A one-piece integrally molded tape removal hub for a temporary tape removing apparatus which includes a length of cylindrical tube and a sleeve having a noncircular through bore extending into a portion of the cylindrical tube at an end thereof. A plurality of webs extend from the outer surface of the sleeve to the inner wall of the cylindrical tube. The portion of the cylindrical tube extending from the sleeve to the opposite end of the cylindrical tube is hollow.

A paper rewinding machine includes a rewinding assembly operable to produce coreless retail paper rolls.

A paper rewinding machine includes a rewinding assembly operable to produce coreless retail paper rolls.

A one-piece integrally molded tape removal hub for a temporary tape removing apparatus which includes a length of cylindrical tube and a sleeve having a noncircular through bore extending into a portion of the cylindrical tube at an end thereof. A plurality of webs extend from the outer surface of the sleeve to the inner wall of the cylindrical tube. The portion of the cylindrical tube extending from the sleeve to the opposite end of the cylindrical tube is hollow.

A tape removal hub for a temporary tape removing apparatus which includes a hub plug having a noncircular through bore complementarily shaped to receive the noncircular shaft portion of a spool spindle shaft of the temporary tape removing apparatus and a length of pipe or tubing into which the hub plug is inserted.

A friction shaft for a slitter has winding tubes disposed on an outer surface thereof to roll unit materials formed by cutting a raw material such as various kinds of paper, fabric, or film with predetermined intervals includes a first rotary shaft, tubes, brake pads, a second rotary shaft, pressing members, first rotary tubes, second rotary tubes, first and second bearings, first elastic members, guide members, second elastic members, and lugs for clamping.

A friction shaft for a slitter has winding tubes disposed on an outer surface thereof to roll unit materials formed by cutting a raw material such as various kinds of paper, fabric, or film with predetermined intervals includes a first rotary shaft, tubes, brake pads, a second rotary shaft, pressing members, first rotary tubes, second rotary tubes, first and second bearings, first elastic members, guide members, second elastic members, and lugs for clamping.

A friction shaft for a slitter has winding tubes disposed on an outer surface thereof to roll unit materials formed by cutting a raw material such as various kinds of paper, fabric, or film with predetermined intervals. The friction shaft includes a first rotary shaft, tubes, lug bodies for torque, first fixed shafts, brake pads, a second rotary shaft, guide members, lug bodies for clamping, second fixed shafts, a plurality of lug rollers, covers, a first elastic member, and second elastic members.

A friction shaft for a slitter has winding tubes disposed on an outer surface thereof to roll unit materials formed by cutting a raw material such as various kinds of paper, fabric, or film with predetermined intervals. The friction shaft includes a first rotary shaft, tubes, lug bodies for torque, first fixed shafts, brake pads, a second rotary shaft, guide members, lug bodies for clamping, second fixed shafts, a plurality of lug rollers, covers, a first elastic member, and second elastic members.

An pneumatic plug for sealing a pipeline. The pneumatic plug includes a tubular member that extends in an axial direction from a first end to a second end. The tubular member includes a rubber layer and a fiber layer. The rubber layer extends from the first end to the second end of the tubular member. The fiber layer is disposed on a top surface of the rubber layer. The fiber layer includes a plurality of fibers that extend from the first end to the second end of the tubular member. Each of the plurality of fibers extend at an angle that is offset from the axial direction.