Patent ID: 7857027

Claim:
A single faced corrugated pasteboard manufacturing apparatus, comprising: a pair of corrugated rolls for corrugating a medium, supporting the corrugated medium on a surface of one corrugated roll of said pair of corrugated rolls, and bonding a liner board on said medium being supported to manufacture a single faced corrugated pasteboard sheet, a pair of facing rolls provided to face said one corrugated roll and rotatable in a same direction each other, said pair of facing rolls having a plurality of grooves formed axially in peripheral surfaces thereof, a plurality of endless members wound around said pair of facing rolls in an axial direction of said facing rolls so that the endless members fit in said grooves of said pair of facing rolls, said endless members pressing said liner board against said medium being supported on the surface of said one corrugated roll, and a fall preventing member, provided in close proximity to at least one of said pair of facing rolls, for preventing said endless members from falling off said grooves of said pair of facing rolls, wherein said fall preventing member is a guide roll arranged in parallel to said pair of facing rolls and having lands formed on a peripheral surface thereof so as to fit in said grooves.