Heat treated plastic closure
AssigneeEV Family Limited Partnership
InventorsEmery I. Valyi, Gary V. Montgomery
Life of this patent
Estimating the term…
Abstract
A container closure assembly and method for providing same. The container has an access opening and a container rim surrounding the access opening. A plastic cap covers the access opening and includes an upper portion, a skirt depending from the upper portion and circumferentially covering the container rim, and a tamper ring depending from said skirt, wherein the tamper ring is preferably connected to the skirt by a plurality of tabs separated by open portions, whereby the tamper ring is disengaged from the skirt by twisting the cap and breaking the tabs. The tabs comprise a crystallized, brittle portion, whereby breaking the tabs is facilitated.
Claims10
A container cap assembly, which comprises:
- a container having an access opening for the container, a container rim surrounding the access opening, and a container neck depending from the container rim;
- a plastic cap covering the access opening and having an upper portion, a skirt depending from the upper portion and circumferentially covering the container neck, and a tamper ring depending from the skirt and connected thereto, wherein the tamper ring is disengaged from the skirt, wherein said tamper ring includes a brittle portion therein to facilitate disengaging the tamper ring and wherein said cap is made of crystallizable polymer and the brittle portion is crystallized, wherein the tamper ring is connected to the skirt by a plurality of tabs separated by open portions, wherein removing the cap from the container breaks the tabs and wherein said tabs comprise a crystallized, brittle portion whereby breaking the tabs is facilitated.
A cap for closing a container, which comprises:
- a plastic cap for covering the opening of a container and having an upper portion, a skirt depending from the upper portion, and a tamper ring depending from the skirt and connected thereto, wherein the tamper ring is disengaged from the skirt, wherein said tamper ring includes a brittle portion therein to facilitate disengaging the tamper ring, and wherein the cap is made of crystallizable polymer and the brittle portion is crystallized, wherein the tamper ring is connected to the skirt by a plurality of tabs separated by open portions, wherein removing the cap from the container breaks the tabs and wherein said tabs comprise a crystallized, brittle portion whereby breaking the tabs is facilitated.
Dependencies are inferred from the claim text.