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1. 发明申请

US20140150979A1 PRESSURE CONTROL MECHANISM FOR ADHESIVE THERMAL COMPRESSION BONDING MACHINES 审中-公开
标题翻译：用于粘合式热压机的压力控制机构
公开(公告)号：US20140150979A1
公开(公告)日：2014-06-05
申请号：US13924122
申请日：2013-06-21
申请人： Kwangwoo Michael Ko
发明人： Kwangwoo Michael Ko
IPC分类号： B32B37/10
CPC分类号： B32B37/10 , B29C65/4815 , B29C65/4825 , B29C65/4835 , B29C65/5057 , B29C65/7841 , B29C66/0322 , B29C66/0342 , B29C66/54 , B29C66/742 , B29C66/81451 , B29C66/8161 , B29C66/8242 , B29C66/8322 , B29C66/9241 , B29C66/92445 , B29C66/929 , B29K2101/12 , B29K2305/00 , C09J5/06 , Y10T156/10
摘要： Mechanism for controlling pressure during the adhesive thermal compression bonding provides benefits of higher production yield, improved adhesive bonding performance and quality. Springs and pneumatic pistons are utilized to provide improved pressure control during the adhesive thermal compression bonding process. All production parts have certain geometric tolerances and automatically accommodating these tolerances increases production yield by reducing waste of incompletely adhesive bonded parts. The gaps caused by the parts tolerance are closed in a controlled manner using the mechanism and the pressure is controlled for effective adhesive bonding.
摘要翻译：在粘合剂热压粘合期间控制压力的机构提供了更高的生产率，改进的粘合剂粘合性能和质量的优点。弹簧和气动活塞用于在粘合剂热压接过程中提供改进的压力控制。所有生产零件都具有一定的几何公差，并通过减少不完全粘合的部件的浪费来自动调整这些公差来提高产量。由部件公差引起的间隙以受控的方式使用该机构封闭，并且控制压力以进行有效的粘合。

2. 发明授权

US08469074B2 Pressure control mechanism for adhesive thermal compression bonding machines 有权
标题翻译：粘合热压机的压力控制机构
公开(公告)号：US08469074B2
公开(公告)日：2013-06-25
申请号：US12468357
申请日：2009-05-19
申请人： Kwangwoo Michael Ko
发明人： Kwangwoo Michael Ko
IPC分类号： B30B15/34
CPC分类号： B32B37/10 , B29C65/4815 , B29C65/4825 , B29C65/4835 , B29C65/5057 , B29C65/7841 , B29C66/0322 , B29C66/0342 , B29C66/54 , B29C66/742 , B29C66/81451 , B29C66/8161 , B29C66/8242 , B29C66/8322 , B29C66/9241 , B29C66/92445 , B29C66/929 , B29K2101/12 , B29K2305/00 , C09J5/06 , Y10T156/10
摘要： Mechanism for controlling pressure during the adhesive thermal compression bonding provides benefits of higher production yield, improved adhesive bonding performance and quality. Springs and pneumatic pistons are utilized to provide improved pressure control during the adhesive thermal compression bonding process. All production parts have certain geometric tolerances and automatically accommodating these tolerances increases production yield by reducing waste of incompletely adhesive bonded parts. The gaps caused by the parts tolerance are closed in a controlled manner using the mechanism and the pressure is controlled for effective adhesive bonding.
摘要翻译：在粘合剂热压粘合期间控制压力的机构提供了更高的生产率，改进的粘合剂粘合性能和质量的优点。弹簧和气动活塞用于在粘合剂热压接过程中提供改进的压力控制。所有生产零件都具有一定的几何公差，并通过减少不完全粘合的部件的浪费来自动调整这些公差来提高产量。由部件公差引起的间隙以受控的方式使用该机构封闭，并且控制压力以进行有效的粘合。

