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1. 发明授权

US5366263A Releasable fastener for pipe couplings 失效
标题翻译：用于管接头的可拆卸紧固件
公开(公告)号：US5366263A
公开(公告)日：1994-11-22
申请号：US142169
申请日：1993-10-22
申请人： Thomas R. Hendrickson
发明人： Thomas R. Hendrickson
IPC分类号： F16L23/036 , F16L23/08
CPC分类号： F16L23/06 , F16L17/04 , Y10T24/1418 , Y10T24/1424
摘要： A manually releasable, toggle-type fastener is provided for use, in place of the conventional bolt and nut fastener, used to secure together the adjacent bolt lugs formed on the ends of curved segments which form a circular pipe coupling. The fastener includes a pin of a shape and size to fit into the aligned bolt holes of the lugs, in place of a conventional bolt, and a lever pivotally connected to one end of the pin for swinging into a locked position adjacent its segment and into an unlocked position away from its segment. The lever has a hook-like formation on its end to which a wire-like loop is secured. The loop extends around the sides of the pin and the sides of the bolt lugs to be fastened together and has an opposite end engaging both the pin and the adjacent surface of the segment for securing the lugs together and for being restrained from release by the pin itself. The fastener may be made in different sizes to fit different size bolt lugs on different size couplings and the loop may be exchanged with different size loops for utilizing the same fastener, but with different size loops for different size coupling lugs.
摘要翻译：提供了一种可手动释放的肘节式紧固件，以代替常规的螺栓和螺母紧固件，用于将形成在形成圆形管接头的弯曲段的端部上的相邻螺栓接头固定在一起。紧固件包括形状和尺寸的销，以代替传统的螺栓而配合到凸耳的对准的螺栓孔中，以及可枢转地连接到销的一端的杆，用于摆动到邻近其段的锁定位置并进入远离其部分的解锁位置。杠杆在其端部具有钩形结构，其上固定有线状环。环绕销的侧面延伸并且螺栓凸耳的侧面被紧固在一起，并且具有接合销的两个销和相邻表面的相对端，用于将凸耳固定在一起并且被销钉限制本身。紧固件可以制成不同的尺寸以适应不同尺寸的联接器上的不同尺寸的螺栓凸耳，并且可以用不同尺寸的环路更换环以利用相同的紧固件，但是对于不同尺寸的联接凸耳具有不同尺寸的环。

2. 发明授权

US5282654A Pipe coupling sleeve 失效
标题翻译：管接头套管
公开(公告)号：US5282654A
公开(公告)日：1994-02-01
申请号：US51853
申请日：1993-04-26
申请人： Thomas R. Hendrickson
发明人： Thomas R. Hendrickson
IPC分类号： F16L17/04 , F16L47/14
CPC分类号： F16L47/14 , F16L17/04
摘要： A narrow, thin, metal strip is arranged around the periphery of the end portion of at least one of two pipes arranged in axial alignment for forming a coupled joint. The adjacent pipe end portions are provided with circumferential grooves. A coupling surrounds the end portions of the pipes and has radially inwardly extending keys for fitting into the grooves in the pipes. The strip has a groove formation for fitting into and lining the groove formed in the end of the pipe upon which it is arranged. The localized pressure of the key fitted into the strip groove is dispersed through the strip into the adjacent pipe areas which the strip overlies to protect the pipe groove walls and base and the pipe-end portions from being damaged by engagement with the coupling key. The strip permits coupling a pair of relatively easily damaged plastic pipes or coupling a plastic pipe and a stronger metal pipe by resisting damage to plastic pipes caused by coupling key pressure.
摘要翻译：在轴向配置的两个管中的至少一个的端部的周边周围布置有细的薄的金属条，用于形成联接接头。相邻的管端部设置有周向槽。联接件围绕管的端部并且具有径向向内延伸的键，用于装配到管中的凹槽中。带材具有凹槽形状，用于装配到衬套中并形成在其配置的管的端部中。安装在条槽中的钥匙的局部压力通过条带分散到相邻的管道区域中，该条带覆盖以保护管槽壁和底座，并且管端部分不会因与联接键的接合而损坏。该条允许将一对相对容易损坏的塑料管连接起来，或者通过连接关键压力而对塑料管造成损坏，从而连接塑料管和更强的金属管。

