| 摘要 |
PURPOSE:To make an automatic lever operate by the invasion of the sea water without pulling a manual lever, and to float for a long time, when a vessel is overthrown and a worker is thrown out, by providing an expansion type life jacket to the inner side of a working coat allowable to mount and demount, and installing an air filling device to the inner side or the outer side of the working coat. CONSTITUTION:An expansion type life jacket 31 is fixed to the back contact 37 of a wearer of a working coat 32 with a demountable buckle 35. At the direct contact between the back of the wearer and the expansion type life jacket 31, a lining (mesh) 36 is stuck so as to prevent a sticky condition by the sweat. An air filling device 1 is provided on the back (under the neck) at the inner side of the working coat 32. The air filling device 1 is a light device of the vertical linear form, and the weight is 60 to 80% of the weight of a U-shaped hardly air filling device. And, in the expansion type life jacket 31, the joints age processed by a high-frequency wave process, and there is air leakage from the high-frequency fusion parts. At the inner side R of the working coat 32, the expansion type life jacket 31 and the air filling device 1 are provided. |
