09:21 Jul 8, 2008 |
Spanish to English translations [PRO] Science - Environment & Ecology / emission of pollutants | |||||||
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| Selected response from: ganzinblau Spain Local time: 14:46 | ||||||
Grading comment
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Summary of answers provided | ||||
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3 +1 | cut-off blades |
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cut-off blades Explanation: http://www.freepatentsonline.com/6367533.html A cut-off blade assembly including a thin metal blade having an attachment portion by which the cut-off blade assembly can be attached to a dispenser, and a plurality of projecting similarly shaped triangular primary teeth. The triangular primary teeth each have two sides terminating in points and have bases adjacent the attachment portion that are aligned in a first direction along the blade so that their points project generally at right angles to that first direction. Edge surfaces on the sides and at the points of the primary teeth intersect a major surface of the primary teeth at an included angle of no greater than about 90 degrees to define a cutting edge at that intersection. The cut-off blade assembly further includes projections along one major surface of the primary teeth. Those projections have distal ends positioned adjacent the points of the primary teeth, have sufficient thickness at the points in a direction normal to the major surfaces of the primary teeth to restrict inadvertent contact between a person and the cutting edge of the cutting blade, and are shaped and positioned to extend only along the primary teeth to afford easy cutting of sheet material pressed against the cutting edge of the primary teeth and free movement of the end of the sheet material being cut over the primary teeth. The primary teeth may intersect each other, or may be spaced apart and the blade may include recessed secondary teeth defining portions of the cutting edge therebetween. -------------------------------------------------- Note added at 31 mins (2008-07-08 09:53:18 GMT) -------------------------------------------------- Or what they have on that site, "safe cut-off blade assembly". |
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Grading comment
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