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    • 13. 发明专利
    • VIBRATING VISCOSIMETER
    • JPH03220441A
    • 1991-09-27
    • JP1565490
    • 1990-01-24
    • KOBE STEEL LTD
    • TOMITA MASAHIROOGAWA KATSUMINIMURA YOSHITAKAUMEDA NORIHIKO
    • G01N11/16
    • PURPOSE:To suppress splashing of powdery materials when the materials are supplied by providing a hopper in a movable manner for supplying a sample from above into a sample container, and forming a throttle at an end of a chute in the lower part of the hopper. CONSTITUTION:A lift cylinder 31 for a holding stand 33 is provided at one end of a fixed stage 21. The holding stand 33 is moved by a driving motor 32 provided in the upper part of a rod of the cylinder 31. An inclining hopper 35a on the stand 33 is driven by an inclining motor 34. Moreover, an inclining hopper 35 having a sample feeding chute 36 is provided below the inclining hopper 35a. A throttle part 37 is formed at a front end of the chute 36. When the rod of the cylinder 31 is contracted to move the lower end of the throttle part 37 down to a position where the throttle part slightly enters an opening of a crucible 2, the cylinder is automatically stopped. At this position, the powdery material in the hopper 35a is supplied into the crucible 2 through the hopper 35 and throttle part 37. Therefore, the powdery material can be supplied without splashing although an ascending air current is generated when an electric furnace 17 is heated.