3. 发明授权

US5249829A Pipe coupling gasket insert 失效
标题翻译：管接头垫片插入
公开(公告)号：US5249829A
公开(公告)日：1993-10-05
申请号：US908339
申请日：1992-07-06
申请人： Thomas R. Hendrickson
发明人： Thomas R. Hendrickson
IPC分类号： F16L21/06 , F16L17/035
CPC分类号： F16L17/04 , F16L21/06 , Y10S285/91
摘要： A pipe coupling gasket insert is provided for optional use within a conventional C-shaped in cross-section, resilient gasket which is fitted within a conventional rigid C-shaped in cross-section coupling formed for encircling and coupling together the end portions of a pair of co-axially arranged, adjacent pipe end portions. The gasket has band-like lips formed on its inner portions for encircling and engaging the surfaces of the respective pipe end portions with the lips having free edges that are spaced apart. The pipe ends are slightly gaped apart. The insert, form of a resilient ring, is manually positioned within the gasket, for engaging the base of the C-shaped gasket, and has a radially inwardly extending rim that extends between the free edges of the gasket lips for engaging the end portions of the adjacent pipes and spanning the gap therebetween. The insert rim portion may be shaped to extend into gap or over the gap for sealing the gap between the adjacent pipe ends.
摘要翻译：管接头垫片插入件可用于常规的C形横截面弹性垫圈中，可选用于安装在常规的刚性C形横截面联接件中，形成为用于环绕和连接在一起的端部的相邻的管端部。垫圈具有形成在其内部上的带状唇部，用于环绕并接合相应管端部分的表面，唇缘具有间隔开的自由边缘。管端稍微有间隙。弹性环的插入件的形式被手动地定位在垫圈内，用于接合C形垫圈的底部，并且具有径向向内延伸的边缘，该边缘在垫片唇缘的自由边缘之间延伸以接合相邻的管道并跨越它们之间的间隙。插入边缘部分可以成形为延伸到间隙中或在间隙上方，以密封相邻管端之间的间隙。

4. 发明授权

US5044674A Angularly adjustable pipe connector 失效
标题翻译：角度可调管接头
公开(公告)号：US5044674A
公开(公告)日：1991-09-03
申请号：US563315
申请日：1990-08-03
申请人： Thomas R. Hendrickson
发明人： Thomas R. Hendrickson
IPC分类号： F16L27/08
CPC分类号： F16L27/0845
摘要： A pipe connector for connecting a pair of conventional, circular cross-section pipes whose axes are generally coplanar but are angled relative to each other, is formed of a pair of identical, but reversely arranged, tubular sections, each having an outer end for coupling to an adjacent pipe end and an inner end coupled to the adjacent section inner end. The coupling comprises conventional, releasable, circular pipe couplings which surround and clamp adjacent pipe ends together. The connector sections are bent and flattened in cross-section so that their inner ends are engaged in the plane of the pipe axes while their outer end openings are transverse to the pipe axes and overlap and open into the ends of the pipes. The portions of the connector sections between their opposite ends are of cross-sectional areas that are roughly the same as the cross-sectional areas of their end openings. Because the connector sections are flattened towards the plane of the pipe axes, the overall, outermost distance of the connector from the pipe axes is only slightly greater than the radius of the pipes themselves.
摘要翻译：用于连接一对常规的圆形横截面管道的管道连接器，其轴线大致共面但彼此成角度，由一对相同但相反布置的管状部分形成，每个管状部分具有用于联接的外端到相邻的管端和连接到相邻部分内端的内端。联接器包括常规的，可释放的圆形管接头，其围绕并将相邻管端夹在一起。连接器部分的横截面弯曲和平坦化，使得它们的内端接合在管轴的平面中，而其外端开口横向于管轴线并且重叠并且开口到管的端部。连接器部分在其相对端部之间的部分具有与其端部开口的横截面积大致相同的横截面面积。由于连接器部分朝向管轴的平面平坦化，连接器与管轴的整体最外距离仅略大于管本身的半径。

