stake positioned in the stake holder, all of the plurality of fastener openings in each stake pocket being arranged along a single generally vertical line, the form members each having a plurality of first openings and second openings spaced from each other by the first distance and spaced along the length of each form member, and each opening arranged to receive a fastening element, a third opening and a fourth opening spaced a second distance from each other and a third distance from the first end of each form member and each opening arranged to receive a fastening element, the form connector being formed of a single flat plate having a plurality of fastener openings therethrough for attaching the form connector to one of the form members, the plurality of fastener openings being all of the openings in the form connector for attaching the form connector to the form member and including a third fastener opening and a fourth fastener opening spaced from each other by the second distance and spaced from an edge of the plate by a fourth distance greater than the third distance and arranged to receive fastening elements, all of the plurality of fastener openings in the form connector being arranged along a single generally vertical line, and a plurality of fastening elements received in the various openings in each form member, the stake pockets and the end connector to hold the form members and stake pockets and the form members and end connector together.