Abstract: A pneumatic tire is provided. A rib includes a lug groove that opens at a first end portion to one of the main grooves and terminates at a second end portion within the rib, a first sipe that opens at a first end portion to the one of the main grooves the lug groove opens to and opens at a second end portion to the lug groove, and a second sipe that opens at a first end portion to another main groove located on the opposite side of the one of the main grooves the lug groove opens to and opens at a second end portion to the lug groove; and the first sipe and the second sipe each include a chamfered portion on the edge on the leading side or the edge on the trailing side.

Abstract: A method for the production of an elastic laminate, comprising the following steps in a same production line: to coextrude a first web of elastic film (F) with at least three layers (F1, F2, F1), comprising at least two different polymer materials, to feed contemporaneously said coextruded first elastic film (F) web and two second nonwoven webs (T1, T2) to a thermal, binding calender (14), wherein the first elastic film web is arranged between said two second nonwoven webs when entering the calender; wherein said first elastic film web, during the movement from the coextrusion step to the thermal binding step, passes from a melted state, in the coextrusion step, to a solidified and cold state when entering the calender, to join, through spot welding in said calender, said second nonwoven webs with respective opposite outer layers of said first elastic film web, thus producing an intermediate web (P1), to stretch mechanically said intermediate web according to a direction transverse to the same web.

Abstract: An apparatus and a method for preparing a multi-directional continuous fiber-reinforced composite material. The apparatus includes an electrostatic fiber-splitting device configured to controllably split a fiber bundle, a powder spreading device configured to spread a powder, and a pre-press molding device configured to cut the fiber and compact the powder. The electrostatic fiber-splitting device includes a rotatable fiber-splitting table. The pressing plate is controlled by an electromagnet, and the pressing plate is energized to generate a high-voltage electrostatic field to disperse the continuous fiber bundle into monofilament fibers.

Abstract: A molding machine places strips of a tape material side by side and molds the tape material into a molded shape having a web portion and a flange portion, the tape material including a continuous fiber bundle extending in a longitudinal direction. The molding machine includes spreading unit able to increase a width of the tape material by spreading the tape material, and a laying roller that places the tape material which has passed through the spreading unit onto a surface of a molding tool. The spreading unit continuously changes the width of the tape material to avoid generation of a gap between adjacent strips of the tape material, the adjacent strips being adjacent to each other when the tape material is placed on the surface of the molding tool, and the laying roller places the strips of the tape material side by side in a plurality of rows.

Abstract: The present invention discloses an LCP film production apparatus and method. The apparatus includes: a rack; a screw extrusion device; a T-shaped material port; a squeezing assembly, where the squeezing assembly includes a first roller wheel, a second roller wheel, and a third roller wheel, the first roller wheel and the second roller wheel are fixedly mounted directly below the T-shaped material port side by side, and the third roller wheel is fixedly mounted next to the second roller wheel side by side; and an electromagnetic field generator, fixedly connected to the T-shaped material port and mounted around the T-shaped material port in a circle by means of bolts, where the screw extrusion device is fixedly mounted at the top of the rack, and the T-shaped material port is fixedly mounted on one end of the screw extrusion device.

Abstract: Provided is a method for manufacturing a fiber reinforced resin molded article capable of effectively reducing the occurrence of a preform with poor resin impregnation, and such a manufacturing device thereof. After it is detected that a predetermined amount (the same amount) of resin has been individually poured into a plurality of cavities provided in a mold, the fiber layers of preforms are impregnated (compressively filled) with resin. Pressure sensors for detecting a resin injection amount are used. When closing runners, a small gap is formed in the runners.

Abstract: The invention relates to a device for gripping a container preform having a base, a spindle which is mounted on the base, and an ejector at least partially surrounding the spindle. The spinner includes a spindle mounted such that it pivots in a sliding manner in relation to the base and a spinner tip removably fixed to the spindle. The ejector partially surrounds the spinner and is able to occupy a working position in which it is secured to the base. The spinner tip and the ejector are respectively provided with an imprint and a complementary counter-imprint. The ejector can be removed from the base and can occupy a tooling position in which the counterpart thereof cooperates with the cavity of the spinner tip so that they rotate together.

Abstract: Method of moulding a moulding material to form a moulded part of carbon fibre-reinforced resin matrix composite material in which a sheet moulding compound is moulded which can provide panels, for example for use as vehicle body panels, which have the combination of very low thickness, very light weight, very low warping and surface defects, and very low anisotropy with regard to localised fibre and resin distribution and their associated appearance and mechanical properties.

Abstract: A method of forming a nipple for a baby bottle, comprises: forming a lower conical wall section; forming a higher conical wall section molded above the lower conical wall section; preventing deformation of the higher conical wall section; and cutting an opening through the higher conical wall section into an interior section of the nipple.

Abstract: Methods, apparatus, and systems for cutting material used in fused deposition modeling systems are provided, which comprise a ribbon including one or more perforations. Material is passed through at least one perforation and movement of the ribbon cuts the material. A further embodiment comprises a disk including one or more blade structures, each forming at least one cavity. Material is passed through at least one cavity and a rotational movement of the disk cuts the material. A further embodiment comprises a slider-crank mechanism including a slider coupled to a set of parallel rails of a guide shaft. The slider moves along a length of the rails to cut the material. Yet another embodiment comprises one or more rotatable blade structures coupled to at least one rod. The rotation of the blade structures causes the blade structures to intersect and cut extruded material during each rotation.

