Apparatus for shaping an metallic pull ring and simultaneously c

Details Apparatus for shaping an metallic pull ring and simultaneously c Apparatus for shaping an metallic pull ring and simultaneously c

1984-04-12

1986-05-06

Husar, Francis S.

Sheet metal container making

Method

Forming or treating metallic closure

413 25, 413 66, B21D 5144

Patent

active

045868638

ABSTRACT:
An apparatus for shaping a metallic pull ring and simultaneously connecting it to a container closure is disclosed. The apparatus includes a pre-shaped article former for shearing with a rotary shearing blade a rectangular metal blank from the end portion of a thin metal strip and simultaneously blending it to form an annular pre-shaped article having overlapped opposite ends, a closure feeder as well as a pre-shaped article feeder for continuously positioning a container closure and the pre-shaped article to a rotating support member in such a relation that the free end portion of a tear-off tab of the closure and a part of the pre-shaped article overlap each other and a pull ring shaper and connecter for curling the peripheral edge of the pre-shaped article in the radial direction to form it into a ring and simultaneously rolling the tear-off tab into said ring and connecting them to each other.

REFERENCES:
patent: 3952900 (1976-04-01), Rausing
patent: 4037551 (1977-07-01), Lewis
patent: 4341498 (1982-07-01), Ellis
patent: 4453644 (1984-06-01), Berglund
Japanese Laid-Open Patent Publication, 8/18/1984, Inventor=Sjogren et al., Laid-Open Publn. Nos.: 144537/84, 144536/84.

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