Bloody Hell, what a waste of a quality piece of fishing gear. They are not meant to be used in this way and I'd question whether they were really up to it. As an angler for over 25 years I've broken a few pole sections just by being a little rough with them, so chucking them in and out of a van all day can't be good for them.
Poles ( The window cleaning variety ) aren't that expensive, so invest in a proper one and leave the others for the anglers amongst us.
Unless of course you fancy a spot of fishing in your lunch break!!!