3. 发明授权

US07892375B2 Rotary ultrasonic sealing 有权
标题翻译：旋转超声波密封
公开(公告)号：US07892375B2
公开(公告)日：2011-02-22
申请号：US12516302
申请日：2007-11-26
申请人： Daniel Blanchard , David Wicks , Michel Montoya
发明人： Daniel Blanchard , David Wicks , Michel Montoya
IPC分类号： B32B37/00
CPC分类号： B29C66/345 , B29C65/086 , B29C66/0322 , B29C66/1122 , B29C66/2442 , B29C66/346 , B29C66/43 , B29C66/431 , B29C66/80 , B29C66/81413 , B29C66/81415 , B29C66/81419 , B29C66/81427 , B29C66/81433 , B29C66/83411 , B29C66/83511 , B29C66/91643 , B29C66/92611 , B29C66/929 , B29C66/93441 , B29C66/93451 , B29C66/939 , B29K2105/0854 , B29L2031/14 , Y10T156/1737
摘要： The invention is an apparatus for forming an ultrasonic weld that includes a sonotrode having an ultrasonic actuator coupled to an elongate sealing end face for delivering ultrasonic energy to the webs in the sealing gap and a rotating cylindrical anvil having at least one raised portion extending longitudinally along an outer surface thereof. The raised portion has a radially outer surface, whereby the sealing gap is defined intermittently between the end face of the sonotrode and the radially outer surface of the raised portion of the anvil as the raised portion rotates past the end face of the sonotrode. The elongate sealing end face of the sonotrode has a substantially helical surface, whereby the sealing gap travels helically along the surface as the raised portion of the anvil cylinder rotates past the end face of the sonotrode.
摘要翻译：本发明是一种用于形成超声波焊接的装置，其包括具有耦合到细长密封端面的超声波致动器的超声波发生器，用于将超声波能量输送到密封间隙中的腹板;以及旋转圆柱形砧座，其具有至少一个沿着纵向延伸的凸起部分其外表面。凸起部分具有径向外表面，由此当凸起部分旋转超过超声波发生器的端面时，密封间隙间断地限定在超声波发生器的端面与砧座的凸起部分的径向外表面之间。超声波发生器的细长的密封端面具有基本上螺旋的表面，由此当砧筒的凸起部分旋转超过超声波发生器的端面时，密封间隙沿表面螺旋地行进。

4. 发明申请

US20090145194A1 Apparatus for manufacturing a tubular product 有权
标题翻译：用于制造管状产品的装置
公开(公告)号：US20090145194A1
公开(公告)日：2009-06-11
申请号：US12314254
申请日：2008-12-05
申请人： Patrick Clayton , Patrick M. Hester
发明人： Patrick Clayton , Patrick M. Hester
IPC分类号： B21C1/26
CPC分类号： B29C66/1122 , B29C53/14 , B29C53/48 , B29C53/562 , B29C65/1616 , B29C65/1635 , B29C65/1654 , B29C65/1674 , B29C65/1677 , B29C66/0322 , B29C66/0342 , B29C66/4322 , B29C66/49 , B29C66/65 , B29C66/71 , B29C66/9161 , B29C66/919 , B29C66/934 , B29C66/939 , B29D23/001 , B29K2067/00 , B29K2995/0007 , B29L2009/00
摘要： Apparatus for manufacturing a tubular product comprising a tube forming means, a tube maintaining means, a drawing means and energy application means, in which the tube forming means comprises a formation aperture or series of apertures adapted to form a subject material drawn therethrough into a tubular shape, in which the tube maintaining means comprises a circular aperture or series of apertures adapted to maintain the subject material drawn therethrough in the tubular shape, in which the drawing means is adapted to draw the subject material through the tube forming means and the tube maintaining means, in which the energy application means is adapted to direct an energy to the subject material, or an energy absorbent component disposed thereon, such that the subject material is set in the tubular shape, and in which the tube maintaining means is adapted to maintain the subject material in the tubular shape during absorption of the energy.
摘要翻译：一种用于制造管状产品的装置，包括管形成装置，管保持装置，拉伸装置和能量施加装置，其中管形成装置包括形成孔或一系列孔，其适于将从其中拉出的主体材料形成管状形状，其中管保持装置包括圆形孔或一系列孔，其适于将被拉出的主体材料保持为管状，其中拉伸装置适于通过管形成装置牵引主体材料，并且管保持装置，其中能量施加装置适于将能量引导到主体材料或设置在其上的能量吸收组件，使得主体材料被设置为管状，并且其中管保持装置适于维持在能量吸收期间管状形状的主体材料。

