Abstract: The present invention, among other things, relates to a method for producing a workpiece by press hardening a semi-finished product, which is distinguished by the fact that the semi-finished product consists of a steel which has a high content of silicon of at least 0.9 wt. %, with a simultaneously small content of manganese of less than 0.9 wt. %, a small carbon content of less than 0.25 wt. %, and a high chromium content of more than 1.20 wt. %, and which by heating is brought to a state in which the structure of the steel that is used is at least partially transformed to austenite, also optionally fully transformed to austenite, and the thus-heated semi-finished product is hot shaped so that after the hot deformation shaping, a structure is present in the workpiece that has a complex phase structure with predominantly martensite and ferrite fractions. In addition, a workpiece is described, which is produced according to this method, as well as uses of such a workpiece.

Abstract: Provided is a Cu—Ti-based copper alloy sheet material that satisfies all the requirements of high strength, excellent bending workability and stress relaxation resistance and has excellent sprig-back resistance. The copper alloy sheet material has a composition containing, by mass, from 1.0 to 5.0% of Ti, and optionally containing at least one of at most 0.5% of Fe, at most 1.0% of Co and at most 1.5% of Ni, and further optionally containing at least one of Sn, Zn, Mg, Zr, Al, Si, P, B, Cr, Mn and V in an amount within a suitable range, with the balance of Cu and inevitable impurities, and having a crystal orientation satisfying the following expression (1) and preferably also satisfying the following expression (2). The mean crystal grain size of the material is controlled to be from 10 to 60 ?m. I{420}/I0{420}>1.0 ??(1) I{220}/I0{220}?3.

Abstract: A method for creating a pyrophoric material according to one embodiment includes thermally activating a carbon foam for creating micropores therein; contacting the activated carbon foam with a liquid solution comprising a metal salt for depositing metal ions in the carbon foam; and reducing the metal ions in the foam to metal particles. A pyrophoric material in yet another embodiment includes a pyrophoric metal-carbon foam composite comprising a carbon foam having micropores and mesopores and a surface area of greater than or equal to about 2000 m2/g, and metal particles in the pores of the carbon foam. Additional methods and materials are also disclosed.

Abstract: The invention pertains to the protection of spectacles arms and relates to a protection member for a spectacles arm comprising an elongated tubular envelope (54) sealed against chemical agents, having an open end and having an essentially flat shape in the plane of a hook-shaped spectacles arms. The envelope (54) includes, at a location corresponding to the position of the bend of a hook-shaped spectacles arm, a device (62) preferably for folding about a transverses axis and for reducing at said location the distance between the inner edge of the bend of the spectacles arm and the edge of the member provided on the side of the bend interior. Application in hairdressing facilities.

Abstract: A cushion gum of having a diene rubber and between 5 and 60 phr of a plasticizing hydrocarbon resin having a glass transition temperature greater than about 20° C., 60° C. or even greater than 70° C. and a number average molecular weight less than 2000. The cushion gum may comprise between 10 and 30 phr of the resin in particular embodiments. The plasticizing resin may be a terpene resin comprising units resulting from the polymerization of limonene, alpha pinene, beta pinene or combinations thereof; homopolymers or copolymers of cyclopentadiene (CPD) or dicyclopentadiene (DCPD), homopolymers or copolymers of terpene, homopolymers or copolymers of a C5 cut and mixtures thereof; and/or copolymers of (D)CPD/vinyl-aromatic, of (D)CPD/terpene, of (D)CPD/C5 cut, of terpene/vinyl-aromatic, of C5 cut/vinyl-aromatic and of combinations thereof.

Abstract: A tire having an asymmetric tread pattern that land proportion of outer side area 2o is larger than inner side area 2i, but having a reduced difference in drainage performance between tires on right and left wheels, the tire having tread surface 2 divided by four circumferential grooves 3 and 4 into center land 5, middle lands 6, 6 and shoulder lands 7, 7, wherein middle land 6o and shoulder land 7o in the outer side area 2o are divided respectively by outer middle lateral grooves 8o and outer shoulder lateral grooves 10o into blocks 9o and blocks 11o, inclination direction of the middle lateral grooves 8o is opposite to that of the shoulder lateral grooves 10o with respect to tire axial direction, and the lateral grooves 8o and 10o are inclined at an angle ?mo between 5° and 45° and at an angle ?so between more than 0° and not more than 40°, respectively.

