A combination of two mutually-adherent laminae is applied to the removable fixing of display or decorative material. A first lamina of PVC is a component of a tri-laminate, including an aluminum foil intermediate layer and a paper backing layer. The backing layer allows the tri-laminate to be secured...http://www.google.es/patents/US4504550?utm_source=gb-gplus-sharePatente US4504550 - Releasably mutually-adherent materials
