| 摘要 |
<p>Adhesive applicator apparatus comprising a body (1) having at least two valve assemblies (6A, 6B) mounted therein, each valve assembly (6A, 6B) including a nozzle (7A, 7B) through which adhesive can be ejected; and a control means which is capable of actuating each valve assembly (6A, 6B) alternately so as to effect ejection of adhesive at an overall frequency greater than a maximum operating frequency of one of said valve assemblies (6A, 6B).</p> |