5. 发明授权

US5380052A Releasable handle-type fastener for pipe couplings 失效
标题翻译：用于管接头的可拆卸手柄式紧固件
公开(公告)号：US5380052A
公开(公告)日：1995-01-10
申请号：US172720
申请日：1993-12-27
申请人： Thomas R. Hendrickson
发明人： Thomas R. Hendrickson
IPC分类号： F16L23/036 , F16L23/06 , F16L23/08
CPC分类号： F16L23/06 , F16L17/04 , Y10T24/1418 , Y10T24/1424
摘要： A manually releasable, toggle-type fastener is provided for use, in place of the conventional bolt-and-nut fastener that is normally used to secure together the adjacent, aligned, bolt lugs formed on the ends of curved segments which form a circular pipe coupling. The fastener includes a first pin part fitted into the bolt hole of a first lug, and a second pin part fitted into the bolt hole of the second lug. A lever is pivotally connected to the first pin part for swinging into a locked position adjacent its segment and for swinging into an unlocked position away from its segment. The lever has an end to which a clamp member is releasibly secured. The clamp extends along the lugs and has an end which engages the second lug and which carries the second pin part for securing the lugs together. The fastener may be made in different sizes to fit different size bolt lugs on different size couplings. Particularly, the clamp member may be exchanged for different size clamp members for utilizing the same fastener for fastening different size coupling lugs.
摘要翻译：提供了可手动释放的肘节式紧固件，代替常规的螺栓和螺母紧固件，其通常用于将形成在形成圆形管道的弯曲段的端部上的相邻的对准的螺栓凸耳固定在一起耦合。紧固件包括装配到第一凸耳的螺栓孔中的第一销部件和装配到第二凸耳的螺栓孔中的第二销部件。杠杆枢转地连接到第一销部分，用于摆动到邻近其段的锁定位置并且摆动到远离其段的解锁位置。杠杆具有可释放地固定夹紧构件的端部。夹具沿着凸耳延伸并且具有接合第二凸耳的端部并且承载第二销部分以将凸耳固定在一起。紧固件可以制成不同的尺寸以适应不同尺寸的联接器上的不同尺寸的螺栓。特别地，夹紧构件可以更换为不同尺寸的夹紧构件，以利用相同的紧固件来紧固不同尺寸的联接凸耳。

6. 发明授权

US4966395A Rigid or flexible coupling for pipes 失效
标题翻译：管道刚性或柔性联轴器
公开(公告)号：US4966395A
公开(公告)日：1990-10-30
申请号：US392662
申请日：1989-08-11
申请人： Thomas R. Hendrickson
发明人： Thomas R. Hendrickson
IPC分类号： F16L17/04
CPC分类号： F16L17/04
摘要： A coupling for either rigidly or flexibly connecting the adjacent ends of a pair of aligned pipes, is formed of a circular casing made of a pair of aligned, semi-circular segments which surround a resilient pipe gasket. The opposite ends of the segments have radially outwardly extending lugs which form pairs of overlapping fastening lugs. The lugs of at least one pair each have transversely aligned bolt holes and opposed sockets that are generally concentric with the bolt holes and open towards each other. A bolt extending through the sockets and bolt holes fasten the lugs together and cause the segments to clamp radially inwardly towards the pipes for coupling the pipes together with some permissible flexibility of relative movement. A plug having opposite end portions and a central bolt hole is removably fitted within the opposed lug sockets, with the bolt extending through its central bolt hole. The plug end portions are offset from each other in an axial direction, relative to the axis of the coupling, so that tightening a nut on the bolt wedges the overlapped pair of lugs apart in an axial direction for causing the segments to clamp axially and radially against the pipes and rigidly hold them against relative movement.

