Threaded element, connection assembly comprising the element and method of manufacturing both

A technology of threaded elements and connecting components, applied in the direction of connecting components, threaded fasteners, screws, etc.
CN109072964BActive Publication Date: 2020-10-02BOLLHOFF VERBINDUNGSTECHNIK GMBH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BOLLHOFF VERBINDUNGSTECHNIK GMBH
Publication Date
2020-10-02

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Abstract

The invention relates to a threaded element made of plastic, a connection assembly comprising a support part made of plastic, said threaded element made of plastic being screwed into said support part by creating a reverse thread, a A method of making said connection, and a method of making said threaded element. The threaded element features an axial piece in which the circumferential winding of the threaded turn is interrupted by at least two chip flutes. The resulting coiled region forms a cutting web and a restraining web, wherein the cutting web extends radially beyond the restraining web.
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Description

technical field

[0001] The invention relates to a threaded element made of plastic, in particular a plastic screw, a plastic screw insert with an internal thread and a plastic thread insert; a connection assembly comprising a a plastic support part in which a threaded element has been screwed in and at the same time forms a thread in a self-acting manner; and a method of manufacturing said connection assembly from at least one said plastic support part and said threaded element made of plastic; And a method of manufacturing a threaded element. Background technique

[0002] The aforementioned connection assemblies are known in the prior art, which comprise at least one support part made of plastic and a plastic threaded element in the form of a screw or a collar with a self-forming external thread. They are described, for example, in DE 2 047 482 A1, US 4,637,767, US 5,921,735, US 5,385,439 and DE 10 2004 021 484 A1.

[0003] US 5,385,439 describes a screw having an externa...

Claims

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