Pirelli & C has patented a method for building tires using a robotized arm to deposit coils of a semifinished product on a rotating drum. A processor calculates target speeds and controls the arm based on PWM profiles for precise rotation, ensuring efficient tire production. GlobalData’s report on Pirelli & C 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 Pirelli & C, was a key innovation area identified from patents. Pirelli & C's grant share as of April 2024 was 66%. Grant share is based on the ratio of number of grants to total number of patents.
Method for building tires using robotized arm with precise rotation
A recently granted patent (Publication Number: US11964444B2) discloses a method for building tires using an anthropomorphic robotized arm equipped with an output end effector that moves a building drum in a rotating motion. The method involves depositing an elementary semifinished product onto the building drum to form components of a tire, with a processor determining the target speed for rotation of the drum based on the linear speed of the feeding apparatus. The processor also calculates non-integer target values for the speed parameter associated with drum rotation, implementing pulse width modulation (PWM) profiles to control the output end effector's movement.
Furthermore, the patented method includes various aspects such as defining drive intervals for the robotized arm-building drum system, determining speed parameters based on target speeds and maximum revolution speeds, and imposing PWM profiles continuously on the speed parameter. The method also involves calculating durations for different parts of the drive interval based on decimal addends of the non-integer target values. Additionally, the patent specifies the use of an anthropomorphic robotized arm with at least six degrees of freedom and ensures that the integral of the PWM profile through the drive interval aligns with the non-integer target value and duration of the drive interval. Overall, the patented method aims to optimize the tire-building process by precisely controlling the movement of the building drum and output end effector, resulting in efficient and accurate tire production.
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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.
