Apparatus for curling an article

Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work

Reexamination Certificate

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C072S086000, C072S405030

Reexamination Certificate

active

07464573

ABSTRACT:
An apparatus for providing a curl on a top edge of a can comprises a forming head; and a forming turret with a push ram to load the can into the forming head. The forming head includes a plurality of independent rollers mounted on a common head. The plurality of rollers includes a first set of rollers configured to form an inner portion of a curl and a second set of rollers configured to form an outer portion of the curl.

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Applicants inform the PTO that an offer for sale was made more than one year before the date of this application of a device represented by the attached Figure (“Exhibit A”). Additional information is available upon request.

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