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Step 4Adding The Bag
The Pandemic Ventilator Project
To make the bag for the bellows, I used a large size Ziplock freezer bag.
Cut off the ziplock part.
Inert 1/2 inch plastic tubing into the center and use Tuck tape to seal and reinforce the edges.
The tubing should stick out of the bag far enough to be able to be slipped over the end of the 1/4 inch nipple section of piping.
The taped seam of the bellows bag should be in on the bottom plywood section.
Install the hinged cover and then the top 17 inch section.
Clamp together with the 4inch long 1/4 inch carriage bolts, two nuts and 2 washers.
To make the bag for the bellows, I used a large size Ziplock freezer bag.
Cut off the ziplock part.
Inert 1/2 inch plastic tubing into the center and use Tuck tape to seal and reinforce the edges.
The tubing should stick out of the bag far enough to be able to be slipped over the end of the 1/4 inch nipple section of piping.
The taped seam of the bellows bag should be in on the bottom plywood section.
Install the hinged cover and then the top 17 inch section.
Clamp together with the 4inch long 1/4 inch carriage bolts, two nuts and 2 washers.
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