2results about How to "Invisibility effect is good" patented technology

The application discloses a kind of invisible optical cable and preparation method thereof, belong to optical cable technical field, including multiple optical fibers, and sleeve is arranged at the periphery of multiple optical fibers, and sleeve is prepared using transparent material.The woven yarn is further provided in the sleeve in the application, and the woven yarn is in mesh structure, and multiple optical fibers are sequentially and side by side arranged in the mesh structure of woven yarn.In the application, the arrangement order of each optical fiber is naturally limited by the mesh structure of woven yarn, and each optical fiber can be accurately distinguished by observing the position of optical fiber in the mesh during construction, without any color marking or special identification equipment, especially suitable for multi-core invisible optical cable.The yarn of woven yarn is extremely thin, and the mesh structure is invisible under normal visibility, the overall transparency of optical cable is high, and it is perfectly integrated with indoor environment, maintaining excellent invisible effect.

This utility model discloses a flush-fitting, concealed fire door, including a door frame. Both sides of the door frame are hinged to door panels via concealed hinges, and the surface of each door panel has a mounting groove. This utility model employs a flush-fitting frame and door panel design, using concealed hinges to connect the door frame and door panel, ensuring that the front of the door frame and the front of the door panel are on the same plane, parallel to the wall. This allows it to seamlessly integrate into the overall decoration style of modern buildings, avoiding the visual abruptness caused by uneven frame and door panel openings in traditional fire doors. This significantly enhances the aesthetics of the building's interior space and achieves an excellent concealed effect. By setting mounting grooves on the door panel surface and fixing fire-resistant sealing strips within the grooves, the sealing performance of the device is effectively improved. Multiple insulation layers work together to greatly enhance the heat insulation performance of the device. This device possesses the advantages of being aesthetically pleasing, having a good concealed effect, excellent sealing performance, and good heat insulation performance.