The present disclosure is directed to a paper towel product that will capably separate from the paper towel roll as a full sheet, a half sheet or a quarter sheet. A method of making a paper towel with machine direction perforations is also disclosed.

The present disclosure is directed to a paper towel product that will capably separate from the paper towel roll as a full sheet, a half sheet or a quarter sheet. A method of making a paper towel with machine direction perforations is also disclosed.

Embodiments are directed to systems and apparatuses for tracking usage of a packetized item. In one scenario, an apparatus may be provided for tracking use of a packetized item. The apparatus may include a roll of packets where each packet is designed to contain packetized items such as pills. The packets may have an electrically conductive material applied to various parts thereof. The apparatus may also include an enclosure configured to track usage of the packets. The enclosure may include a power source, a display, a transceiver, and a microcontroller that is configured to control operation of the display and may also analyze signals from the electrically conductive material to determine the distribution status of the packets. In one example, as packets are removed from the roll of packets, the microcontroller can determine when, where and how many packets were removed from the roll.

A continuous winding method produces a continuously wound electrical device, such an undulator. A continuous tape is wound about a series of turn around pins and in grooves in a magnetic core. A plurality of winding stacks are created, each transitioning to the next sequential stack by a transition tape portion extending from one turn around pin to the next turn around pin, which is position opposite with regard to the location of the pin on the magnetic core.

A continuous winding method produces a continuously wound electrical device, such an undulator. A continuous tape is wound about a series of turn around pins and in grooves in a magnetic core. A plurality of winding stacks are created, each transitioning to the next sequential stack by a transition tape portion extending from one turn around pin to the next turn around pin, which is position opposite with regard to the location of the pin on the magnetic core.

There is provided a method for cutting an adhesive film and an adhesive film that are novel and improved and capable of fabricating an adhesive film with a low glass transition point, high quality, and a width of less than 1 mm. According to an aspect of the present invention in order to achieve the above object, there is provided a method for cutting an adhesive film, the method including cutting, under a temperature environment of 40 to 10 C., an adhesive film that satisfies a condition of the following formula (1) and whose tack value per unit length under room temperature is 3N/cm or more.

y0.27x+11.4(1)

In the formula (1), x is a glass transition point ( C.) of the adhesive film, and y is a tack value per unit length (N/cm) under room temperature of the adhesive film.

There is provided a method for cutting an adhesive film and an adhesive film that are novel and improved and capable of fabricating an adhesive film with a low glass transition point, high quality, and a width of less than 1 mm. According to an aspect of the present invention in order to achieve the above object, there is provided a method for cutting an adhesive film, the method including cutting, under a temperature environment of 40 to 10 C., an adhesive film that satisfies a condition of the following formula (1) and whose tack value per unit length under room temperature is 3N/cm or more.

y0.27x+11.4(1)

In the formula (1), x is a glass transition point ( C.) of the adhesive film, and y is a tack value per unit length (N/cm) under room temperature of the adhesive film.

The invention relates to a method for producing a bobbin and a bobbin. The bobbin includes a plurality of windings of a continuous laminated sheet having at least one layer of alkaloids containing material and at least one layer of a first protective material. The at least one layer of alkaloids containing material and the at least one layer of a first protective material define an adhesion surface between them. The first protective material is selected from polypropylene, polyethylene, polytetrafluoroethylene, polyester, or paper.

The invention relates to a method for producing a bobbin and a bobbin. The bobbin includes a plurality of windings of a continuous laminated sheet having at least one layer of alkaloids containing material and at least one layer of a first protective material. The at least one layer of alkaloids containing material and the at least one layer of a first protective material define an adhesion surface between them. The first protective material is selected from polypropylene, polyethylene, polytetrafluoroethylene, polyester, or paper.

Provided is a roll body capable of effectively suppressing the occurrence of a telescope phenomenon even if the ambient temperature during transportation and storage of the roll body becomes higher than that during production of the roll body. A roll body RB according to the present invention configured by winding a belt-shaped web around a winding core that thermally expands or contracts due to an influence of a surrounding environment is characterized in that a linear expansion coefficient of the web in a thickness direction is in a range of 60 to 150 times a linear expansion coefficient of the web in a longitudinal direction, and the winding core has a linear expansion coefficient in a range of 20?10.sup.?6/K to 100?10.sup.?6/K and a Young's modulus in a range of 0.2 GPa to 0.5 GPa.