Method of manufacturing molding die

Details Method of manufacturing molding die Method of manufacturing molding die

2006-02-22

2011-12-27

Cozart, Jermie (Department: 3726)

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

C029S530000, C164S006000, C164S349000

Reexamination Certificate

active

08082652

ABSTRACT:
There are provided a method of manufacturing a molding die that can prevent occurrence of a trouble, such as break of a sand mold when a master mold is pulled out, and a molding die that can clearly transfer a pattern onto a molding. A meshed member is fixed to an entirety or part of a molding surface of a master mold, a sand mold having a molding surface with a protrusion and recess pattern thereon is fabricated by using the master mold, and a molding die having a molding surface with the protrusion and recess pattern thereon is cast by using the sand mold. The meshed member is made up of a flexible synthetic resin sheet having a number of mesh openings.

REFERENCES:
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patent: 3045015 (1997-10-01), None
Konig; “Fertigungsverfahren”; Massivumformung, 4th Ed.; 1995; pp. 6-15; vol. 4; VDI Verlag Dusseldorf; ISBN-3-18-401519-X.

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