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JP61161147 |
PURPOSE: To evacuate the air in the vicinity of a harmful vapor generating region by regulating the velocity of the first air current flowing from the upper part of the specified region in the vicinity of one harmful gas generating regio...
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JP61141877 |
PURPOSE: To facilitate the opening and closing operation of the inner door of a testing chamber, and to prevent the opening of the chamber by mistake, by placing an air-tight testing chamber and an air-tight gas-substitujtion chamber sid...
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JP61141935 |
PURPOSE: To efficiently collect extremely fine particles in air by heat diffusion motion, by flowing a cooling medium having temp. lower than air to be purified to the opposite side of a temp. gradient surface to form constant temp. diff...
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JP61097555 |
PURPOSE: To enable a measuring section to be kept clean sufficiently, by forming a clean space at the measuring section of an inspector body to provide a clean unit containing a display right above it. CONSTITUTION: An equipment body 60 ...
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JP60164142 |
PURPOSE: To prevent the intrusion of fine particles in the running pipeline into a clean room by providing a shutter device to isolate the pipeline for cargo work from the other pipeline and also a cleaner for the pipeline for cargo work...
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JP60164141 |
PURPOSE: To keep a given cleanness by a necessary minimum power by controlling the amount of air to be sent by each fan in such a way as to keep detection signals from a dust counter to detect the amount of dust in room and also from a d...
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JP60147043 |
PURPOSE: To contrive to shorten the term of works, to improve the waterproofing property and to enhance the space efficiency by a structure wherein chambers for inspection/pipe arrangement in air conditioning are provided on the back sid...
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JP60120219 |
PURPOSE: To enhance reliability and to reduce cost, by providing a measuring part comprising a specified resistance bridge between a blower discharge port and an exhaust duct, detecting static pressure and total pressure in the exhaust d...
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JP60037977 |
PURPOSE: To prevent the biohazard easily and efficiently, by sterilizing and decomposing a biohazard factor with ozone. CONSTITUTION: The safety cabinet 2 is furnished with an air inlet connected with the ozone generator, an air exhaust ...
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JP59213438 |
PURPOSE: To enable working from both sides of a bench and to prevent leakage of harmful substance to the outside of the bench by providing a shutter freely openably and closeably to the front side of a working chamber and providing a pee...
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JP59193142 |
PURPOSE: To improve the workability, safety and firmness of a structure of a draft chamber by providing a sliding door type working window to the front door and providing a reinforcing plate beneath a doorsill of the front door. CONSTITU...
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JP59186645 |
PURPOSE: To prevent from danger of occurrence of fire by providing a draft chamber, exhaust equipment, power source device, combustible gas detector, and feed water detector. CONSTITUTION: The air in the draft chamber 1 is exhausted by a...
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JP59169541 |
PURPOSE: To enable the safe handling of noxious gas on a desk, by exhausting noxious gas by providing an exhaust tube connected to a gas scrubbing bottle to a transparent box provided on an experimental desk. CONSTITUTION: A gas generati...
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JP59120086 |
PURPOSE: To carry out also simply the cultivation process treatment of a substance to be cultivated, by arranging a constant temperature device at part of an enforced circulation path of polluted air. CONSTITUTION: When an experiment to ...
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JP59070913 |
PURPOSE: To easily obtain an air flow velocity value, by calculating the air flow velocity flowed into a draft chamber corresponding to the opening degree of a front surface door on the basis of outputs of the flow velocity measuring app...
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JP59070912 |
PURPOSE: To achieve longtime continuous use and accurate measurement, by providing an air flow velocity sensor for detecting the bypass air flow velocity Vs of the air sucked into an exhaust dust in a bypass part provided to the exhaust ...
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JP59051786 |
PURPOSE: Not to put people around the titled device in danger, by vaporizing an agent for sterilization through fumigation, heating a container of a neutralizing agent automatically after a given time to neutralize the chamber, dischargi...
