Plastic article or earthenware shaping or treating: apparatus – Means forming a mold; or flask – per se
Patent
1993-01-27
1996-05-07
Bushey, C. Scott
Plastic article or earthenware shaping or treating: apparatus
Means forming a mold; or flask, per se
249 78, 249 79, 249155, 249161, 264219, 425144, B28B 702
Patent
active
055139728
ABSTRACT:
A device is provided which is capable of generating a surface that at least partially conforms to the contour of an article. The surface is defined by the ends of a number of threaded members which are supported within a suitable support structure. The threaded members are aligned so as to be substantially parallel to and threadably engaged with each other. As a result, rotation of an individual threaded member will cause that threaded member to be longitudinally moved relative to its adjacent threaded members and the support structure, without displacing an adjacent threaded member. The surface can be readily configured manually or automatically to serve as a die or mold cavity when the entire surface has been generated to conform to the entire contour of the article. Alternatively, the surface can be generated so as to provide a suitable fixture surface for supporting and securing a workpiece during a machining or welding operation. Due to its method of generation, the surface can be quickly and repeatedly reconfigured to conform to an article or workpiece having a completely different contour.
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Schroeder Thaddeus
Stevenson Robin
Bushey C. Scott
General Motors Corporation
Grove George A.
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