EP 0000872 B1 19810610 - PROCESS FOR PRODUCING SHAPED ARTICLES FROM RUBBER MIXTURES IN POWDER FORM
Title (en)
PROCESS FOR PRODUCING SHAPED ARTICLES FROM RUBBER MIXTURES IN POWDER FORM
Publication
Application
Priority
DE 2738308 A 19770825
Abstract (en)
[origin: ES472805A1] A process for the production of compact, shaped articles from vulcanizable rubber mixtures in powder form by means of a screw plasticizing unit, wherein the powder-form rubber mixture is first introduced through a delivery-active feed pocket into the extruder, subsequently plasticized in a mixing zone, compacted by combining the plasticized rubber particles and subsequently shaped in plasticized and homogenized form, and an apparatus for carrying out the above process.
IPC 1-7
IPC 8 full level
B29B 7/00 (2006.01); B29C 35/00 (2006.01); B29C 45/00 (2006.01); B29C 45/17 (2006.01); B29C 45/47 (2006.01); B29C 48/395 (2019.01); B29C 48/535 (2019.01); B29C 48/55 (2019.01)
CPC (source: EP US)
B29B 7/16 (2013.01 - EP); B29B 7/429 (2013.01 - EP); B29B 7/60 (2013.01 - EP); B29B 7/7461 (2013.01 - EP); B29B 7/7471 (2013.01 - EP); B29B 7/7495 (2013.01 - EP); B29C 45/00 (2013.01 - EP US); B29C 45/47 (2013.01 - EP US); B29C 48/535 (2019.02 - EP US); B29C 48/55 (2019.02 - EP US)
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
EP 0000872 A1 19790307; EP 0000872 B1 19810610; CA 1110420 A 19811013; DE 2738308 A1 19790308; DE 2860752 D1 19810917; ES 472805 A1 19790316; IT 1106277 B 19851111; IT 7850824 A0 19780823; JP S5443988 A 19790406; US 4246224 A 19810120
DOCDB simple family (application)
EP 78100521 A 19780727; CA 309891 A 19780823; DE 2738308 A 19770825; DE 2860752 T 19780722; ES 472805 A 19780824; IT 5082478 A 19780823; JP 10193778 A 19780823; US 93547878 A 19780821