B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
B26D 1/02 (2006.01) B26F 3/02 (2006.01)
Patent
CA 2235728
A cutting blade (30) for cutting sheet materials such as plastic film or metal foil is provided. The cutting blade (30) incorporates a row of cutting teeth (50) projecting from a flat surface. The depth of cut of the cutting blade (30) is limited by the height that the cutting teeth (50) project from the flat surface. In addition, by spacing the cutting teeth (50) sufficiently closely together, the cutting teeth (50) provide a bearing surface sufficient to support human skin so that the cutting blade (30) cuts plastic film and metal foil but does not easily puncture human skin.
Lame tranchante (30) permettant de découper des matériaux en feuille tels que film plastique ou feuille métallique. La lame tranchante (30) comporte une rangée de dents coupantes (50) formant saillie par rapport à une surface plate. La profondeur de coupe de la lame (30) est limitée par la hauteur de la saillie que la dent coupante (50) forme par rapport à la surface plate. De plus, l'espacement des dents coupantes (50) est suffisamment resserré pour que ces dents coupantes (50) forment une surface d'appui suffisante pour servir de support à la peau humaine. Ainsi, la lame (30) découpe le film plastique et la feuille métallique mais n'entame pas facilement la peau humaine.
Borden Ladner Gervais Llp
Frank Armin C.
LandOfFree
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