5. 发明申请

US20070242978A1 Rewelded cartridge and method of manufacture 有权
标题翻译：回填筒和制造方法
公开(公告)号：US20070242978A1
公开(公告)日：2007-10-18
申请号：US11405853
申请日：2006-04-18
申请人： Yoel Wazana , Jesus Perez
发明人： Yoel Wazana , Jesus Perez
IPC分类号： B32B37/00
CPC分类号： G03G15/0894 , B29C65/08 , B29C65/4815 , B29C65/5057 , B29C65/7841 , B29C66/0322 , B29C66/232 , B29C66/3024 , B29C66/5412 , B29C66/5414 , B29C66/5416 , B29C66/71 , B29C66/7352 , B29C66/73921 , B29C66/80 , B29C66/81463 , B29C66/8322 , B29C66/843 , B29C66/8432 , B29C66/9161 , B29K2025/00 , B29K2055/02 , B29K2105/26 , G03G2215/00987 , B29C65/00 , B29K2025/08 , B29K2025/06
摘要： A reassembled laser toner cartridge and method of manufacture in which the hopper section and roller section of a previously depleted toner cartridge are rewelded together by ultrasonic welding along the length sections after an ancillary energy director strip has been positioned between the sections where the roller section interfaces with the hopper section to provide a laser toner cartridge that has the same or nearly the same specifications as the original equipment manufactured cartridges.
摘要翻译：一种重新组装的激光调色剂盒和制造方法，其中先前耗尽的调色剂盒的料斗部分和辊部分在辅助能量指示条已经被定位在辊部分接合的部分之间之后沿着长度部分被重新焊接在一起具有料斗部分以提供与原始设备制造的盒相同或几乎相同的规格的激光调色剂盒。

6. 发明申请

US20030219602A1 Ultrasonic joining of thermoplastic parts 审中-公开
标题翻译：超声波接合热塑性部件
公开(公告)号：US20030219602A1
公开(公告)日：2003-11-27
申请号：US10109197
申请日：2002-03-28
发明人： Val A. Kagan
IPC分类号： B32B009/04 , B32B031/16
CPC分类号： B29C66/45 , B29C65/08 , B29C65/3412 , B29C65/342 , B29C65/3428 , B29C65/3464 , B29C65/3476 , B29C65/72 , B29C65/8207 , B29C66/0322 , B29C66/1122 , B29C66/3024 , B29C66/452 , B29C66/71 , B29C66/7212 , B29C66/73772 , B29C66/73774 , B29C66/7392 , B29C66/73921 , B29C66/742 , B29C66/81433 , B29C66/81435 , B29C66/8242 , B29C66/8322 , B29C66/9221 , B29C66/9231 , B29C66/9241 , B29C66/929 , B29C66/9513 , B29K2077/00 , B29K2101/12 , B29K2105/06 , B29K2105/16 , B29K2309/08 , B29K2995/0039 , B29K2995/004 , Y10T428/31504
摘要： A first workpiece having a first mating surface and a second workpiece having a second mating surface are joined by an ultrasonic welding method to form a joined article. Each of the workpieces is composed of a thermoplastic material. Joining is accomplished by a method comprising the steps of: (i) placing an auxiliary energy director in contact with the first mating surface; (ii) bringing the second mating surface into close proximity with the first mating surface and into contact with the auxiliary energy director; (iii) imposing a compressive force urging the first and second mating surfaces into contact; (iv) activating a source that applies ultrasonic vibration to one of the workpieces for a time sufficient to cause melting of at least a portion of each of the first and second workpieces; (v) discontinuing the application of ultrasonic vibration; and (vi) cooling the workpieces to allow the melted portions to solidify, thereby forming the joined article. The compressive force is maintained at least through the activating, discontinuing, and cooling steps. Articles of manufacture are economically and efficiently produced by the ultrasonic welding method without the presence of an energy director integrally formed in either of the workpieces. Molding of workpieces and final assembly operations are simplified. The welds have high uniformity and strength.
摘要翻译：具有第一配合表面的第一工件和具有第二配合表面的第二工件通过超声波焊接方法接合以形成连接件。每个工件由热塑性材料组成。通过包括以下步骤的方法实现连接：（i）将辅助能量导向器与第一配合表面接触; （ii）使第二配合表面与第一配合表面紧密接触并与辅助能量引导器接触; （iii）施加推动第一和第二配合表面接触的压缩力; （iv）激活对工件之一施加超声波振动的源足以使第一和第二工件中的每一个的至少一部分熔化的时间; （v）停止超声波振动的应用; 和（vi）冷却工件以允许熔融部分固化，从而形成连接的制品。至少通过激活，停止和冷却步骤来保持压缩力。通过超声波焊接方法经济有效地制造制品，而不存在一体地形成在任一工件中的能量指向器。工件的成型和最终组装操作简化。焊缝具有高均匀性和强度。

