Abstract: According to some aspects, an additive fabrication device is provided configured to form layers of material on a build platform, each layer of material being formed so as to contact a container in addition to the build platform and/or a previously formed layer of material. The additive fabrication device may comprise a container and a wiper, wherein the wiper comprises a wiper arm and a wiper blade coupled to said wiper arm using a pivoting coupling.

Abstract: According to some aspects, a method of additive fabrication is provided wherein a plurality of layers of material are formed on a surface of a build platform, each layer of material being formed so as to contact a container in addition to the surface of the build platform and/or a previously formed layer of material. The method comprises forming a layer of material in contact with the container and in contact with a previously formed layer of material, and subsequent to the forming of the layer of the material, separating the layer of material from the container by simultaneously applying a first force to the layer of the material in a direction perpendicular to the surface of the build platform, and a second force to the layer of the material in a direction parallel to the surface of the build platform.

Abstract: A drill guide employs multiple layers of materials with different mechanical properties in order to achieve concurrent goals of rigidity, fit and retention. For example, a rigid exterior shell and a soft interior may be used together to securely and precisely fit a drill guide to a surgical site.

Abstract: A method (500) of making charges (160) comprises forming a combined perimeter shape (130) having no circumferentially enclosed openings by geometrically combining primary perimeter shapes (132), corresponding to perimeter shapes of the charges (160), and secondary perimeter shapes (133), such that symmetry axes (138) of the primary perimeter shapes (132) are parallel to each other, lateral edges (134) of the primary perimeter shapes (132), adjacent to each other, are at least partially contiguous, and all boundary edges of the combined perimeter shape (130) are either parallel or perpendicular to the symmetry axes (138) of the primary perimeter shapes (132). The method also comprises contiguously depositing prepreg tows (172) to form prepreg composite plies (126) and laminating the prepreg composite plies (126) together to form a precursor sheet (128) having a precursor combined perimeter shape (174) that circumscribes the combined perimeter shape (130).

Abstract: Provided are composite feedstock strips for additive manufacturing and methods of forming such strips. A composite feedstock strip may include continuous unidirectional fibers extending parallel to each other and to the principal axis of the strip. This fiber continuity yields superior mechanical properties, such as the tensile strength along strip's principal axis. Composite feedstock strips may be fabricated by slitting a composite laminate in a direction parallel to the fibers. In some embodiments, the cross-sectional shape of the slit strips may be changed by reattributing material at least on the surface of the strips and/or by coating the slit strips with another material. This cross-sectional shape change may be performed without disturbing the continuous fibers within the strips. The cross-sectional distribution of fibers within the strips may be uneven with higher concentration of fibers near the principal axis of the strips, for example, to assist with additive manufacturing.

Abstract: A system for manufacturing a composite article may include a resin-wetting control layer configured to be placed in contact with a composite ply of a composite preform. The resin-wetting control layer may be configured complementary to a ply surface of the composite ply.

Abstract: A method of completing a fiber composite part includes the steps of providing a pre-manufactured fiber composite part, the fiber composite part including a structure of fibers embedded in a matrix of a resin, the resin being hardened; inspecting the composite part for portions of the structure of fibers that are insufficiently impregnated by the hardened resin; applying a preparation of a hardenable material to a surface portion where an identified structure portion of the structure of fibers that is insufficiently impregnated is exposed; applying mechanical vibration to the preparation applied to the surface portion to cause material of the preparation to impregnate the structure portion in a flowable state, and causing the material to solidify.

Abstract: A process for producing an optical material of the present invention includes a step of mixing di- or higher-functional thiol compounds (A) having one or more sulfide bonds and/or one or more ester bonds with an imidazole-based curing catalyst (B) to prepare a mixed solution; a step of mixing the mixed solution with an isocyanate compound (C) including at least one kind of a di- or higher-functional alicyclic isocyanate compound (c1) and/or a di- or higher-functional aliphatic isocyanate compound (c2) to prepare a polymerizable composition for optical materials; a step of injecting the polymerizable composition for optical materials into a mold; and a step of polymerization-curing the polymerizable composition for optical materials in the mold.

