Ball has patented a method for sealing metallic bottles with ROPP closures using a capping apparatus with multiple thread rollers. The method reduces sealing force, forms threads, applies toploads, and rotates the bottle for a secure seal. GlobalData’s report on Ball gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Ball, Packaging cans with tearing tabs was a key innovation area identified from patents. Ball's grant share as of May 2024 was 59%. Grant share is based on the ratio of number of grants to total number of patents.
Method of sealing metallic bottle with ropp closure using capping apparatus
A recently granted patent (Publication Number: US11970381B2) discloses a method for sealing an open end of a threaded metallic bottle with a closure. The method involves using a capping apparatus with a pressure block, pressure block ejector, and thread roller to seal the bottle. The closure is positioned on the threaded neck of the bottle, and a first topload is applied to the closure by the pressure block ejector. Threads are formed on the closure while applying a second topload to create a channel in the outer radial edge of the closure. The closure and bottle are then rotated around the longitudinal axis to ensure a secure seal.
Furthermore, the method includes additional steps such as tucking a pilfer band of the closure with a pilfer roller, forming threads on the closure with multiple passes of the thread roller, and ensuring the depth of the channel in the closure is less than approximately 0.1 inches. The rotating action is strategically timed after the first pass of the thread roller and before the second pass to ensure proper thread formation. The patent emphasizes the importance of the pressure block in applying varying toploads to the closure for effective sealing and thread formation, ultimately resulting in a secure closure for the threaded metallic bottle.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
