| 摘要 |
Assembly for dispensing products in cream, liquid or powder form comprising a dispensing head comprising a push-button 1001 forming a pump body sliding over a hollow piston 1010 capable of being closed by a valve 1013. The outlet opening for the product located in the push-button 1001 is closed by a closing device F comprising a flexible elastic blade 1004 terminated by a bevelled part 1005 resting on a seat 1003. The dispensing head constitutes a self-priming pump with no air intake. <IMAGE>
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