7. 发明授权

US4867482A Lugless pipe couplings 失效
标题翻译：无钩管接头
公开(公告)号：US4867482A
公开(公告)日：1989-09-19
申请号：US248647
申请日：1988-09-26
申请人： Thomas R. Hendrickson
发明人： Thomas R. Hendrickson
IPC分类号： F16L21/06
CPC分类号： F16L17/04 , F16L21/06
摘要： A pipe coupling is formed of a pair of similar semicircular segments of a preselected diameter which are fastened together by separate, standard-size, length-adjustable fasteners to form a predetermined diameter circular casing for surrounding and connecting adjacent, axially aligned pipe ends. Each segment has radially arranged, opposite end faces which abut the corresponding end faces of the other segment to form a pair of diametrically aligned junctures. Depressed sockets are formed in the exterior, peripheral surface of each segment near the junctures. Each fastener is formed of an internally threaded tube having an end portion telescopically fitted within a tubular barrel, with a screw having a head engaged against the free end of the barrel and a shank extending through the barrel and threadedly engaged within the tube. The laterally extending teeth which are formed on the tube and barrel fit into the sockets on opposite sides of each juncture. Tightening the screw moves the barrel axially relative to the tube for moving the barrel teeth and tube teeth towards each other and, consequently, compressing adjacent segment faces towards each other. A large number of different diameter pairs of segments can be interchangeably used with a single, standard length fastener.
摘要翻译：管接头由预定直径的一对相似的半圆形段形成，它们通过分开的标准尺寸的长度可调的紧固件紧固在一起，以形成用于围绕和连接相邻的轴向对准的管端的预定直径的圆形壳体。每个段具有径向布置的相对的端面，其邻接另一段的相应端面以形成一对直径对准的接合部。凹陷插座形成在接合处附近的每个段的外部外围表面。每个紧固件由具有可伸缩地装配在管状筒内的端部部分的内螺纹管形成，螺钉具有与筒的自由端接合的头部，以及延伸穿过筒并与管内螺纹接合的柄。形成在管和桶上的横向延伸的齿装配到每个接合部的相对侧上的插座中。拧紧螺钉使筒相对于管轴向移动，用于将筒齿和管齿朝向彼此移动，并且因此相互压缩相邻的段面。大量不同直径的片段对可以与单个标准长度的紧固件互换使用。

8. 发明授权

US4822077A Pipe coupling reducing insert 失效
标题翻译：管接头减少插入
公开(公告)号：US4822077A
公开(公告)日：1989-04-18
申请号：US248914
申请日：1988-09-26
申请人： Thomas R. Hendrickson
发明人： Thomas R. Hendrickson
IPC分类号： F16L25/14 , F16L25/00
CPC分类号： F16L17/04 , F16L25/14
摘要： A standard pipe coupling is formed of two, semi-circular segments that are bolted together to form a circular casing which surrounds the adjacent, axially aligned, end portions of two pipes to be connected. The casing is U-shaped in cross-section to form an exterior base and radially inwardly directed legs which are of substantially equal length. The radially inner edge portions of the legs form continuous, annular, narrow tenons which normally fit into annular grooves formed in the exterior surfaces of the pipes for interconnecting the casing and substantially equal diameter pipes. A diameter reducing insert comprising a flat, thin, segmented ring whose outer peripheral edge is formed with a continuous groove is arranged coplanar with one of the legs, and with its groove receiving the tenon of that leg. The inner peripheral edge of the insert ring forms a tenon which is substantially the same shape and width as, and is aligned radially inwardly of, and coplanar with, the tenon of its leg for fitting within a groove of a smaller diameter pipe. Thus, a predetermined size casing can be used to couple a corresponding, predetermined diameter large pipe to a variety of different size, smaller diameter pipes by selecting an inert whose inner peripheral edge is matched to the size of the particular diameter small size pipe selected.
摘要翻译：标准管接头由两个半圆形段形成，该两个半圆形段被螺栓连接在一起以形成围绕要连接的两个管的相邻的，轴向对齐的端部的圆形壳体。壳体的横截面为U形，以形成具有基本相等长度的外部基部和径向向内指向的腿。腿的径向内边缘部分形成连续的，环形的窄榫，其通常装配在形成在管的外表面中的环形槽中，用于互连壳体和基本相同直径的管。一种直径减小插入件，其包括平坦，薄的分段环，其外周缘形成有连续的凹槽，其中一个腿部共面并且其凹槽接收该腿部的榫头。插入环的内周边缘形成一个榫头，该榫头基本上与其腿部的榫头的形状和宽度基本相同，并且与其腿部的榫头径向向内并与之共面，以配合在较小直径的管道的槽内。因此，可以使用预定尺寸的壳体来将相应的预定直径的大管连接到各种不同尺寸的较小直径的管中，通过选择其内周边缘与所选择的特定直径小尺寸管的尺寸相匹配的惰性物质。

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