作者: James W. Mullen
DOI:
关键词: Aperture 、 Engineering drawing 、 Stock (geology) 、 Blank 、 Sprocket 、 Engineering 、 Leading edge 、 Transport system 、 Mechanical engineering
摘要: A paper stock adapted to be employed in transport systems utilizing projecting pin-type sprocket drives includes at least one row of a plurality spaced-apart and aligned pin-engageable drive apertures extending the length thereof, each which is formed by partially open circular die-cut line having gap between its ends approximately 0.010 inches 0.040 inches, being oriented leading edge resulting aperture, thereby forming strengthening hinge-like connection aperture blank when such subsequently displaced, as engagement with pin on mechanism system used move through machine.