Abstract: The object of the present invention is to provide a pneumatic tire with an operation life elongated by a countermeasure for stone trapping. Projections 28 for preventing stone trapping are disposed on a groove bottom only of a flexion portion 24 of a center main groove 20 disposed on a tread portion 18 where the main groove bends in a zigzag manner, and an angle of a groove wall of a linear portion 26 connecting the adjacent bending portions with respect to a tread normal line direction is larger than an angle of a groove wall of the flexion portion 24 with respect to the tread normal line direction. This can suppress stone trapping at the same level as the conventional tire without providing a projection for preventing stone trapping on the linear portion 26.

Abstract: A vehicle tire that automatically replenishes air pressure is described. The vehicle tire includes a tire portion that surrounds a wheel and is filled with air, and an air pressure replenishing member that is arranged at the inside of the tire portion and coupled with a portion of the outer surface of the wheel to replenish the air pressure when the air pressure in the tire portion is low. The vehicle tire may automatically replenish the air pressure when the air pressure in the tire portion is too low by the air pressure replenishing member, and thus fuel efficiency and driving performance of the vehicle may be maintained at a constant level.

Abstract: The present invention is directed to a pneumatic tire comprising a carcass and an innerliner in direct contact with the carcass, the innerliner comprising a rubber composition comprising: at least one elastomer selected from the group consisting of butyl rubber, chlorinated butyl rubber, brominated butyl rubber, synthetic polyisoprene, natural rubber, styrene butadiene rubber, polybutadiene, copolymer of isobutylene and paramethylstyrene, and brominated copolymer of isobutylene and paramethylstyrene; epichlorohydrin rubber; and at least one delaminated talc having a BET surface area according to DIN 66131 of 10-40 m2/g, an average particle size (D50) of 4-8 microns, determined by laser diffraction measurement, and a lamellarity index of 3-15.

Abstract: A pneumatic tire for use with telescopic material handlers includes a first concentrically continuous sidewall protector rib projecting radially outward from the sidewall and located above a midpoint of the sidewall. A second non-continuous sidewall protector rib is located concentrically outward of the first sidewall protector rib. The tire is a relatively low aspect ratio tire having a relatively flat sidewall profile. This provides a tire having the advantage of added sidewall protection without increasing the overall width of the inflated tire.

Abstract: A pneumatic tire has a pair of bead portions, side wall portions, a tread portion, and a carcass ply rolled up in its end portion so as to pinch a bead filler. An outer surface of the side wall portion is provided with a concavo-convex region formed by arranging a lot of projecting lines extending in a tire circumferential direction in parallel in the tire diametrical direction, and an arranged density of the projecting lines becomes larger toward the outer side in the tire diametrical direction. An outer peripheral end of the concavo-convex region is positioned in the outer side than a position where an interface between a tread rubber and a side rubber is exposed, and an inner peripheral end of the concavo-convex region is positioned in an inner side than a leading end of the bead filler.

Abstract: A pneumatic vehicle tire has a profiled tread, two side walls, and at least one protective rib running on the surface of the side wall over its circumference. The protective rib is disposed above and with a spacing distance from a side wall marking or a side wall decoration. The protective rib has a lower negative contour with at least one recess, which is configured to correspond to the positive contour of the side wall marking or side wall decoration facing the protective rib, such that the protective rib at least partially accommodates the upper half of the side wall marking or side wall decoration in the recess.

Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition, the rubber composition comprising: at least one diene based elastomer; from 20 to 40 parts by weight, per 100 parts by weight of elastomer (phr), of silica; and from 10 to 25 weight percent of aluminum hydroxide; wherein the composition is self-extinguishing at a temperature of 1000° C., and the composition is exclusive of halogenated paraffins and antimony trioxide.

Abstract: A pneumatic tire 1 according to the present invention is summarized as, in a carcass line 5C passing through the center of the carcass layer 5, an outer carcass line 5C-1 extending from a position M where a width TW of the tire is maximum along an outer side in the radial direction of the tire extends along a natural equilibrium profile curve having a shape achieved when a tension in the carcass layer 5 is balanced when the tire mounted on a standard rim is inflated to a standard inner pressure, and a belt normal-line distance BL and a tread normal-line distance TL in a cross over area is constant or becomes shorter from a tire equatorial line CL toward an outside in a tread width direction, the crossover area being an area between the tire equatorial line CL and a lamination end D.

