Class 73/829 - By roller

Subclass of Class 73 - Measuring and testing
Definition: Subject matter where there is a roller, drum, or pulley
No. of patents: 37
Last issue date: 02/02/2010

Number	Title	Issue Date
7654149	Roller chain wear gauge The present disclosure relates to a handheld, single-piece wear gauge for chains, and more specifically, to a wear gauge with an elongated body carved into segments with markings, varied widths, and varied heights arranged along a guiding back rail. A roller chain w...	02/02/2010
7552649	Cable testing device A cable testing device adapted for testing a resisting conical-rotation ability of a cable includes a clipping apparatus for clipping one end of the cable, a rotatable apparatus disposed below the clipping apparatus and driven to rotate round an axis thereof, a firs...	06/30/2009
7430887	Roller for determining variations in flatness In the case of a measuring roller for determining flatness deviations when handling material in strip form, for example when rolling metal strip, the stress distribution is measured over the width of the strip with the aid of piezoelectric sensors, which are arrange...	10/07/2008
7325464	Method and a device for measuring stress forces in refiners A method and apparatus for measuring stress forces in refiners is disclosed. In the method, a measuring surface which is a portion of at least one refining surface containing at least a portion of the bars extending across that surface is resiliently mounted in the ...	02/05/2008
7303534	Rotating firmness sensor A firmness tester is disclosed which conducts its test through one or more rolling indenters impinging upon the surface of a subject. Most firmness sensors require the sample to be held stationary relative to the tester's reference plane. This invention allows the t...	12/04/2007
7222540	Wireline extensometer A new and useful wireline extensometer is provided that uses a tensioned cable extending between a supply spool and an anchor (e.g. of a type connected to a slope mass), measures movement of the cable to reflect movement of the anchor (e.g. due to movement of the sl...	05/29/2007
7096728	Polymer melt and elastomer extension fixture A system for making extensional measurements on a sample includes an armature, a motor drive shaft, a moveable cylinder, and a fixed cylinder. The motor drive shaft is attached to the armature. The moveable cylinder is mounted on the armature. The sample is stretche...	08/29/2006
7086325	Single sensor press system A tortilla press utilizing a single sensor provides improved efficiency and accuracy. The press has a belt driven by a motor and a platen driven by a hydraulic cylinder. The motor is controlled by an AC inverter. A programmable logic controller (PLC) controls the AC...	08/08/2006
7082839	Apparatus and method for testing moisture susceptibility, rutting and fatigue of material The moisture susceptibility material testing apparatus includes a specimen chuck, multiple rollers, a temperature controlled water bath, and a control system to automate the testing cycle and collection of data. The water bath is prepared at the desired testing temp...	08/01/2006
7062961	System for acquiring measured values representing the state of a material during production, processing or finishing of the material A state information system for acquiring measured values of chemical and/or physical variables during the production, processing or finishing of a material, in particular in the case of a printing material web in a web-fed press, includes at least one sensor for rec...	06/20/2006
7025317	Methods and apparatus for suspending fixtures The invention includes an angle bracket with a hole for a fastener and a flange for coupling a wire to the angle bracket. The flange is lanced and it is coupled to the wire by crimping. According to a first embodiment of the invention, the flange is provided with tw...	04/11/2006
7010988	Method and a device for measuring stress forces in refiners Methods of measuring stress forces in refiners are disclosed in which the refiners include refining disks with a refining surface and refining bars extending across the refining surface, as well as a measuring surface comprising a portion of the refining surface, th...	03/14/2006
6993964	Method of determining a modulus of elasticity of a moving web material A method of dynamically determining a modulus of elasticity of a moving web material using web tensions and web velocities. The tension and velocity of a moving web are determined in a first span. The tension and velocity of the moving web are also determined for th...	02/07/2006
6912916	Polyvalent test stand A test stand for allowing the testing of both a pull-type lifting apparatus and a push-type lifting apparatus. The test stand includes a base and a carriage component, the carriage component including a load transmitting section and a sensor receiving section. The l...	07/05/2005
6834553	Proof testing capstans for reducing shear and fiber coating deformation An apparatus for proof testing an optical waveguide fiber includes a first capstan defining a first outer diameter and a continuous first capstan belt under tension and in contact with the first outer diameter of the first capstan. The contact between the first caps...	12/28/2004
6612189	Tensile testing machine for variously cross sectional materials In order to provide a tensile testing machine of variously cross-sectioned materials which has a very concise structure to make possible more accurate measurement of tensile force, the testing machine is equipped with two roll stands which have gripping r...	09/02/2003
6427541	Apparatus for testing rolling contact fatigue resistance of materials with possible interruptions The present invention is an apparatus for testing the rolling contact fatigue resistance of materials that enables the interruption of testing as well as the continuation of testing from a defined prior state. During testing of the rolling contact fatigue...	08/06/2002
6223609	Apparatus for measuring the thickness and/or irregularities of a running sliver An apparatus for advancing a sliver and sensing thickness variations thereof in a fiber processing machine includes a tongue-and-groove roll pair composed of a tongue roll and a groove roll. The groove roll is radially fixedly supported and has a circumfe...	05/01/2001
