Electrically activated flexible press

Details Electrically activated flexible press Electrically activated flexible press

C - Chemistry, Metallurgy

03

B

C03B 23/033 (2006.01) C03B 11/06 (2006.01) C03B 23/03 (2006.01)

Patent

CA 2190649

The present invention provides a shaping mold for shaping heat softenable sheet material which includes a flexible rail having a sheet shaping surface to support a marginal edge portion of a sheet to be shaped and a plurality of controllable actuators secured to the rail and capable of deforming the rail to provide its surface with configurations each having a desired elevational contour. In one particular embodiment of the invention, the shaping rail is a shaping ring having a peripheral configuration which provides generally continuous support about the marginal edge portion of said sheet. A controller is used to control each actuator and deform the sheet shaping surface of the ring from a first configuration having a generally flat elevational contour to a second configuration having an elevational contour that generally corresponds to the final desired contour of the marginal edge portion of the sheet.

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