B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
B23P 17/06 (2006.01) B23D 31/00 (2006.01) E04C 5/01 (2006.01)
Patent
CA 2730702
A method of producing steel fibres, preferably for use as concrete additive, and for the supply thereof in the production of steel fibre concrete, characterised in that to form the steel fibres (2) firstly a sheet metal strip (1) is notched either on one side or both sides, whereby steel fibre veins (4) are formed, which are initially still connected together by limbs (5), that further for subsequently converting the limbs (5) into thin easily mutually separable separation limbs forming separation surfaces which are fracture-rough and low in burring upon separation the steel fibre strip is subjected to a flexing process in which each limb (5) is subjected to multiple bending deformation about its longitudinal axis in such a way that incipient cracks are produced in the region of the limbs (5) due to fatigue fracture and thus the separation limb is produced.
Linvention concerne un procédé de production de fibres dacier à utiliser, de préférence, comme additif pour le béton, ainsi que leur acheminement lors de la production de béton renforcé de fibres métalliques, caractérisé en ce quune tôle en bande (1) est tout dabord entaillée dun côté ou des deux côtés pour la formation des fibres métalliques (2), ce qui donne des brins de fils métalliques (4) qui, dans un premier temps, sont encore reliés ensemble par des segments (5), en ce que pour transformer ensuite les segments (5) en segments de séparation minces, facilement séparables les uns des autres et formant lors de la séparation des surfaces de séparation lisses et sans arête, la bande de fibres métalliques est soumise à un processus de foulage au cours duquel chaque segment (5) est soumis à une déformation par flexion multiple autour de son axe longitudinal de manière à former des amorces de fissures de fatigue dans la région des segments et à obtenir ainsi le segment de séparation.
Cent & Cent Gmbh & Co Kg
Kirby Eades Gale Baker
LandOfFree
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