| 摘要 |
PURPOSE:To obtain a thin-walled back having good pressure resistance and economy by inserting a fabric of a prescribed shape and material coated with a baked resin into the back cover. CONSTITUTION:The fabric-like material 1 of carbon fibers, stainless steel, titanium, etc. coated with the baked resin 3 is molded so as to hollow and warp in the central part. A polyacetal resin 2 inserted with such material 1 is molded to the back. The thin-walled plastic back having the high pressure resistance and good economy is obtd. by such constitution. |
