| 摘要 |
An improvement in pavement repair consists of a ready-to-use molded special asphalt composition plug which is intended for filling small holes in pavements. The invention also embraces an improved package in which numerous asphalt plugs are contained in a gang type disposable plastic matrix which serves the triple function of manufacturing mold and multiple container for shipping and storing the plugs until they are desired for use in repairing pavement holes. The special composition plug is at least 50 percent by weight of A.S.T.M. asphalt D-312, Types I, II, III and IV containing about 2 to 4 percent by weight of rubber. An optional third ingredient is up to 30 percent by weight of finely divided limestone or portland cement.
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