IREN has been granted a patent for a calender designed for processing web-like materials. The invention features a fixed structure with two heated rollers and a unique lever system that allows for controlled engagement and release of the rollers, facilitating their extraction from the calender. GlobalData’s report on IREN 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 IREN, Lignin derivatives was a key innovation area identified from patents. IREN's grant share as of June 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.
Calender for treating web-like materials with adjustable rollers
The patent US12031272B2 describes a calender designed for the treatment of web-like materials, featuring a fixed structure that supports two heated rollers. These rollers are arranged to form a nip through which the web-like materials can pass. Each roller is equipped with a right and left pin, each pin having two bearings spaced apart. The calender includes two lower and two upper levers that can move to contact the bearings, applying forces in different directions. Each lever is connected to an actuator that allows for rotation around a horizontal axis, enabling the levers to switch between an engagement position, where they interact with the bearings, and a release position, which facilitates the extraction of the rollers from the calender.
Additionally, the calender incorporates several advanced features for enhanced functionality. Each lever has a concave part that interacts with the bearings in the engagement position. The actuators controlling the levers and other components are managed by a programmable unit, allowing for automated operation. The rollers are designed with internal ducts for heating fluid circulation, and valves controlled by valve actuators enable automatic regulation of fluid flow. The design also includes mechanisms for moving the rollers, such as a bridge crane, and provisions for thermal insulation through internal channels. These innovations aim to improve the efficiency and effectiveness of the calender in processing web-like materials while maintaining optimal operational conditions.
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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.
