公开(公告)号：US4854511A

公开(公告)日：1989-08-08

申请号：US170279

申请日：1988-03-18

申请人： Sergio Montali ,  Giorgio Boller ,  Luigi Colli

发明人： Sergio Montali ,  Giorgio Boller ,  Luigi Colli

IPC分类号： B65H59/00 ,  B65H59/36 ,  B65H59/38

CPC分类号： B65H59/005 ,  B65H59/36 ,  B65H59/38 ,  B65H2701/31

摘要： A yarn storage and return device for yarn being wound on a conical bobbin driven at a constant speed. The device comprises a lever system for speed. The device comprises a lever system for storing and returning the yarn and for regulating and monitoring the amount of stored yarn. The yarn is drawn into the storage position by an arm of the lever system and is then released (i.e. returned) from this storage position. This returning operation releases the yarn from its storage position and replaces it (returns it) to its normal feed path. The device also comprises a transducer, and electric comparator, and an electric processor control unit to convert, compare and process an electrtic controlling signal to activate a drive source. The drive motor actuates a tensioning element which affects the storage operation of the device. The device further comprises a bidirectional drive unit to obtain a variation in the average yarn winding speed to restore the storage operation to a predetermined range of values.

公开(公告)号：US4969608A

公开(公告)日：1990-11-13

申请号：US375693

申请日：1989-07-05

申请人： Luigi Colli ,  Francesco Ferro ,  Sergio Montali

发明人： Luigi Colli ,  Francesco Ferro ,  Sergio Montali

IPC分类号： B65H59/36 ,  B65H59/38

CPC分类号： B65H59/36 ,  B65H59/382 ,  B65H2701/31

摘要： This invention relates to a device for regulating the winding speed in the formation of cross-wound conical bobbins where the yarn is withdrawn at constant speed from a rotor spinning unit by a lever system able to displace the friction drive band of the drive roller for the conical bobbin under formation, in order to vary the average resultant value of the varying winding speed during each double stroke of the yarn guide element. Said lever system is operated by a two-direction rotary drive source which is activated when a linear position element, associated rigidly with the yarn storage element, senses by known means that abnormal storage swings persist.

公开(公告)号：US4858837A

公开(公告)日：1989-08-22

申请号：US169495

申请日：1988-03-17

申请人： Sergio Montali ,  Francesco Ferro ,  Luigi Colli

发明人： Sergio Montali ,  Francesco Ferro ,  Luigi Colli

IPC分类号： B65H59/36

CPC分类号： B65H59/36 ,  B65H2701/31

摘要： A yarn storage and return device for yarn being wound on a conical bobbin driven at a constant speed. The device comprises a lever system for storing and returning the yarn and for regulating and monitoring the amount of stored yarn. The yarn is drawn into the storage position by an arm of the lever system and is then released (i.e. returned) from this storage position. This returning operation releases the yarn from its storage position and replaces it (returns it), to its normal feed path. The device also comprises a yarn tension measurer, an electric comparator, and an electric control unit to measure and compare the yarn tension, and to process an electric controlling signal to activate a drive motor. The drive motor actuates a tensioning element which affects the storage operation of the device.

公开(公告)号：US4856268A

公开(公告)日：1989-08-15

申请号：US218541

申请日：1988-07-13

申请人： Luigi Colli

发明人： Luigi Colli

IPC分类号： D01H7/86

CPC分类号： D01H7/866

摘要： This invention is a device for unwinding and guiding yarn from a feed bobbin located in a feed box. The device has an arm which is rotated by the tension of the unwinding yarn. More specifically, this invention is a device for unwinding and guiding yarn which has first unwinder arm rotating around the bobbin rotatably connected to a pivot positioned above the spindle head, and a second unwinder arm rotatably connected to the spindle for producing twisted yarn. The first unwinder arm is supported by a frame which is connected to the box containing the two superposed bobbins so as to allow the second unwinder arm to rotate within the rotatable trajectory of the first arm.

公开(公告)号：US4809927A

公开(公告)日：1989-03-07

申请号：US127110

申请日：1987-12-01

申请人： Luigi Colli ,  Sergio Monego

发明人： Luigi Colli ,  Sergio Monego

IPC分类号： B65H59/22

CPC分类号： B65H59/225 ,  B65H2555/11 ,  B65H2701/31

摘要： A disc-type yarn tensioner consisting of one or more tensioning elements in series, each composed of a pair of idly-rotating mutually facing discs of which the first disc is able to undergo only rotary movement whereas the second disc is able to rotate, translate axially, and incline its axis of rotation by the effect of the engagement between a rotating cylindrical cavity and a fixed spherical surface.

