PURPOSE: To facilitate a plan modification due to a size change on a shoe footwear and make the layout of a design and a work easy, by making a mold for a footwear sole to have an inclination raised toward a heel part.
CONSTITUTION: The prototype of which one end A is made a mountain shape having a circular arc and a surface is provided with a design is made from gypsum, clay wood, wax etc. and a sand mold for precision casting is made from this. Corrosion-resistant aluminum for casting is melted, poured and the design part of a mold is cast. Each face of a cast block is finished and the blocks are assembled in an iron sheet made frame 3, 4, fixed by a screw 2 and the mold is furnished. By the above a plan modification due to a size change of a shoe footwear is facilitated and reuse of a base plate is made possible even in a design change.
YAMAWAKI KANTAROU
JPS52100567A | 1977-08-23 | |||
JPS5436853A | 1979-03-17 | |||
JPS561104A | 1981-01-08 |
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