TERMIUM Plus®

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SEAL GROOVE [5 records]

Record 1 2011-02-08

English

Subject field(s)
  • Packaging in Plastic
  • Opening and Closing Devices (Packaging)
DEF

A closure which is generally made of resilient resin, namely polyethylene, that fits on a container through pressue.

OBS

A groove inside the cap skirt matches the neck bead. The size of the cap groove is normally slightly less than the size of the mating neck bead in order to allow a tight, friction seal.

French

Domaine(s)
  • Emballages en matières plastiques
  • Modes d'ouverture et de fermeture (Emball.)

Spanish

Save record 1

Record 2 2007-11-19

English

Subject field(s)
  • Plastics Manufacturing
CONT

The core rod has a "blow by" groove. This annular groove, located near the seating shank... is needed to seal the parison and prevent excessive air loss during bottle blowing and to eliminate elastic retraction of the parison during the transfer between cavities.

OBS

Figure 82.21. Typical bottom blow core rod showing its principal elements.

Key term(s)
  • blow-by groove

French

Domaine(s)
  • Plasturgie

Spanish

Save record 2

Record 3 1997-11-26

English

Subject field(s)
  • Plastics Manufacturing
CONT

The preform mold consists of four major components: preform cavity, injection nozzle, neckring insert, and core rod assembly.

CONT

The core rod assembly... has four functions or features : It forms the interior of the preform. It supports the parison or the bottle during transfer. It is the valve where air enters to expand the parison. The valve is located either in the shoulder area or in the tip, the location being governed by the bottle or core rod length-to-diameter ratio. Wide mouth bottles(that is, core rods with low length-to-diameter ratios) will usually have a shoulder valve. The core rod has a "blow by" groove. This annular groove, located near the seating shank... is needed to seal the parison and prevent excessive air loss during bottle blowing and to eliminate elastic retraction of the parison during the transfer between cavities.

CONT

Even though the parison is exposed to the air, melt strength is not as crucial because of the support provided by the parison core rod.

OBS

See Figure 82.21 in PLMAT, p. 1085.

French

Domaine(s)
  • Plasturgie
CONT

[...] le soufflage s'effectue en général au travers du noyau.

OBS

Voir Figure 31 dans TECHN.

Spanish

Save record 3

Record 4 1982-08-10

English

Subject field(s)
  • Pipes and Fittings
OBS

Groove and shoulder type mechanical pipe couplings shall be provided with an elastomeric seal and shall be housed with a metal clamp which shall interlock with a groove or shoulder on the pipe ends.

French

Domaine(s)
  • Tuyauterie et raccords
OBS

Les raccords mécaniques pour tuyaux à rainure ou à épaulement doivent être constitués d'une garniture d'étanchéité en élastomère ainsi que d'un collier métallique s'emboîtant à une rainure ou à un épaulement aux extrémités des tuyaux.

Spanish

Save record 4

Record 5 1982-08-10

English

Subject field(s)
  • Pipes and Fittings
OBS

Groove and shoulder type mechanical pipe couplings shall be provided with an elastomeric seal and shall be housed with a metal clamp which shall interlock with a groove or shoulder on the pipe ends.

French

Domaine(s)
  • Tuyauterie et raccords
OBS

Les raccords mécaniques pour tuyaux à rainure ou à épaulement doivent être constitués d'une garniture d'étanchéité en élastomère ainsi que d'un collier métallique s'emboîtant à une rainure ou à un épaulement aux extrémités des tuyaux.

Spanish

Save record 5

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