...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7798382 | Regulating the web tension of a continuous material A method for regulating a web tension of a continuous materials which is moving using a transport device with a web-tension controller, includes determining controller characteristic parameters, and using for the determining of controller characteristic parameters a... | 09/21/2010 |
| 7398903 | Wire-feeding device for a wire-processing machine A wire feeding device for very fine wire includes a straightening unit, a transporting unit, a wire buffer, and a wire guide arranged on a table on which a swivel unit with a wire drive is also arranged. The swivel unit serves wire-processing stations of a wire-proc... | 07/15/2008 |
| 7349756 | Method for control of yarn processing equipment A method for starting or stopping each of at least two separately controllable roll-sets (22, 26, 34, 56) used for processing a yarn (Y) in a stretch-break process, each roll-set comrpising at least two rolls, the method is characterized by the step of each r... | 03/25/2008 |
| 7337936 | Continuous paper transporting mechanism and printing apparatus having the same A printing apparatus having a mechanism for transporting continuous paper includes: a frictionally transporting section for frictionally transporting the continuous paper; a paper braking section provided on an upstream side of the frictionally transporting section;... | 03/04/2008 |
| 7243872 | Device for detecting and/or adjusting a tensile force in a yarn Apparatus monitoring and/or adjusting tensile force in a yarn (10) including at least three consecutive yarn deflecting elements (11, 12, 13) of which the central deflecting element (12) is displaceably held by a retention device (14) tha... | 07/17/2007 |
| 7204005 | Manufacturing method of endless metal belt and manufacturing apparatus of endless metal belt A manufacturing method of an endless metal belt having metal rings built up and differing in circumference, includes the following steps of: a first circumference correction step of expanding each of the metal rings; and a second circumference correction step of exp... | 04/17/2007 |
| 7163173 | Method of and apparatus for winding web When an elongate film is initially wound around a core, it is wound under a low winding tension command value T1 corresponding to the length of the core. Then, after the tension is progressively increased at a predetermined rate, the elongate film is wound wh... | 01/16/2007 |
| 7157878 | Transient compensation voltage estimation for feedforward sinusoidal brushless motor control A method for controlling a voltage mode controlled electric machine comprising: receiving a torque value representative of a desired torque; obtaining a speed value indicative of a rotational velocity of the electric machine; acquiring a phase advance value indicati... | 01/02/2007 |
| 7121063 | Method for controlling zipper tension in packaging equipment Methods and apparatus for controlling the tension of one continuous material (e.g., plastic zipper) with attachments or formed features (e.g., sliders or formed slider end stops) as it is fed to a sealing station, where it is joined to and later pulled by another co... | 10/17/2006 |
| 7104712 | Roll sheet holder and tape printer A tape printer includes a holder support member at one side end in a roll sheet holder storage part in a direction substantially perpendicular to a feeding direction. In the holder support member, a mounting piece which is substantially rectangular in section and fo... | 09/12/2006 |
| 7067039 | Method and equipment in connection with a paper machine or a paper web finishing apparatus A variable representing runnability of a paper web to be manufactured with a paper machine or processed with a finishing apparatus is measured and the speed difference between operational groups of the paper machine and/or the finishing apparatus is adjusted on the ... | 06/27/2006 |
| 7047852 | Feedforward control system for an elastic material A process for providing feedforward control to control the feed rate of an elastic material. The process involves measuring the distance between registration marks on the elastic material prior to cut-off. These measurements are compared to a target cut length. The ... | 05/23/2006 |
| 7017850 | Wire manipulator methods and apparatus for dynamo-electric machine coil winding The present invention concerns solutions for disposing the wire leads of a wire coil along trajectories that have predetermined positional references relative to the dynamo-electric machine component. The present invention proposes to provide a wire lead manipulator... | 03/28/2006 |
| 7004053 | System for measuring and controlling cut length of discrete components in a high-speed process A closed-loop system can maintain a pre-set cut length of a material as the material is cut and placed on a web. The system has the ability to measure the actual cut length, compare the average actual cut length to a target cut length, and to adjust web tension or f... | 02/28/2006 |
| 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 |
| 6968254 | Feedback controlled tension applying system A feedback controlled tension applying system includes a corrugated fin processing device that processes a fin material in continuous sheet form while applying a tension to the fin material. A tension applying device applies the tension to the fin material. An encod... | 11/22/2005 |
| 6921359 | Apparatus for feeding zipper with sliders to packaging machine Methods and apparatus for feeding continuous zipper material with sliders to a thermoforming packaging machine that advances the packaging film N package lengths each advance, where N is a positive integer greater than unity. In the packaging machine, pockets are th... | 07/26/2005 |
| 6824032 | Controller of running tension of paper web for rotary press A controller for controlling the running tension of paper web for rotary press includes a paper feed unit (1) and a printing unit (2) provided with a printing cylinder (21) rotating according to an operation speed command. An in-feed roller (... | 11/30/2004 |
| 6810812 | Method for regulating the tension of a web The tension of a web in a rotary printing press is regulated during passage of the web between at least first and second cylinders of at least one printing group. The two cylinders are driven using at least one drive mechanism. A distance between the two cylinders i... | 11/02/2004 |
| 6799507 | Web printers A web printer has a buffer for adjusting the traveling position of the web under its slack status, a tension assigning unit for assigning fixed tension to the web delivered from the buffer, a device for detecting the traveling position of the web delivered from the ... | 10/05/2004 |
