EP 0238420 B1 19891004 - APPARATUS FOR DETECTING INDIVIDUAL THREADS IN A WEB OF PARALLEL THREADS
Title (en)
APPARATUS FOR DETECTING INDIVIDUAL THREADS IN A WEB OF PARALLEL THREADS
Publication
Application
Priority
FR 8602118 A 19860213
Abstract (en)
[origin: US4727732A] This invention relates to a device for detecting the presence of an individual yarn in an advancing lap of parallel yarns, constituted by: detector disposed on one side and in the vicinity of this advancing lap, adapted to detect the presence of a yarn moved away from the lap by a blower means disposed on the other side of said lap; an arrangement, controlled by the detector, for stopping the advancing lap or for triggering off an alarm system, wherein: it is composed, in known manner, of a plurality of parallel comb teeth, between which the advancing yarns pass; and the blower is placed at the base of said teeth and directs the flow of air towards the tip of these teeth. The invention is more particularly applicable to warp knitting machines.
IPC 1-7
IPC 8 full level
D02H 13/04 (2006.01); D03D 51/28 (2006.01); D04B 35/10 (2006.01); D04B 35/16 (2006.01)
CPC (source: EP US)
D03D 51/28 (2013.01 - EP US); D04B 35/16 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE ES GB GR IT LI NL SE
DOCDB simple family (publication)
US 4727732 A 19880301; AT E46926 T1 19891015; DE 3760679 D1 19891109; EP 0238420 A1 19870923; EP 0238420 B1 19891004; FR 2594147 A1 19870814; FR 2594147 B1 19880401; JP S62276062 A 19871130
DOCDB simple family (application)
US 1473087 A 19870213; AT 87420039 T 19870210; DE 3760679 T 19870210; EP 87420039 A 19870210; FR 8602118 A 19860213; JP 3131787 A 19870213