Ranpak. has filed a patent for a dunnage conversion machine with a tear assist assembly to efficiently create dunnage strips from sheet stock material. The machine includes a controller to control the feeding and tearing process, enhancing the overall functionality of the machine. GlobalData’s report on Ranpak gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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Data Insights Ranpak Holdings Corp - Company Profile

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According to GlobalData’s company profile on Ranpak, Smart factory applications was a key innovation area identified from patents. Ranpak's grant share as of January 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.

Machine for forming and tearing dunnage strips

Source: United States Patent and Trademark Office (USPTO). Credit: Ranpak Holdings Corp

The patent application (Publication Number: US20240001638A1) describes a dunnage conversion machine designed to efficiently convert sheet stock material into dunnage with lower density. The machine includes a forming assembly, feeding assembly, and tear assist assembly controlled by a controller. The feeding assembly, with rotating members, advances and reverses the dunnage strip, while the tear assist assembly, comprising a pinch arm and stop, facilitates tearing the dunnage at a capture point without cutting it. The controller coordinates the operation of the machine, controlling the feeding direction, rotation of the rotating members, and activation of the tear assist assembly to create tear points in the dunnage strip.

Additionally, the patent application outlines a method for producing discrete dunnage products using the described dunnage conversion machine. The method involves forming the dunnage strip, advancing it in the downstream direction, capturing it at a specific point, and reversing an upstream region to create tear points for separating the dunnage products. The tear assist assembly, with a pinch arm and stop, plays a crucial role in capturing and releasing the dunnage strip at the designated points. The method includes predetermined rotations or periods of operation for advancing and reversing the dunnage strip, ensuring efficient production of discrete dunnage products with the desired characteristics.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.