Abstract: A method and system of manufacturing multi-layered composite panels is disclosed wherein various geometrically configured inner core elements are attached along the core's edges to outer sheets of light-transmitting material using guided computer numerical control. The guided computer numerical control is used to apply adhesives and to direct adhesive cure devices, continuously or in parts, between the core and the skin to achieve an energy-efficient, structurally-enhanced integral light-transmitting façade panel.

Abstract: A substrate bonding apparatus is equipped with a first table that holds one wafer of two wafers, a stage device that holds the other wafer in an orientation capable of opposing to the one wafer and that is movable at least within an XY plane, an interferometer system that measures positional information of the stage device within the XY plane, a first mark detection system that can detect subject marks including alignment marks on the other wafer held by the stage device, and a second mark detection system fixed to a part (the second table) of the stage device that can detect subject marks including alignment marks on the one wafer held by the first table.

Abstract: A fiber composite article is wound on a mandrel in a vertical orientation to ensure even tension in the fibers. Composite material is preferably glass fibers and cement. The fibers are applied by an assembly that moves in vertical and horizontal directions and the cement may be applied to the fibers before they are wound. After the fibers and cement are applied to the mandrel, the article is vibrated to allow escape of air and to ensure even coating of the fibers. The apparatus for vibrating the wound article includes a flexible sleeve that surrounds the article and moves vertically to apply a vibrating radial compacting force. The article may then be wound with tape to compress the applied glass fibers and cement prevent the loss of water during curing. A compressible sock is placed on the mandrel between the mandrel and the article for easier removal of the article.

Abstract: It is disclosed an over-coating agent for forming fine patterns which is applied to cover a substrate having thereon photoresist patterns and allowed to shrink under heat so that the spacing between adjacent photoresist patterns is lessened, with the applied film of the over-coating agent being removed substantially completely to form or define fine trace patterns, further characterized by containing a water-soluble polymer and a water-soluble fluorine compound (e.g. a fluoroalkyl alcohol or a fluoroalkyl carboxylic acid). Also disclosed is a method of forming fine-line patterns using the over-coating agent. According to the invention, one can reduce microfoaming and defects to produce fine-line patterns that have good leveling and coating properties and which also present satisfactory profiles and meet the characteristics required of today's semiconductor devices.

Abstract: A tool on which material (M) can be moulded to form a moulded article, the tool comprising a surface, which may be provided on a surface layer, defining one or more pathways for the removal of gaseous material from beneath the material (M) being moulded on the tool.

Abstract: A process for joining, by spark plasma sintering, at least two refractory ceramic parts, each of the parts having at least one surface to be joined by spark plasma sintering, in which surfaces to be joined are brought into contact without addition of any sort between the surfaces. Then, a joining pressure of 1 to 200 MPa is applied to the ceramic parts. A pulsed electric current having an intensity of 500 A to 8000 A is applied to the ceramic parts so as to raise the temperature of the parts to a joining temperature of at least 1300° C. Then, the electric current is terminated simultaneously with the pressure, and the parts are cooled, and the joined parts are recovered.

Abstract: The invention relates to a method for the manufacture of a ceramic component of desired final geometry using at least a cellulose-containing semi-finished moulded part, which is pyrolysed in non-oxidizing gas atmosphere. In order to manufacture complex components, it is suggested that at least two semi-finished moulded parts are firmly joined either in raw form or after at least partial carbonisation. The joined moulded parts are subsequently machined to achieve the desired final geometry or a geometry corresponding to the desired final geometry plus the machining allowance. Then, the carbon parts are available after carbonisation of the moulded parts in non-oxidizing atmosphere. Alternatively, these can be converted into a CMC composite material in a non-oxidizing gas atmosphere by a metal infiltration process with simultaneous reactive joining of at least two moulded parts.

Abstract: Method for producing a fuel tank provided with internal accessories and having a wall made of plastic made in a single piece by moulding a split parison or a parison in at least two parts, said method comprising the following steps: a) the parison is introduced in the heat-softened state into a mould comprising dies; b) a core on which the accessories are placed is introduced inside the parison; c) the parison is pressed onto the dies of the mould; d) the accessories are fastened to the parison with the aid of the core in an ideal layout; e) the core is withdrawn and the mould is closed; f) the tank is moulded from the parison; and g) the tank is removed from the mould.

Abstract: The present invention provides one-component silicone compositions, particularly useful as sealants, having low modulus and high elongation, as well as good resistance to high temperatures and humidity, and methods for preparing these sealants. In particular, the present invention provides compositions including a chain-extended curable polyorganosiloxane, a high molecular weight silicone gum and a cure system. The compositions may be used, for example, in sealing the stitching of automotive airbags.

