Dispensing – With discharge assistant – Container with follower
Patent
1989-02-23
1989-10-31
Rolla, Joseph J.
Dispensing
With discharge assistant
Container with follower
222389, 2224021, B65D 8314
Patent
active
048771570
ABSTRACT:
As dispenser for fluid products such as perfumes, soaps, deodorizers, insecticides, varnishes, enamels, etc., comprises a chamber (2), containing a fluid to be dispensed and provided with a dispensing valve (10); a seal sliding piston (4) in the chamber (2), and a propellant medium (17) acting on the piston (4) and positioned in a conduit (3) or a chamber coaxial with the chamber (2). The propellant medium may be a spiral spring or compressed air, the pre-charging of which is proportional to the quantity of fluid to be dispensed. When the propellant medium is compressed air, it is contained in a coaxial chamber, annular and external to that of fluid to be dispensed; the external chamber is connected to the bottom of piston (4) by means of radial holes made on the surface of the inner chamber.
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Rolla Joseph J.
Stacos di Saulle Lorenzo e Pontarollo Luciana s.n.c.
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