Nonwoven female component for refastenable fastening device

Details Nonwoven female component for refastenable fastening device Nonwoven female component for refastenable fastening device

A - Human Necessities

44

B

A44B 18/00 (2006.01)

Patent

CA 2196662

A loop fastening material (22) having an elastomeric backing (34) joined with a nonwoven web (30). The backing (34) preferably comprises an elongated orientation, a relaxed orientation and a path of response along which the backing contracts from its elongated orientation to its relaxed orientation. The nonwoven web (30) preferably comprises filaments (36) that are secured to each other at fixed regions by inter-fiber bonds forming a nonwoven web bonding pattern comprising nonwoven web bonding pattern elements. Between the fixed regions (42) the nonwoven web (30) preferably comprises unsecured regions (35). The nonwoven web (30) is preferably joined with the backing (34) while the backing is in its elongated orientation. Construction bonds (39) forming a construction bond pattern (40) join the nonwoven web with the backing. In preferred embodiments of the present invention the construction bond pattern (40) intersects with at least two points of each nonwoven web bonding pattern element. Thus, when the backing (34) is contracted from its elongated orientation to its relaxed orientation, the unsecured regions of the nonwoven web become shirred and extend outwardly from the backing (34) to form catching regions (37) that are capable of entangling the engaging elements (28) of a complementary male fastening component (24).

Matériau de fixation côté boucles (22) possédant un support élastomère (34) réuni à un non tissé (30). Le support présente, de préférence, une orientation allongée, une orientation relâchée et un trajet de réaction le long duquel le support se contracte depuis son orientation allongée vers son orientation relâchée. Le non tissé (30) est, de préférence, composé de filaments (36) attachés les uns aux autres au niveau de régions fixes par des éléments de liaison entre les fibres constituant une configuration de liaison composée desdits éléments. Entre les régions fixes (42), le non tissé (30) comprend, de préférence, des régions non fixées (35). Le non tissé (30) est, de préférence, posé sur le support (34), tandis que ce dernier se trouve dans son orientation allongée. Des éléments de liaison de structure (39) constituant une configuration (40) réunissent le non tissé au support. Dans des modes de réalisation préférés, la configuration d'éléments de liaison de structure (40) coupe sur au moins deux points chaque élément de configuration de liaison entre les fibres. De ce fait, quand le support (34) est contracté depuis son orientation allongée vers son orientation relâchée, les régions non fixées du non tissé se froncent et s'étendent vers l'extérieur depuis ledit support (34), de manière à constituer des régions d'accrochage (37) pouvant s'accrocher aux éléments correspondants (28) d'un élément de fixation complémentaire à crochets (24).

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