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Blade (10) for attaching to a shaft for forward movement through soil comprises an elongated nose part (12) with a tip (14) and linear front cutting edges (16, 18) lying at an angle of less than 50degrees to each other, and outer wing regions (20, 22) extending from the nose part and having linear w...

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Bibliographische Detailangaben
1. Verfasser: POUTRE, BENOIT JOCELYN
Format: Patent
Sprache:spa
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Zusammenfassung:Blade (10) for attaching to a shaft for forward movement through soil comprises an elongated nose part (12) with a tip (14) and linear front cutting edges (16, 18) lying at an angle of less than 50degrees to each other, and outer wing regions (20, 22) extending from the nose part and having linear wing cutting edges (26, 28) forming connecting points (24) with the front cutting edges. The wing cutting edges lie relative to each other at an angle of less than 75degrees. Preferred Features: The front cutting edges and the wing cutting edges enclose an angle of more than 160degrees.