Abstract: A method is provided for shaping a custom dental restoration from a preform, wherein the preform comprises a preform body and a preform stem. A method is further disclosed for generating one or more nesting positions for the restoration design within the geometry of the preform body relative to the position of the preform stem. A method is further disclosed for generating machining instructions based on the selected nesting position to optimize machining for chair-side applications.

Abstract: A system having at least one dental blank and an associated shade guide. The dental blank exhibits a non-uniform color shading, and the shade guide comprises a plurality of shade specimens each exhibiting a particular color shading representing the same color shading present in a partial area within the dental blank. A method of making a dental restoration includes the use of the system. The invention facilitates making a dental restoration having a color shading resembling the color shading of a natural tooth.

Abstract: A manufacturing apparatus for manufacturing a resin container includes an injection molding part configured to injection-mold a preform, and a temperature adjustment part configured to adjust a temperature of the preform molded in the injection molding part, in which the manufacturing apparatus is configured to blow-mold the preform whose temperature has been adjusted in the temperature adjustment part, the preform is inserted into the temperature adjustment part in a state where an outer surface temperature of the preform is higher than a glass transition temperature of the preform by 30° C. or higher and 60° C. or lower, and the preform is cooled to a predetermined temperature suitable for blow molding in the temperature adjustment part.

Abstract: A workpiece unit including a workpiece body having a protruding portion; and a holding member arranged on at least a part of an outer side of the protruding portion.

Abstract: Disclosed are example embodiments of methods and systems for identifying and quantifying manufacturing defects of a manufactured dental prosthesis. Certain embodiments of the system for performing quality control on manufactured dental prostheses includes: an analysis module to best fit a scanned 3D data model of a manufactured dental prosthesis with a computer-aided design (CAD) model of the same manufactured dental prosthesis and to generate a differences model; and a quality controller to determine whether the manufactured dental prosthesis is a good or a defective product based on a statistical characteristic of the differences model.

Abstract: A method of manufacturing a cover glass is provided. The method comprises providing a glass base; forming a glass support portion by printing glass onto the glass base; and applying glass wool onto the glass support portion.

Abstract: A dental zirconia system to produce translucent zirconia sintered bodies comprises at least two separate zirconia green bodies. At least one zirconia green body comprises zirconium oxide and a lower content of at least one other oxide summing to between 6.5 wt % to 20 wt % based on a total weight percent of the zirconia green body. At least another zirconia green body comprises zirconium oxide and a higher content of at least one other oxide summing to between 7.5 wt % to 20 wt % based on a total weight percent of the zirconia green body. The at least two zirconia green bodies each have at least some particles with a diameter of 100 nanometers to 1000 nanometers. The at least two zirconia green bodies have different amounts of the at least one other oxide with respect to one another.

Abstract: A blank for forming a pressed article, the blank including a flat pattern edge configuring an edge on one length direction side of the blank, and an excess portion formed at the flat pattern edge. An edge of the excess portion includes a first convex portion that protrudes toward the one length direction side of the blank with respect to the flat pattern edge, a first concave portion that is adjacent to the first convex portion at a width direction outer side of the blank, that is formed in a concave shape, and that connects the flat pattern edge and the first convex portion together, and a second concave portion that is adjacent to the first convex portion at a width direction inner side of the blank, that is formed in a concave shape, and that connects the flat pattern edge and the first convex portion together.

Abstract: A method suitable for manufacturing complex and stable objects of a wide range of sizes. The method involves producing an object structure by a generative production method and/or by an injection molding method, and producing a fiber-reinforced resin layer in at least one sub-region of the object structure.

Abstract: A method of making a translucent colored zirconia dental restoration comprises obtaining a zirconia green body, forming a dental restoration precursor from the zirconia green body, applying a color liquid to the precursor, and sintering the restoration precursor with regular sintering in air without post HIP processing. The zirconia green body comprises between 7 wt % to 20 wt % of stabilizer based on a total weight percent, and an L* value between 10 and 20 for a sample thickness of 1 to 1.3 mm. The zirconia green body is subsequently finally sinterable with regular sintering in air without post HIP processing to produce a translucent zirconia sintered body having a total light transmittance of at least 36% and less than 50% to light with a wavelength of 400 nm, and less than 55% to light with a wavelength of 600 nm, at a thickness of 0.6 mm.

