DEVICE FOR CONTROLLING THE FLOW OF A CRYOGENIC MEDIUM
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United States of America Patent
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Issued Date -
Aug 29, 2024
app pub date -
Jun 24, 2022
filing date -
Jun 25, 2021
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Abstract
A process for cooling products is known in which a cryogenic medium, for example liquid nitrogen, liquid oxygen, or liquid carbon dioxide, is metered directly into a container which contains the product. In the event of damage to a fitting which conducts the cryogenic medium, parts of the material of the fitting can reach the product. While this can be quickly ascertained by metal detectors when using metal materials, a comparable verification can only be carried out with difficulty when using plastic parts. According to the invention, plastic elements contained in the device, such as seals for example, are made of a plastic which is mixed with metal additives. In the event of damage, particles originating from the plastic elements can thus also be reliably detected by metal detectors.
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