Diamond wire drawing die and process for manufacturing same

Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture

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428131, 428212, 428408, B21C 302

Patent

active

057596670

ABSTRACT:
A wire drawing die comprises first and second polycrystalline diamond layers made of gaseous phase synthesized diamond. The finest diamond particles of the diamond layers are made into the wire contact portion of the die.

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English Translation Of JP 63-277593

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