Global Patent Index - EP 2405039 A1

EP 2405039 A1 20120111 - Drafting device for spinning machinery

Title (en)

Drafting device for spinning machinery

Title (de)

Streckvorrichtung für Spinnmaschine

Title (fr)

Dispositif d'étirage pour machine de filature

Publication

EP 2405039 A1 20120111 (EN)

Application

EP 10007018 A 20100707

Priority

EP 10007018 A 20100707

Abstract (en)

Drafting device (10) for use in spinning machinery and for drafting discontinuous fibers, such as cotton, linen, wool, jute, ramie, hemp or man-made fibers, with a pair of feed rollers (2), a pair of draft rollers (3), a pair of control rollers (4) and a pair of delivery rollers (5), being arranged in this order in a rove feed direction (F) defining a drafting zone (D) composed of three sub-drafting zones (A, B, C), whereby the rollers (2, 3, 4) are driven at a respective predetermined speed in such a manner that a drafting action is exerted on the rove (1), wherein said control rollers (4) are both provided with an active drive mechanism and said control rollers (4) are mounted in a fixed but contact-free manner with a defmed control gap (6) between them of a predetermined dimension.

IPC 8 full level

D01H 5/22 (2006.01); D01H 5/44 (2006.01); D01H 5/56 (2006.01)

CPC (source: EP)

D01H 5/22 (2013.01); D01H 5/44 (2013.01); D01H 5/56 (2013.01)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

Designated extension state (EPC)

BA ME RS

DOCDB simple family (publication)

EP 2405039 A1 20120111; EP 2405039 B1 20161130; BR 112013000329 A2 20170725; CN 102971455 A 20130313; CN 102971455 B 20170215; WO 2012003972 A1 20120112

DOCDB simple family (application)

EP 10007018 A 20100707; BR 112013000329 A 20110706; CN 201180033174 A 20110706; EP 2011003350 W 20110706