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Comment by kevin_thibedeau

2 hours ago

All they need is a section of threading that gets looser to release pressure while it is still retained in the top.

2 comments

kevin_thibedeau

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malfist  2 hours ago

Thats all? What happens if the jar is turned upside down in this case? What if something is set on the lid? What if the jar is with someone heading to a camp site in a 4 wheeler and it is vibrated a lot?

  • kevin_thibedeau  1 hour ago

    You have a section of threads that seal or have a gasket. This is simpler than a relief valve that can leak or collect bacteria.