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Tapped insert for cylindrical bore and installation equipment for such insert

A technology of threaded inserts and cylindrical holes, applied in the field of threaded inserts

Active Publication Date: 2012-05-23
AIRBUS OPERATIONS (SAS)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, after an Insert has been inserted into a hole, it is often not possible to remove said Insert without breaking the Insert or damaging the hole

Method used

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  • Tapped insert for cylindrical bore and installation equipment for such insert
  • Tapped insert for cylindrical bore and installation equipment for such insert
  • Tapped insert for cylindrical bore and installation equipment for such insert

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0058]Referring first to the first embodiment of the threaded insert according to the invention Figure 1A and Figure 1B Give instructions.

[0059] This threaded insert comprises a cylindrical body 10 whose shape is adapted to the cylindrical hole to be equipped.

[0060] In practice, the diameter of the cylindrical body 10 is determined such that it is slightly smaller than the diameter of the cylindrical hole to be equipped.

[0061] Furthermore, the length of the cylindrical body 10 of the threaded insert is substantially equal to the diameter of the cylindrical hole to be equipped.

[0062] as in Figure 1B As clearly shown in , said cylindrical body 10 includes a frustoconical inner bore 11 .

[0063] As a non-limiting example, the half angle of the cone of the frustoconical shape defining the inner bore 11 is approximately equal to 2.5°.

[0064] The value of the half angle of the cone can also be greater than 2.5° while preferably remaining less than 5°.

[0065]...

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PUM

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Abstract

The present invention relates to a tapped insert for cylindrical plain bore (30) of a part A1 comprising a cylindrical body (10), characterized in that said cylindrical body (10) comprises an inner bore (11) of frusto-conical shape, and at least one longitudinal slot (12, 12') extending into the cylindrical body (10) and communicating with said frusto-conical inner bore (11) and characterized in that the tapped insert also comprises a core (20) of frusto-conical shape complementary with said frusto-conical inner bore (11) of the cylindrical body (10), said core (20) comprising a inner tapped aperture (21), said cylindrical body (10) and said core (20) being such that said tapped insert can be holded in position and locked in said cylindrical bore (30) to equip said cylindrical bore with an inner taping.

Description

technical field [0001] The present invention relates to threaded inserts for cylindrical bores. [0002] The invention also relates to a mounting device for such a threaded insert. [0003] In general, the invention can be applied to the field of mechanical couplings of the screw-nut type, and more particularly to the formation of female threaded parts of mechanical couplings by means of threaded inserts. Background technique [0004] It is known to simplify the machining in the part of the cylindrical bore intended to accommodate the attachment screw by using a threaded insert to ensure the function of the nut of the attachment system by screwing. Cylindrical holes can thus be limited to simple drilling operations. [0005] The threaded insert is used in particular, but not exclusively, to form mechanical screw-nut couplings in blind holes, or where there are overall size, material or other sealing issues allowing access only via one side of the part. [0006] Various ty...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B13/06F16B2/04
CPCF16B37/122F16B13/063
Inventor C·法布尔A·比格诺莱斯
Owner AIRBUS OPERATIONS (SAS)