Method for the production of tools for deep drawing, moulding, e

Details Method for the production of tools for deep drawing, moulding, e Method for the production of tools for deep drawing, moulding, e

1975-05-20

1980-11-04

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Stratified or layered articles

76107R, 164 45, 164 46, 264123, 264225, 264227, 264338, B29C 102, B22C 700, B21K 520

Patent

active

042319820

ABSTRACT:
An exact replica of a tool for deep drawing, moulding, extruding and the like is manufactured by a method according to the present invention by thermally spraying the wearing surface of the tool to be produced onto a negative replica of the tool to be produced, said last replica being constituted of an easily fusible metal with a lower melting point than the plastic material used for backing up (1) the easily fusible negative replica and (2) the thermally sprayed wearing surface of the tool. According to the method of the invention the wearing surface of the tool can be constituted of steel, carbide or oxide.

REFERENCES:
patent: 2515017 (1950-07-01), Nicholson
patent: 3228650 (1966-01-01), Gilliland et al.
patent: 3343430 (1967-09-01), Hoat et al.
patent: 3405212 (1968-10-01), Fraser et al.
patent: 3565978 (1971-02-01), Folger et al.

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