Siam Cement Public has been granted a patent for a device that detects corrosion in metal parts. The device consists of a housing, a display, a spring, and a sensor. The sensor has a corroded portion with a diameter of 0.6 to 1.5 mm. The device allows for accurate detection of corrosion, reliable operation, convenient installation, and easy detachment for inspection. The housing also includes movement controlling portions and an abutting portion for supporting the spring. GlobalData’s report on Siam Cement Public gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Corrosion detection device for metal parts
A recently granted patent (Publication Number: US11680891B2) describes a device and method for detecting corrosion in metal parts. The device consists of a hollow cylinder-shaped housing with a proximal end located near the metal part and a distal end located away from it. Inside the housing, there is a display, a compressed spring that pushes the display outwardly, and a sensor. The sensor has a corroded portion located outside the housing, with a diameter ranging from 0.6 to 1.5 mm. The housing also includes movement controlling portions with ridges and an abutting portion with a receiving portion and a bar for supporting the spring.
The patent claims various features and configurations for the device. For example, the length of the corroded portion of the sensor can range from 1 to 30 mm, and its position can be 4 to 8 mm away from the proximal end of the housing or the closest external surface to the metal part. The sensor is attached to the housing and the display, and when the corroded portion weakens or breaks, the display is partially pushed out of the housing. The corroded portion of the sensor can be placed transverse or in the same direction as the longitudinal axis of the housing.
The housing also includes a concave portion, an opening hole at the distal end, and a locking bar with locking slits. The display has a body, a sensor connecting portion, a display portion, and a spring supporting portion. The sensor connecting portion includes protrusions for supporting the sensor, and the display also has an abutting portion for abutting against an abutting surface on the housing.
The method for detecting corrosion involves installing the device on a metal part, such as a pipe or elongated tube-like object, with the housing placed perpendicularly to the metal part's longitudinal axis. The corroded portion of the sensor can be placed transverse or in the same direction as the housing's longitudinal axis. The device can be installed at the lowest portion of the metal part, and it can be secured to an engaging member with a detach mechanism.
Overall, this patent describes a device and method that utilize a sensor and display within a housing to detect corrosion in metal parts. The various configurations and features outlined in the patent provide options for adapting the device to different applications and environments.
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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.
