Lensed optic fiber terminus and method
    1.
    发明授权
    Lensed optic fiber terminus and method 失效
    光纤终端和方法

    公开(公告)号:US4854663A

    公开(公告)日:1989-08-08

    申请号:US142650

    申请日:1988-01-11

    IPC分类号: G02B6/255 G02B6/26 G02B6/32

    CPC分类号: G02B6/262 G02B6/2552 G02B6/32

    摘要: An optic fiber connection apparatus and method are provided which enables positioning of a lens or bead at the end of an optic fiber at a selected distance from the end of the contact or terminus while maintaining a closely controlled lateral position of the bead. The contact has a hole extending along its axis, with a cylindrical front portion of a diameter to closely surround the lens at the end of the optic fiber. In addition or alternatively, the hole that receives the fiber may have a diameter to closely surround the fiber, and a shoulder intermediate the contact front and rear end. The optic fiber can be slid within the contact to extend its end beyond the contact so a lens can be formed on the tip of the fiber. Thereafter the fiber is slid backward into the contact. The lens is slid backward or foward against a positioning tool to a final lens position forward of the shoulder.

    摘要翻译: 提供了一种光纤连接装置和方法,其能够将光纤端部处的距离接触端或末端的选定距离处的透镜或珠的位置定位,同时保持珠的紧密控制的横向位置。 接触件具有沿其轴线延伸的孔,其直径的圆柱形前部部分在光纤端部处紧密地围绕透镜。 另外或者可替代地,接收纤维的孔可以具有紧密围绕纤维的直径,以及在接触前端和后端之间的肩部。 光纤可以在触点内滑动以将其端部延伸超过触点,使得透镜可以形成在光纤的尖端上。 此后,纤维向后滑入触点。 镜头向后滑动或抵靠定位工具滑向肩部前方的最终镜头位置。

    Optic fiber contact
    2.
    发明授权
    Optic fiber contact 失效
    光纤接触

    公开(公告)号:US4798431A

    公开(公告)日:1989-01-17

    申请号:US129797

    申请日:1987-12-07

    CPC分类号: G02B6/2552 G02B6/262 G02B6/32

    摘要: An optic fiber connection system is provided which enables the forming of a lens or bead at the end of an optic fiber by an electric arc established between a pair of electrodes, which avoids degradation of the electrodes with use. The contact has a forward portion with a hole along its axis for receiving the optic fiber, and a cross aperture extending perpendicular to the hole to receive the end of the optic fiber. The forward portion of the contact is formed of a ceramic or other high melting temperature dielectric, to allow the electrodes to be widely spaced to avoid their degradation, without shorting out the electric arc.

    摘要翻译: 提供了一种光纤连接系统,其能够通过在一对电极之间建立的电弧在光纤端部形成透镜或珠粒,这避免了电极在使用中的劣化。 接触件具有沿其轴线的孔的前部,用于接收光纤,以及垂直于孔延伸以接收光纤端部的十字孔。 接触件的前部由陶瓷或其它高熔点的电介质形成,以允许电极间隔很宽以避免其退化,而不会使电弧短路。

    Seal between buffer tube and optical fiber
    3.
    发明授权
    Seal between buffer tube and optical fiber 失效
    缓冲管与光纤之间的密封

    公开(公告)号:US5469521A

    公开(公告)日:1995-11-21

    申请号:US247814

    申请日:1994-05-23

    IPC分类号: G02B6/38 G02B6/36

    CPC分类号: G02B6/3861

    摘要: A method is described for sealing the buffer tube of an optical cable to the optical fiber to ready the cable for mounting in a terminus, which is relatively simple, avoids damage to the cable, and keeps the optical fiber centered on the buffer tube. The method includes placing a shrink tube (80, FIG. 2) around an end portion (72) of the buffer tube (16), and heating them to melt the end portion of the buffer tube and to shrink the shrink tube so it compresses the molten buffer tube against the outside of the optical fiber. The end portion (72A, FIG. 3) of the buffer tube which has been flowed closely around the optical fiber (14), seals the end of the buffer tube against the entrance of epoxy during termination to a terminus, prevents sliding of the optical fiber with respect to the buffer tube, and maintains the optical fiber centered on the end portion of the buffer tube.

