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    • 2. 发明公开
    • IMPROVEMENTS IN JOINT FORMING DEVICES
    • 关节成形装置的改进
    • EP3230603A1
    • 2017-10-18
    • EP15808250.3
    • 2015-12-11
    • LAMA d.d. Dekani
    • MIGLI, CarloVALLANCE, William Ernest TaylorSVARA, ValterLUKEZIC, RobertKRIZMAN, Simon
    • F16B12/20F16B12/46A47B96/06
    • F16B12/2036A47B96/066F16B12/46F16B2012/2018
    • A fastening element (20) is provided for use with a tightening element (14) in a device for forming a joint between two panels (18,22). The fastening element is elongate and has a head (13) at one end for engaging the tightening element, an expander (15) at the other end and a shank (11) extending there between. The fastening element further comprises a sleeve (10) having an expandable section (16) at one end extending over the expander, with the expander operatively engaging the sleeve to cause outward movement of its expandable section upon axial displacement of the fastening element relative to the sleeve. The sleeve is provided with at least one outwardly facing cutting edge (19) on its expandable section. The cutting edge has sufficient strength to cut into the panel material in use of the device, when the expandable section is inserted into a face hole in a first one of the panels.
    • 提供紧固元件(20)以与用于在两个面板(18,22)之间形成接头的装置中的紧固元件(14)一起使用。 紧固元件是细长的并且在一端具有用于接合紧固元件的头部(13),在另一端的扩展器(15)和在其间延伸的柄(11)。 该紧固元件还包括具有在扩展器上方延伸的一端处的可扩展部分(16)的套筒(10),扩展器可操作地接合套筒以在紧固元件相对于该紧固元件轴向移动时引起其可扩展部分向外移动 袖。 套筒在其可扩展部分上设有至少一个面向外的切割边缘(19)。 当可扩展部分插入面板中的第一面板中的面孔时,切割边缘具有足够的强度以在使用该装置时切入面板材料。