Process and tooling for lining molds of curved pieces

Details Process and tooling for lining molds of curved pieces Process and tooling for lining molds of curved pieces

B - Operations, Transporting

29

C

B29C 70/38 (2006.01)

Patent

CA 2594207

The invention relates to a process and tooling for the lining of molds for curved pieces, the process comprising the application of a lining (15) of width A2 on the mold (3) in several successive passes, exerting pressure thereon so that it adapts to the curvature of the piece, and the number of passes being the minimum required so that the width A2 of the tape (15) allows achieving such adaptation, and the tooling comprising a drum (25) for applying the lining (15), a means of attaching its end to the mold (3) at the beginning of each pass, a conical roller (25), to exert pressure on the lining (15) uniformly along its entire width, and means (26, 29) for its movement through side guides (27, 28) arranged on the mold (3) parallel to the curved lines (5, 7) demarcating the piece.

La présente invention concerne un procédé et un outillage pour le garnissage de moules pour pièces incurvées, le procédé consistant à appliquer un revêtement (15) de largeur A2 sur le moule (3), à exercer une pression sur celui-ci afin qu~il s~adapte à la courbure de la pièce et le nombre de passages étant le minimum requis afin que la largeur A2 de la bande (15) permette la réalisation d~une telle adaptation et l~outillage comprenant un tambour (25) destiné à appliquer le revêtement (15), un moyen de fixation de son extrémité au moule (3) au début de chaque passage, un rouleau conique (25) pour exercer une pression uniforme sur toute la largeur du revêtement (15) ainsi que des moyens (26, 29) permettant son mouvement à travers des guides latéraux (27, 28) disposés sur le moule (3) parallèles aux lignes incurvées (5, 7), démarquant la pièce.

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