作者: Edward Podosek , Donn W. Meade
DOI:
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摘要: A two-ply cover for a writing tablet is formed by unitary die-cut blank of sheet material having an inner panel and outer folded approximately along medial fold line sealed at their edges to form pocket therebetween. The edge portions the two panels are adhesively bonded back, upper portion tablet. corresponds width while consists tab substantially narrower than cover. fractional part panel's superposed with adhesiver interface between back surface that not coextensive tab.