公开(公告)号：US3741491A

公开(公告)日：1973-06-26

申请号：US3741491D

申请日：1971-11-29

Applicant: LEESONA CORP

Inventor： RICHTER H

IPC: B65H54/38

CPC classification number: B65H54/38 ,  B65H2701/31

Abstract: Apparatus for winding an advancing strand of yarn into a package is disclosed. The apparatus includes means for rotatably supporting and driving a package at a substantially constant rate of speed and means for traversing a strand onto the package as the package is rotated. Drive means for operating the traversing means is provided and regulating means for periodically increasing and decreasing the speed of the drive means as the strand is traversed onto the package is included. The control means is operable in response to the regulating means to disrupt the synchronism between the rotation of the package and the traversing of the strand onto the package to thereby prevent the formation of bands or ''''ribbons'''' wherein the strand coils in the package are crowded together or ''''piled.

Abstract translation: 公开了一种用于将前进的纱线卷绕到包装中的装置。 该装置包括用于以基本上恒定的速度可旋转地支撑和驱动包装的装置，以及用于在包装旋转时将绳子横穿到包装上的装置。 提供了用于操作运行装置的驱动装置，并且包括用于在股线穿过包装件时周期性地增加和减小驱动装置的速度的调节装置。 控制装置响应于调节装置可操作以破坏包装的旋转和股线到包装上的横移之间的同步，从而防止形成带状或带状，其中包装中的股线圈是拥挤的 一起或“堆积”

公开(公告)号：US3774384A

公开(公告)日：1973-11-27

申请号：US3774384D

申请日：1972-02-28

Applicant: LEESONA CORP

Inventor： RICHTER H

IPC: B65H51/22 ,  B65H54/20 ,  D02G1/06 ,  D02G1/20 ,  D02J13/00 ,  D02J1/12 ,  D06C1/08

CPC classification number: D02J13/001 ,  B65H51/22 ,  B65H54/20 ,  B65H2701/31 ,  D02G1/06 ,  D02G1/205

Abstract: Continuous process and apparatus for bulking textured yarn includes combining a plurality of strands of the textured yarn into a continuous tow, forming the tow into a continuous series of loops, moving the looped tow through a bulking zone, setting the bulked tow, separating the tow into individual bulked strands, and collecting the strands into packages. The bulking chamber includes a plurality of positively driven screw-like members, which advance the tow through the chamber under bulking conditions at a predetermined rate. In one embodiment the tow is delivered into the chamber through a course which includes forming the tow into relatively large loops which are permitted to shrink and thus bulk promptly upon introduction into the bulking zone. The bulking zone includes controlled conditions of temperature and humidity. In another embodiment the tow is first subjected to a preconditioning step within the bulking zone and thereafter is bulked while being relaxed under controlled conditions in the bulking zone. Subsequently, the bulk is set in a separate zone by dry heat.

Abstract translation: 用于膨化变形纱线的连续工艺和装置包括将多根股线变形纱线组合成连续的丝束，将丝束形成连续的一系列环，将环状丝束移动通过填充区，设置膨化丝束，分离丝束 分成单个的膨胀股，并将股线收集成包装。 膨胀室包括多个主动螺杆状构件，其以预定速率在膨胀条件下将丝束推进通过腔室。 在一个实施例中，丝束通过包括将丝束形成相对大的环的过程而被输送到腔中，这些环被允许收缩，并因此在引入膨胀区时迅速膨胀。 膨胀区包括温度和湿度的受控条件。 在另一个实施方案中，丝束首先在膨化区内进行预处理步骤，然后在膨胀区的受控条件下松弛。 随后，通过干热将块体设置在单独的区域中。

公开(公告)号：US3727855A

公开(公告)日：1973-04-17

申请号：US3727855D

申请日：1971-04-05

Applicant: LEESONA CORP

Inventor： RICHTER H

IPC: B65H54/32 ,  B65H54/38

CPC classification number: B65H54/32 ,  B65H54/38 ,  B65H2701/31

Abstract: A method and apparatus for forming a wound yarn package on a winder having a rotary traverse cam and a cooperating follower yarn guide for traversing a strand of yarn as it is wound onto the package. The winder is equipped to synchronize ribbon breaking, scattering, and shortening of the traverse stroke of the yarn guide, for slowly or rapidly winding a cheese (or cone) shaped yarn package usually with tapered end faces so that the package is suitable for very rapid over-end unwinding within tolerable yarn breakage limits, as on a ''''shuttleless'''' loom. A package drive roll is operated at constant speed and the traverse cam speed is varied in the neighborhood of 10 to 30 percent or more to provide a form of ribbon breaking and constantly varying high and low wind ratios. Scattering is provided at opposite end portions of the package for a length sufficient to avoid hard corners at the opposite end faces of the package. Traverse stroke shortening is not always required but, depending on the characteristics of the yarn, is generally desirable for tapering the end faces to deter stitching. Stroke shortening and scattering are accomplished by axial shifting of the rotary traverse cam. The ribbon breaking and scattering features are synchronized so that the sharpest yarn reversals are provided at the end faces with broader reversals immediately inwardly of these faces.

Abstract translation: 一种用于在卷绕机上形成缠绕纱线卷装的方法和装置，其具有旋转横动凸轮和协同随动纱线引导件，用于在纱线卷绕到包装上时横过纱线。 卷绕机配备使纱线导纱器的横动行程的色带断裂，散射和缩短同步，以缓慢或快速地卷绕通常具有锥形端面的奶酪（或锥形）形状的纱线包装，使得包装适合非常快速 在可承受的断纱限制范围内，如“无梭”织机上的超端展开。 包装驱动辊以恒定速度运行，并且横向凸轮转速在10％至30％或更大的范围内变化，以提供丝带断裂的形式，并且不断变化的高低风比。 在包装的相对端部处提供散射，其长度足以避免在包装的相对端面处的硬拐角。 横向行程缩短并不总是需要的，但是根据纱线的特性，通常需要使端面逐渐变细以阻止缝合。 行程缩短和散射通过旋转横动凸轮的轴向移动来实现。 丝带断裂和散射特征是同步的，使得在端面处提供最尖锐的纱线反转，在这些面部的内部立即具有更宽的反转。

公开(公告)号：US3842582A

公开(公告)日：1974-10-22

申请号：US31624272

申请日：1972-12-18

Applicant: LEESONA CORP

Inventor： RICHTER H

IPC: D02G1/08 ,  D01H7/92 ,  D02G1/04

CPC classification number: D02G1/08

Abstract: A novel process and apparatus for twisting filamentary material such as yarn is disclosed wherein yarn is twisted down stream of a heating means and intermediate of take-up and feed stations. Opposite sides of the yarn are contacted at successive points therealong thus gripping the yarn while both an advancing and rolling motion is imparted thereto. Such motion is imparted to the yarn in one physical embodiment of the invention by means of a pair of rolls provided with meshed teeth formed along circumferential surfaces thereof. The rolls in such embodiment are mounted in angular relationship to each other so as to permit the teeth of respective rolls to engage opposite sides of a filamentary piece of material passing between said rolls at opposite sides and at successive points therealong. Such contact along successive opposite portions of the yarn causes the yarn to take a continuous and essentially stable path between the rolls and enables a positive grip to be imparted to the yarn thereby overcoming the torque imparted to the yarn as a frictional twist component of the meshed teeth. The apparatus of the present invention may thus be characterized as a friction twist head and its method of operation a process for imparting false twist to filamentary material by frictional contact.