| 摘要 |
PROBLEM TO BE SOLVED: To assure a seal over a long period of time for an edge face of a cut portion of a rubber product in which a reinforcing material such as a reinforcing canvas is embedded in layers. SOLUTION: In a structure where an edge face 3 of a cut portion in a rubber product 1 is sealed by coating it with an epoxy resin, the edge face 3 is coated with the epoxy resin after applying a trichloroisocyanuric acid thereto, wherein the epoxy resin has a Shori D hardness of 30-60 deg. or an elongation at breakage of 50-60 deg.. |
