Assembled paper blowing nozzle for vital capacity test and use method
The invention relates to the technical field of vital capacity testing tools, in particular to an assembled paper blowing nozzle for vital capacity testing and a using method.The assembled paper blowing nozzle comprises an air inlet cylinder, the lower end of the air inlet cylinder is connected with...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
17.01.2023
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Subjects | |
Online Access | Get full text |
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Summary: | The invention relates to the technical field of vital capacity testing tools, in particular to an assembled paper blowing nozzle for vital capacity testing and a using method.The assembled paper blowing nozzle comprises an air inlet cylinder, the lower end of the air inlet cylinder is connected with a sealing sleeve, the upper end of the air inlet cylinder is provided with an upper connecting base, the lower end of the upper connecting base is bonded with a first sealing glue layer, and the air inlet cylinder is sleeved with a lower connecting base; a first sealing glue layer is adhered to the upper end of the upper connecting seat, a second sealing glue layer is adhered to the upper end of the lower connecting seat, blowing nozzle telescopic side plates are mounted at the upper end of the air inlet cylinder in a front-back opposite manner, first sealing edge plates are adhered to the upper ends of the blowing nozzle telescopic side plates, and first sponge layers are adhered to the upper ends of the first se |
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Bibliography: | Application Number: CN202211375585 |