Daiwa Securities Group has been granted a patent for a cap design featuring a disk-shaped top plate with a cylindrical skirt, coated with a polyester-based resin and lubricant. The cap includes a sealing member with a smaller diameter than the skirt portion. GlobalData’s report on Daiwa Securities Group 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 Daiwa Securities Group, Virtual banking assistant was a key innovation area identified from patents. Daiwa Securities Group's grant share as of April 2024 was 44%. Grant share is based on the ratio of number of grants to total number of patents.
Cap with disk-shaped top plate, cylindrical skirt, polyester resin coating
A recently granted patent (Publication Number: US11964806B2) discloses a unique cap design comprising a cap body with a disk-shaped top plate portion and a cylindrical skirt portion. The top plate portion features a substrate with a resin coating film containing a polyester-based resin and a lubricant composed of a hydrocarbon-based wax and a fatty acid ester-based wax. The specific composition includes 2% to 7% by mass of the hydrocarbon-based wax in relation to the polyester-based resin. Additionally, a sealing member is integrated into the cap body, positioned to face the top plate portion, with an outer diameter smaller than the inner diameter of the skirt portion.
Furthermore, the patent details variations in the composition of the lubricant, specifying the hydrocarbon-based wax as a polyethylene wax and the fatty acid ester-based wax as lanolin. The amount of lanolin is also set at 2% to 7% by mass concerning the polyester-based resin. The sealing member consists of a sliding layer on the top plate portion side and a sealing layer on the opposite main surface, designed to seal the mouth portion of a can container. This innovative cap design aims to enhance sealing efficiency and durability, offering a practical solution for various packaging needs in the industry.
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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.
