The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 10, 2005
Filed:
Apr. 28, 1999
Leo Hatjasalo, Helsinki, FI;
Jarkko Valtanen, Helsinki, FI;
Leo Hatjasalo, Helsinki, FI;
Jarkko Valtanen, Helsinki, FI;
Abstract
The invention relates to a method for manufacturing a thin-walled article, wherein a single- or multi-component, essentially polymer-based material (), such as plastics, elastomers, and/or the like, is sprayed in an elecrical field (E) in an electrically charged state. The thin-walled article is manufactured in the electrical field (E) by spraying (II) an electrically charged material into the contact with a mould () 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/releasing from the mould (). The invention relates also to an apparatus operating in accordance with the method.