A label winding device is for receiving a medium including a label liner and a label member that is removably attached to the label liner and has at least one label portion and a waste portion, separating the waste portion from the label liner at a waste separation portion, and winding the at least one label portion with the label liner. The label winding device includes: a waste winder for winding the separated waste portion; a label winder for winding the at least one label portion with the label liner without the separated waste portion; a waste guide for guiding the separated waste portion to the waste winder; a support for rotatably supporting the waste guide; a sensor for detecting a rotational speed of the waste guide; and a waste break detector for detecting break of the waste portion on a basis of the detection by the sensor.

A medium winding device for winding a continuous medium ejected from an image forming device includes a winding member that is rotatably arranged around which the medium is wound, an actuator that rotates the winding member to wind the medium on the winding member in a rolled state, a tension generation member that applies a tension to the medium being carried to the winding member, a roll diameter obtaining unit that obtains a roll diameter of the medium in the rolled state, wherein the roll diameter changes depending on an amount of the medium wound on the winding member, and a tension adjustment unit that adjusts the tension of the medium applied by the tension generation member depending on the roll diameter obtained by the roll diameter obtaining unit.

A printing apparatus includes a transport unit which includes a transport roller pair which transports a medium in a transport direction, a printing unit which prints onto the medium, a winding unit which winds the printed medium, and a tension application unit which applies a tension to the medium at a position between the transport roller pair and the winding unit. The tension application unit includes a pair of arms which are capable of rotating. A tension bar is supported on one end of the arms and comes into contact with the medium. The bar is rotated from an upper limit position to a lower limit position by transportation of the transport unit being performed two or more times.

A printing apparatus includes: a printing unit configured to perform printing on a sheet; a driving unit configured to apply a rotational force to a roll member that is rotatably held; and a pressing unit having a roller configured to apply a pressing force to an outer peripheral surface of a roll sheet wound around the roll member, wherein the pressing unit changes the pressing force during a sequence in which the driving unit applies a rotational force to the roll member and a sheet that has passed through the printing unit is wound.

A transport device provided in a printing apparatus includes a transport mechanism as an example of a first transport unit and a winding unit that is disposed on a downstream side of the transport mechanism in a transport direction. The transport device includes a tensile force applying unit that has a tension bar as an example of a tensile force applying member that is biased toward a medium between the transport mechanism and the winding unit and applies tensile force to the medium. Furthermore, the transport device includes a control unit that independently and intermittently drives the transport mechanism and the winding unit. The control unit controls transport start timing of the winding unit to take place later than transport start timing of the transport mechanism and causes the transport mechanism and the winding unit to transport the medium in parallel.

A printing apparatus includes: a printing unit configured to perform printing on a sheet; a driving unit configured to apply a rotational force to a roll member that is rotatably held; and a pressing unit having a roller configured to apply a pressing force to an outer peripheral surface of a roll sheet wound around the roll member, wherein the pressing unit changes the pressing force during a sequence in which the driving unit applies a rotational force to the roll member and a sheet that has passed through the printing unit is wound.

Provided is an adhesive film production apparatus for producing an adhesive film having an adhesive layer on a base material layer, the adhesive layer having an elastic modulus at 230 C. of 1 MPa or greater and having a glass transition temperature higher than normal temperature, the adhesive film production apparatus including a feeding roller; a cutting part; and a plurality of winding cores, wherein the raw film of the adhesive film is wound on the feeding roller such that the adhesive layer faces outward, and wherein in the conveyance path of the adhesive film traveling from the cutting part toward the winding core, the number of times of the adhesive layer of the adhesive film bending in a convex manner is set to be equal to or more than the number of times of the adhesive layer bending in a concave manner.

A guide film supply mechanism feeds a guide film toward a winding mechanism. The guide film is a film in which a pair of supports, which is long in the longitudinal direction of a base film and is thicker than a product film, is disposed on both side portions of the upper surface of the base film that is formed to have a width larger than the width of the product film. A product film supply mechanism feeds the product film toward the upper surface of the guide film. The winding mechanism forms a film roll by winding the product film for each guide film. The tension of the product film is set to be smaller than the tension of the guide film.

A paper conveying mechanism includes an elastic urging member provided on each side surface of an upper guide. The urging member includes a projecting portion that projects toward a side guide forming each end of a paper conveying path. An outer width of the upper guide inclusive of the projecting portion is greater than an inner width of the side guides. When a printer cover is closed, the upper guide is urged by the urging member substantially to the center of the inner width of the side guides, thereby producing gaps of substantially equal size on both sides of the upper guide in the paper width direction.

An apparatus (un-interleaver) for unwinding a roll of material interleaved with another material, and for separating the materials, includes a first platform, a second platform, a tension-sensor, an edge-sensor, and a controller. The controller monitors signals generated by the tension sensor and the edge sensor, and in response to the signals: a) causes the speed at which the second platform rotates to change to maintain a predetermined tension in the second material as the second material travels from the first platform toward the second platform, and b) causes the second platform to move relative to the first platform to align the edge of the second material traveling toward the roll of second material with the edge of the second material in the roll.