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Sealing Technology Number 26 ConteIlts o Surface treatment yields low friction polymers l Next generation gasket material W=@c m 2 e Polyurethane u-cup double lip seal o Standard agitator seal of modular design \* Improved seal for abrasive tailings services l Heavy duty piston sealing L Measuring e
This patent describes a metal gasket that has an S-shaped longitudinal section. Metal rings may be fitted into the recesses in the section. It is claimed that the seal ring is not elastically deformed, even under a high compressive load, thus reducing fatigue failures and avoiding potential damage u
This patent describes an isolation damper for use in air delivery trunking. The damper -which may be elliptical -is provided with a seal to provide an air-tight cutoff. It can be used to shut off airflow to prevent circulation of hazardous contaminants in clean environments.
A thermoplastic elastomer material for the manufacture of seals in pharmaceutical dispensing devices is described. It is formed from a blend including a propylene component with isotactic crystallinity; and one or more polymer of polypropylene, polyethylene or their copolymers.