Global Patent Index - EP 1238698 A1

EP 1238698 A1 2002-09-11 - Static mixer

Title (en)

Static mixer

Title (de)

Statikmischer

Title (fr)

Melangeur statique

Publication

EP 1238698 A1 (DE)

Application

EP 02000849 A

Priority

DE 20103983 U

Abstract (en)

The static mixer (10) contains screw-like mixing sections (16, 18) of differing pitch. Preferred Features: The mixing sections form a sequence alternating between greater and lesser pitch. Their pitches differ. The mixing sections differ in their sense of rotation. The initial edge of one section, is offset at an angle with respect to the terminal edge of the preceding section. Mixing sections with smaller pitch, are shorter than those with greater pitch, measured along the length of the channel (14). The sections of smaller pitch, have a length about 0.5 times the channel diameter. Those with greater pitch have a length of 0.9-1 times the channel diameter. A mixing section has an angle of rotation of about 180 degrees .

Abstract (de)

Die Erfindung betrifft einen Statikmischer (10) zum Mischen zweier, insbesondere pastöser Materialkomponenten, bspw. eines Binders und eines Härters eines Kunstharzmörtels. Der erfindungsgemäße Statikmischer (10) weist eine Injektionskanüle (12) als Gehäuse auf, in der axial hintereinander eine Anzahl schneckenförmiger Mischelemente (16, 18) angeordnet sind, die einstückig miteinander sein können. Erfindungsgemäß weisen die Mischelemente (16, 18) abwechselnd eine kleinere und eine größere Steigung auf und sind abwechselnd rechts- und linksgängig. Auf diese Weise wird eine gute Durchmischung der Materialkomponenten bei vergleichsweise niedriger Durchpresskraft erreicht. <IMAGE>

IPC 1-7 (main, further and additional classification)

B01F 5/06; B01F 13/00; B05C 17/005; B65D 81/32

IPC 8 full level (invention and additional information)

B01F 5/02 (2006.01); B01F 3/10 (2006.01); B01F 5/06 (2006.01); B01F 13/00 (2006.01)

CPC (invention and additional information)

B01F 5/0615 (2013.01); B01F 13/002 (2013.01)

Citation (search report)

Designated contracting state (EPC)

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

EPO simple patent family

DE 20103983 U1 20020711; AT 285837 T 20050115; CZ 20020853 A3 20021016; DK 1238698 T3 20050207; EP 1238698 A1 20020911; EP 1238698 B1 20041229; ES 2233720 T3 20050616; HU 0200380 A2 20030128; HU 0200380 A3 20030428; HU 0200380 D0 20020328; HU 222906 B1 20031229; PL 352647 A1 20020909

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