Punching and forming tool

Details Punching and forming tool Punching and forming tool

1997-02-07

1998-05-26

Crane, Daniel C.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

With cutting

72313, 72334, B21D 2800

Patent

active

057551324

ABSTRACT:
The invention relates to a punching and forming tool for producing punched and shaped parts from sheets or foils which consist of material which can be deformed by overstretching. The punching and forming tool comprises upper tool carrier plate means and mating punching platemeans, which can be moved with respect to one another, drawing punch means arranged on the underside of the tool carrier plate means, thrust collar means surrounding the drawing punch means, elastic means arranged between the tool carrier plate means and the thrust collar means, a cutting rule means which arranged on the tool carrier plate, extending in the direction of the mating punching plate means and surrounding the thrust collar means, and a recess which is provided in the mating punching plate means and the inner circumferential edge of which is arranged below the end side of the thrust collar.

REFERENCES:
patent: 1270933 (1918-07-01), Elsener
patent: 2119663 (1938-07-01), Botts
patent: 3022758 (1962-02-01), Rheingold
patent: 3129744 (1964-04-01), Payne
patent: 4509355 (1985-04-01), Oishi

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