Abstract: A package inspection apparatus comprising a tray having a peg inclined for mounting a package thereon, a conveyor having a pair of chains for carrying the tray, an inspection box mounted on the conveyor, a light source and a camera mounted in the inspection box for inspecting for bunch winding and bulge winding of the package, and a package weight measuring instrument vertically movably mounted between the chains.

Abstract: The present invention provides a spun yarn winding machine which enables the double support of bobbin holders including the time when yarn is switched and capable of lengthening the bobbin holders.A spun yarn winding machine in which two bobbin holders rotated and driven are projected on a turnable turret plate and, the bobbin holders are positioned alternately at a winding position and at a standby position, respectively, includes an extreme end support device for supporting extreme ends of the bobbin holders and at the winding position and at the standby position and capable of opening the extreme end of the bobbin holder at the standby position.

Abstract: A yarn traverse apparatus method in which two sets of an upstream yarn guide engaged with a first reciprocating spiral groove R-turned within a width of a take up traverse above and below a travel direction of a yarn to always guide the yarn and a downstream yarn guide engaged with a second reciprocating spiral groove R-turned beyond the take-up traverse width to guide the yarn at opposite ends of the take up traverse width are arranged.