Abstract: A mold for manufacturing products made of composite materials, which comprises at least one functional portion made of a composite material joined to at least one interface made of a composite material which projects at least partially around the functional portion, said mold being provided with one or more mechanic fastening devices for the coupling with at least another mold.

Abstract: An apparatus and method for releasing a lens molded in a cavity between posterior and anterior mold sections and adhered thereto. A post is configured to support a flange of the posterior section while the anterior section remains spaced from the post. Posterior section is compressed between a pin applied to an outer concave surface of the posterior section and the post, thereby initially releasing peripheral regions of the posterior section and subsequently the remaining portions thereof. Upon separation, the anterior section together with the lens drops onto the post so that its outer convex surface rests on the post. A collar unit with gas channels presses against a flange of the anterior section while blowing jets of gas towards an interface between a “monomer” ring formed around the lens. In this manner, initially the “monomer” ring and then peripheral regions of the lens are separated from the anterior section.

Abstract: A machine for making cotton candy includes a shell, a sugar-spinning unit and a scraping unit. The sugar-spinning unit includes a heater located in the shell for heating and melting sugar, a bowl located around the heater, a lid located on the bowl, and a primary motor for spinning the heater and the bowl to spin the molten sugar. The scraping unit includes a holder located in the shell, a stopper connected to the holder, a lever pivotally connected to the holder, a first scraper attached to the lever, a second scraper pivotally connected to the holder, a hook connected to the second scraper, a spring for connecting the lever to the second scraper, a difference motor, and a crank including an end connected to a mandrel of the difference motor and an opposite end connected to a pin movably inserted in a slot defined in the lever.

Abstract: An imprint method for imprinting a pattern of a mold onto a resin material on a substrate. The imprint method includes a step of forming a processed area in which an imprint pattern corresponding to the pattern of the mold is formed, and an outside area formed of a periphery of the processed area, by bringing the mold into contact with the resin material formed on the substrate, so that a portion of the resin material is extruded from the processed area into the outside area, a step of forming a protection layer for protecting the processed area, and a step of removing a layer of the resin material in the outside area, while the imprint pattern formed on a layer of the resin material in the processed area, is protected by the protection layer, so as not to be removed.

Abstract: The present invention aims to provide a molding machine which allows a simplification of a sand filling operation, and the prevention of the formation of a bridge and an air channel in the sand tank, so that the sand filling operation of the molding machine being able to be performed steadily.

Abstract: An apparatus and method for releasing a lens moulded in a cavity between posterior (21) and anterior mould (22) sections and adhered thereto. A post (30) is configured to support a flange (20) of the posterior section whilst the anterior section remains spaced from the post. Posterior section is compressed between a pin (40) applied to, an outer concave surface (29a) of the posterior section and the post, thereby initially releasing peripheral regions of the posterior section and subsequently the remaining portions thereof. Upon separation, the anterior section together with the lens (10) drops onto the post so that its outer convex surface (29a) rests on the post. A collar unit (50) with gas channels (53) presses against a flange (200) of the anterior section whilst blowing jets of gas towards an interface between a “monomer” ring (11) formed around the lens. In this manner, initially the “monomer” ring and then peripheral regions of the lens are separated from the anterior section.

Abstract: An injection molding machine (10) comprises an injection molding tool (14) having a mold cavity, in which a molded part can be produced by overmolding a mold core of metal inserted into the mold cavity using an injection molding material, and a melting tool (18) by means of which the mold core overmolded with the injection molding material can be melted out, wherein the melting tool (18) comprises at least one current-carrying element (28) by which eddy currents can be generated in the material of the mold core.

Abstract: An apparatus and method for fabricating a three dimensional model from a composite model formed or a plurality of successive layers of model material and sacrificial mold material. Each successive layer is constructed by depositing, drop-by-drop, at least one line of sacrificial mold material delineating at least one boundary of the model material within the layer and thereafter depositing the model material onto all delineated regions of the layer by spray deposition. Each successive layer is completed by a planing process which removes the undesired thickness of both the sacrificial and the model materials. Following completion of the composite model, the sacrificial mold material is removable from the composite model, by a process effecting only the sacrificial mold material, to produce the three dimensional model. A device, for depositing the model material at the rate faster than the rate that the mold material is deposited, is also described.

