| 摘要 |
567,729. Pipe insulation. THOMSON, H. A. July 21, 1943, No. 11825. [Class 64 (ii)] Pipe insulation sections 1, 2, hinged at 3, are made with an internal diameter sufficiently large to pass over the pipe sockets 5, and insulating strips 6, 7 of asbestos or felt are secured to the sections by nails or cement to space them from the pipes 4. If a strip, such as 7, coincides with the socket 5, it is removed. |
