CN108026955A - 膨胀套筒注塑包封的连接膨胀栓 - Google Patents

膨胀套筒注塑包封的连接膨胀栓 Download PDF

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CN108026955A
CN108026955A CN201680055607.7A CN201680055607A CN108026955A CN 108026955 A CN108026955 A CN 108026955A CN 201680055607 A CN201680055607 A CN 201680055607A CN 108026955 A CN108026955 A CN 108026955A
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bolt
sleeve
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R·瓦尔茨
M·冯维尔克
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Berlin Haifule & Co GmbH
Haefele Berlin GmbH and Co KG
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
    • F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
    • F16B13/066—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting a separate expander-part, actuated by the screw, nail or the like
    • F16B13/068—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting a separate expander-part, actuated by the screw, nail or the like expanded in two or more places
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
    • F16B12/20—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
    • F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
    • F16B13/065—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting the screw, nail or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/08—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation
    • F16B13/0858—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation with an expansible sleeve or dowel body driven against a tapered or spherical expander plug
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2230/00—Furniture jointing; Furniture with such jointing
    • A47B2230/0029—Dowels
    • A47B2230/0033—Expansible dowels or dowel-pins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
    • F16B12/20—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like
    • F16B12/2009—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like actuated by rotary motion
    • F16B12/2027—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like actuated by rotary motion with rotating excenters or wedges
    • F16B12/2036—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like actuated by rotary motion with rotating excenters or wedges with rotating excenters or wedges acting on a head of a pin or screw
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve

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  • Mechanical Engineering (AREA)
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Abstract

本发明涉及一种膨胀套筒注塑包封的连接膨胀栓(1)，其具有在一栓端部上的栓头部(3)和在另一栓端部上的、朝向所述栓头部(3)缩窄的栓锥体(4；15a，15b)，其中，所述栓锥体(4；15a，15b)和与其衔接的栓杆区段(6)用塑料膨胀套筒(5)注塑包封，所述塑料膨胀套筒的、包围所述栓锥体(4；15a，15b)的套筒端部(9)由在端侧打开的缝隙(10)划分为多个可扩开的套筒段(11)，根据本发明设置为，包围所述栓锥体(4；15a，15b)的套筒端部(9)被划分为至少三个套筒段(11)，并且使所述套筒段(11)相互分隔开的缝隙(10)中的至少两个在所述栓锥体(4；15a，15b)上不平行于栓轴线(7)延伸。