Abstract: A method of manufacturing lazurite-made faucet and apparatus thereof makes use of injecting wax into a soft silicone mold to form a wax mold, coating gypsum on the wax mold to form a gypsum body, heating the gypsum body to melt and guide the wax mold thereout to form a hollow gypsum body. Alternatively, a stainless steel body can be coated by gypsum to be placed in a shaping cast, and a heating furnace filled for melting lazurite pellets into liquid lazurite and dripping them into the shaping cast to fill the vacant space between the bodies and the shaping cast. After cooling, the shaping cast is taken out to attain a preliminary lazurite-material faucet body. Lastly, the gypsum body is smashed to shape the lazurite-made faucet body; with a further surface processing procedure and assembling with other parts, a satisfied and worthy lazurite-made faucet is achieved.

Abstract: In a collapsible mold and a method of manufacturing the same, the collapsible mold has extremely low moisture-absorption properties, does not change in surface properties thereof due to absorption of moisture and swelling, and is storable for a long time without absorbing moisture and swelling. Specifically, the method manufactures a collapsible mold containing at least any of calcium oxide and magnesium oxide. The method includes a step of bringing the collapsible mold into contact with carbon dioxide immediately after a step of burning the collapsible mold or a step of casting the collapsible mold.

Abstract: There is described a method and apparatus for covering a cylindrical roll core with an elastomeric material, the roll core having a longitudinal axis of rotation and an outer surface for receiving the elastomeric material thereon, the apparatus comprising a pair of opposed vertically aligned rotatable chucks for receiving and securing the roll core therebetween for rotation of the roll core about its longitudinal axis, the chucks holding the roll core vertically stationary, a dispenser for helically winding a length of flexible tape around the roll core from the bottom to the top thereof in spaced apart relation to the roll core's outer surface to form a containment sheath defining an annular space between the outer surface and said tape, said tape being wound in response to rotation of the roll core by the chucks, a mixing head for discharging the elastomeric material into the annular space concurrently with the space's formation as the flexible tape is wound around the roll core, a support for the dispenser

Abstract: An assembly and related process for mass producing a resin coated article including an input line transporting a plurality of inserts and an output line removing the resin coated articles. One or more mold supporting and closed loop conveyor lines extend between the input and output lines, the conveyor line including a mold assembly line and an empty mold return line. A first lift and transfer mechanism communicates between the input line and mold assembly line for collecting, in succession, an insert and an upper mold half for installation with a lower mold half supported upon the assembly line. A mixing and dispensing station communicates with each mold in succession to fill an interior thereof with a viscous and curable resin material.

Abstract: An arrangement and method are provided for supplying material to production equipment for ceramic products. The arrangement comprises a first unit that can be at least partially surrounded by a second unit to which it is secured via its outer surface. The second unit can be designed so that it can be fed forward and divided by the production equipment. The first and second units can be arranged to facilitate silhouetting in at least the first unit and to facilitate the creation of at least one securing part between the first and second units. The securing part can comprise one of a combination of the material of the second unit with a joining material and a combination of the material of the first unit with the joining material.

Abstract: A degradable sipe blade for forming sipes in a tire tread, where the degradable material may be removed by exposure to water. A tire curing apparatus is also provided having a plurality of degradable sipe blades affixed to the mold surface within the tread pattern. In addition, a cured tire is provided having the degradable sipe blades embedded in the tread elements of the tire tread after removal of the cured tire from a curing mold. Further provided is a method for forming sipes in a tire tread using degradable blading.

Abstract: A multi dental flask system. The system includes a boot, at least two dental flasks, a sleeve, and a wrench. The boot is affixed to a surface. The at least two dental flasks are stacked one on top of the other. A lowermost dental flask of the at least two dental flasks is non-rotatably received in the boot. The sleeve is replaceably affixed to the lowermost dental flask of the at least two dental flasks and houses the other at least one dental flask of the at least two dental flasks so as to allow the at least two dental flasks to be processed simultaneously. The wrench receives the sleeve and replaceably affixes the sleeve to the lowermost dental flask.

Abstract: A machine for the manufacture of flexible moulds is described, in particular for the obtainment of lipsticks or the like, which comprises a female mould including at least one moulding cavity fillable with a plastic fluid, a male mould including at least a male stem and means to insert said male stem into said cavity of the female mould after the same has been filled with said plastic fluid and to extract it from the same after a prefixed cooling period suitable to transform said fluid plastic into a flexible mould.

