DE2039258
A stamper or a plurality of stampers adapted to be periodically projected from a corresponding opening in the outer skin of the vessel, the axis of each stamper including an acute angle with the normal direction of movement of the vessel, and the bottom end of each stamper being provided with a pres...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A stamper or a plurality of stampers adapted to be periodically projected from a corresponding opening in the outer skin of the vessel, the axis of each stamper including an acute angle with the normal direction of movement of the vessel, and the bottom end of each stamper being provided with a pressure plate bearing at its lower surface barbs or pawls adapted to transmit the stamper forces onto the ice. |
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