作者: Jr. Henry D. Ward
DOI:
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摘要: A belt type box blank folding machine including bar folder assemblies on a downstream end thereof for engaging partially folded substantially upstanding outer panels the blanks and them downward against inner of blanks. The folders are arranged to pivot from an upright position, in engagement with panels, horizontal position simultaneously reciprocate along path travel provide maximum during thereof. parallel fold line thereby preventing twisting locking leading flaps panels.