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| Number | Title | Issue Date |
| 7288306 | Textile substrate having low variable twist yarn A textile substrate is made from two or more strands of yarn that are twisted together using a very low variable twist level. The amount of slight twist and variation in the twist are effective to give the finished carpet made from the textile substrate a uniform ap... | 10/30/2007 |
| 7133715 | Hearing evaluation device with noise detection and evaluation capability An apparatus and method for evaluation of hearing loss is disclosed. The apparatus and method use evoked Auditory Brainstem Responses (ABR) to determine if the subject is able to hear click stimuli that are repeatedly administered. In order to facilitate efficient d... | 11/07/2006 |
| 6476570 | Device and process for controlling the motor drives of textile machines A device and a process for controlling the motor drives (121) of textile machines, comprising at least one "encoder" (101), capable of controlling the number of revolutions of each motor (121), and at least one central electronic unit (111) processing the... | 11/05/2002 |
| 5904036 | Roving frame and method of operating same A roving frame has a drafting frame receiving sliver and feeding rovings to respective roving winding stations. Respective spindles at these stations receive core sleeves on which the roving bobbins are wound for respective flyers. An evaluating and contr... | 05/18/1999 |
| 5560193 | Method and device for winding a roving in a flyer frame When a residual amount R of a roving required to make a bobbin full at a desired stopping position A of the bobbin rail which moves upwardly is smaller than the amount (4×L) corresponding to remaining four layers of the roving for a normal winding proces... | 10/01/1996 |
| 5463557 | Roving machine A data base used for determining the amount of decrease in the bobbin rotational speed that corresponds to an increase in the number of roving layers, along with silver weight, fiber kind, the number of revolutions of a flyer and the number of laps over p... | 10/31/1995 |
| 5341633 | Apparatus for winding a roving applied to a roving frame In a roving winding apparatus applied to a roving frame provided with a plurality of draft parts and corresponding bobbin wheels, a bobbin shaft for driving the bobbin wheel, a bobbin rail on which the bobbin shaft is rotatably horizontally mounted along ... | 08/30/1994 |
| 4698957 | Method of controlling a roving machine having a decentralized drive system A method of controlling a roving frame to produce good quality results with fewer procedural interruptions and without knowing precise parameters of the textile material being processed. To this end, optimum roving tension during the laying down of each r... | 10/13/1987 |
| 4551969 | Apparatus for controlling the winding speed of roving in roving frame An apparatus for controlling the roving winding speed in a roving frame, in which a roving position detecting unit detects central positions of vibration of the roving in the vertical direction while suspended between a front roller of the drafting device... | 11/12/1985 |
| 4467593 | Method and apparatus for automatically controlling winding tension of a roving in a roving machine A method and an apparatus for automatically controlling the winding tension of the roving in a bobbin lead roving machine is disclosed. The mean bobbin winding diameter DB, bobbin r.p.m. NB and the flyer r.p.m. NF are meas... | 08/28/1984 |
| 4467592 | Method and apparatus for controlling the roving take-up tension in a roving machine Described is a bobbin lead roving machine in which target r.p.m. values for the bobbin are found in advance for each of arbitrarily selected numbers of the layers of the roving taken up on the bobbin and are stored in a micro-compouter, there r.p.m. value... | 08/28/1984 |
| 4409785 | Method of starting a flyer frame The slack of a rove is actually developed by a time difference between the time point at which the rove is supplied simultaneously with the pushing down of a start button of a flyer frame, and the time point at which the winding of the rove commences afte... | 10/18/1983 |
| 4375744 | Apparatus for controlling the rotational speed of the spindles of a spinning preparatory machine The invention concerns an apparatus for controlling the rotational speed of the spindles of a spinning preparatory machine equipped with spindles and flyers. The proposed control arrangement comprises an infinitely variable variator, which is adapted or a... | 03/08/1983 |
| 4370850 | Roving frame and a method of packaging roving Tension is reduced in the unwound length of roving remaining between the drafting mechanism and the package after the frame has been brought to a halt. This can be done by additional feed from the drafting mechanism after stopping of the other elements of... | 02/01/1983 |
| 4254615 | Apparatus for controlling the bobbin drive of a flyer roving frame A device for controlling the bobbin drive of a flyer roving frame which has a bobbin, a flyer and drive roll thereon that are utilized for building a bobbin with yarn. A drive for the frame incorporating a differential gear and controls are provided for a... | 03/10/1981 |
| 4196572 | Textile winding apparatus A textile winding head of the driven flyer type having a rotary bobbin carrier is provided with an adjustable brake of the electromagnetic induction type, preferably of the regenerative type, and a controller for increasing the braking torque progressivel... | 04/08/1980 |
| 4134253 | Method and apparatus for winding roving with constant tension on bobbin on bobbin-lead type roving frame In converting a sliver into a roving on a bobbin-lead type roving frame, the speed of a bobbin is controlled in accordance with a slight difference between the roving tension and a predetermined tension, so that the roving can be wound onto the bobbin whi... | 01/16/1979 |