| 6536700 | Variable tension fiber winding The invention relates to a method of winding optical fiber onto a spool. The method includes varying a target, tension applied to a fiber as the fiber accumulates onto the spool such that the percentage change in lateral load is greater than about -3.4% f... | 03/25/2003 |
| 6499639 | Method and apparatus for dynamically controlling a web printing press A method for dynamically controlling a driver of a nip roller in a web printing press includes controlling the speed of the driver in a tension-control mode during a phase of printing press operation and in a velocity-control mode during another phase of ... | 12/31/2002 |
| 6486904 | Thermal transfer printer that is capable of maintaining intermediate transfer sheet tension constant The thermal transfer line printer is provided with tension roller position detection means having tension rollers, rotatable tension roller support frames that support the tension rollers rotatably and press the tension rollers toward an intermediate shee... | 11/26/2002 |
| 6471152 | Dancer roll mechanism and web feeding apparatus incorporating such dancer roll mechanism A dancer roll device has a support assembly that supports a roll. A ball screw is rotatably mounted on the support assembly. A weight member is mounted on the ball screw by a nut member that is threaded over the ball screw. When the ball screw is rotated ... | 10/29/2002 |
| 6450212 | Solid state web take-up control An off-loom take-up for winding a cloth roll from woven cloth coming from a loom which includes a frame and a pair of spaced take-up rollers carried by the frame, at least one of the take-up rollers is a driven take up roller. A drive motor with an output... | 09/17/2002 |
| 6433499 | Device and method for automatic tension transducer calibration An apparatus for calibrating a tension transducer for a web includes a pair of nip rollers and a motor for driving at least one of the pair of nip rollers, the motor having at least one roller output being a function of at least one of a motor torque and ... | 08/13/2002 |
| 6314333 | Method and apparatus for controlling web tension by actively controlling velocity and acceleration of a dancer roll This invention pertains to processing continuous webs such as paper, film, composites, and the like, in dynamic continuous processing operations. More particularly, it relates to controlling tension in such continuous webs during the processing operation.... | 11/06/2001 |
| 6276587 | Arrangement for delivering a web of material from a storage reel to a process line, and a unit included in the arrangement An arrangement for delivering a web of material from a storage reel to a process line for manufacturing absorbent disposable articles. The arrangement includes a web tension control unit for holding a predetermined value of tension in the web of material ... | 08/21/2001 |
| 6273313 | Process and apparatus for controlling the registration of converting operations with prints on a web A process and apparatus for maintaining the registration of folds with successive indicia on an advancing paper web is provided. The apparatus includes a control system for detecting the location of the indicia relative to a folding operation and adjustin... | 08/14/2001 |
| 6216747 | Beam let-off apparatus and a method for letting off filaments A beam let-off apparatus capable of adjusting the tension of a plurality of filaments as they are removed from a beam through the controlled movement of a pivoting arm directed by the tension of the unwinding filaments, comprises a frame, a driven roll, 1... | 04/17/2001 |
| 6155963 | Cushioning conversion machine with power infeed A cushioning conversion machine and method for converting sheet stock material into a relatively low density cushioning dunnage product. The machine has at least one conversion assembly for forming the stock material into a three-dimensional shape and a p... | 12/05/2000 |
| 6024319 | Tension control apparatus A tension control apparatus includes at least two guide rollers and at least one dancer roller disposed so as to be movable relative to said guide rollers, and applies a predetermined amount of tension to a linear body wound about the guide rollers and da... | 02/15/2000 |
| 6010052 | Yarn supply apparatus with electronic control For supplying yarns, a yarn supply apparatus is contemplated that is designed particularly for knitting machines whose yarn demand fluctuates greatly over time. The yarn supply apparatus has a rotor-driven yarn wheel, which in the ideal case furnishes yar... | 01/04/2000 |
| 6000595 | Method and apparatus for pinless feeding of web to a utilization device A system and method for utilizing a continuous pinless web that is free of tractor pin feed holes within a utilization device that is originally adapted to feed web having tractor pin feed hole strips along its widthwise edges is provided. The utilization... | 12/14/1999 |
| 5996492 | Method and apparatus for regulating web tension in a web-fed rotary offset printing press A method for regulating web tension in a web-fed rotary offset printing press includes increasing web tension over a predetermined speed range, substantially linearly with web speed, as the printing press runs up to operating speed, and an apparatus for p... | 12/07/1999 |
| 5988553 | Entangling protection arrangement for a thread feeding buffer A thread feeding buffer for feeding a fibre thread from a magazine roll to a feed apparatus at a robot arm which is freely movable in the room. The thread feeding buffer including a thread brake and at least one movable thread guide on which a thrust forc... | 11/23/1999 |
| 5964390 | Arrangement and web tension control unit for web delivery An arrangement for delivering a web of material from a storage reel to a process line for manufacturing absorbent disposable articles. The arrangement includes a web tension control unit for holding a predetermined value of tension in the web of material ... | 10/12/1999 |
| 5878933 | Strip guiding apparatus and associated method for maintaining lateral position Strip guiding apparatus includes a roll rotatable about its longitudinal axis over which strip will travel while under tension. Sensing apparatus determines the lateral position of the strip with respect to the desired position and emits signals to contro... | 03/09/1999 |
| 5826774 | Wire tensioner for dynamo-electric machine coil winder A tensioner for an armature winder which significantly reduces instantaneous increases in wire tension during winding or lead connection. System controls control the drag of a hysteresis brake, monitor wire tension via a load cell, and control a dancer ar... | 10/27/1998 |
| 5813586 | Apparatus and method for controlling web speed There is provided an apparatus for controlling the infeed speed of a bag making machine. In one embodiment, the nip roll speed is changed from a variable speed to a fixed speed after a cycle interrupt occurs. Once a dancer arm returns to an upward positio... | 09/29/1998 |