Sanwa. has filed a patent for a door system featuring a frame made of one material and a sleeve made of another, providing electrical conductivity or insulation. The sleeve is designed to be resilient and replaceable, offering durability and maintenance benefits. GlobalData’s report on Sanwa gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on Sanwa, Tunnel Rescue/Safety Devices was a key innovation area identified from patents. Sanwa's grant share as of January 2024 was 35%. Grant share is based on the ratio of number of grants to total number of patents.
Door system with frame and sleeve of different materials
The patent application (Publication Number: US20240035332A1) describes a door system that includes a sliding door panel with a frame made of a first material and a cover made of a second material. The frame has a leading edge designed to abut a surface adjacent to the door panel, with at least one side featuring a ridge. The cover encases the leading edge and trailing edge of the frame, with a groove to receive the ridge for retention. The second material of the cover is non-metallic and resilient, serving to shield the frame from damage and prevent electrical discharge between the frame and adjacent surfaces.
Furthermore, the patent application details a method for reducing electrical discharge in the door system by encasing the electrically conductive frame member with an electrically insulating cover. The cover, with a cross-sectional shape corresponding to the frame member, is slid onto the frame member and secured with adhesive or fasteners. This method effectively insulates the frame to prevent electrical discharge between the leading edge of the frame and adjacent surfaces. Overall, the door system and method described in the patent application aim to improve safety and durability by combining electrically conductive and insulating materials in a unique configuration to prevent damage and discharge in sliding door panels.
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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.
