Apparatus for measuring film bubbles
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United States of America Patent
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Oct 22, 2013
Grant Date -
Nov 3, 2011
app pub date -
Apr 27, 2011
filing date -
Apr 29, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for measuring film bubbles (10), includes a guide track (22) that extends in a circumferential direction of the film bubble with a constant spacing relative to the latter, the guide track guiding a carriage (20) which carries a measuring head (12) facing the peripheral surface of the film bubble (10), the measuring head (12) is connected to a free end of a cantilever (18) via an articulated joint (16), the cantilever having another end pivotally connected to the carriage (20), and a compensating drive mechanism (30) for correcting a change in the orientation of the measuring head (12) resulting from a pivotal movement of the cantilever (18) is associated with the articulated joint (16).
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