Method and apparatus for forming sealing devices on fasteners

Details Method and apparatus for forming sealing devices on fasteners Method and apparatus for forming sealing devices on fasteners

B - Operations, Transporting

29

C

B29C 45/14 (2006.01) B21D 53/36 (2006.01) F16B 2/24 (2006.01)

Patent

CA 2491600

A method and apparatus for forming sealing and/or retaining elements on a wide variety of fastening devices is provided. The fasteners are conveyed on fastener nests each having a chamber, a fastener lock and a fastener release that are moveable relative to each other. The fasteners then have material applied to them which is cured while the fasteners are in the nests on the conveyor. The fasteners with the sealing and/or retaining element formed thereon are then removed therefrom. A novel fixture for holding fasteners to be processed and an element sealing device having a fastener with a resilient sealing element adhered to a portion thereof with a depression formed therein in close proximity to a portion of the fastener is also provided.

L'invention concerne un procédé et un dispositif permettant de former des éléments de scellement et/ou de fixation sur une large variété d'organes d'assemblage. Ce procédé consiste à transporter les organes d'assemblage sur des supports comprenant chacune une alvéole, un système de verrouillage d'organe d'assemblage, et un système de libération d'organe d'assemblage, et pouvant se déplacer l'un par rapport à l'autre. Un matériau est appliqué sur les organes d'assemblage, et ce matériau est traité pendant que les organes d'assemblage se trouvent toujours dans les supports du transporteur. Après que l'élément de scellement et/ou de fixation est formé sur les organes d'assemblage ces derniers sont extraits du transporteur. L'invention concerne également un nouvel accessoire permettant de maintenir les organes d'assemblage à traiter, et un dispositif de scellement d'élément comprenant un organe d'assemblage sur lequel est collé un élément de scellement souple appliqué sur une partie de l'organe d'assemblage, cet élément de scellement comprenant un creux formé à proximité immédiate d'une section de l'organe d'assemblage.

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