TERMIUM Plus®

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BLOW MOLDING PROCESS [4 records]

Record 1 - external organization data 2023-04-18

English

Subject field(s)
  • Compartment - National Occupational Classification (NOC)
Key term(s)
  • blow-molding process operator-plastic manufacturing
  • blow moulding process operator - plastic manufacturing
  • blow molding process operator-plastic manufacturing

French

Domaine(s)
  • Tiroir – Classification nationale des professions (CNP)

Spanish

Save record 1

Record 2 1997-11-17

English

Subject field(s)
  • Plastics Manufacturing
CONT

Another process somewhat related to extrusion blow molding is the extrusion/molded neck process. Still used today by Owens-Illinois, this is a proprietary process that traces its roots to glass-blowing technology. It is unique in that the bottle neck finish is injection molded and the bottle body is extrusion blow-molded. In this process, the two halves of a neck finish cavity or neckring are mounted to an actuating head assembly, which intermeshes with the two halves of the blow-mold cavity. The process cycle begins with the main body mold cavity open and the neckring cavity closed. The actuating head assembly moves downward to contact the extrusion die head. When it is in position, extrusion pressure fills the neck section with plastic melt. After it is held for one to two seconds, the head assembly moves upward while, simultaneously, the parison is extruded. When the head assembly reaches the top of its stroke, the blow-mold cavity closes on the parison. The remaining steps of parison pinch-off, blowing, and part removal all follow conventional techniques. Although the production cycle is somewhat slow, the process offers the quality advantage of an accurately molded neck and the process advantage of a parison held at both ends.

Key term(s)
  • extrusion moulded neck blow-moulding process
  • extrusion moulded neck blow moulding process
  • extrusion molded neck blow molding process
  • forced extrusion blow moulding
  • extrusion/moulded neck process
  • extrusion molded neck process
  • extrusion moulded neck process

French

Domaine(s)
  • Plasturgie

Spanish

Save record 2

Record 3 1997-10-28

English

Subject field(s)
  • Plastics Manufacturing
CONT

The [continuous extrusion blow-molding] process has three subcategories: the rising mold method, the rotary method, and the shuttle method. ... In the rotary method, up to twenty clamping stations are mounted to either a vertical or horizontal wheel. As the wheel rotates past the extruder, simultaneously, a parison is captured, bottles are molded and cooled and a cooled bottle is removed. The method can provide high production yields; however, a disadvantage is the complexity and setup of the multiple mold clamps, it is usually not suited for short production runs.

Key term(s)
  • rotary-type extrusion blow molding process
  • rotary type extrusion blow moulding process
  • rotary type extrusion blow molding process
  • rotary extrusion blow moulding process
  • rotary extrusion blow molding process

French

Domaine(s)
  • Plasturgie

Spanish

Save record 3

Record 4 1997-06-03

English

Subject field(s)
  • Interiors (Motor Vehicles)
  • Plastics Manufacturing
CONT

Internal components and pre-molded accessories can be incorporated in the tanks during the blow-molding process.

Key term(s)
  • blow-moulding process
  • blow moulding process

French

Domaine(s)
  • Aménagements intérieurs (Véhicules automobiles)
  • Plasturgie

Spanish

Save record 4

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