| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of becoming an obstacle to spreading in many needed kitchens due to the aspect of cost and troublesome of labor, since an inflow system to a grease trap requires to prepare various net installing devices since there are no unified form and size, and since an installation method requires a job site coping type installation work using a tool, though there is conventionally a system directly installed in an inflow port in a net installing device as a means for collecting residues included in waste water to the grease trap. SOLUTION: This invention designs the system capable of self-sustaining the device by completing installation only by easily placing a device body by anybody without performing work, so as to be capable of coping by one kind of net installing device, without being seized by the inflow system to the grease trap, the size and the number of inflow ports; and also designs a structure capable of expanding-contracting a box part of the net installing device in the width direction so that a lateral width can be adjusted even to the size of a grease trap tank. COPYRIGHT: (C)2006,JPO&NCIPI
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