Tire Retreadability Inspection Through Post-Voltage ID Reading

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Solution Overview

Problem

Existing tire inspection methods are inefficient and inaccurate in determining whether tires with built-in transmitters are retreadable, especially when multiple transmitters are involved, and they do not address the issue of transmitter damage from high voltage inspections.

Innovation Solution

A tire inspection device and method that includes a determination unit to perform a reading inspection on tires after voltage inspection, using tire management data and transmitter ID information to determine if the tire is retreadable, with conditions such as matching ID information and registration status to ensure accuracy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If multiple insulation protection structures are prepared for multiple transmitters, then transmitter protection is improved, but inspection efficiency deteriorates due to positioning complexity

Engineering Contradiction:
Improvetransmitter protectionVSAvoidinspection efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent extracts the protection function from multiple separate insulation structures and consolidates it into a single integrated insulation structure that can protect multiple transmitters simultaneously, eliminating the need for individual positioning of multiple structures

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent merges multiple insulation protection functions into a single insulation structure that encompasses all transmitters, combining what would have been separate protection elements into one unified solution that simplifies positioning and installation

Inventive Principle:
Principle #5Merging (Combining)

2Productivity

If traditional inspection methods are used without reading inspection, then inspection speed is maintained, but inspection accuracy deteriorates in determining transmitter functionality

Engineering Contradiction:
Improveinspection speedVSAvoidtransmitter functionality detection accuracy
Core Design Contradiction:
ProductivityVSMeasurement precision

Solution Approach 1:

The patent performs a reading inspection of transmitter ID information before finalizing the inspection result, ensuring that transmitter functionality is verified in advance. This preliminary action prevents misclassification of tires and ensures accurate determination of retreadability without significantly delaying the overall inspection process

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP4636377A1Tire inspection device and tire inspection method
Publication Date: 2025.10.22 BRIDGESTONE CORP
  • EP4636377A1 patent drawingFigure 1
  • EP4636377A1 patent drawingFigure 2
  • EP4636377A1 patent drawingFigure 3

AI summary

A tire inspection device (10) is a tire inspection device configured to determine whether a tire including a transmitter (31) is retreadable, comprising: an acquisition unit (131) configured to acquire tire management data including tire ID information of each registered tire; and a determination unit (132) configured to, after an inspection target tire to be inspected among the tires is determined to pass a voltage inspection, perform a reading inspection on the inspection target tire based on the tire management data and tire ID information read from a transmitter built in the inspection target tire, and, if determining that the inspection target tire passes the reading inspection, determine that the inspection target tire is retreadable.