Intellectual Property India Publishes Patent Application for 'Improved Sintering Or Induration Belt For Sinter Or Pellet Plants' Filed by Paul Wurth S. A.

MUMBAI, India, June 6 -- Intellectual Property India has published a patent application (202517022540 A) filed by Paul Wurth S. A., Luxembourg, on March 13, for 'improved sintering or induration belt for sinter or pellet plants.'

Inventor(s) include Gerard, Jean.

The application for the patent was published on June 6, under issue no. 23/2025.

According to the abstract released by the Intellectual Property India: "A sintering belt (10) comprising a chain of grate cars (12); a supporting structure configured to support and allow movement of the chain of grate cars (12); at least two longitudinal sealing elements, parallel to a direction of motion (D) of the chain of grate cars (12) along the sintering or induration belt (10); at least two transversal sealing elements (14), intersecting with the direction of motion (D) of the chain of grate cars (12) along the sintering or induration belt (10), and partially obstructing its motion; and at least one suction duct (16). The suction duct (16), the at least two longitudinal sealing elements, the at least two transversal sealing elements (14) and a bottom surface of grate cars (12) are configured to define at least one plenum chamber (PC). The suction duct (16) is further configured to generate an under or over pressure in said plenum chamber (PC). A transversal sealing element (14) comprises at least one sealing roll (18, 18.1-18.15), the sealing roll (18, 18.1-18.15) configured to partially obstruct the motion of the chain of grate cars (12), and the sealing roll (18, 18.1-18.15) comprising an inner roll (18a) defining an inner radius and an elastically deformable outer sleeve (18b) defining an outer radius, and a transversal sealing element (14) comprises a plurality of parallel sealing rolls (18, 18.1-18.15) defining at least one roller table (20). A roller table (20) comprises at least two engaging sealing rolls (18.1-18.5), such that the distance between two adjacent engaging sealing rolls (18.1-18.5) is strictly comprised between the sum of their inner radii and the sum of their outer radii, consecutive engaging sealing rolls (18.1-18.5) defining a continuous surface (20') of the roller table (20)."

The patent application was internationally filed on Dec. 06, 2023, under International application No.PCT/EP2023/084465.

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