    摘要翻译: 描述了一种用于将光缆的缓冲管密封到光纤上以便将电缆安装在终端中的方法,其相对简单,避免损坏电缆,并将光纤保持在缓冲管的中心。 该方法包括将收缩管(图2中的80)放置在缓冲管(16)的端部(72)周围,并加热它们以熔化缓冲管的端部并收缩收缩管,从而压缩 熔融缓冲管抵靠光纤外侧。 缓冲管的端部(72A,图3)已经紧密地流过光纤(14),在终止期间将缓冲管的端部封闭环氧树脂的入口终止,防止光学 纤维相对于缓冲管,并且保持以缓冲管的端部为中心的光纤。

    Optic cable termination
    4.
    发明授权
    Optic cable termination 失效
    光缆终端

    公开(公告)号:US5048915A

    公开(公告)日:1991-09-17

    申请号:US451068

    申请日:1989-12-15

    IPC分类号: G02B6/38

    CPC分类号: G02B6/3861 G02B6/3889

    摘要: A relatively simple method is provided for terminating an optic cable to a terminus body, so the optical fiber, buffer, and outer jacket of the cable are all held securely to a terminus body with the end of the optical fiber closely held in position. The method includes forming the terminus body (14, FIG. 2) with a bore extending through its length, the bore including a front bore portion (30) that closely receives the optical fiber, a second bore portion (40) that closely surrounds the buffer, and a third bore portion (42) that closely surrounds a front outer jacket region (18). Adhesive (34) is placed in the second bore portion to fill most of it. The optic cable is positioned with the optical fiber (22) extending through the front bore portion and with the buffer (20) lying against the rear of the quantity of adhesive. With the adhesive in a flowable state, the optic cable is pressed forward (F) while the terminus body is held against movement, so the buffer presses like a piston into the second bore portion to force adhesive through the front bore portion around the fiber, and also to displace adhesive so it flows rearwardly around the buffer and around the front jacket region, to thereby allow a single quantity of adhesive to hold all three parts of the optic cable in place.

    摘要翻译: 提供了一种相对简单的方法来将光缆端接到终端机身,因此电缆的光纤,缓冲器和外护套都牢固地固定到终端机身,光纤的端部紧密地保持就位。 该方法包括用延伸穿过其长度的孔形成终端体(14,图2),所述孔包括紧密接收光纤的前孔部分(30),密封地围绕 缓冲器和紧密围绕前外护套区域(18)的第三孔部分(42)。 粘合剂(34)放置在第二孔部分中以填充其大部分。 光缆被定位成使光纤(22)延伸穿过前孔部分并且缓冲器(20)位于粘合剂量的后面。 当粘合剂处于可流动状态时,光缆被向前按压(F),同时终端主体被保持抵抗运动,因此缓冲器像活塞一样按压到第二孔部分中以迫使粘合剂穿过纤维周围的前孔部分, 并且还使粘合剂移位以使其围绕缓冲器向后流动并围绕前护套区域流动,从而允许单个量的粘合剂将光缆的所有三个部分保持在适当位置。

    Fiber optic connector apparatus
    5.
    发明授权
    Fiber optic connector apparatus 失效
    光纤连接器装置

    公开(公告)号:US5608828A

    公开(公告)日:1997-03-04

    申请号:US527267

    申请日:1995-09-12

    IPC分类号: G02B6/38

    摘要: A fiber optic connector is described which has an alignment sleeve (70, FIG. 3) for surrounding fiber-holding ferrules (44, 68), wherein the sleeve can deflect to receive a slightly misaligned mating ferrule and wherein the assembly can be readily removed for cleaning. The sleeve is expandable in diameter and is contained in a hood (80) that surrounds the sleeve and that forms front and rear shoulders (82, 84). The hood loosely surrounds the sleeve and the hood is loosely contained in a connector housing passage (34), to facilitate reception of a slightly misaligned mating ferrule. A hood alignment sleeve assembly includes a front body (50) and a rear retention sleeve, or body, with a spring (56) spanning them, the front body being attached to the hood, and the hood shifting forward and rearward with the sleeve. The hood includes a front hood piece (152) forming the front sleeve-abutting shoulder and a rear hood piece (154) forming the rear shoulder. The rear hood piece is threadably connected (at 156) to the front body, and the front hood piece is slidably mated to the rear hood piece. The alignment assembly can be removed from the connector passage, the rear hood piece unthreaded from the front body, and the front hood piece slid forwardly out of contact with the rear hood piece, to gain access to the sleeve for cleaning.

    摘要翻译: 描述了一种光纤连接器,其具有用于围绕光纤保持套圈(44,68)的对准套筒(70,图3),其中套筒可以偏转以接收稍微不对准的配合套圈,并且其中组件可以容易地移除 用于清洁。 套筒可以直径扩展并且容纳在围绕套筒并形成前后肩部(82,84)的罩(80)中。 发动机罩松开地围绕套筒,并且发动机罩松动地容纳在连接器壳体通道(34)中,以便于接收稍微不对准的配合套圈。 发动机罩对准套筒组件包括前主体(50)和后保持套筒(或主体),弹簧(56)跨过它们,前主体附接到发动机罩上,并且发动机罩与套筒向前和向后移动。 罩包括形成前套筒抵靠肩部的前罩部件(152)和形成后肩部的后罩部件(154)。 后罩部件与前体螺纹连接(在156处),前罩部件与后罩部件滑动配合。 对准组件可以从连接器通道移除,后机罩从前机身不会弯曲,并且前机罩件向前滑动脱离与后机罩的接触,以便进入套筒进行清洁。

