Corrugated paper cup
The present invention relates to a double-layer corrugated paper cup applicable to 5 unmanned full-automatic manufacturing. The corrugated paper cup comprises a cup body formed by rolling a fan-shaped sheet, the fan-shaped sheet having a first straight edge and a second inclined edge, a first end of...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The present invention relates to a double-layer corrugated paper cup applicable to 5 unmanned full-automatic manufacturing. The corrugated paper cup comprises a cup body formed by rolling a fan-shaped sheet, the fan-shaped sheet having a first straight edge and a second inclined edge, a first end of the single-layer corrugated paper is staggered with and parallel to a first end of the inner cup paper and a second end of the single-layer corrugated paper is flush with a second end of the inner cup paper, a corrugated cavity region of the 10 fan-shaped sheet is flattened to form a first extruded corrugated cavity region and a thickness of the first extruded corrugated cavity region is smaller than that of a middle part of the fan-shaped sheet and a part of the first extruded corrugated cavity region is rolled outwardly together with the inner cup paper to form a rolled rim. |
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