Abstract: A method of making a bridge of eyeglasses includes the steps of: closing first and second mold cores to define therebetween a mold cavity having a shape corresponding to that of the bridge, the mold cavity having at least one injection hole communicating with an external environment; injecting metal clay through the at least one injection hole into the mold cavity at a high pressure to form a bridge blank; separating the first and second mold cores to expose the mold cavity and then ejecting the bridge blank from the mold cavity; and subjecting the bridge blank to a sintering process.

Abstract: In each protrusion-forming recess of a mold, a non-through-hole vent is provided at one end side, and a through-hole vent that is longer than the non-through-hole vent is provided at another end side. When there is an ingress of rubber of a green tire into each protrusion-forming recess, air inside the protrusion-forming recess is discharged through the through-hole vent and the minute amount of air remaining inside escapes to the non-through-hole vent. Each through-hole vent is set with a large capacity, enabling an ingress of rubber into the vent hole that will later become spew to be stopped inside the through-hole vent. Since the volume of air that is trapped inside the protrusion-forming recess is a minute amount, and so the volume of air that escapes into the non-through-hole vent is also a minute amount.

Abstract: In an inner mold method, a pull-out force of extracting inner mold segments from a vulcanized tire is reduced. A rigid inner mold 1 is provided with an annular inner mold body 2 having a tire molding surface S. A rigid core 1 is put into a vulcanization mold B for each green tire T formed on the tire molding surface s, whereby the green tire T is vulcanization-molded between the vulcanization mold B and the inner mold body 2. The inner mold body 2 comprises a plurality of inner mold segments 5 divided in the circumferential direction. A coating layer 11 having rubber release property is formed on the tire molding surface S.

Abstract: Provided is a rigid core for tire formation that limits the rubber stuck between inner mold segments in an inner mold segment while minimizing the occurrence of unevenness in the radial direction between inner mold segments that is caused by thermal expansion. A core main body 2 is divided into: a first inner mold segment 5A in which both circumferential end surfaces 5As are inclined radially inward in a direction in which the circumferential width increases; a second inner mold segment 5B that is arranged in an alternating manner with the inner mold segment 5A and in which both circumferential end surfaces 5Bs are inclined radially inward in a direction in which the circumferential width decreases; and a butting member 6 that is arranged between the first inner mold segment 5A and the second inner mold segment 5B. Young's modulus Ea of the butting member 6 is smaller than Young's modulus Eb of the first and second inner mold segments 5A and 5B.

Abstract: An article is molded from first and second thermosetting elastomer compositions each comprising free-radically curable elastomer and free radical initiator but different from one another. The first thermosetting elastomer composition is molded to fill a first area of a mold cavity at a first temperature at which the first free radical initiator has a half-life?about 10 minutes or at which the first thermosetting elastomer composition has an increase in torque less than 10% of a total increase in torque at full cure. The second thermosetting elastomer composition is then inserted into the mold cavity, and the mold is heated to fully cure the article, for example a temperature at which each free radical initiator has a half-life?about 1 minute, with the second composition filling a second area of the mold cavity before or during heating and curing.

Abstract: A machine (1) for making blanks (2) for boxes to measure, comprises feed means configured for realizing rectangular pieces (3) of the blank (2). Each rectangular piece (3) has a width (“La”), measured along a first edge (3a) thereof, which width (“La”) is equal to a pre-determined width (“La”) of the blank (2) and a length (“Lu”), measured along a second edge (3b) of said rectangular piece, said length (“Lu”) being preferably less than a pre-determined length (“Lu”) of the blank (2). Joining means (32) are configured for joining at least two rectangular pieces (3) or one rectangular piece (3) and a piece of an intermediate blank previously made, relative to respective first edges (3a), so as to obtain a blank exhibiting an intermediate width (“La”), which intermediate width (“La”) is equal to the pre-determined width (“La”) of the blank (2), and a length which is greater than the pre-determined length (“Lu”) of the blank (2).

Abstract: Folding station and folding-box adhesive-bonding machine are provided. The folding station for deforming flat workpieces includes at least one group of k guide mechanisms, which are fitted at a variable distance from one another along an arrangement line. The guide mechanisms are operatively connected to a common, proportionally active adjustment device which, during operation, varies the distances between in each case two adjacent guide mechanisms of the group of guide mechanisms uniformly along the arrangement line. Also provided is a folding-box adhesive-bonding machine having a transporting device for folding-box blanks and having at least one such folding station.