Abstract: A method of making a translucent colored zirconia dental restoration comprises obtaining a zirconia green body, forming a dental restoration precursor from the zirconia green body, applying a color liquid to the precursor, and sintering the restoration precursor with regular sintering in air without post HIP processing. The zirconia green body comprises between 7 wt % to 20 wt % of stabilizer based on a total weight percent of the zirconia green body, and at least some particles with a diameter of 100 nanometers to 1000 nanometers. The zirconia green body is subsequently finally sinterable with regular sintering in air without post HIP processing to produce a translucent zirconia sintered body having a total light transmittance of at least 36% and less than 50% to light with a wavelength of 400 nm, and less than 55% to light with a wavelength of 600 nm, at a thickness of 0.6 mm.

Abstract: A spectacle lens exhibiting excellent weather resistance and a method for manufacturing the same. In the spectacle lens and the method for manufacturing the same, the spectacle lens includes a lens substrate having a refractive index of from 1.58 to 1.74 and a hard coat layer that is obtained by curing a mixture containing silica particles and a silane compound and has a refractive index of from 1.49 to 1.51.

Abstract: Disclosed herein, amongst other things, is a method for converting a design of an original preform that is blow moldable to form a container into a converted preform having less molding material that is blow moldable to form the same container. The method includes retaining a neck finish and body of the original preform on the converted preform. The method further includes replacing the original base of the original preform with a converted base having an outer base surface that joins with an outer body surface of the body at an base split-line of the original base and that fits offset within an outer body surface of the original base, whereby the converted preform has a reduced total length, disregarding any gate vestige that may be formed thereon, relative to a total length of the original preform.

Abstract: Provided is a three-dimensional object producing method, including: a first step of forming a film by delivering a first liquid as a hydrogel precursor including at least a multifunctional monomer; and a second step of curing the film formed in the first step, wherein the first step and the second step are repeated a plurality of times.

Abstract: A blank which is provided for producing dental shaped parts such as crowns, bridges, veneers, abutments and the like, already has at least one preform of a dental shaped part, which is available for producing this shaped part. In particular, the preforms in the blank are prepared by machining of the blank, preferably by cutting, sawing, grinding, drilling and/or milling. The preforms are in particular preforms for single crowns.

Abstract: A method for forming a three-dimensional object by extruding ink droplets from ink-jet heads includes forming an inner build region of the object. A colored region is formed outside of the inner build region so as to color the object. A support region is formed outside of the colored region so as to support the object while the object is being formed. An intermediate region is formed between the inner build region and the colored region. The intermediate region is formed in such a manner that affinity between the intermediate region and the inner build region and affinity between the intermediate region and the colored region are higher than affinity between the colored region and the support region.

Abstract: The invention relates to a bearing cover (3) for a split bearing arrangement (1), which comprises a bearing block (2) in addition to the bearing cover (3), wherein the bearing cover (3) has a clamping surface (6), which in an assembled state of the bearing arrangement (1) fits against a counter clamping surface (5) of the bearing block (2), and wherein at least one projection (7) is formed on the clamping surface (6) and projects from the latter, which can be pushed into the counter clamping surface (5) of the bearing block (2), and which has a round or round-convex cross-sectional form in a plan view of the clamping surface (6).

Abstract: A lower region of a temporary abutment includes an anti-rotational feature for non-rotationally mating with a dental implant. An upper region of the temporary abutment includes a first anti-rotational structure and at least one retention groove. A top surface of the temporary abutment includes one or more informational markers that provide information concerning the dental implant. A temporary abutment cap is configured to be coupled to the upper region of the temporary abutment. The temporary abutment cap has at least one projection configured to mate with the at least one retention groove of the temporary abutment. The temporary abutment cap has a second anti-rotational structure that is configured to slidably engage the first anti-rotational structure of the temporary abutment. The temporary abutment cap is configured to be coupled with a temporary prosthesis such that the temporary prosthesis and the temporary abutment cap are removable from the temporary abutment.

