Low capacity pump with enhanced compatibility

Details Low capacity pump with enhanced compatibility Low capacity pump with enhanced compatibility

B - Operations, Transporting

05

B

B05B 11/00 (2006.01) F04B 33/00 (2006.01)

Patent

CA 2347140

The invention concerns a pump comprising plastic body (1) defining a metering chamber (10) provided at one first end of a ball (5) valve (11) for intake of liquid product from a reservoir and at a second end with an exhaust valve (12) borne by the inner portion of an axially mobile spray tube (2) by co-operating with a helical spring (3) mounted coaxial around said spray tube (2) outer portion, provided with a lateral flange (21) against which one first end (31) of said spring (3) provides wedging support. The invention is characterised in that the body (1) and the ball (5) are made from a transparent or at least translucent plastic material.

L'invention concerne une pompe du type comprenant un corps (1) en matière plastique délimitant une chambre de dosage (10) pourvue à une première extrémité d'un clapet (11) à bille (5) pour l'admission en produit liquide à partir d'un réservoir et à une seconde extrémité d'un clapet d'échappement (12) porté par la partie interne d'un tube gicleur (2) mobile axialement en coopérant avec un ressort hélicoïdal (3) monté coaxialement autour de la partie externe dudit tube (2), pourvue d'un épaulement latéral (21) contre lequel une première extrémité (31) dudit ressort (3) est en appui de calage, caractérisée en ce que corps (1) et la bille (5) sont réalisés avec une matière plastique transparente ou au moins translucide.

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