Abstract: A mold used in duplicating a denture consists of a tissue side mold section and an exterior side mold section. The tissue side mold section is made of a dimensionally stable material, such as dental stone or an addition-cured silicone rubber, so that the tissue side of the denture can be accurately reproduced at a later time. The exterior side mold is made of a resilient material, so that the original denture and its duplicate can be removed from the mold. The mold sections are housed in a two part flask that was initially used to fabricate the mold sections. The mold is fabricated by the steps of forming an impression of the original denture, and of fabricating a replacement denture using this mold.

Abstract: A process is disclosed for hydrolyzing an oil or fat by mixing and feeding an oil-phase substrate and a water-phase substrate to a packed layer with an immobilized enzyme packed therein. The oil or fat is subjected to a hydrolytic reaction under feeding conditions such that a shear stress factor (?w), which is applied to a surface of said immobilized enzyme and is expressed by the following formula (1): ?w=(?P/L)×dp×?/(1??)??(1) wherein ?P represents a maximum pressure loss [MPa] through said packed layer during said hydrolytic reaction, L represents a thickness [m] of said packed layer, dp represents a weight-basis average particle size [m] of particles of said packed, immobilized enzyme, and ? represents a void volume [-] of said packed layer, remains within a range of from 1×10?4 to 1.4×10?3 MPa.

Abstract: A method of replacing a lost denture includes the steps of forming a mold 20 as an impression of the original denture, and of fabricating a replacement denture using this mold. The mold consists of a tissue side mold section and an exterior side mold section. The tissue side mold section is made of a dimensionally stable material, such as dental stone or an addition-cured silicone rubber, so that the tissue side of the denture can be accurately reproduced at a later time. The exterior side mold is made of a resilient material, so that the original denture and its duplicate can be removed from the mold. An injection passage and overflow passages can be drilled into the exterior side mold section so that a liquid resin can be injected to adequately fill the mold cavity to form the gum portion of the duplicate denture.

Abstract: An apparatus for manufacturing a lens with a predetermined prescription from a number of lens molds, a gasket, and a source of a fluid material. The apparatus includes a device for selecting a first lens mold and a second lens mold based upon the prescription, a device for positioning the lens molds within the gasket, a device for inserting an amount of the fluid material within the gasket and between the molds, a device for curing the fluid material so as to form the lens, and a device for advancing the lens molds along a predetermined path through the selecting device, the positioning device, the fill device, and the cure device.

Abstract: A method of replacing a lost denture includes the steps of forming a mold 20 as an impression of the original denture, and of fabricating a replacement denture using this mold. The mold consists of a tissue side mold section and an exterior side mold section. The tissue side mold section is made of a dimensionally stable material, such as dental stone or an addition-cured silicone rubber, so that the tissue side of the denture can be accurately reproduced at a later time. The exterior side mold is made of a resilient material, so that the original denture and its duplicate can be removed from the mold. An injection passage and overflow passages can be drilled into the exterior side mold section so that a liquid resin can be injected to adequately fill the mold cavity to form the gum portion of the duplicate denture.

Abstract: Method of manufacturing a ribbed structure with fiber-reinforced composite material is provided. A mold for the structure is prepared having a mold surface. Non-hardened resin containing reinforcing fibers are placed on the mold surface of the structure mold. A mold for a rib is formed by using a material containing biodegradable polymers. Non-hardened resin containing reinforcing fibers are laminated on the rib mold, and then the rib mold is placed in a predetermined position on the non-hardened resin containing the reinforcing fibers tin the mold surface of the structure mold. The non-hardened resins are hardened and the rib mold is biochemically degraded wherein in the hardening of the resins, the resin hardened on the rib mold and the resin hardened on the mold surface of the structure mold are united with each other.

Abstract: This invention provides a safety helmet in the form of a cycling helmet or similar. The helmet has an outer shell and an energy-absorbing liner within the outer shell. The energy-absorbing liner is provided by a cellular textile material combined with a matrix material to form a composite. The composite material retains some porosity from the original textile material to both improve breathing of the liner and also its capability for large deformations to improve energy absorption. The liner may also be provided with a linkage structure to link adjacent cells to improve the absorption of impact loads over a number of adjacent cells in the composite material.

