Abstract: The present invention provides a pulping method. Caustic soda is replaced with cheap lime to manufacture pulp in high efficiency, and meanwhile complexation, flocculation and acid-base neutralization of aluminum sulfate are further utilized, so as to recycle effective ingredients in a black liquid, achieve a yield approximate to a mechanical pulp yield, obtain quality of the chemical pulp, implement cyclic utilization of the black liquid and solve the pollution thereof.

Abstract: A process is defined for the continuous steam pretreatment and fractionation of bagasse to produce a concentrated cellulose solid stream that is sensitive to enzymatic hydrolysis. Valuable chemicals are recovered by fractionating the liquid and vapor stream composed of hydrolysis and degradation products of the hemicellulose. Cellulosic derived glucose is produced for fermentation to biofuels. A hemicellulose concentrate is recovered that can be converted to value added products including ethanol.

Abstract: Products having improved caliper, sheet bulk and absorbency and methods for making those products are described. The method comprises producing a multi-ply product having different emboss patterns on each ply where the emboss patterns are made up of emboss elements having an aspect ratio of from about 1 to about 2.

Abstract: Apparatus and method for recapturing and reusing heat provided in the course of fabricating a molded product.

Abstract: A three-dimensional printing system calculates a resin amount required to print a three-dimensional object by curing a liquid photo-curable resin and sequentially stacking layers of the cured resin each having a predetermined cross-sectional shape. The system includes a first storage section configured to store information of a three-dimensional object, and information of an auxiliary member that supports the three-dimensional object, a first calculation section configured to calculate a resin amount necessary to print the three-dimensional object and a resin amount necessary to print the auxiliary member based on the information of the three-dimensional object and the auxiliary member stored in the first storage section, an output section configured to output a first resin amount that is the sum of the calculated resin amounts necessary to print the three-dimensional object and the auxiliary member, and a three-dimensional printing apparatus.

Abstract: A sheet manufacturing apparatus includes a classifier unit configured to classify by air flow an introduced material that has been introduced, a screening unit configured to allow a classified material, which comprises fibers, that has been classified by the classifier unit to pass through a plurality of openings to screen the classified material, and a forming unit configured to use a passed material that has passed through the openings to form a sheet. The classified material is supplied to the screening unit by the air flow.

Abstract: A three-dimensional (3D) printing module including a tank filled with a liquid forming material, a top cover assembled on the tank to close the tank, a modeling platform assembled to the cover, and a first tenon movably disposed in the cover is provided. The modeling platform is immersed in the liquid forming material in the tank. When the first tenon is driven along a second axis, the cover and the modeling platform are driven along a first axis to open the tank. A 3D printing apparatus is also provided.

Abstract: A method for preparing stably dispersed cellulose nanofibers comprises the following steps: 1) mixing cellulose and an organic solvent, the percentage of the cellulose being 1% to 15% in weight; 2) adding an esterification agent into the resultant mixture of step 1), the molar ratio of the esterification agent to the cellulose being from 1:0.1 to 4; and 3) physically breaking the resultant mixture of step 2) until a suspension liquid with stably dispersed cellulose nanofibers of 2-1000 nm in diameter and 10-100 ?m in length is obtained, an esterification reaction of hydroxyl group(s) on the surface of cellulose fibers occurring at the time of the breaking. Also disclosed are dispersed cellulose nanofibers with improved compatibility to the matrix than the untreated cellulose and an improved strength of the composite materials.

Abstract: A masonry oven constructed with the aid of molds. An exemplary foam mold set to produce assembly pieces on site for the construction of a pizza oven. The mold set allows do-it-yourself homeowners, construction companies and the like to construct a custom pizza oven by simply pouring high˜temp concrete into various molds and assembling and finishing the assembled oven core.

Abstract: Provided are non-crosslinked foamed polyethylene resin particles that have a bulk density BD of 10 g/L or more and 100 g/L or less and are obtained by foaming polyethylene resin particles containing an antistatic agent in an amount of 0.1 part by weight or more and 3 parts by weight or less with respect to 100 parts by weight of a polyethylene resin and having a density of 0.920 g/cm3 or more and less than 0.940 g/cm3, and the non-crosslinked foamed polyethylene resin particles have a shrinkage ratio of 3% or more and 30% or less determined in accordance with Formula (1). The non-crosslinked foamed polyethylene resin particles can simply afford an antistatic molded non-crosslinked foamed polyethylene resin body that has a small shrinkage ratio with respect to mold dimension, is deformed in a small degree, and has good surface stretch.

