Method and apparatus for manufacturing a thin-walled article

Details Method and apparatus for manufacturing a thin-walled article Method and apparatus for manufacturing a thin-walled article

B - Operations, Transporting

29

C

B29C 41/08 (2006.01) B29D 99/00 (2010.01) B05B 5/08 (2006.01) B05D 1/04 (2006.01) B29C 41/52 (2006.01)

Patent

CA 2331747

The invention relates to a method for manufacturing a thin-walled article, wherein a single- or multi-component, essentially polymer-based material (1), such as plastics, elastomers, and/or the like, is sprayed in an electrical field (E) in an electrically charged state. The thin-walled article is manufactured in the electrical field (E) by spraying (II) an electrical charged material into the contact with a mould (2) set at an electric potential, after which spraying cycle (II) the article is, at least in terms of its appearance, immediately a finished product after its demoulding/stripping from the mould (2). The invention relates also to an apparatus operating in accordance with the method.

L'invention concerne un procédé de fabrication d'un article à paroi mince formée d'un composant simple ou multiple essentiellement à base de polymère (1), tel que le plastique, l'élastomère et/ou des matériaux analogues que l'on pulvérise dans un champ électrique (E) dans un état électriquement chargé. L'article à paroi mince est fabriqué dans le champ électrique (E) par pulvérisation (II) d'un matériau chargé électriquement venant au contact d'un moule (2) ayant un certain potentiel électrique. Après le cycle (II) de pulvérisation l'article, une fois démoulé, est, au moins en termes d'aspect, un produit fini. L'invention concerne en outre un appareil fonctionnant selon le procédé décrit.

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