Stock material or miscellaneous articles – Composite – Of metal
Patent
1991-12-18
1994-05-31
Robinson, Ellis P.
Stock material or miscellaneous articles
Composite
Of metal
428208, 428328, 428368, 4285428, 428900, 324230, 324231, 156 64, G01B 700, B32B 706
Patent
active
053168577
ABSTRACT:
A sheet material in the form of a transparent film, paper sheets, or the like, is made machine visible or recognizable by recognition enhancing elements. These elements are of such a nature that they are machine readable, e.g. by optical, electrical, or magnetic sensors to increase the machine visibility of any slivers that may have remained in and/or on a prepreg or stack of prepregs. The signals sensed by photosensitive and/or magnetic and/or electric sensors are so processed that an alarm is provided when a sliver or remnant of the sheet material has been detected, and so that the location of such a sliver may be indicated.
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Deutsche Aerospace Airbus GmbH
Dye Rena L.
Fasse W. F.
Fasse W. G.
Robinson Ellis P.
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