Patent ID: 11970381
Assignee: BALL CORPORATION
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 16:
17. A method of sealing an open end of a threaded metallic bottle with a closure, comprising:
providing a capping apparatus having a pressure block, a pressure block ejector, and a thread roller;
positioning the closure on a threaded neck of the threaded metallic bottle;
applying a first topload by the pressure block ejector to an exterior surface of a top portion of the closure to seal the threaded metallic bottle;
applying a second topload by the pressure block to a portion of the closure to form a channel in an outer radial edge of the closure, wherein the second topload is greater than the first topload, and wherein the channel has a depth of less than approximately 0.1 inches;
while the first topload is applied to the closure, forming threads on the closure with the thread roller that applies a first sideload, wherein the channel is formed before the threads are formed on the closure, and wherein the pressure block is configured to apply and release the second topload to the top portion of the closure before the thread roller applies the first sideload to form the threads on the closure; and
after forming the threads on the closure, rotating at least one of the closure and the threaded metallic bottle around a longitudinal axis of the threaded metallic bottle such that a distance between an uppermost portion of the open end of the threaded metallic bottle and the exterior surface of the top portion of the closure is decreased.