EP 0000728 B1 19810429 - METHOD AND APPARATUS FOR REMOVING VOLATILE MATTER ESCAPING DURING THE EXTRUSION OF POLYMER MELTS
Title (en)
METHOD AND APPARATUS FOR REMOVING VOLATILE MATTER ESCAPING DURING THE EXTRUSION OF POLYMER MELTS
Publication
Application
Priority
DE 2734946 A 19770803
Abstract (en)
[origin: ES472323A1] A process for removing volatile constituents which are evolved from plastic melts when extruding the latter and are drawn off together with the surrounding air. The volatile constituents are drawn off immediately as they are evolved by the plastic melt and the air containing such volatile constituents is heated immediately after entering the suction orifice, and an apparatus for carrying out this process.
IPC 1-7
IPC 8 full level
B29B 7/00 (2006.01); B29B 9/06 (2006.01); B29B 9/00 (2006.01); B29C 48/05 (2019.01); B29C 48/09 (2019.01); B29C 48/30 (2019.01); B29C 48/76 (2019.01); B29C 48/92 (2019.01)
CPC (source: EP US)
B29C 48/05 (2019.02 - EP US); B29C 48/09 (2019.02 - EP US); B29C 48/76 (2019.02 - EP US); B29C 48/832 (2019.02 - EP US); B29C 48/03 (2019.02 - EP US)
Designated contracting state (EPC)
BE CH DE FR GB NL
DOCDB simple family (publication)
EP 0000728 A1 19790221; EP 0000728 B1 19810429; AT 368945 B 19821125; AT A559378 A 19820415; AU 3845878 A 19800131; AU 525107 B2 19821021; CA 1124972 A 19820608; DE 2734946 A1 19790215; DE 2734946 B2 19800925; DE 2860648 D1 19810806; ES 472323 A1 19790216; IT 1097307 B 19850831; IT 7826045 A0 19780724; JP S5428364 A 19790302; US 4233429 A 19801111
DOCDB simple family (application)
EP 78100499 A 19780726; AT 559378 A 19780802; AU 3845878 A 19780728; CA 308632 A 19780802; DE 2734946 A 19770803; DE 2860648 T 19780726; ES 472323 A 19780803; IT 2604578 A 19780724; JP 9321578 A 19780801; US 92784878 A 19780725