The invention relates to a lid consisting of metal for a beverage can, which lid is designed to be permanently connected to a can body and has a lid panel in which a rivet for a grip tab is formed and in which a predetermined breaking line defining a breaking-open area is impressed, along which line an opening in the lid panel can be opened by the grip tab, wherein a rivet base, which has resulted from a formation of the rivet, is present around the rivet, within which base the metal of the lid is thinner and/or more brittle than in adjoining regions of the lid panel.

A tear-off lid with a curled edge of the removal opening is formed such that before the edge is curled, a plastics layer provided as a band of low thickness and preferably only 0.1 mm thickness is applied to the collar of the lid ring. In this way, a good seal of the cut edge of the tear-off lid is produced economically and with the possibility for production at a high rate.

A container closure includes a generally planar body having a product side and a customer side. The container closure body defines a limited container opening and an actuation location. Further, the container body includes a force concentrating construction disposed adjacent the limited container opening.

A tab is provided, which includes a body having first and second opposing ends, a nose portion disposed at or about the first end of the body, a lift portion disposed at or about the second end of the body of the tab, and a rivet receiving portion disposed proximate the nose portion. The rivet receiving portion includes a generally planar portion, a rivet hole having a perimeter, and an upturned portion extending upwardly from the generally planar portion about the perimeter of the rivet hole. The upturned portion reinforces the rivet hole and has an arcuate cross section profile. An integral rivet extends through the rivet hole and is staked to affix the tab to a can end. The upturned portion is devoid of any corners or edges both before and after the integral rivet is staked.

Disclosed is a method for retaining an outsert on a neck. The method includes providing a neck with a sidewall for a metal body. The method further includes forming an outward curl in the metal sidewall. The method further includes sliding a plastic outsert down onto the neck. The plastic outsert has a first inner diameter at a first end that is smaller than a diameter of the neck encompassing the outward curl. The outward curl is configured to flex as the plastic outsert slides down onto the neck to accommodate the first end of the plastic outsert passing over the outward curl. The method further includes retaining the plastic outsert on the neck between a first interference fit at a first interface of the metal sidewall and the plastic outsert and at a second interference fit between a top edge of the plastic outsert and the outward curl.

Disclosed is a method for retaining an outsert on a neck. The method includes providing a neck with a sidewall for a metal body. The method further includes forming an outward curl in the metal sidewall. The method further includes sliding a plastic outsert down onto the neck. The plastic outsert has a first inner diameter at a first end that is smaller than a diameter of the neck encompassing the outward curl. The outward curl is configured to flex as the plastic outsert slides down onto the neck to accommodate the first end of the plastic outsert passing over the outward curl. The method further includes retaining the plastic outsert on the neck between a first interference fit at a first interface of the metal sidewall and the plastic outsert and at a second interference fit between a top edge of the plastic outsert and the outward curl.

An apparatus and a method for accurately processing a neck portion of a bottle-shaped can without changing a posture of the can. An inner tool is inserted into the neck portion from the bottom of a can body to form a stepped portion, and comprises a first forming section having a diameter smaller than an inner diameter of a neck portion. An outer tool comprises a second forming section that is opposed to the inner tool. The stepped portion is formed on the neck portion by sandwiching the neck portion by the first forming section and the second forming section. The inner tool further comprises a holding member that is situated coaxially with the can body to be contacted to an inner surface of the can body. The holding member is attached to the inner tool while being allowed to move in a radial direction together with the can body.

A can end including a central panel with an expandable bubble disposed thereon is provided. The use of an expandable bubble allows for an expandable rivet button and thereafter an expandable rivet that has an enhanced overlap of a tab body. Such an expandable rivet allows for the use of a metal sheet with a thinner base thickness.

A can end including a central panel with an expandable bubble disposed thereon is provided. The use of an expandable bubble allows for an expandable rivet button and thereafter an expandable rivet that has an enhanced overlap of a tab body. Such an expandable rivet allows for the use of a metal sheet with a thinner base thickness.

A can end including a central panel with an expandable bubble disposed thereon is provided. The use of an expandable bubble allows for an expandable rivet button and thereafter an expandable rivet that has an enhanced overlap of a tab body. Such an expandable rivet allows for the use of a metal sheet with a thinner base thickness.