Glue spraying device for e.g. chair, has metal nozzle with conical form, where nozzle is tapered from ten millimeters to final diameter of two millimeters, where nozzle and commercial grease gun are connected by flexible tube
摘要
<p>The spraying device has a metal nozzle with a conical form, where the nozzle is tapered from 10 millimeters (mm) to a final diameter of 2 mm. The nozzle and a commercial grease gun are connected by a flexible tube.</p>
