What method of closure uses air pressure created by placing the dome onto the base of a vault?

The method of closure that employs air pressure created by placing the dome onto the base of a vault is known as an air seal. This technique relies on the principles of air pressure to create a reliable seal, preventing air from escaping once the dome is securely placed. The air within the sealed area compresses as the dome is pushed onto the base, resulting in a tighter fit that enhances the integrity of the closure.

Utilizing an air seal is particularly effective for applications requiring a controlled atmosphere or protection from environmental factors, as it protects the contents from external elements. It is an efficient technique because it does not require additional materials or complex mechanisms; rather, it simply relies on the natural properties of air pressure to ensure a secure and protective sealing.

While other sealing methods, such as vacuum seals or airtight seals, may involve different techniques or mechanisms, the air seal specifically focuses on creating a tight closure through the use of air pressure as described in the query.