Threaded insert made of wire

Details Threaded insert made of wire Threaded insert made of wire

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 37/12 (2006.01)

Patent

CA 2266706

The invention relates to a wire-type screw thread insert for insertion into a tapped hole of a workpiece. A cylindrical body comprising a plurality of helically wound coils is provided with at least one insertion zone which is bent radially inwards from the outer diameter of the cylindrical body and extends about a circumferential angle of about 360° to 720°. This facilitates insertion of the insert into a tapped hole of the workpiece so that special tools required hitherto may be dispensed with because the wire-type screw thread insert of the invention may be readily introduced into the tapped hole and may be threaded thereinto by a simple tool.

L'invention concerne un insert fileté en fil métallique (10) destiné à être introduit dans un trou taraudé (11) d'une pièce (12). Un corps cylindrique présentant plusieurs spires hélicoïdales comporte au moins une zone d'introduction qui est courbée vers l'intérieur dans le sens radial à partir du diamètre extérieur (d) du corps cylindrique et s'étend sur un angle périphérique compris entre environ 360 DEG et 720 DEG . Ceci facilite l'introduction de l'insert dans un trou taraudé d'une pièce et permet d'éviter le recours à des outils spéciaux nécessaires jusqu'à présent, car l'insert fileté en fil métallique de l'invention peut être introduit sans difficulté dans le trou taraudé et vissé avec un outil simple.

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