What does blow molding mean?

blow molding meaning in Law Dictionary

Making hollow molds by warming synthetic inside two items of the mold. The inside is full of environment. Reference injection molding.

blow molding meaning in Business Dictionary

procedure of creating hollow, single-piece articles (containers, cans, jars) by growing an item of hot synthetic (known as parison) up against the internal areas of a heated two-piece mold, with compressed air. See in addition injection molding.