| 摘要 |
PROBLEM TO BE SOLVED: To reduce and suppress reduction of pressure of air to be supplied to an air tool below a prescribed operation pressure. SOLUTION: When supplying air to the air tool 10 using air having a pressure within a prescribed scope, air is compressed and is stored in air tanks 11A, 12A, air is supplied to the air tool from the air tank of a main compressor by an air feeding hose 13 by using the main compressor 11 and a subcompressor 12 for feeding air from the air tanks, and air is supplied to the air tank of the main compressor from the air tank of the subcompressor by an air feeding hose 14 to reduce and suppress reduction of pressure of air to be supplied to the air tool. COPYRIGHT: (C)2007,JPO&INPIT
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