Abstract: Fibrous structures that exhibit a Geometric Mean Elongation of greater than 12.5% as measured according to the Elongation Test Method are provided.

Abstract: A tire having aggressive tread features with improvements in uniformity that can also improve endurance is provided along with a method and apparatus for manufacturing such a tire. The tire and its manner of manufacture can achieve a reduction or elimination of certain non-uniformities that can occur during the molding of large tread blocks. The reduction or removal of these non-uniformities can improve temperature performance to provide increased tire endurance.

Abstract: The present disclosure provides high bulk tissue products, as well as an apparatus and methods for manufacturing the same. The tissue products provided herein not only have high bulk, but they also have improved surface smoothness, particularly compared to tissue products of similar basis weights.

Abstract: A system for pre-stretching a preform utilized in forming a container. The system including an oven, a conveyor system configured for transporting preforms through the oven a blow molding station having at least one mold with interior surfaces defining the shape of the container, and a transfer station configured to transfer a preform from the oven into the blow molding station. The system also includes a stretch rod and an actuator. The stretch rod is movable between retracted and extended positions such that, when in the extended position, the stretch rod is positioned interiorly of the preform and the preform is elongated by the stretch rod to form a pre-stretched preform. The stretch rod is located to form the pre-stretched preform prior to the blowing medium being introduced into the preform in the blow molding station.

Abstract: A printing head module includes a driving gear, a bi-directional motor, a first feeding module and a second feeding module. The bi-directional motor selectively drives the driving gear to rotate along a first direction and a second direction. The first feeding module disposed at a first side of the driving gear includes a first unidirectional gear and a first idler gear. The driving gear is engaged with the first unidirectional gear, and the first unidirectional gear unidirectionally drives the first idler gear to rotate. The second feeding module is disposed at a second side of the driving gear opposite to the first side, and includes a second unidirectional gear and a second idler gear, the driving gear is engaged with the second unidirectional gear to drive the second unidirectional gear to rotate, and the second unidirectional gear unidirectionally drive the second idler gear to rotate.

Abstract: An apparatus suitable for separating particles and methods for using such apparatus are provided.

Abstract: A process for recovering a primary polymer concentrate stream is provided. The process comprises routing a second mother liquor stream to a primary concentration zone to remove water from the second mother liquor stream to produce the primary polymer concentrate stream; wherein the primary concentration zone comprises at least one ultrafiltration membrane. A process is also provided to recover sulfopolyester from the primary polymer concentrate stream and to produce articles therefrom.

Abstract: Fibrous structures that exhibit a Tensile Ratio of less than 1.75 and/or less than 1.49 as measured according to the Tensile Strength Test Method described herein and a Geometric Mean Modulus (GM Modulus) of less than 1402.4 g/cm at 15 g/cm and/or a Machine Direction Modulus (MD Modulus) of less than 1253.4 g/cm at 15 g/cm and/or a Cross Machine Direction Modulus (CD Modulus) of less than 1569.2 g/cm at 15 g/cm, are provided.

Abstract: A mold for forming tilt boss includes a slider part, a main part and a core pin. The slider part is formed with a tilt groove. The main part is formed with a tilt channel. When the slider part and the first main part are engaged, a tilt-boss forming cavity is formed. The tilt-boss forming cavity is communicated with the tilt channel and coaxial with the tilt channel. The core pin penetrates the tilt channel and one distal portion thereof is slidably engaged with the tilt groove, another distal portion thereof is protruded into the tilt-boss forming cavity. When the slider part is separated from the main part for allowing the core pin to be moved from a high point to a low point of the tilt groove, the core pin is downwardly moved along the tilt channel.

Abstract: A thermoforming machine is provided having a load shaft end adjustment apparatus. The thermoforming machine load shaft end adjustment apparatus includes a load shaft, a backlash nut, a height adjustment nut, a collar, and at least one fastener. The load shaft has a threaded end segment and an axially extending key slot. The backlash nut is threaded onto the end segment. The height adjustment nut is threaded onto the end segment adjacent the backlash nut. The collar is configured to receive the height adjustment nut for rotation, having a key configured to be received within the key slot, and is configured to be mounted onto a platen of the thermoforming machine. At least one fastener extends between the backlash nut and the collar and is configured to secure together the backlash nut and collar with the height adjustment nut interposed there between. A method is also provided.