Work piece wrapping apparatus

A work piece wrapping apparatus for wrapping a work piece being transported along a transporting path of the work piece in a wrapping sheet, comprising:

• a wrapping sheet supply device that supplies the wrapping sheet onto a transporting path of the wrapping sheet intersecting the transporting path of the work piece;
• a delivery guide device that includes a pair of delivery guides and causes the work piece to be wrapped by pushing the wrapping sheet with the work piece which is pushed on the transporting path of the work piece so as to cause the work piece to pass through a transit aperture that is provided between the pair of delivery guides;
• and
• a spreading guide provided on a periphery of the transit aperture on a surface of each of the pair of delivery guides facing to the rear in a transporting direction of the work piece of the delivery guide device, and whose center area in a transverse direction of the work piece protrudes toward the rear in the transporting direction of the work piece so as to gradually spread the wrapping sheet out from a center area in the transverse direction of the work piece towards both edges thereof with the work piece advances through the transit aperture.