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Patent Searching and Data


Title:
FILM THICKNESS SENSOR WITH A POROUS BLOWER
Document Type and Number:
WIPO Patent Application WO/2009/012956
Kind Code:
A3
Abstract:
The invention describes a sensor system (3) for measuring the thickness of a film (2) which is moved relative to the sensor system (3), which system has the following features: a first sensor apparatus (14) for measuring the thickness of a film (2), means for generating an air cushion (23), which means are arranged in such a manner that an air cushion (23) is produced between the film (2) and the at least one side (16) of the sensor apparatus (15) which faces the film (2) during operation. The first sensor apparatus (14) has, in the region of the air cushion (23), area sections made of material which is porous and/or is provided with micro-holes.

Inventors:
AVERMEYER ANSGAR (DE)
Application Number:
PCT/EP2008/005950
Publication Date:
May 03, 2012
Filing Date:
July 21, 2008
Export Citation:
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Assignee:
WINDMOELLER & HOELSCHER (DE)
AVERMEYER ANSGAR (DE)
International Classes:
G01B5/06; B29C48/92; G01B7/06; G01B13/06; G01B21/08
Foreign References:
DE102005051675B32007-04-19
EP0157237A21985-10-09
US20020130431A12002-09-19
US3513555A1970-05-26
US3528002A1970-09-08
Attorney, Agent or Firm:
WEBER, Jan (Münsterstrasse 50, Lengerich, DE)
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