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Attachment fastener with a sealing washer

A technology for connecting fastening and sealing gaskets, which is applied in the direction of connecting components, threaded fasteners, gaskets, etc., and can solve problems such as corrosion and premature wear

Active Publication Date: 2011-09-28
A RAYMOND & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In fact, the presence of water in mechanisms or machines can lead to corrosion and premature wear, problems with electrical continuity, etc.

Method used

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  • Attachment fastener with a sealing washer
  • Attachment fastener with a sealing washer
  • Attachment fastener with a sealing washer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] figure 1 Fasteners for mounting a component (not shown) on a plate support (not shown) are shown, the fasteners comprising a first relatively rigid molded plastic material extending in the axial direction A The main body 1 is configured with a head 2 , a strut 3 and a skirt-like flexible flange 4 between the head 2 and the strut 3 . The first plastic material is chosen to make the flange disc 4 soft and deformable while the body 1 is rigid, for example a thermoplastic material such as a polyamide type material that can be injected into an injection mould.

[0029] The connecting fastener also includes a removable annular sealing gasket 5 to ensure sealing along the peripheral edge 42 of the flanged disk 4 . The gasket 5 is made of a second relatively soft plastic material, in other words a material softer than the first plastic material constituting the fastener body 1, for example an elastomer injectable into the injection mold or a material softer than the first plas...

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PUM

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Abstract

The invention relates to an attachment fastener that comprises a body (1) extending in an axial direction, with a head (2), a leg (3) and a skirt-shaped flexible collar (4) provided between the head (2) and the leg (3), and an annular sealing washer (5) for sealing the length of a peripheral edge (42) of the collar (4), said annular sealing washer (5) having a lower surface (57) directed towards the opposite side of the collar (4) having at least one annular bead defining a first sealing line on the lower surface (57) of the annular washer (5). The annular sealing washer (5) is adapted to be removably attached onto said peripheral edge (32) of the collar (4), and comprises an upper surface opposite the lower surface (57), which defines an annular shoulder protruding on the side of the collar (4) and on which bears said peripheral edge (42) of the collar (4), said annular shoulder defining another sealing line on the upper surface of the annular washer (5).

Description

technical field [0001] The present invention relates to an attachment fastener comprising: a body extending axially and having a head, a post and a skirt-like flexible flange located between the head and the post; and an annular sealing gasket , which is used to ensure a seal along the peripheral edge of the flanged disk, the sealing gasket has an inner face facing the opposite side of the flanged disk, the inner surface has at least one annular lip or flange, so that on the lower surface of the gasket At least a first seal line is formed thereon. Background technique [0002] Currently, various connection fasteners are used to mount components such as panels, pipes or cables on supports such as panels or doors of machines or motor land vehicles while ensuring a tight fit. Installation is done by inserting the attachment fasteners into the two holes drilled in the panel and the support, respectively. These orifice features are also openings for the introduction of substanc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B19/00
CPCF16B43/001F16B21/088F16B21/02F16B21/086
Inventor 西尔万·吉罗史蒂夫·穆谢
Owner A RAYMOND & CO
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