๐”– Bobbio Scriptorium
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Operation mechanism of a closure with a ground seal

โœ Scribed by V. K. Pogodin


Publisher
Springer
Year
1977
Tongue
English
Weight
436 KB
Volume
13
Category
Article
ISSN
0009-2355

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Mechanical seal with a central component
๐Ÿ“‚ Article ๐Ÿ“… 2006 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 43 KB

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.