Screwed connection, fastener for said connection and method for the production thereof
First Claim
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1. A method of incorporating an internal thread in a sheet-like material, comprising the steps of:
- piercing the sheet-like material such that the material displaced by the piercing is arranged laterally in the form of a turned-out portion making the turned-out portion more uniform to form a collar, embossing a thread turn with the collar being deformed, bending over the sheet-like material in such a way that at least two openings at least partly overlap, and deforming the folded sheet-like material in such a way that the thread turns are arranged to form an internal thread.
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Abstract
A screwed connection has a first connecting means with an external thread and a second connecting means with an internal thread. In order to avoid self-slackening of the screwed connection, the external thread has a denticulation (14-16) which interacts with a mating denticulation of the internal thread.
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Citations
5 Claims
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1. A method of incorporating an internal thread in a sheet-like material, comprising the steps of:
- piercing the sheet-like material such that the material displaced by the piercing is arranged laterally in the form of a turned-out portion making the turned-out portion more uniform to form a collar, embossing a thread turn with the collar being deformed, bending over the sheet-like material in such a way that at least two openings at least partly overlap, and deforming the folded sheet-like material in such a way that the thread turns are arranged to form an internal thread.
- View Dependent Claims (2, 3, 4, 5)
Specification