Design of work clothes made of cotton and linen for brush-cutting during summer and applied test of micro-climate inside them

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  • 綿および麻を素材とした下刈用作業服の試作と衣服内気候の実験的検討
  • メン オヨビ アサ オ ソザイ ト シタ シタガリヨウ サギョウフク ノ シサ

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Abstract

Half-sleeve and long-sleeve shirts for wear during brush-cutting in summer were made using cotton and linen fabrics. The shirts were designed to button in the fronts, with open collars, great ease, and low sleeve heights to give good ventilation and movability. The temperature and the humidity inside the clothing were measured and inquiries concerning comfort were made when subjects wearing these shirts were cutting brush. The results were as follows. 1) The temperature was highest at the upper arm and lowest at the chest. 2) The relative humidity inside the clothing became near 100% except at the back in the case of the half-sleeve linen shirt without a towel around the neck. 3) Absorption of perspiration into the cotton shirt was more than that into the linen shirt. 4) Compared with ordinary work shirts, these cotton and linen shirts, especially the half-sleeve shirts, were rated highly for movability, coolness, and ventilation. 5) Clingingness of the cotton shirt caused by perspiration and itchiness of the linen shirt were felt at the shoulders when the shirts were in contact with the skin directly. 6) From the results of the tests of the shirts and the physical properties of the materials, linen should be adopted for work clothing for brush-cutting during summer because of the properties of heat transfer, sorption and desorption of moisture, and strength. 7) Wearing an undershirt was effective for the absorption of perspiration, isolation of radiation, and preventing the work shirt from coming into contact with the skin.

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