Abstract: The present invention is directed to a method forming a bottom-gusseted package, wherein each package includes an inwardly-extending, pleat-like gusset at the bottom of the package. To permit heat-sealing formation of each package, the sleeve from which each gusset is formed comprises a lamination of two differing polymeric materials, so that only an exterior surface of each sleeve exhibits the desired heat-sealing characteristics. To facilitate package formation, the sleeves from which the bottom gussets are formed are maintained in a temporarily closed or sealed configuration during package formation by providing a preferably frangible bond or seal at the edge of each sleeve. This result is preferably achieved by folding the laminate material, and temporarily sealing or joining an outer layer of the laminate material from which gusset is formed, while an inner layer is maintained in an unsealed condition.

Abstract: A sparse micro-truss structure having a series of unit cells arranged in an array is disclosed. Each of the unit cells includes a series of struts interconnected at a node. Adjacent unit cells are spaced apart by a gap. Spacing apart the adjacent unit cells is configured to reduce the sensitivity of the sparse micro-truss structure to premature mechanical failure due to buckling in one or more of the struts compared to related art micro-truss structures having a series of fully interconnected unit cells.

Abstract: Improved containment mats and systems of containment mats may include multiple adjoining mats with a top surface and a bottom surface. The multiple mats may provide a modular structural mat system that may be installed at a drill site, with multiple mats placed adjacent to each other with a lap joint connecting adjacent mats. A geotextile may be used to cover the lap joints and a coating applied to the geotextile. Such a system may provide containment of potential spills, a reliable working surface for drilling operations, and relatively fast and less expensive installation.

Abstract: A composite laminate is presented. The composite laminate comprises a plurality of plies having non-traditional angles. Each of the plurality of plies has a respective shape configured to minimize a total length of the ply boundary over all of the plurality of plies. The composite laminate has a stiffness equal to a desired stiffness of a traditional composite laminate.

Abstract: A plugged honeycomb structure includes: a plurality of honeycomb segments, a bonding layer, and a plugging portions to plug open ends of cells of each of the honeycomb segments. The honeycomb segment is configured so that the cells having at least two kinds of different shapes are disposed in a cross section orthogonal to an extension direction of the cells, the honeycomb segment has a center region and an circumferential region located in the circumference of the center region, the center region has a cell arrangement pattern such that inflow cells surround one outflow cell, in the inflow end face of the honeycomb segment, the circumferential region has an open frontal area that is smaller than an open frontal area of the center region, the segment circumferential wall of the honeycomb segment and the bonding layer have a special thickness.

Abstract: A tape for attaching objects to a subject includes a strip of high stretch woven material having a first face and an opposed second face. A first adhesive is on the first face in a discontinuous pattern. A second adhesive is on the second face.

Abstract: A multi-layer panel is provided, which may eliminate local portions having low strength and low rigidity and may suppress a stress concentration to increase rigidity and strength. The multi-layer panel includes a core panel; a pair of face plates sandwiching the core panel from both sides; and a beam member. The core panel has a standing portion extending in a direction intersecting with a surface of the multi-layer panel, and a flange formed in a manner of extending from a most outside end of the standing portion along a first one of the face plate. The beam member includes a portion with the rectangular cross section disposed so as to clamp the flange of the core panel with the first face plate.

Abstract: A stackable water shield comprising a body portion having a width and length and thickness, said body having a wet surface, said body further having a channel formed between inwardly angled walls in a portion of the body, said channel having a width and a depth sufficient to accept a sufficient amount of glue, said glue amount not extending to the wet surface of the water shield, said water shields stackable without interposing a glue protective barrier such as a release sheet between said stacked water shields.

Abstract: An antiballistic fabric comprises a first fabric ply made of two outer fabric layers separated by at least one inner fabric layer, each of the layers being constructed only from weft fibers laid at angles between about +30 and ?30 degrees from the warp and the fibers of the outer layer form non-complementary angles with the fibers of the inner layers, the layers being knitted together in the z-direction. A second equivalent fabric ply is aligned and bound above the first fabric ply.

Abstract: A composite component comprises a plurality of plies and a plurality of pins extending in a direction transverse to the plies. The pins comprise a first region formed from a first material and a second region formed from a second material.

