Method of producing a dispenser, dispenser, and mould therefor
AssigneeAptar Radolfzell GmbH
InventorGerald KRAMPEN
Life of this patent
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Abstract
A perforated plate produced as a plastics component by injection moulding, there being provided for this purpose a mould with two mould halves which together define a cavity filled with plastics material during injection moulding, wherein the first mould half has a planar abutment surface directed towards the cavity, and the second mould half has a multiplicity of elevations rising up over a base surface, wherein, in the closed state of the mould, distal contact regions at the distal ends of the elevations but against the abutment surface, and therefore keep the dispensing openings free of plastics material when the plastics material is being injected.
Claims12
Perforated plate for a dispenser for dispensing liquid,
- wherein
- the perforated plate is produced as a plastics part by injection moulding,
- the perforated plate has a multiplicity of dispensing openings passing through it, wherein each dispensing opening tapers from a first side of the perforated plate to a second side of the perforated plate, and
- the perforated plate has at least 25 dispensing openings, wherein said dispensing openings are arranged such that at least five dispensing openings are provided per mm2.
Nozzle unit for a dispenser for dispensing liquids,
- wherein
- the nozzle unit has a perforated plate produced as a plastics part by injection moulding,
- the perforated plate has a multiplicity of dispensing openings passing through it, wherein each dispensing opening tapers from a first side of the perforated plate to a second side of the perforated plate, and
- the perforated plate has at least 25 dispensing openings, wherein said dispensing openings are arranged such that at least five dispensing openings are provided per mm2, and a fastening frame, connected in one piece to the perforated plate, encloses the perforated plate and is provided for securing on a dispensing head of the dispenser.
Dispenser for dispensing liquids, having a liquid store, a nozzle unit and a connecting channel, which connects the liquid store to the nozzle unit,
- wherein
- the nozzle unit has a perforated plate produced as a plastics part by injection moulding,
- the perforated plate has a multiplicity of dispensing openings passing through it, wherein each dispensing opening tapers from a first side of the perforated plate to a second side of the perforated plate, and
- the perforated plate has at least 25 dispensing openings, wherein said dispensing openings are arranged such that at least five dispensing openings are provided per mm2 and a fastening frame connected in one piece to the perforated plate, encloses the perforated plate and is provided for securing on a dispensing head of the dispenser.
Dispenser for dispensing liquids, having a liquid store, a nozzle unit and a connecting channel, which connects the liquid store to the nozzle unit,
- wherein
- the nozzle unit has a perforated plate produced as a plastics part by injection moulding,
- the perforated plate has a multiplicity of dispensing openings passing through it, wherein each dispensing opening tapers from a first side of the perforated plate to a second side of the perforated plate, and
- the perforated plate has at least 25 dispensing openings, wherein said dispensing openings are arranged such that at least five dispensing openings are provided per mm2.
Dependencies are inferred from the claim text.