EP 0981430 A1 20000301 - METHOD AND APPARATUS FOR FORMING ITEMS MADE OF PLASTIC MATERIAL WHEREBY THE PLASTIC MATERIAL IS HEATED BY ULTRASONIC VIBRATIONS
Title (en)
METHOD AND APPARATUS FOR FORMING ITEMS MADE OF PLASTIC MATERIAL WHEREBY THE PLASTIC MATERIAL IS HEATED BY ULTRASONIC VIBRATIONS
Title (de)
VERFAHREN UND VORRICHTUNG ZUM HERSTELLEN VON GEGENSTÄNDEN AUS KUNSTSTOFF WOBEI DER KUNSTSTOFF DURCH ULTRASCHALLVIBRATIONEN ERWÄRMT WURDE
Title (fr)
PROCEDE ET APPAREIL SERVANT A FORMER DES ARTICLES EN MATIERE PLASTIQUE PAR CHAUFFAGE DE CETTE MATIERE PLASTIQUE PAR VIBRATIONS ULTRASONIQUES
Publication
Application
Priority
- IB 9900389 W 19990310
- IT BO980155 A 19980312
Abstract (en)
[origin: WO9946098A1] Method and apparatus for forming items (A) made of polymeric material, comprising the operations of bringing a mass of polymeric material (14) to a pre-set fluid or viscous condition suitable for obtaining the plastic item (A) and of forming into the desired predetermined shape said mass of polymeric material (14). In order to bring said mass into the pre-set viscous condition, the method entails sending ultrasound vibrations on said mass of polymeric material (14).
IPC 1-7
IPC 8 full level
B29B 13/02 (2006.01); B29C 35/02 (2006.01)
CPC (source: EP)
B29B 13/022 (2013.01); B29C 35/0261 (2013.01); B29K 2105/251 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE
DOCDB simple family (publication)
WO 9946098 A1 19990916; AU 2541599 A 19990927; CA 2290099 A1 19990916; CN 1258245 A 20000628; EP 0981430 A1 20000301; IT 1299900 B1 20000404; IT BO980155 A0 19980312; IT BO980155 A1 19990912
DOCDB simple family (application)
IB 9900389 W 19990310; AU 2541599 A 19990310; CA 2290099 A 19990310; CN 99800280 A 19990310; EP 99905130 A 19990310; IT BO980155 A 19980312