Patent ID: 7666277

Claim:
Apparatus comprising: a mating roll; a shoe roll for treating a product web, the shoe roll having a stationary carrier; a flexible roll shell which can rotate around the stationary carrier and has an extended nip; a press shoe having a hydrodynamically lubricated running surface and which supports the flexible roll shell in the region of the extended nip; and a device for applying lubricant into the inner side of the flexible roll shell; wherein in an inlet region, the press shoe has a plurality of holes having outlet openings which are arranged transversely with respect to a machine running direction, said holes being connected to a lubricant supply in order to receive lubricant and deliver said lubricant to the running surface, said holes providing a pressure drop of 5 to 15 bar, wherein the lubricant supply is provided via a pump having a pressure or delivery rate regulated separately from the outside via a pressure regulating valve, and wherein the outlet openings of the holes are present only in a first half of the shoe with respect to the running direction where the hydrodynamic pressure first builds up.