Abstract: A dental block for producing a dental prosthesis comprises a green body including zirconia and having a chemical composition including increasing amounts of yttria through a thickness of the green body. The green body has a substantially consistent optical characteristic of chroma and translucency across the thickness, and is subsequently millable and sinterable to form the dental prosthesis with an optical characteristic of decreasing chroma, increasing translucency, and decreasing strength, in one direction through a thickness of the dental prosthesis.

Abstract: A seal for use between a first duct and a second duct and, the ducts having relative motion therebetween, includes a first plurality of fingers for attachment to the first duct to be disposed about one of the first duct and the second duct, a seal land attaching to about an other of the first duct and the second duct, and a seal attaching to the seal land and in contact with the plurality of fingers wherein one of the plurality of fingers and the seal is metallic and an other of the seal land or the plurality of fingers is non-metallic.

Abstract: An aid for teaching mathematical concepts looks like a multiplication table but has separable rows of numbers. In the first row, cardinal numbers 1-n are displayed and second-N rows have cardinal numbers 2-n displayed along side one edge on the face. The remainder of the rows have the multiplication products of the cardinal numbers on the first row and the cardinal numbers of the rest of the rows arranged at the intersections of the cardinal numbers at the top and along side the edge. The rows are separable so they may be arranged in a multiplicity of pairs of fractional equivalents.

Abstract: A decorative object to be decorative may include a first section having a first body member and a first neck member, a second section having a second body member and a second neck member being connected to the first section, a third section having a third body member and a third neck member being connected to the first section. The first section may be looped and the second section may be looped over the first section. The third section may be looped over the second section. The first section may include a hanging extending projection to hang the decorative object.

Abstract: Disclosed is a bag stand including: a first side panel, the first side panel having a top end, a bottom end, and two adjacent side ends; a second side panel, the second side panel having a top end, a bottom end, and two adjacent side ends, the second side panel connected to the first side panel; and a first foot panel connected proximate the bottom end of the first side panel, a second foot panel connected proximate the bottom end of the second side panel, the second foot panel connected to the first foot panel, the bag stand further defining a bottom opening when the first foot panel is connected proximate the bottom end of the first side panel.

Abstract: An assembly for a gas turbine engine includes a component and a finger seal. The component has a first surface and a second surface. The first surface has an elevation that differs from an elevation of the second surface. The finger seal is connected to the first surface and extends above the second surface. The disposition of the second surface relative to the finger seal creates a cavity below a curved portion of the finger seal.

Abstract: Various embodiments of the present invention generally relate to a light-cure and dual-cure resin that have low color and is color stable over conventional light, self and dual-cured resins. Additionally, the light-cure resin has enhanced degree of cure over conventional light-cure resins. Finally, due to the low color and enhanced color stability of the dual-cure resins, their inherent property of having lower shrinkage stress as compared to light-cure resins can now be utilized in various dental applications and other resin applications.

Abstract: An easily producible optical fiber preform which is drawn to an optical fiber having a core containing a sufficient concentration of alkali metal is provided. An optical fiber preform 10 is composed of silica-based glass and includes a core portion 20 and a cladding portion 30. The core portion 20 includes a first core portion 21 including a central axis and a second core portion 22 disposed on the perimeter of the first core portion 21. The cladding portion 30 includes a first cladding portion 31 disposed on the perimeter of the second core portion 22 and a second cladding portion 32 disposed on the perimeter of the first cladding portion 31. The core portion 20 contains an alkali metal at an average concentration of 5 atomic ppm or more. The concentration of the OH group in the perimeter portion of the first cladding portion 31 is 200 mol ppm or more.

Abstract: A parison for being blow molded into a medical balloon for a catheter includes a first tubular layer having a functional modification and a second tubular layer adapted for bonding with the first tubular layer to form the blow molded balloon. Related methods are also disclosed.

