Method and apparatus for making shoe lasts and/or shoe component

Details Method and apparatus for making shoe lasts and/or shoe component Method and apparatus for making shoe lasts and/or shoe component

1988-10-12

1989-12-05

Meyers, Steven N.

Boot and shoe making

Miscellaneous

Assembly machines

12146L, A43D 104, A43D 100

Patent

active

048843091

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 soe 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.

REFERENCES:
patent: 3577578 (1971-05-01), Alexander
patent: 3696456 (1972-10-01), Dunham et al.
patent: 3790978 (1974-02-01), Comdamine et al.
patent: 4412364 (1983-11-01), Mateo
patent: 4458689 (1984-07-01), Sorenson et al.
patent: 4541054 (1985-09-01), Peck et al.
patent: 4745290 (1988-05-01), Frankel et al.

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