| 摘要 |
<p>A mold assembly including a plurality of mold components configured to form a mold cavity having a desired shape, at least one of the mold components having a notch configured to form a set-back flange in a masonry block formed in the mold cavity, the notch having a depth. The mold assembly further includes a moveable flange plate and a drive assembly configured to extend the moveable flange plate into and retract the moveable flange plate from the notch within a desired range of distances so as to adjust the depth of the notch.</p> |
