4. Plastic article or earthenware shaping or treating: apparatus
  5. Preform reshaping or resizing means: or vulcanizing means...
  6. Rod or tubular preform

Willem C. DEN Hertog

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Device for forming tube with thickened socket end

Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Rod or tubular preform
Patent

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Tube of thermoplastics with thickened end

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Plural sequential shaping or molding steps on same workpiece
Patent

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Profile ID: LFUS-PAI-P-1255246

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