Process for the machining of stamping parts photochemically etch

Details Process for the machining of stamping parts photochemically etch Process for the machining of stamping parts photochemically etch

1996-03-25

1999-06-29

Watts, Douglas D.

Metal tools and implements, making

Blank or process

Die

83663, B21K 520

Patent

active

059163356

ABSTRACT:
The invention relates to the machining of cutting (stamping) edges which are etched photochemically out of a carrier base and by means of which labels consisting of label material adhering releasably to a supporting web are to be cut (stamped) as a result of the rolling of the cutting edges of the label material, wherein the cutting edges are given a triangular cross-section having fluted sides by milling by means of a frustoconical milling cutter engaging the longitudinal sides of the cutting edges and rotating about its axis. The invention also relates to cutting edges obtained by the process.

REFERENCES:
patent: 2349336 (1944-05-01), Batchelder
patent: 3618438 (1971-11-01), Simson
patent: 3758350 (1973-09-01), Weglin
patent: 3789715 (1974-02-01), Schuchardt et al.
patent: 3850059 (1974-11-01), Kang
patent: 4625592 (1986-12-01), Bayens
patent: 4966054 (1990-10-01), Beck

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