摘要 |
<p>Support materials include footmats, seat covers in cars or leather goods and the two pins (5) are connected up on the far side of the material by a connecting element to prevent the pin sliding back. Preferred mechanical connection is by rivet cap, here in two parts notably a tongue head and hole to be fixed to the cap. The cap is round or oval based, here concave relative the tongue hole and with inwards rims. The pin can be threaded at the end to be connected, in this case using a nut as connector.</p> |