| 摘要 |
A device for investigating a lace tightening with frictional pulling-over of an upper includes a base and a location vee, arranged thereon, for adjoining a supporting plane of a shoe last to the upper pulled over onto the latter, along the perimeter of which a flexible strength member is introduced. It is equipped with a device for determining graduation level of loadings onto a tightening edge of the upper and measuring transverse deformation made as two vertical supports with dynamometers, fixed on the base, arranged in the direction transversal to the last, and a movable support with a digital camera and/or a measuring microscope. A device is supplemented with an arrangement for the even distribution of deformation in forward and rear parts of the upper made as two air tube conveyers with frictional pressing frames arranged in vertical and longitudinal directions to the last. |
