Apparatus for manufacturing fittings

Details Apparatus for manufacturing fittings Apparatus for manufacturing fittings

1980-10-17

1982-08-31

Gilden, Leon

Metal deforming

By use of closed-die and coacting work-forcer

Cup or shell drawing

72354, 72431, 72465, B21D 2200

Patent

active

043465811

ABSTRACT:
An apparatus for manufacturing fittings in one press stroke comprising a bed, a lower die mounted on the bed, the lower die having formed therein a stepped bore adapted to receive a blank to be worked, a hollow knockout slidable in the stepped bore, a slide, a holder fixedly secured to the slide, a cylindrical member slidably fitted in the holder, an upper die mounted in the cylindrical member and having a bore formed therein, a punch fixedly secured to the slide and inserted in the bore of the upper die, a sleeve mounted on and around the punch, a cushion cylinder for biasing the upper die downwards, and an elastomer disposed around the sleeve between the holder and the upper die for biasing the latter downwards after the upper die is lowered on the lower die.

REFERENCES:
patent: 3740997 (1973-06-01), Blake et al.
patent: 3951083 (1976-04-01), Hortig
patent: 4147049 (1979-04-01), Bool et al.

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