Abstract: A core is made of a biodegradable material, reinforcing fibers and non-hardened resin are laminated on the core so as to form a fiber-reinforced composite material. Then, the fiber-reinforced composite material is hardened, and then biochemically active substances, such as microorganisms and enzymes, are brought into contact with the core so that the core is biochemically degraded and removed.

Abstract: A method of diametrally expanding an elastic tube (6), which includes the steps of inserting a distal end portion of a expansion member (1) into an elastic tube (6), the expansion member (1) being provided at least at a surface thereof with a solidified layer of a low melting point material, and the distal end portion (4) of the expansion member (1) being tapered, a tip end of which having a diameter which is equal to or smaller than an inner diameter of the elastic tube (6), and moving the elastic tube (6) over the solidified layer to diametrally expand the elastic tube (6), the surface of the solidified layer being made into a low frictional surface due to a melting of the low melting point material.

Abstract: A method of manufacturing a golf club head that includes a peripheral shell constituted by an assembly of walls obtained by injecting a plastic material forming an inner cavity enclosing at least one inner insert kept immobilized by a partial plastic material coating of the shell. Prior to the injection step of the shell, an assembly is placed and immobilized in the mold which is comprised of a meltable core made of a second material having a melting point that is lower than the melting point of the plastic material in the space left free between the walls of the mold and the assembly, so as to coat the meltable core and all or a part of the free portion of the insert. Finally, all or a portion of the meltable core is eliminated to enable an inner volume to be freed so as to form the inner cavity.

Abstract: A method of forming a flexible mold (12) and resulting article is provided where a model (10) having the contour of the article to be molded is provided. The model (10) is partially encapsulated within a flexible and substantially liquid impervious layer (14). The combined model (10) and liquid impervious layer (14) is immersed into a curable liquid composition and handle members (36, 38) are inserted into the curable liquid composition. The curable liquid composition (34) is cured having the handles (36, 38) embedded within the composition (34) and subsequent to curing, forms a solid flexible mold encompassing structure (44). Handle members (36, 38) are actuated to release the model (10) from the layer (14) to form the flexible mold (12) for the article to be produced.

Abstract: A laminate molding method of fabricating a desired shape consisting of laminate layers having a first type layer in a completely solidified state, the method includes a first step of forming a second type layer on the first type layer, the first type layer having a viscosity larger than the second type layer, a second step of forming a slot groove in the second layer, the second type layer having first and second regions, a third step of printing a releaser on a predetermined region of the second type layer, a fourth step of forming a third type layer on the second type layer or on the first type layer, the second type having a viscosity larger than the third type layer, a fifth step of solidifying the third type layer to form the first type layer, and a sixth step of repeating the first, second, third, fourth, and fifth steps as desired.

Abstract: An apparatus for making a three-dimensional article based upon article defining data may be used to make a mold for the article and molding the article from the mold. Alternately, the apparatus may be used to make articles having filled or solid portions. The apparatus preferably includes a base, a processor for defining a mold skin for producing a mold for the three-dimensional article, and a build material dispenser for dispensing build material responsive to the processor to construct the mold skin extending outwardly from the base and defining at least one cavity. Solidifiable fill material is introduced into the cavity to form solid mold portions. The solid mold portions may be separated from the mold skin, and injection molding, for example, used to mold the three-dimensional article. The base preferably includes a thin plastic layer which is penetrable to permit introduction of the solidifiable fill material into the cavity.

Abstract: A process for integrally molding an assembly having parts in a die lock situation, in a single modeling step, with the process steps of has the steps of providing a composite component with a predefined contour, molding a core fuel rail integrated with the composite component, connecting the core fuel rail to a main core structure, overmolding the combined core fuel rail and main core structure to form a finished assembly, removing and melting out the combined core fuel rail and main core structure and extracting the composite component to provide the finished assembly with a substantially accurate finish. The core fuel rails and injector pockets are molded together with the main manifold body in a single step although the injector pockets are in a die lock situation relative to the main manifold body. The interior surfaces of the injector pockets molded using the present invention have a substantially accurate finish.