Abstract: An approach is provided for a three-dimensional (3D) printing method for forming a 3D object. The approach provides for printing a structure of the 3D object by depositing a thermoplastic material, in which the thermoplastic material is radiolucent. The approach provides for printing one or more radio-opaque markers by depositing another material, which includes at least a radio-opaque material. The approach integrates the one or more radio-opaque markers with the structure of the 3D object.

Abstract: A thermoforming method includes forming a skin comprising a plurality of plies thermoplastic resin and fiber, securing an edge of the skin to a mandrel, heating, via a heating element, the skin to a forming temperature, moving a thermoforming apparatus with respect to the mandrel, rolling at least one roller of the thermoforming apparatus along the skin in a direction away from the clamped edge of the skin in response to the thermoforming apparatus moving with respect to the mandrel, and in response to the at least one roller of the thermoforming apparatus rolling along the skin, compressing the skin between the at least one roller and the mandrel, consolidating the plurality of plies of material, and bending the skin to conform to a shape of the mandrel. The consolidated and formed skin is then cooled and removed from the mandrel.

Abstract: A tire includes a tread, sidewalls, beads, and pairs of first and second grooves formed in the tread. A first land is between the first grooves, and second lands are between one of the first and second grooves and between another of the first and second main grooves. First sipes and lateral grooves are in the first land, at the same angle, the first sipes being connected to the lateral grooves. The first sipe and the lateral groove open to one of the first grooves. Second sipes and auxiliary grooves are in a bent shape in the second land. The first and second sipes are oriented the same. The auxiliary groove includes first and second portions. An intersection angle of the first portion with the second sipe is within 45° to 90°. A length a of the first portion and a length b of the second portion satisfy 0.05×a?b?0.4×a.

Abstract: An assembly for preforming a reinforced fabric sheet may have at least one frame and a plurality of gripping devices. Each gripping device of the plurality of gripping devices may be suitable for gripping an edge portion of the reinforced fabric sheet. The assembly may have a moving system with a plurality of first moving devices. The movement of each first moving device may be independent of the other first moving devices. Each gripping device of the plurality of gripping devices may be associated with a first moving device. The first moving device may be suitable for moving each gripping device of the plurality of gripping devices independently of the others.

Abstract: A method for managing the temperature of three-dimensional object during additive manufacturing includes depositing material on a partial fabrication of the three-dimensional object, determining thermal properties of the three-dimensional object after depositing the material, and controlling cooling of the object according to said thermal properties. In some examples, the determining of the thermal properties includes determining a temperature variation across the object and controlling position-dependent cooling of the object in a feedback arrangement. Resulting uniform temperature of the object under fabrication can improve dimensional accuracy and material properties of the object.

Abstract: An additive manufacturing system comprises an additive manufacturing apparatus forming a molded object by curing slurry which becomes a base material of the molded object and a removing apparatus removing slurry attached to the molded object, in which the removing apparatus comprises a container having an axis of rotation and a peripheral wall provided with a plurality of small holes, the container permitting the molded object to be fixed therein, and a drive unit driving the container to rotate around the axis of rotation.

Abstract: In one example in accordance with the present disclosure, an additive manufacturing platform is described. The additive manufacturing platform includes a vibrating bed on which a volume of build material is to be disposed. The bed is to vibrate to remove excess build material and operates in at least two extraction modes during a build material extraction period. The additive manufacturing platform also includes a non-vibrating frame to support the vibrating bed.

Abstract: A first forming apparatus includes a forming drum, a forming unit, a conveyance path, and a conveyance unit that conveys the forming drum along the conveyance path. A tire member is formed with tire components wound on the forming drum by the forming unit. The first forming apparatus also includes a measurement unit that performs, on a downstream side of the forming unit in the conveyance path, measurement on the tire components wound on the forming drum while the forming drum is moving through the measurement unit, in a tire radial direction over a width direction of the forming drum, and an inspection unit that performs inspection on winding states of the tire components based on a measurement result due to the measurement unit.

Abstract: A device includes a carriage movable relative to a build pad along a bi-directional travel path and supporting at least a radiation source and an applicator to selectively apply a plurality of fluid agents, including first fluid agents to affect a first material property. A timing and order of operation of the radiation source and the applicator, with the carriage, is to maintain first and second portions of a 3D object under formation within at least one selectable temperature range despite a first total volume of the first fluid agents for application onto the first portion of the 3D object being substantially greater than a second total volume of second fluid agents for application onto the second portion of the 3D object.

Abstract: A molding system and methods of forming a structure are presented. The molding system is configured to sequentially form features of a structure. The molding system comprises a first tool comprising a number of features configured to completely form a first set of radii of a structure and a number of partial forming features configured to partially form a second set of radii of the structure, and a second tool comprising a number of completion features configured to complete shaping of the second set of radii.