Patent ID: 6740024
Filing Date: 2004-05-25
Classification: B65H

Abstract:
In a folding station of a web-fed printing press where a printed paper web is cut into sections by a cutter cylinder while traveling on a folding cylinder, each web section having a pair of margins on opposite sides of an image area, a jaw cylinder for folding each web section into the form of a signature in cooperation with the folding cylinder, the jaw cylinder comprising:(a) means including a fixed jaw and defining in the jaw cylinder a jaw cavity extending parallel to the axis of the jaw cylinder; and (b) a movable jaw mounted in the jaw cavity for movement toward and away from the fixed jaw in order to engage and fold each web section as its midpart is inserted in the jaw cavity by a folding blade on the folding cylinder; (c) there being a less spacing between those parts of the fixed and the movable jaw which are to engage the pair of margins of each web section than between those parts of the fixed and the movable jaw which are to engage the image area of each web section.