4. Metal deforming
  5. By use of closed-die and coacting work-forcer
  6. Cup or shell drawing

Spiro Investment S.A.

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Connecting lengths of tubing

Pipe joints or couplings – With fluid pressure seal – With external pressure supply
Patent

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Fluid flow control valve

Fluid handling – Larner-johnson type valves; i.e. – telescoping internal valve...
Patent

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Process for forming curved hollow elements and an apparatus for

Metal deforming – By use of closed-die and coacting work-forcer – Cup or shell drawing
Patent

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