Patent ID: 7662080

Claim:
An envelope crease roller apparatus for bending a crease of an envelope in a direction opposite to that of an original fold of the crease, the apparatus comprising: (a) an envelope path for passage between first and second rollers of a portion of an envelope with an elongated crease and a flap extending from the crease; (b) the first roller having a circumferential perimeter surface, the first roller having a ridge extending at least partially around the circumferential perimeter surface of the first roller; (c) the second roller having a circumferential perimeter surface, the second roller having a channel extending at least partially around the circumferential perimeter surface of the second roller; and (d) the first and second rollers being oriented to align the circumferential perimeter surface of the first roller with the circumferential perimeter surface of the second roller wherein the ridge of the first roller extends into the channel of the second roller, and the first and second rollers being oriented relative to the envelope and envelope path to pass the elongated crease of the envelope between the ridge of the first roller and the channel of the second roller along the crease such that the first and second rollers bend the crease of the envelope in an inverted direction to that of an original fold of the crease so that the envelope assumes a planar position.