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    • 44. 发明专利
    • CLEANING METHOD OF SEWER AND WATER REMOVING DEVICE FOR CLEANING SEWER
    • JPH11210075A
    • 1999-08-03
    • JP2501498
    • 1998-01-22
    • AZUMA SANGYO CO LTD
    • MISAKI NOBORUHATTORI HISAYOSHINAKANO TOMOYA
    • E03F9/00B08B9/02B08B9/032B08B13/00
    • PROBLEM TO BE SOLVED: To provide a cleaning method of a sewer and a water removing device used therefor which enable fine cleaning of the inside of the sewer on the occasion of checking and inspecting the quality of work for laying the sewer after completion of the work, in the state of non-existence of residual cleaning water. SOLUTION: A cleaning water hose 3 having at the end a cleaning water nozzle 2 for cleaning the inside of a sewer is put into the sewer 1 from a manhole 5A and made to reach the portion of the next manhole 5B, and a water removing device 8 made up mainly of a water collecting-removing plate 10 which is a rubber plate body having an elastic-contact peripheral edge 12 coming into elastic contact with the inner periphery 22 of the sewer and of a water sucking part 9 of a sponge body of which the outer periphery comes into elastic contact with the inner periphery 22 of the sewer is connected to the cleaning water nozzle 2. By pulling back the cleaning water hose 3 then, the inner periphery 22 is cleaned by cleaning water 4 supplied by the cleaning water nozzle 2, while the cleaning water 4 is collected and removed onto the manhole 5A side by the water collecting-removing plate 10, and then residual water sticking is sucked and removed by the water sucking part 9.
    • 45. 发明专利
    • FAR INFRARED RAYS GENERATING HEATER AND CERAMIC ARTIFICIAL CHARCOAL
    • JPH01273926A
    • 1989-11-01
    • JP10066488
    • 1988-04-23
    • AZUMA SANGYO CO LTD
    • KAWAMURA KATSUHIRO
    • F24C15/06A47J37/06F24C15/24
    • PURPOSE:To save the fuel cost and make it possible to create an atmosphere as of real char coal is burning by placing ceramic artifical charcoal, which radiates infrared rays with heating, through a ceramic grate in the lower section on the smaller diameter side of a ceramic vessel which is mounted removably on a cooking utensil, etc. and formed in substantially funnel shape. CONSTITUTION:A ceramic vessel 1 is formed in the shape of a funnel facing upwards by a ceramic which consists of the components of alumina 48%, silica 15%, iron oxide 0.04%, etc. and the upper inner circumferential face on the side of the large diameter of the vessel is provided with a stepped section 3 for placing a roaster net 2 and the lower inner face on the side of the small diameter is provided with a flange piece 4 which projects inwards. Artifical charcoal 5 which radiates infrared rays by heating through a grate 6 made of ceramic as for the vessel 1 is placed on the flange piece 4. The artifical charcoal 5 is a ceramic composed of the components of alumina 72%, silica 28%, iron oxide 0.05%, etc. and the surface of the artificial charcoal is painted gray to be similar to real charcoal, and it is formed in the shape like charcoal. Further, the inner circumferential face of the vessel 1 and both end faces of an artificial charcoal 5 and the surfaces of its outer circumference, etc. are coated by films 10 and 11 of a hardening agent, etc. to provide a double structure form.