Method for assembling a two-piece punch into a tool

Metal working – Method of mechanical manufacture – With testing or indicating

Reexamination Certificate

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Details

C029S407100, C029S465000, C029S525010, C249S059000, C072S470000

Reexamination Certificate

active

08042247

ABSTRACT:
A tool for use in a powder metal process is disclosed. The tool includes an upper tool and a lower tool. The upper and lower tools may include multiple members for each tool. The lower tool having a predetermined cross sectional profile that continuously expands outward from or near a center point of the lower tool. The lower tool is also secured within a press for the powder metal process via a fastening mechanism.

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patent: 2061001 (1990-03-01), None

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