Pump cylinder and method of producing a thermoplastic alloy for one such pump cylinder
AssigneeValois SAS
InventorsChristophe Fagot, Andre Derouet
Life of this patent
Estimating the term…
Abstract
The invention relates to a fluid product dispensing pump cylinder which is intended to be assembled to a fluid product tank. According to the invention, the pump cylinder is made from a thermoplastic alloy comprising a mixture of homopolymer polypropylene and high-density polyethylene.
Claims20
A fluid dispenser pump body for assembling on a fluid reservoir, the pump body being characterized in that it is made of a thermoplastic alloy, said alloy comprising a mixture of polypropylene homopolymer and of high-density polyethylene.
A process of manufacturing a fluid dispenser pump body for assembling on a fluid reservoir, comprising:
- providing quantities of polypropylene homopolymer and of high-density polyethylene,
- mechanically polyblending the quantities of polypropylene homopolymer and the high-density polyethylene to produce a thermoplastic alloy, and
- injection-molding the thermoplastic alloy to form the pump.
Dependencies are inferred from the claim text.