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    SAMPLE HOLDER FOR ACCELERATED LIGHT FASTNESS TESTING MACHINE
    98.
    发明专利
    SAMPLE HOLDER FOR ACCELERATED LIGHT FASTNESS TESTING MACHINE 失效

    公开(公告)号：JPH01227944A

    公开(公告)日：1989-09-12

    申请号：JP5449288

    申请日：1988-03-08

    Applicant: SUGA TEST INSTRUMENTS

    Inventor： SUGA CHOICHI ,  WATANABE YOJI

    IPC: G01N17/00

    Abstract: PURPOSE:To easily perform an accelerated light fastness test in which the received light energy on the sample surface is intensified and the deterioration test of a specific wavelength band with one accelerated light fastness testing machine by mounting a frame to which a condenser lens and filters of various kinds of transmittance can be selectively fitted on a sample holder. CONSTITUTION:This sample holder 9 is provided with a holder base plate 10 equipped with a sample fitting jig and sample lighting opening and a filter fitting frame 12 which is equipped with a filter inserting hole 11 and firmly fixed to the base plate 10. A lens barrel 13, to which a condenser lens 14 is fixed at the optimum position in accordance with the focal distance of the lens 14, is fixed to the filter fitting frame 12. Moreover, filters 16 of various transmittance are inserted into the filter inserting hole 11 at need.

    VENTILATION RATE ADJUSTING HOT AIR CONSTANT TEMPERATURE OVEN
    99.
    发明专利
    VENTILATION RATE ADJUSTING HOT AIR CONSTANT TEMPERATURE OVEN 失效

    公开(公告)号：JPH01141337A

    公开(公告)日：1989-06-02

    申请号：JP29927687

    申请日：1987-11-27

    Applicant: SUGA TEST INSTRUMENTS

    Inventor： SUGA SHIGERU

    IPC: G01N33/44 ,  G01N17/00

    Abstract: PURPOSE:To easily set the ventilation rate corresponding to a test temperature without being influenced by an open air temperature by converting the ventilation rate which divided a displacement at the test temperature by the volume in a test tank, to the air quantity of a preheated temperature, and feeding in preheated air of the quantity corresponding to this converted ventilation rate. CONSTITUTION:By a blower 31, the open air passes through an air purifying filter 32, brought to preheating control to a high temperature than the open air temperature by a front tank 25, and fed into a test tank 1 through a flow rate control valve 24. In order to execute the foregoing, a ventilation rate which converted a ventilation obtained by dividing a displacement at a test temperature by the volume in the test tank, into the air quantity of a preheated temperature is set by a ventilation rate setting mechanism 50. When the ventilation rate is set, a resistance value of a sliding resistance R1 is determined, a driving use reversible motor 18 for operating the position of a sliding contact 22 of a sliding resistance R2 is controlled by a servo-amplifier 35 so as to obtain the balance of a bridge circuit 33, the position of the flow rate control valve 24 connected and provided on a driving shaft 23 is determined, and air which is converted to the preheated temperature air quantity of the set ventilation rate is fed into the test tank 1.

    WEATHERABILITY TESTING MACHINE
    100.
    发明专利
    WEATHERABILITY TESTING MACHINE 失效

    公开(公告)号：JPS6435346A

    公开(公告)日：1989-02-06

    申请号：JP19325687

    申请日：1987-07-31

    Applicant: SUGA TEST INSTRUMENTS ,  TSUTSUNAKA PLASTIC KOGYO

    Inventor： INARI TOMOKAZU ,  SUZUKI KAZUO ,  SUGA SHIGERU

    IPC: G01N17/00

    Abstract: PURPOSE:To conduct a weatherability test at high temperature while a sample is expanded or in a water half-dipped or half-exposed state wherein water is splashed at a water edge by composing a sample holder of an expanding and heat insulating mechanism and a sample half-dipping mechanism. CONSTITUTION:The sample 2 is fixed to the sample holder 1 and an adjusting screw 4b, so that the sample 2 is fixed and tensed between a fixing sample presser 3 and a movable sample presser 5. Then a heat insulator 6 is fixed on the rear surface of the sample 2 with a pressure plate 7, then a sample 9 is installed at the bottom part of a water reservoir 8, and a sample pressure frame 10 is mounted on the sample to prevent the sample from warping and floating. Then a testing machine is put in operation, light from a light source is projected on the samples 2 and 9, and water is fallen from a shower nozzle 11 intermittently in a curtain shape. At this time, the sample 9 placed on the one-side slanting bottom surface is dipped in water by half, the upper half part is exposed on the water surface, and drops of water fall from the surface of the sample 2 on the exposed part of the sample 9, thereby producing the water splashing state of the water edge.

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