7. 发明授权

US06374572B1 Filling/packing machine 有权
标题翻译：灌装/包装机
公开(公告)号：US06374572B1
公开(公告)日：2002-04-23
申请号：US09530109
申请日：2000-04-25
申请人： Katsumi Honma , Yasuhito Miyazawa
发明人： Katsumi Honma , Yasuhito Miyazawa
IPC分类号： B65B5702
CPC分类号： B29C66/3452 , B29C65/02 , B29C66/0322 , B29C66/1122 , B29C66/4312 , B29C66/4322 , B29C66/83413 , B29C66/83513 , B29C66/849 , B29C66/944 , B29C2793/009 , B65B9/207 , B65B51/306
摘要： A filling and packaging machine adapted to vertically seal a film which is continuously fed, by a vertical sealing unit and thereby form the film into a bottomed cylindrical body, laterally seal the cylindrical film by a lateral sealing unit and thereby form a bottom portion of a packaging bag to be obtained, pack an object material into the bottomed cylindrical film from a filling nozzle disposed in the film, and laterally seal while feeding the film the portion of the film which is to form a mouth of the packaging bag by the lateral sealing unit, whereby the material is packaged continuously, the machine including a material supply unit joined to the filling nozzle and adapted to supply the object material, a detector adapted to detect the lateral sealing time of the lateral sealing unit, and a control unit for having the material supplied intermittently by starting a material supplying operation of the material supply unit when a predetermined period of time has elapsed after a lateral sealing signal is outputted from the lateral sealing time detector, continuing the supplying of the material for a predetermined period of time and then stopping supplying the material. The material supplied intermittently is packaged continuously without being held between the laterally sealed portions of the packaging bag.
摘要翻译：一种适于垂直密封由垂直密封单元连续供给的薄膜并由此将薄膜形成有底的圆柱体的填充和包装机，通过横向密封单元横向密封圆筒形薄膜，从而形成底部要从中获得的包装袋，从设置在薄膜中的填充喷嘴将目标材料包装到有底圆筒形薄膜中，并且横向密封，同时通过横向密封将薄膜的形成包装袋口部分的部分单元，其中所述材料被连续包装，所述机器包括连接到所述填充喷嘴并适于供应所述物体材料的材料供应单元，适于检测所述侧向密封单元的横向密封时间的检测器，以及用于具有通过在经过延迟的预定时间段之后通过启动材料供应单元的材料供给操作来间歇地供给材料从侧向密封时间检测器输出ral密封信号，继续供给材料一段时间，然后停止供给材料。间歇地供给的材料被连续地包装，而不被夹持在包装袋的侧向密封部分之间。

8. 发明授权

US5735991A Method for sealing and cutting pads and moving the sealed and cut pads to a take off position by a moving support 失效
标题翻译：用于密封和切割垫的方法，并且通过移动的支撑件将密封和切割垫移动到脱开位置
公开(公告)号：US5735991A
公开(公告)日：1998-04-07
申请号：US546369
申请日：1995-10-20
申请人： Bruce Strongwater
发明人： Bruce Strongwater
IPC分类号： B29C65/00 , B29C65/04 , B29C65/74 , B29C65/78 , B32B31/00
CPC分类号： B29C65/7461 , B29C65/04 , B29C65/749 , B29C65/7841 , B29C65/7891 , B29C66/0322 , B29C66/1122 , B29C66/24244 , B29C66/43 , B29C66/8161 , B29C66/8322 , B29C66/92655 , B29C66/436 , B29C66/45 , B29C66/472 , B29C66/84121 , Y10T156/108 , Y10T156/1082
摘要： Method for producing pads in which a laminated pad sheet is fed from a supply roll through a combined sealer/cutter. The laminated pad sheet is indexed into the sealer/cutter with a support sheet of a predetermined thickness. The sealer/cutter moves a perimeter pattern defining a sealing electrode into engagement with the laminated pad. Electrical energy is applied across the sealing electrode and a conductive, grounded plate forming a pad per/meter seal. A support plate upon which the perimeter forming electrode is mounted is moved further toward the pad when the power is turned off, causing a cutting edge surrounding the sealing electrode to pierce completely through the laminate pad and only partially through the support sheet. The pad sheet and support sheet are indexed to feed the next portion of the pad sheet into the sealer/cutter, simultaneously advancing the sealed and cut pad and support sheet to a take-off position where the severed pad, supported by the support sheet, is safely removed from the pad sheet and support sheet. The support sheet is wound about a take-up spool for reuse. When sealing and severing of pads form one pad sheet is completed, the support sheet is rewound upon the supply spool and is shifted slightly in a lateral direction to displace previously made cuts in the support sheet from the cutting blade preparatory to a new sealing/cutting operation.
摘要翻译：一种用于生产垫片的方法，其中层压垫片从供给辊通过组合的密封器/切割器进给。层压垫片用预定厚度的支撑片分成密封器/切割机。密封器/切割器将限定密封电极的周边图案移动到与层压垫接合。电能施加在密封电极和导电的接地板上，形成垫/每个密封件。当电源关闭时，安装有周边形成电极的支撑板进一步朝着衬垫移动，使得围绕密封电极的切割边缘完全穿透层压板，并且仅部分地穿过支撑片。垫片和支撑片被分度以将垫片的下一部分进给到密封器/切割器中，同时将密封和切割的垫和支撑片推进到取出位置，在该取出位置，由支撑片支撑的切割的垫，安全地从垫片和支撑片上移除。支撑片绕卷绕卷轴缠绕以便重新使用。当密封和切割形成一个垫片的垫片完成时，支撑片材被重新卷绕在供应卷轴上并且在横向方向上稍微偏移以将预先制成的支撑片材的切口从预备的切割刀片切换到新的密封/切割操作。