公开(公告)号：US4357792A

公开(公告)日：1982-11-09

申请号：US190637

申请日：1980-09-24

申请人： Armando D'Agnolo ,  Luigi Colli ,  Ugo Gaiotti

发明人： Armando D'Agnolo ,  Luigi Colli ,  Ugo Gaiotti

IPC分类号： D01H7/86 ,  D01H15/007 ,  D01H15/00

CPC分类号： D01H15/007

摘要： A deflector for twisting double twisting spindles with pneumatic threading of the filament and with prepositioning of the rotating part of the spindle during the threading phase. Substantially between the circumference described by the wall containing the outlet port of the filament of the rotating part and the peripheral rim of the rotating plate is arranged at least temporarily an angular deflector in cooperation with the neighborhood of the radial plane in which is disposed the outlet of the filament in the rotating part cooperating through its extension with the neighborhood of the tangent to the curved rim of the rotating plate.

摘要翻译： 用于扭转双扭转主轴的偏转器，其在丝线的气动螺纹处和在螺纹阶段期间预先定位主轴的旋转部分。 基本上在由包含旋转部件的细丝的出口的壁和旋转板的外围边缘之间描述的圆周之间基本上布置有角度偏转器，其与径向平面的附近配合，其中设置出口 旋转部分中的细丝通过其延伸部与转动板的弯曲边缘的切线附近配合。

公开(公告)号：US4854514A

公开(公告)日：1989-08-08

申请号：US170278

申请日：1988-03-18

申请人： Bruno Romanin ,  Francesco Ferro ,  Luigi Colli

发明人： Bruno Romanin ,  Francesco Ferro ,  Luigi Colli

IPC分类号： B65H59/22 ,  B65H59/36

CPC分类号： B65H59/225 ,  B65H59/36 ,  B65H2555/11 ,  B65H2701/31

摘要： A device and method for winding conical bobbins with yarn withdawn at constant speed from individual spinning units, and comprising: a deflecting roller, or similar element, which is connected to and moved backwards and forwards by a swinging arm which by storing and returning the yarn compensates for the different speeds at which the yarn is collected on the conical surface of the bobbin under formation wherein yarn is drawn into the storage position and is then released from this storage position, (i.e. returned). This returning operation releases the yarn from its storage position and replaces it (returns it), to its normal feed path; two proximity sensors positioned to define the regular range of swing of the yarn storage and return arm; an electronic control unit arranged to receive an electrical signal or several electrical signals provided by the proximity sensors when the yarn storage and return swings stray outside the regular range and arranged to generate, when said signals occur, an electrical control signal which activates a pressure variator; and a pressure variator which increases or decrease the pressure on a disc yarn tensioner in order to return the storage swing to within the range of values corresponding to regular storage.

摘要翻译： 一种用于从单个纺纱单元以恒定速度卷绕纱线的圆锥形线轴的装置和方法，包括：偏转辊或类似元件，其通过摆动臂连接并向前和向后移动，所述摆动臂通过储存和返回纱线 补偿纱线在形成的线轴的锥形表面上收集的不同速度，其中纱线被拉入储存位置，然后从该储存位置释放（即退回）。 这种返回操作将纱线从其储存位置释放，并将其替换（返回）到其正常进给路径; 两个接近传感器定位成限定纱线存储和返回臂的规则摆动范围; 电子控制单元，其布置成当纱线存储和返回摆动杂散在常规范围之外时接收由接近传感器提供的电信号或多个电信号，并且被布置成当所述信号发生时产生电控制信号，其激活压力变换器 ; 以及增加或减小圆盘纱线张紧器上的压力以便将储存摆动返回到对应于常规储存的值的范围内的压力变换器。

公开(公告)号：US4854513A

公开(公告)日：1989-08-08

申请号：US169396

申请日：1988-03-17

申请人： Giorgio Boller ,  Sergio Montali ,  Luigi Colli

发明人： Giorgio Boller ,  Sergio Montali ,  Luigi Colli

IPC分类号： B65H59/16 ,  B65H54/06 ,  B65H59/00 ,  B65H59/36

CPC分类号： B65H59/005 ,  B65H59/36 ,  B65H2701/31

摘要： A yarn storage and return device for yarn being wound on a conical bobbin driven at a constant speed. The device comprises a lever system for storing and returning the yarn and for regulating and monitoring the amount of stored yarn. The yarn is drawn into the storage position by an arm of the lever system and is then released (i.e. returned) from this storage position. This returning operation releases the yarn from its storage position and replaces it (returns it), to its normal feed path. The device also comprises a transducer, and electric comparator, and an electronic processor control unit to convert, compare, and process an electric controlling signal to activate a drive motor. The drive motor actuates a tensioning element which affects the storage operation of the device.