Abstract: A printable blank sheet comprises a sheet with a top substrate and a bottom layer, a dry lift adhesive connecting the top substrate to the bottom layer, an object with an intricate shape cut into the sheet, and a coupon cut into the sheet.

Abstract: The invention relates to a method for assembling a stack (10) consisting of single or multilayered pre-products (1115) of equal or different sizes, said pre-products lying freely one on top of the other, wherein the stack (10) has two outer pre-products (11, 15). According to the method, the stack (10) is given a cohesion that facilitates later handling. The cohesion is achieved in a very simple and flexibly applicable manner by providing the slack (10) to be assembled in a first step, said stack consisting of pre-products (11-15) that lie freely one on top of the other, and by attaching at least one connecting element (17) to an edge (16) of the stack (10) in a second step such that said element overlaps the two outer pre-products (11, 15) of the stack (10) in a clamping manner.

Abstract: A method for joining materials using additive friction stir techniques is provided. The method joins a material to a substrate, especially where the material to be joined and the substrate are dissimilar metals. One such method comprises (a) providing a substrate with one or more grooves; (b) rotating and translating an additive friction-stir tool relative to the substrate; (c) feeding a filler material through the additive friction-stir tool; and (d) depositing the filler material into the one or more grooves of the substrate. Translation and rotation of the tool causes heating and plastic deformation of the filler material, which flows into the grooves of the substrate resulting in an interlocking bond between the substrate and filler material. In embodiments, the depositing of the filler material causes deformation of the grooves in the substrate and an interlocking configuration between the grooves of the substrate and the filler material results.

Abstract: A laminated plate includes a first plate; a second plate; and an intermediate film for bonding the first plate and the second plate, wherein the first plate includes a first main surface arranged at a side opposite to the intermediate film, and a second main surface that contacts the intermediate film, wherein the second plate has a third main surface that contacts the intermediate film, and a fourth main surface arranged at a side opposite to the intermediate film, wherein, upon the bonding by the intermediate film being released, a radius of curvature of the second main surface is smaller than that of the third main surface both in a transverse section and in a longitudinal section, and wherein a maximum value of bending compressive stress at an outer peripheral portion of the fourth main surface is less than or equal to 100 MPa.

Abstract: An interlayer for a laminated glass includes a thermoplastic resin, ITO particles, and a phthalocyanine-based compound including at least one of a phthalocyanine compound and a naphthalocyanine compound. When A indicates an amount (parts by mass) of the ITO particles in 100 parts by mass of the thermoplastic resin, and B indicates an amount (parts by mass) of the phthalocyanine-based compound in 100 parts by mass of the thermoplastic resin, the amount A satisfies 0.15 (parts by mass)?A?0.3 (parts by mass) ??formula (1), and the amount B satisfies ?0.025A+0.012 (parts by mass)?B??0.027A+0.032 (parts by mass) ??formula (2).

Abstract: A composite veneer including a cellulose outer face and a nonwoven inner ply for mounting to a curved support surface.

Abstract: A shaped product of a fiber-reinforced composite material includes a well-shaped part and a surface-shaped part, in which the well-shaped part includes a fiber-reinforced composite material C including both discontinuous reinforcing fibers and a thermoplastic resin, and the surface-shaped part includes a thermoplastic-resin-based material, and the shaped product includes no irregular-shape portion in the well-shaped part and no weld at a boundary edge between the well-shaped part and the surface-shaped part.

Abstract: A gas barrier packaging material includes: a support; and a gas barrier layer made up of an adhesive layer (A) which is disposed on one surface of the support and contains an aqueous polyurethane resin (a1), a water soluble polymer (a2) and a curing agent (a3) with a formulation ratio of the aqueous polyurethane resin (a1) and the water soluble polymer (a2) in the range from 10:90 to 60:40 in mass ratio, and a barrier layer (B) which is formed on the adhesive layer (A).

Abstract: Soft touch fire retardant laminates with PVC middle layers, foamed or unfoamed, and multiblock copolymer or polyurethane or silicone top layers which meet FAA requirements are disclosed.

Abstract: A method of making a microstructured adhesive article that includes (a) providing an article comprising a crosslinked pressure sensitive adhesive layer disposed on a backing; and (b) embossing the surface of the crosslinked pressure sensitive adhesive layer to form a crosslinked pressure sensitive adhesive layer having a microstructured adhesive surface.