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JP58207950 |
PURPOSE: To facilitate the work of opening or closing an inner door, by providing a locking means to be switched between constraint and release states on the basis of driving instructions by the operation of a releasable actuator at the ...
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JP58137753 |
PURPOSE: To maintain the temp. in a thermostatic chamber in a specified state quickly and surely, by controlling hot wind and cold wind by the use of a pure fluid controlling element, and blowing the same into the chamber. CONSTITUTION: ...
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JP58109831 |
PURPOSE: To generate the dust having a certain level of density and no change of grain size distribution in terms of time for a long period of time, by mixing fluidized particles into the dust and at the same time providing an overflow p...
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JP58109143 |
PURPOSE: To obtain a safe laboratory wherein dangerous microorganisms are handled appropriately by providing a means which holds the pressure in a chamber arranged in the laboratory at a lower pressure than in the laboratory, and holding...
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JP57150377 |
PURPOSE: In a base for cleaing operation useful for preventing the diffusion of microorganisms in handling pathogenic bacteria, to lessen the counter flow of air in the operational space through an opening part to the outside. CONSTITUTI...
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JP57083274 |
PURPOSE: To enable the separate use of a plurality of safety cabinets for treating harmful pathogenic bacteria of infectious diseases, etc., by connecting the cabinets with each other through the port made of an elastic material, and pro...
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JP57083276 |
PURPOSE: To improve the safety of a safety cabinet for the treatment of pathogenic bacteria, etc., by attaching a high-performance filter, a control valve, a pressure sensor, etc. in the middle of an exhaustion pipe, thereby maintaining ...
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JP57079878 |
PURPOSE: A safety cabinet for biohazards is made variable in exhaust capacity to keep the pressure in the cabinet to a prescribed negative value, even when the cabinet is damaged, e.g., by earthquake. CONSTITUTION: The safety cabinet 1 i...
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JP57047473 |
PURPOSE: To obtain a sample handling apparatus suitable for handling a pathogenic microorganism of highest ratio of danger, by mounting a dunk tank containing a sterilized solution movably to a cabinet having work gloves. CONSTITUTION: G...
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JP57018978 |
PURPOSE: To prevent the flying scattering of a dangerous material to the outside of a laboratory by simple apparatuses, by using a front room having an opening communicating with the outside air additionally provided at the laboratory wi...
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JP56067545 |
PURPOSE: To make possible safe exchanging work without any danger for contamination by mounting a freely removable bag airtightly to a filter exchange port and exchanging the used filter under noncontacting state. CONSTITUTION: A soft an...
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JP56065638 |
PURPOSE: To prevent harmful substances from leaking to the outside by installing multiple number of free-to-tilt dampers under the cabinet fan and forming many divided blast passages. CONSTITUTION: Many dampers 12 are installed, in conti...
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JP55114350 |
PURPOSE: To effect a good exhaustion by a method wherein openings are installed on pipe material to form skeleton of draft unit, and exhaust gas is introduced into the openings, is passed through the skelton pipe internal, and is guided ...
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JP55114351 |
PURPOSE: To prevent contamination of treating liquid and working space by a method wherein a clean gas injection inlets are installed around a treating tank so that gas flowing toward an exhaustion outlet covers the upper portion of the ...
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JP53009387 |
PURPOSE: An inner working box is placed in a working booth for the preparation of polymer films etc., and washed and cleaned air is introduced to the outside of said box, thereby attaining the bacteria-and dust-free environment in the box.
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JP52138967 |
PURPOSE: To simplify constitution by moving an organism forcedly from the lower opening of a vessel containing the organism with a horizontally movable floor.
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JP52047756 |
PURPOSE: To avoid resonance frequencies characteristic of the three dimensions of a shielding chamber by providing the shielding chamber with a net-like masking screen to partition the shielding chamber.
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JP52024548 |
PURPOSE: To provide an articicial snowfall device for use in snowfall test etc., which permits the snow to fall on the object to be tested with an uniform thickness.
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