Rengo. has filed a patent for a flattenable volume-optimized container made of corrugated cardboard. The container features a prism-shaped layout with at least eight connected sidewall parts, two of which are parallel and of the same length. The design allows for efficient storage and transportation. GlobalData’s report on Rengo 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 Rengo, Antibacterial waterproof packaging paper was a key innovation area identified from patents. Rengo's grant share as of January 2024 was 20%. Grant share is based on the ratio of number of grants to total number of patents.

Flattenable volume-optimized container made of corrugated cardboard

Source: United States Patent and Trademark Office (USPTO). Credit: Rengo Co Ltd

A patent application (Publication Number: US20240017875A1) describes a flattenable volume-optimized container, preferably made of corrugated cardboard, with a prism-shaped layout. The container consists of at least eight connected sidewall parts, forming a ring, with two parallel sidewall parts of the same length. The design includes a bottom part alignable with the sidewall parts and foldable between them, with specific lengths for different sidewall parts. Additionally, folding lines on opposite sidewall parts allow the container to be flattened effectively, enhancing storage and transportation efficiency.

Furthermore, the container design includes variations in sidewall lengths, bottom part configurations, and tabs for improved functionality. Different combinations of long, medium, and short sidewall parts, along with corresponding bottom parts and tabs, contribute to the collapsible nature of the container. The strategic placement of folding lines and tabs ensures smooth unfolding and stability during use. These features aim to optimize space utilization while maintaining structural integrity, making the container suitable for various storage and shipping applications. Overall, the patent application outlines a detailed and innovative approach to creating a space-saving and practical container design using corrugated cardboard material.

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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.