Improvements in belt seams

F - Mech Eng,Light,Heat,Weapons – 16 – G

Patent

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Details

F16G 3/04 (2006.01)

Patent

CA 2711662

A clipper seam (13) for joining the ends (11, 12) of a belt (10), are connected by interdigitated staples (15, 16) which are looped about a pintle (14) and provide (barbs 17) on their remote ends to penetrate into the material of the belt. Each end (11, 12) is covered by an edge strip (18, 19) of vinyl by radio frequency welding, and a flap is attached to one end (12) on the low pressure side (40) of the belt by a (portion 20), and folded over to cover the seam on the low pressure side by means of a (flap 22) which extends beyond the seam area of the other end (11). A central area (25) to each side of the seam is impregnated with polyurethane to resist abrasion which tends to concentrate in this area.

L'invention a pour objet une couture à crochets (13) servant à joindre les extrémités (11, 12) d'une ceinture (10) qui sont reliées par des agrafes interdigitées (15, 16) qui forment une boucle autour d'un pivot central (14) et qui créent des ardillons (17) sur leurs extrémités éloignées afin de pénétrer dans la matière de la ceinture. Chaque extrémité (11, 12) est recouverte d'une bande de bordure (18, 19) en vinyle grâce au soudage par radiofréquences, et un rabat est fixé à une extrémité (12) sur le côté faible pression (40) de la ceinture par une partie (20), et rabattu pour recouvrir la couture sur le côté faible pression à l'aide d'un rabat (22) qui s'étend au-delà de la zone de couture de l'autre extrémité (11). Une zone centrale (25) sur chaque côté de la couture est imprégnée de polyuréthane afin de résister à l'abrasion qui a tendance à se concentrer dans cette zone.

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