9. 发明授权

US4823783A Adhesive-free bonding of continuously moving webs to form laminate web and products cut therefrom 失效
标题翻译：连续移动的网的粘合剂粘合以形成从其切割的层压纤维网和产品
公开(公告)号：US4823783A
公开(公告)日：1989-04-25
申请号：US156394
申请日：1988-02-16
申请人： William Willhite, Jr. , Gerald M. Weber , Godfrey Retier
发明人： William Willhite, Jr. , Gerald M. Weber , Godfrey Retier
IPC分类号： A61F13/15 , B29C65/00 , B29C65/08 , B29C65/18 , B29L9/00 , A61L15/00
CPC分类号： B32B37/00 , A61F13/15699 , B29C65/086 , B29C65/18 , B29C65/30 , B29C65/72 , B29C66/00441 , B29C66/0322 , B29C66/1122 , B29C66/242 , B29C66/433 , B29C66/7392 , B29C66/81265 , B29C66/81433 , B29C66/83411 , B29C66/83415 , B29C66/83417 , B29C66/91421 , B29C66/91431 , B29C66/91651 , B29C66/919 , B29C66/91951 , B29C66/71 , B29C66/7294 , B29C66/73921 , B29C66/81821 , B29C66/83421 , B29C66/91645 , B29C66/92651 , B29K2105/0854 , B29L2009/00 , B29L2031/4878 , B32B2310/028 , Y10S428/913 , Y10T428/14 , Y10T428/24322 , Y10T428/24777 , Y10T428/24826 , Y10T428/28 , Y10T428/2848
摘要： Method and apparatus for ultrasonically bonding continuously moving webs to one another using a stationary vibrating horn and a relatively slick, non-thermally softenable moving slip layer interposed between the webs to be bonded and the horn to prevent web damage. Interposing the slip layer between the webs to be bonded and the ultrasonic horn improves both the quality and efficiency of web bonding. It reduces friction between the travelling webs and the substantially stationary ultrasonic horn not only due to its relatively slick surface, but also due to the compressive force which the slip layer exerts upon the webs to be bonded. This in turn minimizes jamming and hangups in the very limited clearance existing between the rotating anvil roll and the substantially stationary vibrating ultrasonic horn. In addition, the slip layer maximizes retention of heat either generated in the laminate web by the ultrasonic horn or transferred to the laminate web structure by preheating one or more of the webs. If desired, the slip layer may be comprised of a continuous belt which rotates about the ultrasonic horn. In addition, a secondary slip layer may be provided intermediate the webs to be bonded and the rotating anvil roll to minimize heat transfer from the webs to the anvil roll and to prevent sticking of the webs to the anvil roll. In a particularly preferred embodiment the peripheral edges of the raised anvil bosses are relieved slightly to minimize web tearing and to enhance bond strength. In still another preferred embodiment the anvil roll is heated to a temperature approximating the maximum temperature achieved by the webs being bonded to minimize heat transfer from the webs to the anvil roll during the bonding operation. Novel laminate products bonded on-the-fly without the use of an ancillary adhesive may also be produced.
摘要翻译：使用静止的振动喇叭和插入在要接合的纤维网和喇叭之间的相对光滑，不可热软化的移动滑动层将连续移动的网状物超声波连接到彼此的方法和装置，以防止网损坏。将待粘接的纤维网和超声波喇叭之间的滑动层插入，可以提高纤维网粘合的质量和效率。它不仅由于其相对光滑的表面而且还由于滑动层施加在待粘合的幅材上的压缩力而减小了行进幅材和基本上静止的超声波喇叭之间的摩擦。这进一步减小了在旋转砧辊和基本上静止的振动超声波喇叭之间存在的非常有限的间隙中的干扰和挂断。此外，滑动层使得由超声波喇叭产生的层叠纤维网中的热量的保留最大化，或通过预热一个或多个纤维网将其转移到层压纤维网结构。如果需要，滑动层可以由围绕超声波喇叭旋转的连续带组成。此外，可以在待粘合的纤维网和旋转砧辊之间设置二次防滑层以最小化从腹板到砧座辊的热传递，并防止腹板粘附到砧辊上。在一个特别优选的实施例中，凸起的砧座凸起的周边边缘略微松开，以最大限度地减小网状物撕裂并增加粘合强度。在另一个优选实施例中，将砧辊加热到接近通过接合腹板实现的最大温度的温度，以最小化在接合操作期间从腹板到砧辊的热传递。还可以生产不使用辅助粘合剂而在飞行中粘合的新型层压制品。