Abstract: A core handling apparatus is provided for a tire building core. The handling apparatus includes a base plate; a latching mechanism mounted to the base plate and operably inserting into an axial opening at a remote end of a first spindle mechanism connected to a tire building core assembly. The latching mechanism has a latching member operably engaging the first spindle mechanism from within the axial opening. A handle mechanism mounts to the base plate and extends outward. The handle mechanism rotates under manual power to rotate the core assembly through the latching mechanism into alternate angular orientations. The core handling apparatus latching mechanism moves between a radially retracted position that facilitates a close insertion into the spindle mechanism axial opening and a radially extended second position from within the spindle mechanism axial opening to engage the spindle mechanism.

Abstract: A method of making a linear heater includes the following steps. Firstly, a linear supporter is provided. Secondly, a carbon nanotube structure is made. Thirdly, the carbon nanotube structure is attached on a surface of the linear supporter. Finally, at least two electrodes are provided and electrically connected to the carbon nanotube structure.

Abstract: A method of bonding material in a process system for producing a bonded product includes the steps of loading a plurality of rolls of elastomeric material in an unwind system; programming a controller with an unwind speed and a rewind speed, the controller in communication with the unwind system and a rewinder disposed downstream from the unwind system for respective communication of the unwind and rewind speeds to the unwind system and the rewinder; unwinding a quantity of material from the plurality of rolls of elastomeric material into a pressure bonder disposed upstream of the rewinder, the pressure bonder and the rewinder operating faster than the unwind system operating at the unwind speed to generate a speed differential, wherein the speed differential imparts a stretch state to the quantity of material; and bonding the stretched quantity of material with the pressure bonder.

Abstract: This invention provides a method for producing a structural component, particularly in the aerospace sector. An unhardened prepreg fabric is formed from a composite fibre material, hardenable at a first hardening temperature, into a predetermined shape. The unhardened prepreg fabric is then connected to at least one hardening part of a composite fibre material partially hardened at a second hardening temperature for holding the unhardened prepreg fabric in the predetermined shape, wherein the second hardening temperature is lower than the first hardening temperature. In a further method step the unhardened prepreg fabric connected to the at least one holding part is hardened at the first hardening temperature to form the structural component.

Abstract: Process for the manufacture of an elongated, multilayered tubular body (1) comprising an elongated, tubular inner hollow core (5), optionally an elongated, tubular inner casing (4) and an elongated, tubular outer casing, the inner casing, when present, surrounding the hollow core, the outer casing surrounding the inner casing, when present, or otherwise the hollow core, the outer casing comprising at least two layers (2, 3), each layer consisting of one or more longitudinally preformed, flat elongated metal strips, the preforming of the strips such that the strips have been bent helically in such a way that the consecutive windings of the helix or helices touch or almost touch to each other, each strip in one layer overlapping with other strips in other layers, the layers in the outer casing being bound to each other by an adhesive.

Abstract: A method relates to the production of paper rolls for examination tables, obtained from a tape (100) of embossed paper, having two layers (10, 20), joined together. The band (100) is obtained in known way from two continuous webs (1, 2), subjected to subsequent steps of embossing, glue (C) application, coupling and stabilization. The method includes applying measured quantities of a sanitizing and/or disinfectant substance (S) between the two layers of embossed paper (10, 20) before their joining; preferably, the substance (S) is applied to the same continuous web (1) that is aimed at receiving the glue (C), after the embossing step and contemporarily with the glue (C) application, by spot-application of a mixture (M) in aqueous solution containing suitable percentage of the glue (C) and sanitizing substance (S) to the tops (11A) of the embossing relieves (11.) In this case, the application means (240) for sanitizing substance (S) are formed by the same means (220) for applying the glue (C).

Abstract: A collapsible bladder has flexible outer walls and at least one strut inside the enclosure. The strut is connected to the outer walls and controls the shape into which the enclosure may be collapsed.

Abstract: A method for making a heater is provided. A carbon nanotube structure is made, and a first electrode and a second electrode are provided. The first and second electrodes are electrically connected to the carbon nanotube structure.

