Eyelet for reinforcing the edge of a hole in a carrier web...

A - Human Necessities – 44 – B

Patent

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Details

A44B 13/00 (2006.01) A41H 37/02 (2006.01)

Patent

CA 2418293

The invention relates to a ringless eyelet (10') comprising a plate (11) arranged on the display side (23) of the carrier strip (20), and a tube-shaped collar penetrating the hole in the carrier strip. The hem of the collar of the eyelet element (10') is supported on the rear side (24) of the carrier strip (20). The aim of the invention is to connect the eyelet to the carrier strip (20) faster and in a more cost-effective manner. In order to achieve this, the free end part of the collar of the eyelet element (10') is provided with projections (16). An essentially closed ring profile (50), into which the collar projections (16) are integrated, is created when the collar is hemmed. After hemming, pressure points (40) are created on the carrier strip (20) between the collar projections (16) and the abutment surfaces (49) formed by the plate (11), said pressure points reliably holding the carrier strip (20). Said carrier strip (20) extends namely inside (51) the ring profile (50) beyond the pressure points (40). An eyelet is obtained using only one individual eyelet element (10'), said eyelet being arranged on the carrier strip (20) and having particularly high resistance to being torn out.

L'invention fait intervenir un élément d'oeillet sans rondelle (10') comportant un disque (11) s'appuyant sur l'endroit (23) de la bande porteuse (20), et un col tubulaire traversant le trou dans la bande porteuse. Le bord rabattu du col de l'élément d'oeillet (10') s'appuie sur le côté arrière (24) de la bande porteuse (20). L'invention vise à réaliser une liaison plus rapide et économique de l'oeillet sur la bande porteuse (20). A cet effet, l'extrémité libre du col de l'élément d'oeillet (10') est pourvue de saillies (16). Lors du rabattage du col, un profilé annulaire fermé (50), dans lequel les saillies de col (16) sont intégrées, est créé. Après rabattage, des zones d'appui (40) saisissant efficacement la bande porteuse (20) sont créées sur la bande porteuse (20) entre les saillies de col (16) et des surfaces de butée (49) formées par le disque (11). La bande porteuse (20) s'étend au-delà des zones d'appui (40) à l'intérieur (51) du profilé annulaire (50). Ainsi, il est possible de réaliser avec un seul élément d'oeillet (10'), un oeillet logé sur la bande porteuse (20) avec une résistance à l'arrachement particulièrement élevée.

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