The Invention of the Modern Soda Can Pull-Tab

A 1965 design for a ring-shaped metal tab that makes it easy to pull open a tear strip on a beverage can.

What it covers

This patent describes a one-piece metal tab designed to be attached to a tear strip on a container wall. The tab features a large ring-shaped aperture that acts as a finger handle, allowing a user to pull the strip with sufficient leverage. To prevent the thin metal from bending or snapping under pressure, the design includes stiffening beads—rolled edges—that run along the inner and outer circumference of the ring and extend down the neck of the tab.

What it doesn't cover

• —Does not cover tabs that lack the specific stiffening beads described in the claim.
• —Does not cover non-ring-shaped opening mechanisms like simple push-buttons.
• —Does not cover the actual scoring or weakening of the metal container wall itself.

The clever bit

The innovation lies in the geometry of the stiffening beads. By extending the outer bead along the sides of the attachment portion, the designers created a structural spine that prevents the tab from folding or failing when the user pulls upward.

Why it matters

This design was a critical evolution in the convenience of aluminum beverage packaging. By providing a secure handle, it solved the issue of users struggling to grip small, flat metal tabs, effectively standardizing the 'pop-top' experience for millions of consumers.

Real-world examples

• 1.Classic aluminum soda cans
• 2.Beer cans with ring-pull openers
• 3.Metal food cans with peel-off lids