EP 0735546 A1 19961002 - Laying wire around core
Title (en)
Laying wire around core
Title (de)
Drahtverlegung rundum einer Seele
Title (fr)
La pose de fils autour d'un âme
Publication
Application
Priority
- EP 96200701 A 19960314
- EP 95200769 A 19950328
Abstract (en)
A method of laying a layer of at least one steel wire (18) around a core (12), said at least one steel wire consisting of several lengths, each of said lengths having a leading end and a trailing end ; said method comprising following steps : (a) connecting the trailing end of the lengths to the leading end of a subsequent length resulting in at least one steel wire with affected zones in the neighbourhood of the connections and in non-affected zones elsewhere, the non-affected zones having a yield strength which is substantially greater than the yield strength in the affected zones ; (b) subjecting said at least one steel wire (18) to a first torsion in a first direction and to a first extent necessary to plastically deform said at least one steel wire into a helically twisted configuration about its longitudinal axis ; (c) subjecting said at least one steel wire (18) to a second torsion in a second direction opposite to said first direction and to a second elastical extent necessary to avoid that said helically twisted configuration would concentrate mainly on said affected zones ; (d) wrapping said at least one steel wire (18) around said core (12). <IMAGE>
IPC 1-7
IPC 8 full level
H01B 13/26 (2006.01)
CPC (source: EP)
H01B 13/26 (2013.01)
Citation (search report)
[A] DE 3919135 A1 19901213 - NORDDEUTSCHE SEEKABELWERKE AG [DE]
Designated contracting state (EPC)
BE DE FI FR GR IT SE
DOCDB simple family (publication)
DOCDB simple family (application)
EP 96200701 A 19960314