Description

膨胀套筒注塑包封的连接膨胀栓
技术领域
本发明涉及一种膨胀套筒注塑包封的连接膨胀栓，其具有在一栓端部上的栓头部和在另一栓端部上的、朝向栓头部缩窄的栓锥体，其中，栓锥体和与其衔接的栓杆区段被用塑料膨胀套筒注塑包封，所述塑料膨胀套筒的、包围栓锥体的套筒端部由在端侧打开的缝隙划分为多个可扩开的套筒段。
背景技术
这样的膨胀套筒注塑包封的连接膨胀栓是已知的并且例如在两个木质纤维板的角连接中使用。在已知的膨胀套筒注塑包封的连接膨胀栓中，包围栓锥体的套筒端部由两个在端侧打开的缝隙划分为两个可扩开的套筒段。两个缝隙在其整个长度上、即也在栓锥体上平行于栓轴线延伸。因为两个套筒段在连接拉紧时仅仅向两个方向扩张，角连接在拉力负荷时的保持力不是最优的。
在一种膨胀套筒注塑包封的连接膨胀栓中，可扩开的套筒端部由轴平行的缝隙划分为三个或者四个套筒段，这样的膨胀套筒注塑包封的连接膨胀栓虽然在原则上是可能的，但是只能通过明显提高的耗费实现，因为为此需要具有滑移件的注塑成型工具。
也已知具有三个或四个套筒段的可折叠的塑料膨胀套筒，但是所述塑料膨胀套筒被独立地制造并且然后费事地用手绕在金属栓上(“包围夹住”)。
考虑到制造和经济性，现在主要用无导板的注塑成型工具制造具有两个套筒段的膨胀套筒注塑包封的连接膨胀栓。
发明内容
本发明的任务在于，如下地改进开篇所提到类型的膨胀套筒注塑包封的连接膨胀栓：可以实现在拉力负荷时连接膨胀栓在木质纤维板的孔中的较高的保持，并且可以用无导板的注塑成型工具制造膨胀套筒注塑包封的连接膨胀栓。
根据本发明，该任务由此解决：包围栓锥体的套筒端部被划分为至少三个套筒段，并且使套筒段相互分隔开的缝隙中的至少两个在栓锥体上不平行于栓轴线延伸。
根据本发明的膨胀套筒注塑包封的连接膨胀栓由于其至少三个套筒段而实现在拉力负荷时较高的保持和在木质纤维板的孔中均匀的力分布，以及较高的角度稳定性并且能够实现相应较高的拉出力。由于缝隙在栓锥体上不平行于栓轴线而是倾斜地延伸，能够实现用无导板的注塑成型工具的成本低廉的制造。
优选包围栓锥体的套筒端部被划分为三个或四个套筒段。可扩开的套筒段的数量越高，则保持和角度稳定性越高，并且在拉力负荷时在木质纤维板的孔中的力分布越均匀。
在本发明的一种优选的实施方式中，栓锥体构造为单锥体，其中，缝隙在单锥体上具有关于栓轴线倾斜的缝隙区段。
在本发明的一种优选的替代的实施方式中，栓锥体构造为双锥体，其中，缝隙在双锥体的每个锥体上具有关于栓轴线倾斜的缝隙区段并且缝隙的两个倾斜的缝隙区段相对彼此平行错开地延伸。双锥体导致套筒段比在单锥体的情况下在更大的长度上扩张，这造成更高的保持力。
根据本发明，注塑包封的栓可以是例如由压铸锌合金或者钢制成的金属栓、或者可以是塑料栓。但是，其它的可注塑包封的材料也是可能的。
附图说明
从说明书、权利要求和附图得出本发明的另外的优点。同样地，以上所提到的和还将要提到的特征可以各自单独地或者多个任意组合地使用。所示出的和所说明的实施方式不可理解为最终的列举，而确切地说具有用于本发明的叙述的示例性的特性。附图示出：
图1根据本发明的、具有四个套筒段和用于扩开套筒段的单锥体的膨胀套筒注塑包封的连接膨胀栓；
图2在图1中示出的、没有膨胀套筒的连接膨胀栓；
图3在图1中示出的膨胀套筒；
图4根据本发明的、具有四个套筒段和用于扩开套筒段的双锥体的膨胀套筒注塑包封的连接膨胀栓；
图5在图4中示出的、没有膨胀套筒的连接膨胀栓；和
图6在图4中示出的膨胀套筒。
在接下来的附图说明中，对于相同或者功能相同的构件使用一致的附图标记。
具体实施方式
在图1中示出的膨胀套筒注塑包封的四叶的连接膨胀栓1用于构造两个木质纤维板21，22的角连接。
膨胀套筒注塑包封的连接膨胀栓1包括金属栓或者塑料栓2(图2)以及轴套状的塑料膨胀套筒5(图3)，所述金属栓或者塑料栓具有在一栓端部上的栓头部3和在另一栓端部上的、朝向栓头部3缩窄的、呈单锥体形式的栓锥体4。栓锥体4和与其衔接的栓杆区段6用膨胀套筒5注塑包封，其中，栓锥体4以其最外的端部突出超过膨胀套筒5的套筒端侧8。
膨胀套筒5的包围栓锥体4的套筒端部9通过四个在端侧打开的缝隙10划分为四个可扩开的套筒段11。缝隙10朝向膨胀套筒5的套筒端侧8打开并且延伸至膨胀套筒5的环状的深度止挡部12，所述深度止挡部径向向外突出并且使可扩开的套筒端部9与另外的套筒端部13分隔开。
从深度止挡部12出发，缝隙10在栓杆区段6上分别具有轴平行的缝隙区段10a(所述缝隙区段直地并且平行于栓轴线7延伸)，并且在栓锥体4上具有倾斜的缝隙区段10b，所述缝隙区段直地、但是不平行于栓轴线7地延伸并且相对于轴平行的缝隙区段10a成大约20°角度。在所示出的实施例中，倾斜的缝隙区段10b大约是轴平行的缝隙区段10a两倍长。在图1中可见的两个缝隙10的倾斜的缝隙区段10b向相互离开的方向弯曲。类似地，在图1中不可见的两个缝隙10的倾斜的缝隙区段10b也向相互离开的方向弯曲。
在所示出的实施例中，两个套筒端部9，13在其外侧上分别具有多个在轴向上前后相继地布置的筋14，所述筋在可扩开的套筒端部9上分别环包围地设置(例如作为螺距)并且在另一套筒端部13上仅仅设置在两个相互对置的侧上。
如在图1中所示，可扩开的套筒端部9***第一板21的盲孔23中并且另一套筒端部13***另外的第二板22的孔24中，其中，相应的***深度由深度止挡部12限界。然后，栓头部3借助于锚固在第二板22中的拉紧元件(未示出)被沿着箭头方向25拉并且由此相对于膨胀套筒5移动，所述膨胀套筒通过其深度止挡部12在拉方向25上不可移动地贴靠在第一板21上。栓锥体4相对于膨胀套筒5的相对运动引起套筒段11径向向外扩开，所述套筒段以其筋14压入盲孔23的壁中、即压入第一板21的木质材料中。当深度止挡部12完全被压入板21，22中并且板21，22相互贴靠时，拉紧过程结束。
在图1中示出的、具有单锥体4的膨胀套筒注塑包封的连接膨胀栓1替代四个套筒段11地也可以实施为具有仅仅三个或者多个套筒段。在奇数个套筒段的情况下，替代地，所述缝隙中的一个在其整个长度上、即从深度止挡部12至端侧8、也可以直地并且平行于栓轴线7延伸。
在图4中示出的四叶的连接膨胀栓1与图1的连接膨胀栓的区别在于，栓锥体在这里构造为双锥体15a，15b，并且可扩开的套筒端部9更长地实施并且由四个锯齿状的缝隙10划分为四个套筒段11。从深度止挡部12出发，缝隙10在栓杆区段6上分别具有轴平行的缝隙区段10a(所述缝隙区段直地并且平行于栓轴线7延伸)，在内锥体15a上具有第一倾斜缝隙区段10b(所述第一倾斜缝隙区段直地、但是不平行于栓轴线7地延伸并且相对于轴平行的缝隙区段10a成大约20°角度)，并且在外锥体15b上具有第二倾斜缝隙区段10c(所述第二倾斜缝隙区段通过横向延伸的缝隙区段10d相对于第一倾斜缝隙区段10b向后错开并且平行于第一倾斜缝隙区段10b延伸)。横向延伸的缝隙区段10d相对于倾斜的两个缝隙区段10b，10c分别成大约90°角度。在图4中可见的两个缝隙10的倾斜的缝隙区段10b，10c向相互离开的方向弯曲。类似地，在图4中不可见的两个缝隙10的倾斜的缝隙区段10b，10c也同样地向相互离开的方向弯曲。
在安装状态下，拉栓头部3引起双锥体15a，15b相对于膨胀套筒5相对运动并且由此引起套筒段11径向向外分别两次地扩开，所述套筒段以其筋14压入盲孔23的壁中、即压入第一板21的木质材料中。
在图4中示出的、具有四个套筒段11和双锥体15a，15b的连接膨胀栓1由于套筒段11的较大的长度而比图1中示出的、具有单锥体4的连接膨胀栓1表现出更高的保持力。
在图4中示出的、具有双锥体15a，15b的膨胀套筒注塑包封的连接膨胀栓1替代四个套筒段11地也可以实施为具有仅仅三个或者具有多个套筒段。在奇数个套筒段的情况下，替代地，所述缝隙中的一个在其整个长度上、即从深度止挡部12至端侧8、也可以直地并且平行于栓轴线7延伸。

