D - Textiles – Paper – 04 – D
Patent
D - Textiles, Paper
04
D
D04D 5/00 (2006.01) A46D 1/08 (2006.01) A46D 3/05 (2006.01)
Patent
CA 2458469
An article of manufacture has elongated members connected to a base string. The articles can be used as bristle subassembly, carpet subassembly, and a variety of other products. Articles are made by wrapping a strand around a mandrel (26) to form a plurality of wraps, and then base strings (29, 30, 44, 46) are bonded to the wraps. After cutting the wraps along one side of the base strings, a plurality of subassemblies (64, 66, 68, 70, 72, 74, 76) are formed. These are fed to a second mandrel (90), which carries wraps (92) formed by a second strand. The base strings of the subassemblies are then bonded to the wraps (92) of the second mandrel (90). After cutting along the base strings, a plurality of modified subassemblies are formed with two rows of elongated members formed from the two sets of wraps. The apparatus for forming the subassemblies can include a conditioning device to further enhance the connection of the elongated members to the base strings, and also to smooth the ends of the elongated members where they were cut.
L'invention concerne un article de fabrication comprenant des éléments allongés reliés à une corde de base. Ces articles peuvent être utilisés comme sous-ensemble de crins, sous-ensemble de tapis ou divers autres produits. Pour fabriquer ces articles, on enveloppe un fil autour d'un mandrin (26) afin de former une pluralité de rouleaux, puis on attache les cordes de base (29, 30, 44, 46) aux rouleaux. Après avoir coupé les rouleaux sur un côté des cordes de base, on obtient une pluralité de sous-ensembles (64, 66, 68, 70, 72, 74, 76) que l'on introduit dans un second mandrin (90), lequel contient les rouleaux (92) formés par un second fil. On attache ensuite les cordes de base des sous-ensembles aux rouleaux (92) du second mandrin (90). Après avoir coupé les cordes de base sur leur longueur, on obtient une pluralité de sous-ensembles modifiés comportant deux rangées d'éléments allongés à partir des deux ensembles de rouleaux. L'appareil qui permet de fabriquer les sous-ensembles peut comprendre un dispositif de conditionnement afin de renforcer la connexion des éléments allongés aux cordes de base et de lisser les extrémités des éléments allongés à l'endroit où ils ont été coupés.
Brown Robert M.
Edwards Mark Stephen
Reed Winship S. III
Troutner Truman C.
Bennett Jones Llp
Brown Robert M.
E. I. Du Pont de Nemours And Company
Edwards Mark Stephen
Reed Winship S. III
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