Patent ID: 8695466

Claim:
An apparatus, comprising: a cutting means for cutting at least one paper log, the cutting means moving along a predetermined path, said cutting means comprising a blade and an arm, said arm being rotatable about a first stationary axis, said blade being rotatably connected to said arm such that said blade rotates, relative to said arm, about a second moving axis of said arm while the arm rotates about the first axis; a structure defining an interior periphery substantially centered around said first axis of said arm, said interior periphery extending substantially all the way around said first axis of said arm except where a paper log is held to be cut, said structure defining a channel extending along said interior periphery of said structure and extending radially away from said first axis of said arm, said arm moving about said interior periphery of said structure with said blade projecting into said channel; a cooling unit for injecting cooling fluid into a cooling area inside said channel to cool said blade, wherein narrow gaps between said blade and channel side walls permit the cooling fluid to exit, said cooling unit including a plurality of sleeves connected to said structure, said cooling fluid being injected in to said channel via at least said plurality of sleeves.