| 摘要 |
A cutter-type apparatus is mounted on a tractor for positioning and locomotion to remove coatings from planar supporting surfaces of concrete, steel or similar materials. The apparatus defines a cutter that is variably positionable from horizontal to vertical to remove coatings from surfaces oriented in such directions. The cutter provides a plurality of spaced spirally arrayed teeth, of particular configuration, arrayed on a powdered cylinder to remove surface coatings substantially by cutting and to leave the original supporting surface substantially intact. A cover aids in preventing injury or damage from access to the cutter and, in association with a water spray system, aids in preventing overheating of the cutter and in collecting and containing debris.
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