Device for supporting slabs during the phases of punching and in

Details Device for supporting slabs during the phases of punching and in Device for supporting slabs during the phases of punching and in

1993-03-01

1994-07-05

Watson, Robert C.

Work holders

With fluid means

269266, 269296, 269290, B25B 1100

Patent

active

053260856

ABSTRACT:
A device for supporting slabs during the phases of punching and in general operations of plastic deformation has a plurality of jacks (6) placed under the slab in a position corresponding to at least a substantial portion of the surface of the slab during all the operations being carried out on the slab. These jacks are normally placed in contact with the lower surface of the slab and are capable of lowering for the purpose of avoiding interference with the portions of the slabs which have already been plastically deformed.

REFERENCES:
patent: 4684113 (1987-08-01), Douglas et al.
patent: 5120033 (1992-06-01), Shoda
patent: 5143360 (1992-09-01), Wilken et al.
patent: 5163793 (1992-11-01), Martinez

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