Porch Enclosure

I am building a device for an engineering class. I am looking for a tube that inflates vertically. Two ideas crossed my mind… The first was the old school hot wheels toy that had a push pump to launch cars. Our device would require inflating up but the idea is the same. The other is the large device you see in tv ER rooms that breaths for people. An tube moving up and down in a plastic enclosure.

I know this is very vague but all I need is a name for those types of tubes.
A bottle is a similar idea… But I need to be able to expand and collapse the object using air.
An axial pneumatic seal is the closest thing I have found.

If anyone else has some other ideas let me know.

What about an accordion style sports bottle?

Posted enclosure plastic |