Apparatus for reforming an end shell

Details Apparatus for reforming an end shell Apparatus for reforming an end shell

1987-08-24

1989-09-12

Schmidt, Frederick R.

Sheet metal container making

Apparatus to form container closure

413 8, 413 62, 72348, S21D 5144

Patent

active

048655066

ABSTRACT:
An apparatus for reforming an end shell includes a stationary tooling assembly having a reform punch for engaging an interior surface of the central wall portion of the end shell. A reciprocating tooling assembly includes spring-loaded pressure pad complimentary to the reform punch for engagin the exterior surface of the central wall portion. A reform ring, mounted circumferentially about the pressure pad, includes an annular nose for fully engaging and supporting the exterior surface of the frustoconical wall portion of the end shell. At the bottom of the reforming stroke, the central wall portion is simultaneously supported by the reform punch and the pressure pad.

REFERENCES:
patent: 3359935 (1967-12-01), Rosbotton
patent: 4031837 (1977-06-01), Jordan
patent: 4109599 (1978-08-01), Schultz
patent: 4588066 (1986-05-01), Kaminski
patent: 4704887 (1987-11-01), Bachman et al.
patent: 4716755 (1988-01-01), Bulso, Jr. et al.

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