US Patent 10919168 Apparatus for perforating a web material

A perforating apparatus has a first roll and a second roll, each being operatively engageable with a support. The first roll has a first longitudinal axis about which the first roll rotates and a first anvil disposed on the first roll and having a first design. The second roll has a second longitudinal axis about which the second roll rotates. A second anvil is disposed on the second roll. The second anvil has a second design. At least one blade is disposed on the support so as to cooperate in interacting relationship with one of the first anvil and the second anvil when the support is operatively engaged with the one of the first anvil and the second anvil. The apparatus comprises two alternative paths for the web material.