A masking tape (10), for example for spray-painting, comprises a strip (11) of tearable material such as paper having an upper face, a lower face; a first pressure-sensitive adhesive layer (12) covering said lower face of said strip from one side edge thereof to the opposite side edge; a second pressure...http://www.google.com/patents/US5049445?utm_source=gb-gplus-sharePatent US5049445 - Masking tape and method for manufacturing rolls of such tape
