B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 53/26 (2006.01) B29D 99/00 (2010.01) B29C 70/30 (2006.01)
Patent
CA 2650526
The method comprises the steps of: providing a planar strip (10) of fibre preimpregnated with resin, which has a longitudinal direction and a transverse direction; corrugating the planar strip (10) to form a corrugated strip (11) with a plurality of zigzag folds parallel to said longitudinal direction; and compacting said corrugated strip (11) in said transverse direction in order to place in contact and to join, one to the other, surfaces of said plurality of folds in order to form a solid profile (12). The apparatus includes: a corrugating unit with a pair of corrugating rollers provided with matching circular striations suitable for corrugating said planar strip (10); and a compacting unit that comprises at least one pair of facing, lateral rollers suitable for compacting said corrugated strip (11) laterally until said solid profile (12) is obtained.
Le procédé comprend les étapes suivantes: apport d'une bande plate (10) de fibre pré-imprégnée de résine à directions longitudinale et transversale; ondulation de la bande plate (10) pour obtenir une bande ondulée (11) dotée d'une pluralité de plis en zigzag parallèles à la direction longitudinale; et compactage de la bande ondulée (11) dans la direction transversale pour mettre en contact et assembler les surfaces de la pluralité de plis afin d'obtenir un profilé plein (12). L'appareil comprend une unité d'ondulation pourvue d'une paire de rouleaux onduleurs dotés de stries circulaires conjuguées aptes à onduler la bande plate (10), ainsi qu'une unité de compactage comportant en regard au moins une paire de rouleaux latéraux aptes à compacter latéralement la bande ondulée (11) afin d'obtenir le profilé plein (12).
Fetherstonhaugh & Co.
Serra Soldadura S.a.
LandOfFree
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