Angular being lacking prevention structure and angular being lacking prevention ring of concrete manufacture

摘要

(57) Abstract Topic Angular being lacking of concrete manufacture such as hand holeIt prevents. Solutions Concrete of edge lump 1 and the like of hand holeParalleling to the corner of the product, angle of the material which is superior in abrasion proof strength it is lacking, antikon which features that stopping ring 4 is installedIt is angular being lacking prevention structure of the cleat product. Angular being lacking prevention phosphorusgu in the concrete manufacture embedding is locked in one body, is to beInstallation and removal back matter it is done possibly.