The present invention is related to a durable foam tipped applicator that can absorb and retain fluids easily. The foam material used to make the applicator tip may be used in both water-based and solvent-based fluids. A wiper insert may be used to remove excess liquid from the applicator during removal...http://www.google.fr/patents/US6238116?utm_source=gb-gplus-shareBrevet US6238116 - Foam applicator with wiper insert
