APPAREIL ET PROCEDE POUR ENDUIRE DE LIQUIDE LA PAROI EXTERIEURE D'UN TUBE SOUPLE GONFLE SE DEPLACANT LONGITUDINALEMENT

摘要

The exterior wall of an inflated flexible tubing is moved through an inner opening of a first flexible and resilient means and displaces the opening edge while liquid is applied by rubbing contact. The liquid coating is then smoothed by movement through the inner opening of a rotating second flexible and resilient means.