Method and apparatus for making shoe lasts and/or shoe components
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United States of America Patent
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Apr 4, 1989
Grant Date -
N/A
app pub date -
Oct 15, 1987
filing date -
Oct 15, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for making shoe lasts, involves digitizing on the fly a large number of sample points on the outer surface of a model last representing a particular shoe style to produce a model last digital file representing the three-dimensional surface contour of the respective model last; grading the model last digital file to produce one or more graded last digital files each representing a different last size of the respective shoe style; and utilizing each of the graded last digital files to produce a graded shoe last of the respective shoe style. The invention may also be utilized for making graded components of shoes, and for modifying shoe styles or creating new shoe styles by CAD/CAM techniques.
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