| 摘要 |
<p>A paper cup includes a paper cup body and a base (2, 8). The surface of the paper cup body is provided with concave convex reinforcing ribs (3). Said paper cup body is a single-layer paper cup body (1) or a double layer paper cup body. Said double layer paper cup body is comprised of an inner layer paper cup body (9) and an outer layer paper cup body (10), The inner surfaces or the outer surfaces of each layer paper cup body are provided with concave convex reinforcing ribs (3), the surface comprised of said concave convex reinforcing ribs (3) is concave convex surface (11), and said inner layer paper cup body (9) is hermetically adhered to said outer layer paper cup body (10). Also disclosed here is a paper cup manufacturing process. Said paper cup has better heat insulation effect and skid-proof effect because of the concave convex shape.</p> |
