4. Metal deforming
  5. By use of closed-die and coacting work-forcer
  6. Forcing work into or within closed die; e.g., forging

Yoshikazu Sakamura

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Blind nut fastening method

Metal working – Method of mechanical manufacture – Assembling or joining
Patent

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Device for use in a former for automatically replacing punches

Tool changing – Including machine tool or component – Reciprocating tool machine tool
Patent

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Former having continuous forming-rolling assembly

Metal deforming – By use of tool acting during relative rotation between tool... – With metal deformation of different type
Patent

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Grooved nut and manufacturing method thereof

Threaded – headed fastener – or washer making: process and apparat – Process – Making internally threaded fastener – e.g. – nut
Reexamination Certificate

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Multi-stage cold forging machine

Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Patent

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Profile ID: LFUS-PAI-P-465495

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