Abstract: Cutting tool guide structure (1) for the cutting of an adhesive-backed film partially applied to a surface of a vehicle. The cutting tool guide structure (1) is removably attachable to a surface of a vehicle, contains a cutting slit (4) for receiving a cutting tool (6), and is dimensioned such that the cutting tool can be moved back and forth in one direction within the cutting slit (4) to carry out a cutting action. The guide structure (4) further comprises, at opposite ends, engaging areas (2) that are shaped and configured to match opposite surface areas (5) of the vehicle such that the cutting tool guide structure (1) can be placed with its engaging areas on the surface areas of the vehicle to provide an abutting fit. Further provided are methods of applying an adhesive-backed film to the surface of a vehicle and cutting the film to fit the surface, using the cutting tool guide structure.

Abstract: Examples disclosed herein relate to front-to-back registration of a printed content onto a print medium. In one example, a trigger signal generated by a sensor upon detection of a trigger mark on a first surface of a print medium is received. The trigger mark includes a leading edge and a trailing edge, wherein the leading edge and the trailing edge are non-parallel. Based on the trigger signal, a distance of the trailing edge from a point on the leading edge is determined. Once determined, a measure of lateral wander of the print medium with respect to the print path is obtained. The measure of the lateral wander is determined by comparing the distance between the leading edge and the trailing edge, with a threshold value.

Abstract: Examples of a container assembly are disclosed herein. An example of the container assembly includes a first body to supply printing composition and a second body to store reserve printing composition. The example of the container assembly additionally includes an interconnect having a storage position to fluidically isolate the first body from the second body and a use position to fluidically connect the first body to the second body to allow the reserve printing composition to flow from the second body to the first body as needed to replenish the printing composition in the first body and to allow air in the first body displaced by the reserve printing composition to flow from the first body to the second body.

Abstract: Methods and materials allow personalizing ceramic products such as coffee mugs, plates, vases, etc. by transferring an inkjet image to the surface of a ceramic object. According to embodiments of the invention, personalizing a ceramic object may include three elements: an image receptive layer that has been deposited on a ceramic object to form an image receptive surface, an inkjet image to be transferred, and control over the image transfer process. An inkjet image is printed on an image transfer sheet, which is then brought into contact with the image receptive surface of a ceramic object. The dyes comprising the image begin to migrate into the image receptive layer of the ceramic object under suitable conditions.

Abstract: A printer includes: a first fixed printhead having a respective first print zone; a first platen positioned in the first print zone; a second fixed printhead positioned downstream of the first printhead having a respective second print zone; a second platen positioned in the second print zone; an input roller assembly configured for feeding media sheets along a downward trajectory towards the first platen; an intermediary roller assembly positioned between the first and second platens and configured for receiving the media sheets from the first platen and feeding the media sheets along a downward trajectory towards the second platen; and an exit roller assembly for receiving the media sheets from the second platen. The second platen is positioned relatively lower than the first platen to facilitate a stepped media feed path with minimal distance between the first and second printheads.

Abstract: A liquid droplet ejecting device is provided that includes a liquid droplet ejecting head having a nozzle, a pressure chamber that accommodates liquid and is in communication with the nozzle, and a piezoelectric element that is arranged to face the pressure chamber; a drive waveform generation unit configured to generate a drive waveform that drives the piezoelectric element and has a potential that varies with respect to a reference potential; a detection unit configured to detect a relationship between a detected potential of a residual oscillation waveform that is generated within the pressure chamber after driving the piezoelectric element and a first threshold corresponding to a potential higher than the reference potential; and a state determination unit configured to determine whether the nozzle and/or the pressure chamber is in an abnormal state based on the detected relationship between the detected potential and the first threshold.

Abstract: A liquid ejecting apparatus includes a liquid ejecting head that is provided with a plurality of nozzle openings that discharge a liquid, and pressure generation units that generate pressure changes in pressure generation chambers that are respectively in communication with the nozzle openings, a detection unit that detects a discharge fault of liquid droplets of the liquid ejecting head for each of the nozzle openings, and a control unit that controls the pressure generation units, in which the control unit has a discharge prohibition mode in which the driving of a pressure generation unit that corresponds to a nozzle opening in which a discharge fault is detected, is prohibited after the corresponding discharge fault is detected while recording is underway.