Abstract: A biaxially stretched, blow molded bottle made of a resin comprising at least one of polyethylene terephthalate and a copolymerized polyester comprising ethylene terephthalate. The bottle neck is formed, just as the bottle body is formed, by expanding a body of a preform in a shape of a test tube in a stretching step of the molding process. The bottle neck has an average thickness in a range of 0.6 to 1.8 mm, and at the bottle neck, the resin is partially crystallized and is in an oriented crystallized state. A ratio of an absolute value of crystallization enthalpy, ?Hc, to melting enthalpy, ?Hm (|?Hc|/?Hm) of the bottle neck is a value less than 0.1, and a rate of dimensional change in the outer diameter of the bottle neck is 0.2% or less.

Abstract: A compression molded preform for forming an invertible base hot-fill container, and systems and methods thereof. The preform includes a body with a first open end, a second closed end or end cap of hemispherical shape, and a sidewall extending between the first end and the second end. At least a portion of the second end is thinner than any portion of the sidewall. Further, the second end is gateless and has an inner surface that is substantially smooth along its entire area. The compression molded preform is blow molded to form a plastic container with an invertible or movable base. The invertible or movable base is responsive to, or can be moved based on, internal forces or pressure associated with processing the container with a filled product.

Abstract: A dental blank has at least an inner zone (or layer) of a first color and an outer zone (or layer) of a second color, wherein the inner and outer zones are concentric. The inner zone can be surrounded in its entirety by the outer zone such that only the outer zone is visible on all surfaces of the blank. Alternatively, the inner zone and the outer zone can extend to a same single surface of the blank, such that only the outer zone covers all remaining surfaces. The blank may also have an intermediate zone between the inner and outer zones. A method of fabrication includes solid free form processes, such as robocasting, laser sintering and 3D printing that allow for placement of multiple colors. A dental restoration made from the blank can have a variety of shades depending on a ratio of milled outer layers to internal layers.

Abstract: The invention provides a ceramic green sheet having plasticity, punching property, and sinterability of satisfactory levels as well as a low percent (heat) shrinkage. In the production of a ceramic slurry serving as a raw material of the sheet, ingredients thereof are mixed under such conditions that the functional group ratio (polyol to isocyanate) is 1.5/11.5 to 11.5/11.5; the urethane resin formed from isocyanate and polyol has a repeating-unit-based molecular weight of 290 to 988; and the ratio by weight of the urethane resin to a ceramic powder falls within a range of 4.5 to 10 parts by weight of the urethane resin with respect to 100 parts by weight of the ceramic powder. A ceramic green sheet having, in well balance, all of the properties (i.e., plasticity, punching property, sinterability, and (heat) shrinkage) required for facilitating subsequent processes such as mechanical working and firing can be provided.

Abstract: Disclosed are preforms for the production of lightweight containers, such as bottles suitable for containing water or other beverages The preforms can have a thin neck finish area that is extended into the upper segment of the body portion below the support ring. Preforms with reduced thickness in these areas use less resin in forming the preform and bottle.

Abstract: PET resins containing a small amount of a blue dye and/or further containing inorganic particles of Fe3O4 or BaSO4 are synthesized in the presence of an inorganic Ti—Mg catalyst employed as a polycondensation catalyst and a phosphorus stabilizer during a polycondensation process, and the resultant PET resins are free of yellowish appearance and reduced regenerated acetaldehyde and cyclic oligomers after processed so that PET bottle preforms if made of the PET resins can facilitate reduction in aging time thereby to improve the product yield of the bottle preforms and to save the stock space for storing the bottle preforms.

Abstract: A dental blank of the present invention has at least an inner zone (or layer) of a first color and an outer zone (or layer) of a second color wherein the inner and outer zones are concentric The inner zone can be surrounded in its entirety by the outer zone such that only the outer zone is visible on all surfaces of the blank and the inner zone is not visible on any surface of the blank Alternatively, the inner zone and the outer zone can extend to a same single surface of the blank, such that only the outer zone covers all remaining surfaces The dental blank may also have an intermediate zone between the inner and outer zones, wherein the intermediate zone is surrounded in its entirety by the outer zone and/or the intermediate zone surrounds the inner zone in its entirety.