Claims (11)

1.一种膨胀套筒注塑包封的连接膨胀栓(1)，其具有在一栓端部上的栓头部(3)和在另一栓端部上的、朝向所述栓头部(3)缩窄的栓锥体(4；15a，15b)，其中，所述栓锥体(4；15a，15b)和与其衔接的栓杆区段(6)用塑料膨胀套筒(5)注塑包封，所述塑料膨胀套筒的、包围所述栓锥体(4；15a，15b)的套筒端部(9)由在端侧打开的缝隙(10)划分为多个可扩开的套筒段(11)，
其特征在于，
包围所述栓锥体(4；15a，15b)的套筒端部(9)被划分为至少三个套筒段(11)，并且使所述套筒段(11)相互分隔开的缝隙(10)中的至少两个在所述栓锥体(4；15a，15b)上不平行于栓轴线(7)延伸。
2.根据权利要求1所述的膨胀套筒注塑包封的连接膨胀栓，其特征在于，包围所述栓锥体的套筒端部(9)被划分为三个套筒段(11)。
3.根据权利要求1所述的膨胀套筒注塑包封的连接膨胀栓，其特征在于，包围所述栓锥体(4；15a，15b)的套筒端部(9)被划分为四个套筒段(11)。
4.根据以上权利要求中任一项所述的膨胀套筒注塑包封的连接膨胀栓，其特征在于，所有缝隙(10)在所述栓锥体(4；15a，15b)上不平行于所述栓轴线(7)延伸。
5.根据以上权利要求中任一项所述的膨胀套筒注塑包封的连接膨胀栓，其特征在于，所述栓锥体构造为单锥体(4)。
6.根据权利要求5所述的膨胀套筒注塑包封的连接膨胀栓，其特征在于，所述缝隙(10)在所述单锥体(4)上具有关于所述栓轴线(7)倾斜的缝隙区段(10b)。
7.根据权利要求1至4中任一项所述的膨胀套筒注塑包封的连接膨胀栓，其特征在于，所述栓锥体构造为双锥体(15a，15b)。
8.根据权利要求7所述的膨胀套筒注塑包封的连接膨胀栓，其特征在于，所述缝隙(10)在所述双锥体的每个锥体(15a，15b)上具有关于所述栓轴线(7)倾斜的缝隙区段(10b，10c)并且缝隙(10)的两个倾斜的缝隙区段(10b，10c)相对彼此平行错开地延伸。
9.根据以上权利要求中任一项所述的膨胀套筒注塑包封的连接膨胀栓，其特征在于，所述缝隙(10)在所述栓杆区段(6)上具有轴平行的缝隙区段(10a)。
10.根据以上权利要求中任一项所述的膨胀套筒注塑包封的连接膨胀栓，其特征在于，所述缝隙(10)从套筒端侧(8)延伸至所述膨胀套筒(5)的深度止挡部(12)。
11.根据以上权利要求中任一项所述的膨胀套筒注塑包封的连接膨胀栓，其特征在于，所述连接膨胀栓具有金属栓或者塑料栓(2)。
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