Global patent index - EP 0981430 A1

EP 0981430 A1 2000-03-01 - 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

EP 0981430 A1 (EN)

Application

EP 99905130 A

Priority

  • IB 9900389 W
  • IT BO980155 A

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 (main, further and additional classification)

B29C 35/02; B29B 13/08

IPC 8 full level (invention and additional information)

B29B 13/02 (2006.01); B29C 35/02 (2006.01)

CPC (invention and additional information)

B29C 35/0261 (2013.01); B29B 13/022 (2013.01); B29K 2105/251 (2013.01)

Citation (search report)

See references of WO 9946098A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE

EPO simple patent family

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 A1 19990913; IT BO980155 D0 19980312

INPADOC legal status

2002-04-03 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20010814

2001-03-21 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20010201

2000-03-01 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19991206

2000-03-01 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE