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- May 22, 2023
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Decided to try an alternative, dual purpose approach to jar lids. So, these jars should be able to function both as grain and LC jars.
A couple holes punched in each, then male -to-female Luer locks are JB welded in place. Why JB weld? I need the connection to the lid to be absolutely solid and stable. Silicon would offer nothing structurally.
The two lower locks get holes punched through the middle, and the one lock on top does not. The lock that doesn't have another on top is where a syringe filter will sit for gas exchange.
Now, here's where the cool shit really comes into play with this design. I can make LCs in these jars and screw a sterile syringe onto the lock without the filter to extract the solution. Or, conversely with grain, I can inject LC into the jar via the lock without the filter.
We'll see how this works out in practice. If these turn out to execute like I anticipated they will, then I'll convert a few into no tilt LC jars, and eventually upgrade to using metal Luer locks instead.
Back to work on the remaining lids...
A couple holes punched in each, then male -to-female Luer locks are JB welded in place. Why JB weld? I need the connection to the lid to be absolutely solid and stable. Silicon would offer nothing structurally.
The two lower locks get holes punched through the middle, and the one lock on top does not. The lock that doesn't have another on top is where a syringe filter will sit for gas exchange.
Now, here's where the cool shit really comes into play with this design. I can make LCs in these jars and screw a sterile syringe onto the lock without the filter to extract the solution. Or, conversely with grain, I can inject LC into the jar via the lock without the filter.
We'll see how this works out in practice. If these turn out to execute like I anticipated they will, then I'll convert a few into no tilt LC jars, and eventually upgrade to using metal Luer locks instead.
Back to work on the remaining lids...