Abstract: A system and method for testing printheads is disclosed. The system comprises an optical sensor mounted on a movable carriage. The optical sensor is moved past a nozzle to be tested on the printhead while the nozzle ejects ink. The output signal of the optical sensor can be used to determine when the trajectory of the ejected ink is improper.

Abstract: A liquid ejecting apparatus which includes a modulation circuit which generates a modulated signal; a transistor which generates an amplified-modulated signal; a low pass filter which generates a driving signal; a thermistor; a control section which controls printing; and a multilayered circuit board on which the modulation circuit, the transistor, and the low pass filter are mounted, in which the modulation circuit generates the modulated signal by feeding back a signal based on any one of the modulated signal, the amplified-modulated signal, and the driving signal, the multilayered circuit board has a multilayer structure of three layers or more, a feedback wiring pattern which feeds back any one of the modulated signal, the amplified-modulated signal, and the driving signal to the modulation circuit, and a temperature wiring pattern which electrically connects the thermistor and the control section does not intersect the feedback wiring pattern when viewed planarly.

Abstract: A liquid ejecting apparatus which includes a modulation circuit which generates a modulated signal obtained by performing pulse modulation with respect to a source signal as a source of a driving signal; a boosting circuit which outputs a voltage boosted by at least a first capacitor; a pair of transistors which generates an amplified-modulated signal based on the modulated signal; a low pass filter which generates a driving signal by smoothing the amplified-modulated signal; a voltage generating circuit which outputs an offset voltage from an output terminal; and a second capacitor which is electrically connected to the output terminal, in which at least the boosting circuit and the voltage generating circuit are integrated in an integrated circuit, and a distance between the first capacitor and the integrated circuit is shorter than a distance between the second capacitor and the integrated circuit.

Abstract: An electronic device includes a first substrate including a structure body protruded from one surface; and a second substrate stacked and disposed facing the one surface through a spacer, in which the first substrate and the spacer are bonded to each other by an adhesive, and in which the adhesive is extended up to the structure body along the one surface.

Abstract: A liquid ejecting apparatus includes a recording head including a plurality of nozzles from which liquid is ejected, a plurality of pressure chambers which communicate with each nozzle, respectively, a piezoelectric element which causes liquid to be ejected from the nozzle by causing a pressure fluctuation in the liquid in the pressure chamber, and a printer controller which is connected to the piezoelectric element through an individual signal line, and supplies a driving signal which drives the piezoelectric element through the individual signal line. The individual signal line is provided as many as n times (here, n is natural number of 2 or more) or more of the number of pressure chambers.

Abstract: In an example, a piezoelectric printhead assembly includes a micro-electro mechanical system (MEMS) die including a plurality of nozzles. An application-specific integrated circuit (ASIC) die is coupled to the MEMS die by a plurality of wire bonds, wherein each of the wire bonds corresponds to a respective nozzle of the plurality of nozzles. An arbitrary data generator (ADG) on the ASIC is to provide a digital data sequence, and a phase selector is to enable multiple data read operations of the ADG to generate multiple delayed digital data sequences.

Abstract: A liquid discharging apparatus includes a driving signal creation section that creates a driving signal, a discharge section provided with a piezoelectric element, and a pressure chamber, and a detection section that is capable of detecting residual vibrations. The driving signal creation section is capable of creating a signal having an inspection waveform of which a potential of a first period is a first potential, a potential of a second period is a second potential, and a potential of a third period is a third potential, as the driving signal. The first potential is a potential that is between the second potential and the third potential, and the internal volume of the pressure chamber in a case in which the driving signal is the second potential is smaller than the internal volume of the pressure chamber in a case in which the driving signal is the third potential.

Abstract: The present invention provides a printing head comprising a plurality of sub-heads each comprising a base and a plurality of diversion trenches provided in the base, and one end of each of the diversion trenches is connected to one of nozzles of the sub-head. Projections of all the diversion trenches on a first plane in a first projection direction are arranged at an equal interval, the first plane is a plane defined by an arrangement direction and a length direction of the diversion trenches in the sub-head, and the first projection direction is a moving direction of the printing head with respect to a printing surface during printing. The spacing of the diversion trenches in each of the sub-heads is greater than that of the projections of all the diversion trenches in the first plane on the first projection direction.