Abstract: The present invention entails a rotary cutting die having one or more scrap strippers secured thereon for stripping scrap corrugated board pieces from adjacently disposed scrap cutting blades during a corrugated board die cutting operation. Each scrap stripper comprises a resilient member having a base and an angled flexible finger extending from the base so as to define an open area between the angled finger and the base. During a die cutting operation, the entire scrap stripper including the angled finger and base is compressed as the stripper passes through the nip defined between the cutting die and an associated anvil. As the stripper exits the nip, it expands causing the underlying scrap piece to be stripped from adjacently disposed blades. In addition, the angled finger extending from the base extends outwardly and engages the underlying cut piece of scrap and pushes or urges the cut scrap against the underlying anvil.

Abstract: A rotary cutting die includes a trim stripper having a generally pentagonal shape which forcibly separates severed trim scrap from cut corrugated board, directing the scrap material generally downwardly and away from the trimmed corrugated board product. The pentagonal shaped stripping member mounts on the surface of a die board adjacent a trim cutting blade and is formed of a resilient material, such as closed cell rubber, which deforms elastically when forced into contact with the incoming blank of material. The angled nature of the stripper surface allows the stripper to smoothly contact and capture the leading edge of the blank, greatly reducing the potential for an initial destructive misalignment at the stripper-blank interface.