Abstract: A method for high-volume production of light emitting diodes with attached lenses involves providing pre-fabricated lenses, wherein the pre-fabricated lenses are held by a common transfer structure, simultaneously attaching the pre-fabricated lenses to respective ones of light emitting diodes, and releasing the pre-fabricated lenses from the common transfer structure. In an embodiment, the light emitting diodes are distributed in a pattern on a common substrate and the common transfer structure is configured to hold the pre-fabricated lenses in a pattern that corresponds to the pattern of the light emitting diodes on the common substrate. Further, to attach the pre-fabricated lenses to the light emitting diodes, the common transfer structure is positioned relative to the common substrate such that the pre-fabricated lenses are aligned with the light emitting diodes.

Abstract: The present invention provides a manufacturing method of three-dimensional cross-linked foam for uppers of shoes that comprises preparing plural foaming materials having a planar shape with the cross-linked foaming suppressed; forming at least one interfacing pattern including a main interfacing pattern on at least one of the foaming materials; cross-linked foaming the foaming material to obtain a planar cross-linked foam having at least one inner cavity structure including a main inner cavity structure, the main inner cavity structure formed by the main interfacing pattern; cutting a portion of a contour of the main inner cavity structure to expose the main inner cavity structure; putting a last into the exposed main inner cavity structure and disposing the cross-linked foam in a cavity of a molding die together with the last; and compression molding the disposed cross-linked foam after closing the molding die, inner and outer surfaces of the cross-linked foam formed in shapes corresponding to an outer surfa

Abstract: A product and method for displaying athletic data and certain information on skin is described. Said information being, but not limited to, an athlete's pacing goals for an athletic event, a course map, or other event information helpful to an athlete while competing in an athletic event. Said information preferably being displayed in the form of a temporary tattoo that can be applied to an athlete's skin so that the information is readily available and convenient to use during the event.

Abstract: The present invention relates to polymers comprising absorption pigments, which are distinguished by the fact that they have high absorption in the near IR region, and to the use thereof, in particular in thermoforming and in IR light welding.

Abstract: A method for manufacturing a transflective LCD panel having a transmissive region and a reflective region includes steps of providing an upper substrate and a lower substrate in parallel, forming a first alignment film on the upper substrate, forming a reflective layer on the reflective region of the lower substrate, forming an first insulating layer to cover the reflective layer and the lower substrate, forming a second insulating layer to cover the first insulating layer, forming positive and negative driving electrodes wrapped in the second insulating layer, forming a coplanar second alignment film to cover the second insulating layer, packaging the upper substrate and the lower substrate, and filling liquid crystal molecules.

Abstract: A mandrel for composite fabrication includes an open cell foam carrier and at least one vacuum bag enclosing the open cell foam carrier.

Abstract: An elongate masking article (1) that can be removably-attached to a vehicle for masking a surface to be painted, the article being formed from polymeric foam which, on the external surface of the article, or at least a lengthwise-extending part thereof, comprises an integral skin (7). The position of the integral skin on the article is such that, when the article is attached to a vehicle for masking a surface to be painted, at least a part of the skin will face generally towards the direction from which paint will be applied.

Abstract: A seaming system for forming a seam is disclosed, wherein the seam consists of at least two opposed sections of high-modulus, high-tenacity, low-elongation fabric sections joined by a tape. The system comprises a seamer head, and a seamer base that includes a topography configured to impart a predetermined pressure gradient to the adhesive layer, tape, and fabric sections of the seam. The resultant seam has a cross-section or thickness profile that generally corresponds to that of the applied pressure gradient. As such, the constructed seam more efficiently distributes stress imparted from any applied load.

Abstract: A bonding tool and method A bonding tool and method for bonding together layers of a MEMS transducer device, including at least one layer of a piezoelectric material, and an intermediate reinforcing layer of titanium, or other metal, comprising: positioning the layers above one another and spaced apart by means of spacing members, heating said layers to a bonding temperature, and retracting the spacing members so as to bring the layers together under pressure to effect a bond between adjacent surfaces of the layers, wherein a press head is employed with a compliant caul for evenly distributing the press force; and permitting said layers to cool to an operating temperature in which said piezoelectric layer is under compressive strain and the titanium layer is under tensile strain.

Abstract: An article is disclosed which constitutes a multilayered plaster for application to the skin. It comprises an adhesive layer (1), a printed carrier layer (2), a coating layer (3) comprising at least one fragrance and a removable protective layer (4). In one particular embodiment, the fragrance is contained in microcapsules.