    Optic fiber positioning for lensing method
    6.
    发明授权
    Optic fiber positioning for lensing method 失效
    用于透镜法的光纤定位

    公开(公告)号:US4755203A

    公开(公告)日:1988-07-05

    申请号:US2884

    申请日:1987-01-13

    申请人: Bruce Coutts

    发明人: Bruce Coutts

    CPC分类号: G02B6/32 G02B6/2552 G02B6/262

    摘要: A system is described for forming a lens at the end of an optical fiber which extends through a hole in a contact, so the tip of the lens lies at a desired lens position located a predetermined distance rearward of the tip of the contact. The fiber is fixed to the contact at a position wherein the tip of the fiber lies forward of the desired lens position, at about the tip of the contact. The contact is positioned vertically, with the tip of the fiber pointing upwardly, and an arc is passed across the end portion of the fiber, to initially heat and bulge out a location on the fiber spaced rearward of the tip. As the fiber is heated, the tip portion falls into the bulging portion, while the bulging portion moves down, with the heating continued long enough so that the tip of the molten ball of glass lies at the desired lens position.

    Optical fiber connector biasing arrangement
    7.
    发明授权
    Optical fiber connector biasing arrangement 失效
    光纤连接器偏压装置

    公开(公告)号:US5533157A

    公开(公告)日:1996-07-02

    申请号:US952549

    申请日:1992-12-10

    申请人: Bruce Coutts

    发明人: Bruce Coutts

    IPC分类号: G02B6/38 G02B6/36

    CPC分类号: G02B6/3821 G02B6/3878

    摘要: An optical fiber connector is described for holding the front ends of optical fibers and biasing them forwardly against the ends of mating optical fibers, which has an improved biasing arrangement. The front end of each optical fiber is held by a terminus arrangement that includes a terminus body (40, FIG. 3) that is mounted on a yoke (62) but which can shift forward and backward with respect to the yoke. The terminus body is biased forwardly (F) by a sheet metal leaf (92) with a forwardly-bowed middle (98) that abuts a forward shoulder (100) on the terminus body, and with opposite end parts (94, 96) that bear against a front surface (102) of the yoke. The bodies are installed by sliding them into slots 111-113 (FIG. 2) of the yoke.

    摘要翻译: PCT No.PCT / US92 / 09403 Sec。 371日期:1992年12月10日 102(e)日期1992年12月10日PCT 1992年11月2日PCT PCT。 出版物WO94 / 10593 日期为1994年5月11日。描述了一种光纤连接器,用于保持光纤的前端并将其向前偏压在配合光纤的端部上,其具有改进的偏置布置。 每个光纤的前端由终端装置保持,该终端装置包括安装在轭架(62)上但可相对于轭架前后移动的终端主体(40,图3)。 末端体由金属片(92)向前偏压(F),前缘弓形顶端(98)与前端肩部(100)邻接在终端主体上,并且相对端部(94,96) 抵靠轭架的前表面(102)。 主体通过将它们滑入轭的槽111-113(图2)中而被安装。

    Electrode arrangement for lensing method
    8.
    发明授权
    Electrode arrangement for lensing method 失效
    用于透镜法的电极布置

    公开(公告)号:US4804395A

    公开(公告)日:1989-02-14

    申请号:US2883

    申请日:1987-01-13

    CPC分类号: G02B6/2552 G02B6/262 G02B6/32

    摘要: A system is provided for positioning a pair of electrodes on either side of the end portion of an optical fiber extending through a contact, to establish an arc through a cross-aperture in the contact and across the fiber to melt the fiber into a lens, which assures close control of the arc and which prolongs the life of the electrodes. The tips of the electrodes are positioned to lie slightly within opposite ends of the cross-aperture, to avoid establishing an arc between the electrodes which passes around the contact instead of through the cross-aperture. The electrodes are spaced apart by at least about eight times the diameter of the optic fiber, to avoid deposition of vapors from the heated optic fiber onto the electrodes. The cross-aperture extends to the tip of the contact, so the contact can be moved along its axis to a position where the electrodes lie on opposite sides of the fiber end portion.

    摘要翻译: 提供了一种系统,用于将一对电极定位在延伸穿过接触件的光纤的端部的任一侧上,以通过接触中的交叉孔径并穿过纤维形成电弧,以将光纤熔化成透镜, 这确保电弧的紧密控制并延长电极的寿命。 电极的尖端定位成稍微位于交叉孔的相对端内,以避免在通过接触而不是穿过交叉孔的电极之间形成电弧。 电极间距至少约为光纤直径的八倍,以避免蒸汽从加热的光纤沉积到电极上。 交叉孔径延伸到接触件的尖端,因此接触件可以沿其轴线移动到电极位于纤维端部的相对侧上的位置。