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Class 139/1B - Inspecting devices


Subclass of Class 139 - Textiles: weaving
No. of patents: 17
Last issue date: 04/05/2011


NumberTitleIssue Date
7918248Component for a shed-forming apparatus and weaving machine
A shed-forming component (1, 3, 4, 24, 25, 26, 27, 28) of a shed-forming apparatus includes an information source (12, 16, 17, 18, 23, 29, 33) which may be connected to a control unit (13) for transmitting data about the specification of the com...
04/05/2011
7836916Component for a shed-forming apparatus and weaving machine
A shed-forming component (1, 3, 4, 24, 25, 26, 27, 28) of a shed-forming apparatus includes an information source (12, 16, 17, 18, 23, 29, 33) which may be connected to a control unit (13) for transmitting data about the specification of the com...
11/23/2010
7310565Method for optimizing a textile production process and devices applying this method
Method for optimizing a textile production process, which consists in manufacturing a fabric (11) on a weaving machine (1), characterized in that characteristics of the fabric (11) and/or fabric-determining elements are visualized on a machine s...
12/18/2007
6950717System and method for controlling width and stitch density of a fabric web
A system for controlling the width and stitch density of a moving fabric web compacted by a fabric compaction system. The width control subsystem comprises a first camera which captures an image of a moving fabric web, and a first controller, wherein the first contr...
09/27/2005
6101691Large fabric roll letoff
A fabric roll letoff for unrolling and inspecting a fabric roll. The apparatus includes: a continuous belt for supporting the fabric roll. A drive system for rotates the belt to letoff the fabric web. The drive system includes a drive roller; a idle rolle...
08/15/2000
6006791Loom with a device for detecting deficiencies in a length of fabric
A loom has an illuminating unit for improving the detection of deficiencies in a length of fabric. The illuminating unit extends over the entire width of the loom and at least one illumination device. The illuminating unit is pivotably fastened between lo...
12/28/1999
5694979Method and apparatus for inspecting woven cloth using a plurality of photoelectric sensors
A woven cloth inspecting apparatus eliminates the influences of disturbances such as illuminating light and fly. At least two photoreceptor elements are arranged in the direction of the weft yarn of woven cloth. The photoreceptor elements detect different...
12/09/1997
5566723Apparatus and method for guiding a textile web over a convex guiding surface
An apparatus and method for guiding a web utilizes a curved outer convex cloth guiding surface constructed of extruded aluminum with a specially hardened, brittle, wear resistant surface (A) on arcuate sections such as extrusions provided respectively at ...
10/22/1996
5456292Light box inspection apparatus and method
A unitary light box for inspecting cloth manufactured on a loom (10) is provided with first and second viewing areas (B) and (C), respectively, wherein cloth (F) having a vertical run is guided over an intermediate curved surface (D) for inspection provid...
10/10/1995
5433253Cloth abnormality inspecting device within a sealed container for a loom
A cloth inspecting device on a loom for detecting abnormality in the cloth being produced has a light emitting and receiving assembly mounted within a sealed container with a transparent window facing the cloth. Drive means for the assembly is within the ...
07/18/1995
5431192Light box for use in web inspection apparatus and method
An apparatus and method for inspecting and guiding a web utilizes a curved outer convex cloth guiding surface (A) on arcuate sections such as extrusions provided respectively at the top and bottom of the viewing area for guiding cloth and for forming a ho...
07/11/1995
5245858Method of measuring air-speed in a reed groove
Air is jetted into the reed groove of a modified reed in a manner equivalent to that in which air is jetted in practical weaving operation, air-speed is measured at a plurality of measuring points in the reed groove on each of a plurality of planes perpen...
09/21/1993
4953400Method of measuring the yarn density of a woven fabric or the stitch density of a knit fabric for readjusting the production machine in question
A method of measuring the yarn density of a woven fabric or the stitch density of a knitted fabric by recording a video image of the woven or knitted fabric to be examined by means of a video camera, converting the video image by an analog-to-digital conv...
09/04/1990
4952062Method and apparatus for detecting flaws in fabric
A method and apparatus for detecting flaws in web material such as fabric comprises an array of optical sensors arranged in closely spaced relationship into at least one row spanning the web to be inspected. A light source is mounted in spaced parallel re...
08/28/1990
4643230Method and apparatus for the automatic monitoring of textile fabrics, especially woven fabrics
The length of fabric is scanned continuously directly at the weaving machine and any defective variations from the texture judged to be normal are determined and displayed. Scanning is performed by an electrical-optical scanning head traversing across the...
02/17/1987
4146061Method of and apparatus for marking woven fabric with indicia during weaving of the woven fabric
Herein disclosed is a method of and an apparatus for marking a woven fabric with indicia of discrete events of a predetermined nature or natures such as unit lengths of the fabric woven and the occurrences of defects in weaving such as improperly inserted...
03/27/1979
3972624Process and apparatus for detecting longitudinal faults on moving webs of material
In a process for detecting longitudinally orientated faults on moving webs of paper or film, the web is optically scanned line by line transversely to its direction of movement and read by reflection. The scanning line is moved to and fro across the whole...
08/03/1976
 
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