Abstract: The various embodiments herein provide a dental mill blank for fabrication of dental appliance and restorations. A method for fabricating dental bridgework from the mill blank is also provided. The mill blank comprises a hard inner core and wherein the hard inner core provides resistance against a normal occlusal force, a soft outer cover surrounding the inner core, a channel passing through the inner core and the outer cover, a metallic abutment provided at one end of the channel and a handle stud for holding the mill blank onto a milling machine. The channel is designed to make a screw type bridgework for supporting a plurality of neighbouring implants.

Abstract: The invention relates to a dental milling block (1) comprising a dental article (2) having an outer surface, the dental article having been produced based on personalized data, wherein the outer surface of the dental article is at least partially covered with a surrounding material. The invention further relates to a process of producing a dental milling block, the process comprising the steps of: •a) providing a personalized Data Set C containing geometry data of the dental article and colour data related to said geometry data, •b) generating a layer of hardenable material on a surface, •c) applying a colour agent to the layer of hardenable material of step b), wherein the colour agent is applied to at least some regions of those areas of the layer of hardenable material which are related to the geometry data of the dental article, •d) consolidating the result obtained in step c) thereby obtaining an at least partially hardened layer of material.

Abstract: Preform for the blow moulding of a container comprising a neck section (1) including a pouring opening (20), an adjacent wall section (2) and a bottom section (3). It consists of a primary plastic raw material in a primary area (A1, A2, A3) and at least one secondary material in at least a secondary area (B1, B2, B3) both having a mutually different coloration. Said preform is remarkable in that said bottom section (3) is composed of a multi-layer structure with primary layers composed of said primary plastic material, and additional secondary layers (6, 7, 8, 9, 10). The latter are composed of said secondary material, two surface secondary layers the one of which (6) is directed outwardly respective the preform, whereas the other one (10) is directed inwardly, and an intermediate secondary layer between them (7, 8, 9), which constitutes a core layer, which is located between two said primary layers.

Abstract: The invention relates to a lithium silicate glass ceramic comprising CsO2 in an amount from about 6 to about 30 wt.-%. The invention also relates to a three-dimensional article comprising at least two layers (I) and (II), each layer (I) and (II) comprising a lithium silicate glass ceramic, the lithium silicate glass ceramics of layer (I) having a different translucency than the lithium silicate glass ceramic of layer (II).

Abstract: Provided are a cutting information determination method that can use a simpler process to improve yield, and a strip-shaped polarizing sheet manufacturing method using such a method, an optical display unit manufacturing method using such a method, a strip-shaped polarizing sheet, and a polarizing sheet material. A cutting position in the width direction A2, in which a polarizing sheet material MP is to be cut along its longitudinal direction A1, is determined based on the numbers of defects counted with respect to plural points in the width direction A2 of the polarizing sheet material MP. This makes it possible to determine the cutting position in such a way that a region with many defects does not fall within the cut width, so that a higher-yield cutting position can be determined. The cutting position can also be determined using a simple process in which defects are counted with respect to plural points in the width direction A2.

Abstract: The specification describes multimode optical fibers produced by improved methods that reduce the manufacturing cost. These methods may also be more efficient in terms of power loss. In one of the embodiments, the improved design has a large core of pure silica derived from a rod-in-tube method. In the embodiment, a down-doped cladding is produced by depositing fluorine-doped silica on the inside of a silica starting tube using isothermal radio frequency plasma deposition. The silica core is inserted and the starting tube collapsed. The silica starting tube is removed and optical fiber is drawn from the fluorine-doped glass coated silica rod.

Abstract: An easily producible optical fiber preform which is drawn to an optical fiber having a core containing a sufficient concentration of alkali metal is provided. An optical fiber preform 10 is composed of silica-based glass and includes a core portion 20 and a cladding portion 30. The core portion 20 includes a first core portion 21 including a central axis and a second core portion 22 disposed on the perimeter of the first core portion 21. The cladding portion 30 includes a first cladding portion 31 disposed on the perimeter of the second core portion 22 and a second cladding portion 32 disposed on the perimeter of the first cladding portion 31. The core portion 20 contains an alkali metal at an average concentration of 5 atomic ppm or more. The concentration of the OH group in the perimeter portion of the first cladding portion 31 is 200 mol ppm or more.

