Method and apparatus for manufacturing load bearing fabric...

Details Method and apparatus for manufacturing load bearing fabric... Method and apparatus for manufacturing load bearing fabric...

2006-05-11

2009-11-17

Johnson, Christina (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Prestressing solid body and uniting in stressed condition

C264S257000, C264S275000, C264S291000, C264SDIG073, C425S383000, C428S192000, C297S452560

Reexamination Certificate

active

07618572

ABSTRACT:
A method and apparatus for manufacturing load bearing fabric structures in which the peripheral edge of the load bearing fabric terminates with the mold cavity. The apparatus includes a stretching assembly for stretching the fabric, a fabric retaining assembly for holding the fabric in the stretched condition and a mold assembly for molding the frame about the periphery of the fabric. The method includes the steps of gripping the peripheral edge of the fabric in a stretching assembly, activating the stretching assembly to stretch the fabric in a location adjacent to the mold assembly, clamping the stretched fabric against a face of the mold assembly, releasing the peripheral edge of the fabric from the stretching assembly, moving the stretching assembly from the path of the mold assembly, closing the mold assembly on the fabric with the peripheral edge of the fabric terminating in the mold cavity and injecting molten material into the mold cavity to form the frame directly on the peripheral edge of the fabric.

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patent: WO 2004/078002 (2004-09-01), None
patent: WO 2005 046952 (2005-05-01), None

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