One embodiment is a shrink labeler for use to shrink a shrink label onto a bottle including: a containment wall having a gas/steam inlet; and a showerhead container capable of holding the bottle in close proximity to orifices disposed therein and having an aperture through which the bottle may be introduced thereinto; wherein the gas/steam inlet is coupled to a plenum disposed between the containment wall and the showerhead container.

An oral-care implement including a filament comprising an external material and at least a first internal material. The filament includes an elongated flexible body having a length, a longitudinal axis, and a longitudinal outer surface comprising the external material, the elongated body terminating with a tip having a tip surface comprising the external material, wherein the tip surface has therein a plurality of craters distributed throughout the tip surface in a predetermined pattern, each of the craters having a surface edge of a predetermined size and a predetermined shape, walls extending longitudinally from the surface edge and comprising the external material, and a bottom comprising the at least first internal material and situated at a depth from the surface edge, the surface edge being formed by the walls and the tip surface.

The invention provides a heat-shrinkable polyester film which has sufficient heat shrinkage properties in the main shrinkage direction that is the longitudinal direction without containing a monomer component that can form an amorphous component in a large amount, and which has a low heat shrinkage and a low shrinkage stress in the width direction orthogonal to the main shrinkage direction. The film has a heat shrinkage of 15-50% in a main shrinkage direction of the film and 0-12% in a direction orthogonal to the main shrinkage direction of the film, when treated for 10 seconds in hot water of 90 C., and a maximum shrinkage stress of 2-10 MPa in the main shrinkage direction of the film when measured under hot air of 90 C. The film contains 7-30 mol % of a constituent unit derived from diethylene glycol in 100 mol % of the whole polyester resin component.

An object of the invention is to provide a method of manufacturing a three-dimensional fluid cell having three-dimensional formability with a high degree of freedom. A method of manufacturing a three-dimensional fluid cell according to the invention is a method of manufacturing a three-dimensional fluid cell using a laminate which has at least two plastic substrates and a fluid layer and in which at least one plastic substrate is a heat-shrinkable film satisfying a heat shrinkage rate of 5% to 75%, including, in order: 1) an arrangement step of arranging one plastic substrate, the fluid layer, and the other plastic substrate in this lamination order; 2) a two-dimensional fluid cell producing step of producing a two-dimensional fluid cell by sealing the fluid layer; and 3) a three-dimensional processing step of three-dimensionally processing the two-dimensional fluid cell by heating.

An object of the invention is to provide a method of manufacturing a three-dimensional fluid cell having three-dimensional formability with a high degree of freedom. A method of manufacturing a three-dimensional fluid cell according to the invention is a method of manufacturing a three-dimensional fluid cell using a laminate which has at least two plastic substrates and a fluid layer and in which at least one plastic substrate is a heat-shrinkable film satisfying a heat shrinkage rate of 5% to 75%, including, in order: 1) an arrangement step of arranging one plastic substrate, the fluid layer, and the other plastic substrate in this lamination order; 2) a two-dimensional fluid cell producing step of producing a two-dimensional fluid cell by sealing the fluid layer; and 3) a three-dimensional processing step of three-dimensionally processing the two-dimensional fluid cell by heating.

The invention provides a heat-shrinkable polyester-based film, where the heat-shrinkage ratio in the width direction is high and the irregularity of thickness is small. The heat-shrinkable polyester-based film of the present invention contains 90 mol % or more of ethylene terephthalate unit based on 100 mol % of whole ester unit, wherein, the heat-shrinkable polyester-based film satisfies the requirements: (1) heat-shrinkage ratio in a width direction measured by shrinking the film for 10 seconds in 90? C. hot water is 50%-75%, (2) heat-shrinkage ratio in a longitudinal direction measured by shrinking the film for 10 seconds in 90? C. hot water is ?6% or more and 14% or less, (3) heat-shrinkage ratio in the longitudinal direction measured by shrinking the film for 10 seconds in 70? C. hot water is ?6% or more and 6% or less, and (4) irregularity of thickness in the width direction is 1%-20%.

The invention provides a heat-shrinkable polyester-based film, where the heat-shrinkage ratio in the width direction is high and the irregularity of thickness is small. The heat-shrinkable polyester-based film of the present invention contains 90 mol % or more of ethylene terephthalate unit based on 100 mol % of whole ester unit, wherein, the heat-shrinkable polyester-based film satisfies the requirements: (1) heat-shrinkage ratio in a width direction measured by shrinking the film for 10 seconds in 90? C. hot water is 50%-75%, (2) heat-shrinkage ratio in a longitudinal direction measured by shrinking the film for 10 seconds in 90? C. hot water is ?6% or more and 14% or less, (3) heat-shrinkage ratio in the longitudinal direction measured by shrinking the film for 10 seconds in 70? C. hot water is ?6% or more and 6% or less, and (4) irregularity of thickness in the width direction is 1%-20%.

The blocking phenomenon at the time of recycling can be effectively suppressed. Provided is a heat-shrinkable polyester film derived from a first polyester resin and a second polyester resin as a plurality of polyester resins having different crystallinity, the heat-shrinkable polyester film satisfying the following characteristics (A) to (E). (A) and (B): The first polyester resin includes terephthalic acid, in which a reaction amount of ethylene glycol is in the range of 50 mol % or more and below 90 mol %, and the second polyester resin includes terephthalic acid, in which a reaction amount of ethylene glycol is 90 mol % or more. (C) and (D): When predetermined isothermal crystallization measurement is performed, an exothermic peak appears within 12 minutes from the start, including a cooling process time, and the heat quantity of the exothermic peak is 5 to 35 J/g. (E): The thermal shrinkage ratio in the main shrinkage direction as measured under predetermined conditions is 20% to 60%.

The blocking phenomenon at the time of recycling can be effectively suppressed. Provided is a heat-shrinkable polyester film derived from a first polyester resin and a second polyester resin as a plurality of polyester resins having different crystallinity, the heat-shrinkable polyester film satisfying the following characteristics (A) to (E). (A) and (B): The first polyester resin includes terephthalic acid, in which a reaction amount of ethylene glycol is in the range of 50 mol % or more and below 90 mol %, and the second polyester resin includes terephthalic acid, in which a reaction amount of ethylene glycol is 90 mol % or more. (C) and (D): When predetermined isothermal crystallization measurement is performed, an exothermic peak appears within 12 minutes from the start, including a cooling process time, and the heat quantity of the exothermic peak is 5 to 35 J/g. (E): The thermal shrinkage ratio in the main shrinkage direction as measured under predetermined conditions is 20% to 60%.

At least one infrared element arrangement having at least one infrared element (3) comprising a plurality of infrared radiators (4) is mounted on a frame moveable with respect to a synthetic filter fabric mounted to a filtering surface. The frame may have wheels or the like such that the infrared radiators may be moved along the length of the filtering surface to heat the synthetic filter fabric (6) to a temperature of 100 to 160 C. for shrinking the fabric (6) on the filtering surface (5).