6209401	Tension force meter Device for measuring tension force in web and wire without giving any permanent affect on the measured object. In goods transportation it is common to use webs to tie down the load to the load carrier, and it is important that the right pretension force i...	04/03/2001
6138506	Measuring idler-roller The invention concerns a measuring idler-roller for measuring stress distution of flexible bands that are moved in the direction of their length, in which roller force-measuring transducers arranged in recesses or their covers are surrounded by a plastic...	10/31/2000
6070472	Planarity measuring roller An arrangement for measuring the planarity of a rolled strip which is under tension in a hot strip rolling train with a roughing train and a finishing train including several roll stands and a reel. At least one measuring roller is arranged in rolling dir...	06/06/2000
6050148	Dynamic strength tester for paper cores A testing apparatus for determining dynamic strength of sample paper cores includes a rotatably driven pneumatic chuck for engaging the inner surface of a sample core to rotatably drive the sample core, and a variable-tension belt assembly having a flexib...	04/18/2000
5908989	Method and apparatuses for measuring and correcting the stress profile of saw blades A saw blade (10), in particular for band saws, is moved through a measuring path and a rolling path in a direction of travel (A) which essentially corresponds to its longitudinal direction, with two marginal regions of the saw blade (10) being supported o...	06/01/1999
5629487	Deflecting roller for sensing the distribution of stress along the roller A deflecting roller for sensing the distribution of stress along the roller while the roller deflects a strip of sheet material, and in particular, a deflecting roller having a plurality of stress sensors disposed around the roller such that the stress se...	05/13/1997
5433116	Apparatus for measuring prevailing instantaneous tension in an elongate strand The prevailing tension in an elongate strand, such as a textile yarn, is instantaneously measured, even at very low levels of tension and at fine incremental changes in tension, by a tension measuring apparatus utilizing a pair of fixed contact arms space...	07/18/1995
5016476	Optical fiber bending stress proof tester An optical fiber bending stress proof tester 40 which provides multiple mandrels or roller elements 22 and 24 for applying compression and tension stresses to multiple planes on the periphery of an optical fiber 10. In one embodiment, first and second rol...	05/21/1991
4924709	Tension testing tool A hand tool for tension testing of flexible elongated members and connections thereto comprises a drawn cup roller clutch having a shaft and a bearing assembly. The bearing assembly and the shaft are coupled for relative concentric rotation about an axis ...	05/15/1990
4893503	Method of measuring adhesive strength of adhesive sheet and apparatus for implementing this method A method of measuring adhesive strength is disclosed, characterized by the steps of: keeping the surface of a substrate adhered with an adhesive sheet in a fixed relative position to the pickup roller an auxiliary roller projecting from a machine frame; s...	01/16/1990
4888985	Method and apparatus for testing tape bond strength The method and apparatus employs a frequency sensitive electric motor and control system to measure the adhesive bond between a carrier tape and a cover tape adapted to carry miniature components. The adhesive bond strength is dynamically tested and recor...	12/26/1989
4628742	Tensile strength tester for hair Apparatus for measuring tensile strength of hair samples in which the test is controlled automatically to provide the average value of a plurality of hair samples. The apparatus is digitally controlled to provide a rapid testing cycle time. Tension is app...	12/16/1986
4601208	Optical fiber proof testing equipment Optical fiber proof testing equipment has a rotary drive and two pulleys directly coupled to the drive. A fiber is taken from fiber drawing equipment around part of the circumference of the first pulley, along a guide track and around part of the circumfe...	07/22/1986
4393701	Yarn tester system A yarn tension control for a yarn testing machine includes: a support; a carriage moveable relative to the support; and a tension arm pivotably mounted to the carriage for engaging the yarn. The tension arm is set in a neutral position to apply a predeter...	07/19/1983
4346601	Testing glass fibres A method of proof testing an optical glass fibre by pulling it around a free roller whose radius is sufficiently small to impart the strain necessary to detect fibres whose surface or near surface flaws weaken the fibre below a required strength. Proof te...	08/31/1982
4286469	Optical fiber test apparatus Fibers, particularly optical fibers, are tested for determining their tene strength in expected environments. A pair of sheaves, on journaled and the other fixed receive a looped length of fiber and are placed within a cylindrical shell which is filled w...	09/01/1981
4182169	Tension detector for an advancing yarn layer Tension detector for an advancing layer of straightened yarns. A section of yarns of the layer 5 is guided along a V-path 5a by means of three guide member 1,4 of which a first group 1 is situated on one side of the layer 5 and a second group 4 is situated on ...	01/08/1980
4148218	Apparatus for applying tensile stress to fiber First and second tractor assemblies apply a preset tension to incremental lengths of fiber which moves continuously through the apparatus. The apparatus performs the functions of fiber pulling and non-destructive testing of all of the fiber. Each tractor ...	04/10/1979
3933035	Installation for continuous measurement of the elastic coefficient of a traveling strip, wire or ribbon Apparatus for the continuous measurement of the elastic coefficient of a traveling strip, wire or ribbon, is characterized in that it employs first and second means for driving the strip arranged one behind the other in the direction of motion of the stri...	01/20/1976

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Class 73/829 - By roller