| 摘要 |
A method is provided of continuously producing a plurality of laminated shingles, including the steps of advancing a fiber sheet, waterproofing the sheet, applying granules thereto, cutting and separating the sheet into a plurality of strips which are positioned and adhered to each other to be multi-layered, and then cutting the strips while controlling the placement of longitudinal centerlines of the strips, and cutting the multi-layers so as to form a plurality of shingles. |