Abstract: A lens mold cavity is formed and then evacuated via a vacuum channel contained within a mold member. A fluid valve is opened to expose the lens mold cavity to liquid lens material, whereby a vacuum of the lens mold cavity draws the liquid lens material to fill the lens mold cavity. The fluid valve is then closed and the liquid lens material within the lens mold cavity is cured to obtain an opthalmic lens such as a contact lens.

Abstract: A method and device are provided for reducing the loss of CVD manufactured parts due to cracking caused by mechanical stresses resulting from the mismatch of the coefficient of thermal expansion between the chemical vapor deposed part and the mandrel plate. The method and device provide a removable mandrel support which is removed after the chemical vapor deposition but prior to the cooling of the CVD part and the mandrel plates. This permits the CVD part to contract upon cooling without mechanical restriction, thus reduce cracking caused by contraction of the CVD part against a mold which does not contract substantially.

Abstract: Making a tire mold by spraying molten atomized metal on a model to form a metal shell and then reinforcing the shell with a resin backing to form a mold segment for the tire mold. Modular shoe container assemblies have replaceable backing members for making different size molds and flat plate spacers for providing different thicknesses of the mold segment. In one embodiment a slide block is used for one side of the cavity whereby a sole plate is eliminated.

Abstract: In order to remove a thin-walled wax model adhering to the walls of a first core piece and a second core piece, after solidifying, from a multi-part device for making thin-walled wax models, without damaging the wax model, after the external pressure is released, a mold-opening moment is generated simultaneously and abruptly in axially opposite directions by spring-loaded push-off bolts or directly by leaf springs in the upper parting faces and lower parting faces of the device. As a result, both the lower closing plate and the upper closing plate are separated from the annular casing and the wax model is separated from the core pieces, by a maximum of 3 mm, axially in opposite directions because the adhesion of the wax model to the walls of the core arrangements is overcome simultaneously and abruptly. Subsequently the two core arrangements and the casing are transported away from one another in an axial direction relative to one another, so that the wax model is freed.

Abstract: A basin for simultaneous or consecutive dewaxing and curing of denture molds is disclosed. The basin is generally box-shaped and is provided with three vertically-shaped trays of which the topmost remains above the high fluid level. The upper rear portion of the basin has a pivotally-secured frame-arm provided with a plurality of nozzles adapted to spray over the entire area of the topmost tray. The fluid from the nozzles drains back into the basin; a recirculating pump recirculates the fluid back into the nozzles. A separate fluid inlet is provided to fill the basin for curing. The basin is further provided with an upper and lower fluid level-limiting means, a heating element, a thermostat and, preferably, an automatic timer.

Abstract: An apparatus and method for forming components having one or more inner cavities wherein material forming the component is laid up about a number of eutectic salt mandrels corresponding to the inner cavities. The mandrels are melted and the laid up material compressed during the formation of the component by hydraulic pressure transmitted through the molten mandrels.

Abstract: A process for the continuous production of silicon rods or tubes by the dsition of silicon from the gaseous phase on the inner wall of a carrier tube heated to the deposition temperature, in which a cooled, hollow metal cylinder is placed in a reactor having one open end, and a flexible band, substantially resistant to silicon at the deposition temperature, is continuously wound onto the cylinder in an overlapping manner at an angle of pitch from 5.degree. to 40.degree. so as to form the carrier tube for the silicon to be deposited; the tube is continuously drawn off the metal cylinder by a rotary traction movement and the portion of the tube adjacent the metal cylinder and still in the reactor is heated to the deposition temperature of about 1050.degree. to 1250.degree. C, while at the same time the gaseous mixture is passed for decomposition through the tube under a pressure exceeding the external atmospheric pressure by 0.

Abstract: A plurality of groups of mandrels are arranged for movement successively through a plurality of workstations with each group being worked on at a station while other groups are being worked on simultaneously at other stations to produce continuously automatically groups of retractile cords. Cordage is fed from a supply into clamping engagement with each of the mandrels in the group in a cord-loading position and then wound in a plurality of spaced-apart convolutions on each of the mandrels of that group after which the wound cords are severed from the cordage supplies. The wound cords are advanced incrementally through a heating zone, wherein the cords are exposed to radiant heating supplemented by preheating of the mandrels while cordage is being wound on the next successive groups of mandrels.