| 摘要 |
A method and product in which a stud or rivet-like element is secured in a base or two elements are hingedly connected by means of a pin, in which the stud or pin is prevented from rotating relative to at least one element. The at least one element is provided with a non-circular hole into which the pin is inserted and then upset so as to assume the non-circular shape. The stud or pin is of the semi-tubular type having a bore of critical length, relative to the thickness of the at least one element, so as to confine upsetting substantially to the depth of the non-circular hole.
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