Measurement pneumatically of thicknesses of coatings
专利汇可以提供Measurement pneumatically of thicknesses of coatings专利检索，专利查询，专利分析的服务。并且Apparatus for pneumatically measuring the thickness of a coating on a support. A pneumatic measurement nozzle is mounted on a nozzle-carrying plate for directing a gas stream toward the support which rests on a base member. The nozzle-carrying member is movably mounted on guides. An absolutely calibrated fine measurement sensor is mounted on the device with one end connected to the nozzle-carrying plate and the other end connected to the base. A calibrated indicating instrument is operatively mounted in the pneumatic supply system for indicating discharge resistance at the nozzle and thereby indicating the elevation of the nozzle-carrying member relative to the base. For the measurement, a partially coated support can be placed on the base with an uncoated portion of the support beneath the nozzle. The nozzle can be moved to a selected elevation as a first position, and the elevation of that position can be read with the fine measurement sensor and the value stored in a computer, and the reading on said calibrated indicating instrument for said elevation can be noted. The support can then be moved so that a coated portion thereof is beneath the nozzle, and the nozzle can then be moved to a second position to provide the same reading on the calibrated indicating instrument. The elevation of the nozzle at said second position can be read with the fine measurement sensor and the measurement value fed to the computer, and the film thickness can then be determined by comparing the readings of the fine measurement sensor.，下面是Measurement pneumatically of thicknesses of coatings专利的具体信息内容。
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