Device and method for moulding micro-components
OwnerJean-Camil Pitteloudinventor
Life of this patent
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Abstract
A method and device for injection moulding micro-components, including an injection moulding machine having a mould carrier, which supports a removable mould in which at least one mould cavity is provided; and a counter mould, which is arranged so as to be closed against the mould in such a way as to apply a centering force as well as moulding pressure to the mould when the counter mould is closed against the mould.
Claims12
Injection device constituted of an injection press comprising:
- a mould carrier, supporting a removable mould in which at least one mould cavity for moulding is provided;
- a counter mould, arranged so as to be closed against the mould in such a way as to apply a centering action as well as a pressure on the mould when the counter mould is closed against the mould, during a moulding operation by injection of material in the moulding cavities of the mould;
- a level compensation device comprising a bearing area abutting against the mould carrier, an elastic area opposite the bearing area, and a joining area forming a circumferential clearance between the bearing area and the elastic area;
- the elastic area comprising an elastically deformable circumferential zone extending circumferentially on the elastic area;
- the elastically deformable circumferential zone being adapted to deform under the influence of a force applied in an uneven manner on the surface of the mould when the pressure is applied by the counter mould, so as to ensure alignment of the mould with the mould carrier and ensure a substantially uniform distribution of the pressure on the surface of the mould.
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Method for part moulding by injection of material using an injection device comprising a mould carrier supporting a removable mould in which a plurality of mould cavities for moulding is provided, a counter mould arranged so as to be closed against the mould in such a way as to apply a centering action as well as a pressure on the mould when the counter mould is closed against the mould, a level compensation device comprising a bearing area abutting against the mould carrier, an elastic area opposite the bearing area, and a joining area forming a circumferential clearance between the bearing area and the elastic area;
- the elastic area comprising an elastically deformable circumferential zone extending circumferentially on the elastic area, the elastically deformable circumferential zone being adapted to deform under the influence of a force applied in an uneven manner on the surface of the mould when the pressure is applied by the counter mould, so as to ensure alignment of the mould with the mould carrier and ensure a substantially uniform distribution of the pressure on the surface of the mould;
- the method comprising the steps of:
- positioning the mould provided with a plurality of mould cavities against the mould carrier;
- closing the mould by applying the counter mould against the open portion of the mould cavities;
- exerting a pressure against the mould, wherein said pressure is at least partly retransmitted at the level of the level compensation device;
- and
- correcting any potential unbalance in the alignment of the mould and/or of the pressure applied on the surface of the mould by deformation of the level compensation device as a reaction to the unbalance.
Dependencies are inferred from the claim text.