Enveloping, Rim Mounting & Double Envelope System
a) The built tyres are then mounted with envelops and rims to prepare them for curing.
b) For enveloping, tyres are first fitted an outer envelope at the envelope-mounting table before the inner envelope is fitted into them. The enveloped tyres are then vacuumed out for preparation prior to curing. Modern plants have their casings hoisted by monorail systems.