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Washer, fastening assembly with the washer and application of the washer

A technology for fastening components and fastening elements, which is applied in the direction of threaded fasteners, connectors and connecting members with specially improved tensile loads, etc., to achieve the effect of simple cost

Active Publication Date: 2021-05-04
FISCHERWERKE ARTUR FISCHER GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The known solution has the disadvantage that the gaps provided are relatively small and are often affected by dust etc. on the construction site and can be easily covered

Method used

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  • Washer, fastening assembly with the washer and application of the washer
  • Washer, fastening assembly with the washer and application of the washer
  • Washer, fastening assembly with the washer and application of the washer

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Embodiment Construction

[0027] exist figure 1 , figure 2 and Figure 4 a) to Figure 4 d) to Figure 6 , shows a first washer 1 according to the invention and its use in fastening assemblies ( Figure 4 a) to Figure 4 d) to Figure 6 ). as in figure 1 and figure 2 As can be seen in , the gasket 1 according to the invention consists of two parts: the outer disc 2 and the indicator element 3 . The outer disk 2 is made of steel and has a perforation 4 which, together with the perforation 5 of the indicator element 3 , forms a through-hole 6 of the gasket 1 . Four openings 7 are formed on the outer circumference of the outer disk 2 in the form of slots 8 extending radially—the radial direction being referred to the longitudinal axis L of the through-hole 6—and extending to the outer circumference of the gasket 1 . The slots 8 each form identical visual elements 9 and have a span w of 3 mm, which is less than 1 / 40 of the circumference of the outer disk 2 . The depth t of the slot 8 is 4 m...

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Abstract

The invention relates to a washer (1) with an axial through hole (6) for a fastening element (19), said washer having an outer disc (2) and an indicator element (3), said indicator element being in The basic geometry (28) is filled in the untightened basic state, and the indicator element is arranged such that when the fastening element (19) is tightened, the indicator element (3) is squeezed due to deformation Pressed into the viewing element (9), which passes axially through the outer disc (2). Markings (26, 27) are arranged at the visual element (9) for displaying the magnitude of the clamping force acting in the fastening element (19), wherein the first marking ( 26) is arranged between said basic geometric shape (28) and said second marking (27). In order to facilitate the reading of markings ( 26 , 27 ), it is proposed that the first end ( 11 ) of the visible element ( 9 ) facing the basic geometric shape ( 28 ) forms the first marking ( 26 ), In order to display the minimum clamping force to be achieved of the fastening element (19).

Description

technical field [0001] The invention relates to a gasket according to the invention, a fastening assembly according to the invention with the gasket, and a use of the gasket according to the invention. Background technique [0002] A gasket of this class is known from patent application GB 2 120 795 A. The patent application Figure 5 A washer is shown for displaying the clamping force acting in a fastening element of a threaded connection. Such fastening assemblies are typically aimed at threaded connections in steel structures, where the threaded connections are prestressed in order to ensure the load-bearing capacity and suitability of such connections. The known gasket consists of an outer disk made of steel, at the underside of which an indicator element is arranged, said indicator element made of soft plastic. The outer disk has a slit-shaped opening extending in the radial direction, which in the untightened basic state of the washer extends from the indicator eleme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L5/24F16B31/02
CPCF16B31/028G01L5/161G01L5/243
Inventor D.莱曼M.林卡
Owner FISCHERWERKE ARTUR FISCHER GMBH & CO KG
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