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US 7,464,573 B2Granted
Apparatus for curling an article
AssigneeBelvac Production Machinery, Inc.
InventorJeffrey L. Shortridge
Life of this patent
Estimating the term…
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.
Claims33
An apparatus for forming a curl on an article comprising:
- a forming head;
- and
- a forming turret including a push ram to load the article into the forming head,
- wherein the forming head includes a plurality of 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 a curl, the curl being formed in a top edge of the article, and
- wherein the forming head is continuously rotating with the forming turret.
2 more elements
A method of forming a curl in a top edge of an article comprising:
- feeding an article into a rotating turret;
- loading the article into a forming head;
- inserting a first set of rollers into an open end of the article;
- applying a second set of rollers to an outside surface of a neck of the article along the top edge of the neck;
- forming a curl in the top edge of the article;
- and
- continuously rotating the forming head with the turret.
4 more elements
An apparatus for forming a curl on an article comprising:
- a means for forming a curl on a top edge of an article;
- and
- a forming turret including a means for loading the article into the forming means,
- wherein the forming means includes a first roller means for forming an inner portion of the curl and a second roller means for forming an outer portion of the curl, and
- wherein the forming means is continuously rotating with the forming turret.
2 more elements
Dependencies are inferred from the claim text.