4. Plastic article or earthenware shaping or treating: apparatus
  5. Shaping surface including means to release or remove product...
  6. By differential gas pressure ejecting means

Harold E. Cole

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Injection mold for a bottle closure device

Plastic article or earthenware shaping or treating: apparatus – Shaping surface including means to release or remove product... – By differential gas pressure ejecting means
Patent

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Method and apparatus for injection molding

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent

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Molded safety closure device

Bottles and jars – Closures – Frangible member or portion
Patent

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Profile ID: LFUS-PAI-P-588296

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