System and method of molding and assembling a fluid spray device
View Patent ↗A system for molding and assembling a fluid spray device, said system comprising two multi-cavity molds (B, C; B′; C′) for molding two different parts ( 100, 200 ) of said fluid dispenser device, the system being characterized in that the first part ( 100 ) is a spray head and the second part ( 200 ) is an insert for assembling in said spray head ( 100 ), said system comprising means for assembling parts coming from each of the cavities of the first multi-cavity mold (B; B′) in pairs always with parts coming from a corresponding respective cavity of said second multi-cavity mold (C; C′), such that the same insert ( 200 ) is always assembled in the same spray head, thereby guaranteeing constant spraying performance for each dispenser device assembled from the same pair of cavities.
1. A method of molding and assembling a fluid spray device comprising two different parts, the first part being a spray head and the second part being an insert for assembling in said head, the method comprising:
molding said head and said insert in respective first and second multi-cavity molds; and
assembling each part coming from a particular cavity of the first multi-cavity mold always with a part coming from the same respective cavity of the second multi-cavity mold;
wherein said head and said insert are molded and assembled in a common molding and assembly unit having the respective multi-cavity molds for each of said parts, said method further comprising:
a) closing the molding and assembly unit to mold simultaneously a plurality of said heads and said inserts in the multi-cavity molds of the molding and assembly unit;
b) opening the molding and assembly unit, with each portion of the molding and assembly unit supporting one of the kinds of part that are to be assembled together;
c) moving the cavities to bring the molded parts face to face in a central assembly zone of the molding and assembly unit, with the same cavity in the first multi-cavity mold always being brought to face the same cavity in the second multi-cavity mold;
d) closing the molding and assembly unit to assembly together the molded parts in the assembly zone;
e) opening the molding and assembly unit ( 1 ) again in order to recover the assembled devices; and
f) repeating steps a) to e) above.
2. The method according to claim 1 , in which, simultaneously with step d), the molding and assembly unit is adapted to mold new head and insert parts in the multi-cavity molds of the molding and assembly unit.
3. The method according to claim 1 , in which said step c) is implemented by turning at least one of the two plates, comprising a core plate supporting the cavities for molding the head, and a cavity plate supporting the cavities for molding the insert.
4. The method according to claim 1 , in which each part molded in a cavity of said multi-cavity molds is identified after molding and stored separately from the parts molded in the other cavities prior to assembly.