EXTRUSION DIE VISCOELASTIC MATERIALS
Application 2844/CHENP/2005 published 2007-09-14, filed 2005-11-02
The invention relates to a die device (1) for shaping viscoelastic strands, in particular made of polymers, pastes, etc. The inventive device comprises several similar and parallel nozzle channels (2), each of them extending along an axial direction of the paste transfer (F) to said die device (1). According to said invention, an output area gradually widens along the axial transfer direction (F) on the length LA of the internal area of the nozzle channel toward an output orifice.
Applicant
1)BÜHLER AG
: Bahnhofstrasse, CH-9240 Uzwil
Inventor
1)OURIEV, Boris
International Info
Classification: B29C 47/30
Publication Number: WO/2004/098859
Application Date: 2004-03-03
Priority Information
103 20 073.8 Germany 2003-05-05