B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
B23P 15/00 (2006.01) B21D 11/00 (2006.01) B21D 11/10 (2006.01) B21D 11/20 (2006.01) B23K 26/00 (2006.01) B23K 26/03 (2006.01) B23K 26/073 (2006.01) B23K 26/08 (2006.01) B60S 1/38 (2006.01) C21D 1/00 (2006.01) C21D 1/34 (2006.01) C21D 9/52 (2006.01)
Patent
CA 2414099
An apparatus (40) for manufacturing a discrete curved product from a feed stock includes a source of heat that is adapted to impose a focused beam of light on a least one surface of a work piece to cause the surface of the work piece to expand and thereby move in the general direction of the heat source so as to impart a predetermined radius of curvature to the work piece. The apparatus is described in connection with one example where it may be employed to manufacture a curved backbone for a beam blade windshield wiper assembly form feed stock. In addition, a method of manufacturing a discrete curved product from feed stock, generally, as well as a discrete curved backbone for a beam blade windshield wiper assembly from feed stock, specifically, is also disclosed.
L'invention concerne un appareil (40) de fabrication d'un produit légèrement incurvé à partir d'un stock de départ comprenant un source de chaleur qui est conçue de manière à imposer un faisceau de lumière focalisé sur au moins une surface de la pièce à travailler afin d'entraîner l'expansion de la surface de ladite pièce, et par la même, son déplacement dans la direction générale de la source de chaleur de sorte à lui communiquer un rayon de courbure prédéfini. L'appareil est décrit en relation avec un exemple dans lequel il peut être utilisé en vue de fabriquer une armature incurvée pour former à partir du stock de départ un ensemble essuie-glace à balai. L'invention concerne, de façon générale, un procédé de fabrication d'un produit légèrement incurvé à partir d'un stock de départ, et plus particulièrement, d'une armature légèrement incurvée destinée à un ensemble essuie-glace à balai.
Jones Jerald E.
Peck David E.
Ridout & Maybee Llp
Trico Products Corporation
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