| 摘要 |
<p>The dispenser for measured amounts of products with high viscosity has a rigid casing (101) inside which is a piston (118) with an operating rod (116) through it. The piston has a drive cam (124) which can be set in two positions, and which consists of a washer (116) threaded onto the operating rod (116). A prop (125) holds the piston in a slanting position. An outlet (107) for the contents of the dispenser is positioned at the end of the casing opposite to the operating pad (112).</p> |