Abstract: A method for manufacturing a working template for use in imprint lithography is disclosed, which in an embodiment, involves contacting a first target region of an imprintable medium on a working template substrate with a master template to form a first imprint in the medium, the imprint defining a part of a working template pattern, separating the master template from the imprinted medium, contacting a second target region of the medium with the master template to form a second imprint in the medium, the second imprint defining a further part of the working template pattern, and separating the master template from the imprinted medium.

Abstract: A vacuum vessel and at least two electrodes define an internal process space. At least one power supply is connectable with the electrodes. A substrate holder holds a substrate to be treated in the internal process space. At least one of the electrodes has along a first cross section a concave profile and has along a second cross section a convex profile, the first cross section being parallel to the second cross section. Gas is provided to the space through a gas inlet. Power is provided to the electrodes and the substrate is treated.

Abstract: The invention relates to a method of cleaning the surface of a material that is coated with an organic substance. The inventive method is characterized in that it comprises the following steps, consisting in: introducing the material into a treatment chamber, having a pressure of between 10 mbar and 1 bar therein, which is supplied with a gas stream containing at least 90 volume percent of oxygen; and generating a plasma by passing an electric discharge between the surface of the material and a dielectric-covered electrode in order to break down the organic substance under the action of the free radicals O thus produces. The invention also relates to an installation that is used to carry out said method.

Abstract: A lay-up head receives a prepreg bonded to a support tape, and the prepreg is separated from its support tape by peeling, by means of a separator just upstream of a depositing member for depositing the prepreg tape on a deposition tool; the head includes, downstream of the separator, a retractable device for moving the prepreg away from the support tape, allowing the prepreg to be moved away just upstream of the separator, by means of which the prepreg can be separated earlier when the retractable device is activated.

Abstract: A label affixing apparatus enables an RFID tag to be affixed to a product at a distance from the product. The apparatus comprises: a folding/affixing device which conveys a label, a label holder holds a front surface side of the label, a folding device causes a part of the label including a tag attachment site to project by folding the part from a rear surface side to the front surface side into an angular shape. Either traction is suppressed when the label is affixed to the product. A reader/writer has an antenna in a position facing the part of the label when the part of the label is folded, for reading and writing information from and to the RFID tag. A fold detector detects if the label is folded. The label holding device moves between a label suction position and a label affixing position. Folding is assisted from a rear surface side of the part of the label.

Abstract: The invention relates to a sonotrode (1) for ultrasonic machining workpieces. The sonotrode (1) is connected on the input side to a drive (5) with at least two ultrasonic transmitter units excited by an ultrasonic generator, is provided with a narrow and long machining surface (12) in front on the output side of the sonotrode, and is provided, at the side, with at least slot (10) situated approximately between two ultrasonic transmitter units. In order to obtain a narrow and long machining surface (12) in front on the output side of the sonotrode (1), whereby the machining surface has a length of more than twice the effective machining length so that it extends away over the crosswise dimension even of a wider workpiece, and the height of the device, which is measured from the front machining surface to behind over the drive (5), is not significantly greater than ?/2.

Abstract: An apparatus and method for printing and wrapping adhesive backed labels around elongate articles, such as electrical wires, including a rotatable puck assembly having an interrupted circumferential surface defining an opening for receiving an elongate object to be labeled and wing members for applying said label during rotation.

Abstract: A seaming system for forming a seam is disclosed, wherein the seam consists of at least two opposed sections of high-modulus, high-tenacity, low-elongation fabric sections joined by a tape. The system comprises a seamer head, and a seamer base that includes a topography configured to impart a predetermined pressure gradient to the adhesive layer, tape, and fabric sections of the seam. The resultant seam has a cross-section or thickness profile that generally corresponds to that of the applied pressure gradient. As such, the constructed seam more efficiently distributes stress imparted from any applied load.

Abstract: A tool for pulling a first and second tire bead off of a wheel assembly. The tool is inserted between the bead to be removed and the rim edge, and engages the bead to be removed with a grappling structure and pulls the bead over the rim edge by a linear drive assembly disposed inside a tubular structure affixed to the grappling structure. Simultaneously an angled stay is positioned on the rim which is pressed in an opposite direction of the pulling motion. A second embodiment pulls the rim from a second bead of a tire. A hook is inserted between the rim edge and the second tire bead and hooks onto the lower rim edge. A linear drive assembly provides a pulling motion to pull the rim over the second bead, while a push plate simultaneously pushes the tire side wall in an opposite direction from the pulling motion.