10. 发明授权

US3133846A Method of making a thermoplastic joint 失效
标题翻译：制造热塑性接头的方法
公开(公告)号：US3133846A
公开(公告)日：1964-05-19
申请号：US19719162
申请日：1962-05-21
申请人： TELEPHONE CABLES LTD
发明人： WILLIAM GANDY ROBERT
IPC分类号： B29C65/00 , B29C65/18 , B29C65/20
CPC分类号： B29C65/20 , B29C65/18 , B29C65/224 , B29C65/228 , B29C66/0242 , B29C66/0322 , B29C66/1122 , B29C66/341 , B29C66/526 , B29C66/5324 , B29C66/5344 , B29C66/71 , B29C66/73921 , B29C66/81455 , B29C66/81461 , B29C66/81471 , B29C66/81871 , B29C66/82421 , B29K2023/06
摘要： 942,592. Seaming non-metallic sheet material. TELEPHONE CABLES Ltd. May 11, 1962 [May 24, 1961], No. 18784/61. Heading B5K. [Also in Division H2] A joint is formed between facing surfaces of two thermoplastic members 1, 3 by interposing an electrical heater 5 of coherent open-work form between the two surfaces, fusing the material at the interface between the surfaces by the heater 5 and then withdrawing the heater with a motion which is agitated during at least an early part of the withdrawal. To join two lengths of polythene-sheathed cable, the sheath is cut back to expose the conductors 2 which are joined and a polythene sleeve 4 previously applied over the cable is slipped over the joint. A polythene collar 3 may be provided for each end of the sleeve 4. To join the collar 3 to the sheath 1 the heater 5 is interposed therebetween and a tape 6 is applied under tension to the outside of the collar. The heater 5, Fig. 2, comprises a stainless steel mesh strip cut on the bias and has an unstretched diameter slightly less than that of the sheath 1. A carrier 9 carries the heater 5 by strips or pins 8 and connecting leads 7 secured thereto. The tape 6 may comprise a length of silicon elastomer or neoprene tape having a bias cut stainless steel heater 10 secured thereto and being of such a length that its ends overlap. The inner end of the tape 6 is preferably tapered. The collar 3 is first softened at a temperature between 60 ‹ and 85‹ C. by the heater 10 and the heater 5 heats the material at the interface to a temperature between 150‹ and 180‹ C. to form the joint. The heater 5 is withdrawn by combining both axial and to-and-fro angular movement along the cable axis, the tape 6 still applying pressure. The heater 5 is cut from the cable and the carrier 9 and the tape 6 are removed. Similarly, the sleeve 4 is joined to the collar 3 at A. The heater 10 may be dispensed with and preliminary softening may be obtained by initially running the heater 5 at a low current. In a modification, Fig. 5, the tape 6 is wound without tension and a closed, rectangular crosssection pneumatic tube 12 is applied around the tape 6 and is constrained against movement by U-section members 13 articulated together. Pneumatic pressure is admitted through a port 14 and the tube ends overlap at 12 1 .

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