Abstract: A plastic preform has a base body, and a threaded area disposed on and integrally formed with the base body. An integrally formed annular section extends outwards in a radial direction from the base body, below the threaded area. The annular section has a first surface facing the base body and a second surface facing the threaded area. A marking characteristic of at least one property of the plastic preform is located on a surface section of the plastic preform below the threaded area, in the longitudinal direction of the plastic perform, extending at an angle of non-zero in relation to the longitudinal direction of the plastic preform.

Abstract: The invention provided in one aspect a holder suitable for holding at least one or more items which includes at least one support member for supporting at least one or more items. This holder also includes a body member which defines at least one side wall and at least one handle by which the holder may be supported by a user. This at least one handle is defined by two or more apertures formed in at least one side wall, where any side walls forming a single handle are not opposed to each other.

Abstract: Described herein are oxygen scavengers, oxygen scavenging polymeric compositions, and oxygen scavenging articles. The polymeric compositions comprising the oxygen scavengers may have utility in packaging, sealing, wrapping, and storing oxygen-sensitive substances, e.g., to preserve freshness of foods, beverages, and the like.

Abstract: A frame is injection molded onto a group of panels to form a container. The panels extend at least partially around, and at least partially define, a cavity of the container.

Abstract: A carton for holding a plurality of articles. The carton comprises a gable top comprising two top panels at a top of the carton. The gable top comprises at least one gusset foldably connected to a side flap and one of the top panels. The first and second top flaps angle inwardly from a respective front panel and back panel of the carton.

Abstract: Aspects of the invention include preforms used to be formed into an immobilizer for use with a patient. The preform includes a preform member that is formed from a thermoplastic material and a filler material. The preform member is relatively rigid at a first temperature and formable at an elevated second temperature. The preform member is opaque at the first and second temperatures. The preform also includes at least one indicator associated with the preform member. The at least one indicator is formed from a thermoplastic material and is opaque at the first temperature and translucent at the second temperature. The at least one indicator can provide a visual indication of readiness to form the preform into the immobilizer upon heating the preform member to the second temperature at which the indicator is translucent.

Abstract: A method of assembling a preform for a bend-insensitive multimode optical fiber (BIMMF), includes providing a multimode core rod, a glass overclad tube, and a trench tube of down-doped quartz glass with a depressed refractive index sufficient to obtain a desired trench depth in a refractive index (RI) profile of a drawn fiber. The core rod is placed inside the trench tube, and the trench tube and the core rod are placed inside the overclad tube to define the preform. A top end of the trench tube is formed to contact an adjacent part of either the core rod or the overclad tube so that the trench tube is suspended to hang from the adjacent part when the preform is vertically oriented, and a bottom end of the trench tube is restrained from sinking into a lower portion of the preform when the preform is heated to collapse.

Abstract: A narrow neck glass container includes a container body and a container neck finish. The container neck finish has an external closure attachment diameter of not more than 36 mm, and the container body has at least one internal embossment of predetermined geometry. The at least one internal embossment preferably comprises a plurality of internal embossments in a geometric pattern.

Abstract: The invention relates to compositions for forming an aesthetic image that is an work or object for display. The images are made from an image support medium of a compositions that generally includes a polymer in an amount sufficient to enable the image to have at least one aesthetic element. In different embodiments, the image support medium may be an image support stabilizer, the polymer may be a synthetic absorbent or conductive polymer, or the polymer is may be transparent or synthetic translucent polymer and a property of this transparent or translucent polymer is enhanced to facilitate the creation or preservation of the image by at least one stabilizer. The invention also relates to a method for preparing the composition and the image support medium. The method includes forming a reaction mixture comprising a monomer in an amount sufficient to provide or enable the image to have an aesthetic element, and processing the reaction mixture into a 2- or 3-dimensional shape.