Abstract: A poly 4-methyl-1-pentene resin composition which includes a polymer containing 80% by mass or more of 4-methyl-1-pentene in which the resin composition has a melting point of 170 to 240° C. and a semicrystallization time of 70 to 220 seconds. Also provided are a release film having good releasibility, a mold for production of a sealed electronic element product having excellent heat resistance and releasibility and an LED mold, which are obtained by molding the resin composition.

Abstract: The present invention provides a forming mold or electroforming mother die comprising a mold or mother die, and a release layer composed of an organic thin film on a mold surface or mother die surface which is formed by contacting the mold or mother die with an organic solvent solution comprising a silane surfactant represented by the formula [1] Rn—Si—X4-n??[1] (wherein, R represents an optionally substituted hydrocarbon group having 1 to 20 carbon atoms, an optionally substituted halogenated hydrocarbon group having 1 to 20 carbon atom, a hydrocarbon group having a linking group which has 1 to 20 carbon atoms, or a halogenated hydrocarbon group having a linking group which has 1 to 20 carbon atoms, and X represents a hydroxyl group, a halogen atom, an alkoxy group having 1 to 6 carbon atoms, or an acyloxy group, and n represents an integer of 1 to 3), and a catalyst capable of interacting with the silane surfactant, the release layer having excellent releasing properties and abrasion resistance, and a pr

Abstract: A mould assembly comprises a first (1) and a second mould part (2) said mould assembly further comprising a hinge mechanism optionally detachably connected to the two mould parts.

Abstract: A baking pan that includes a main support structure and a plurality of baking wells are disposed within the main support structure, wherein the plurality of baking wells combine to form a decorative shape. The baking pan is used to create decorative cakes.

Abstract: Investment casting shells are manufactured by incorporating fumed metal oxide dispersions, or doped fumed metal oxides as a binder into the casting shell. The investment casting shells containing the fumed metal oxides have improved characteristics, such as increased strength and a reduced surface roughness.

Abstract: The present invention concerns rustication forms or moldings having covering (overlay or wrapping) that alleviate problems associated with concrete slab curing. The present invention also concerns methods for forming rustication in concrete walls. The present invention comprises a rustication form substrate, wherein all or portions of the surface exposed to the curing concrete is covered with covering or layering, and only portions of surfaces not exposed to the curing concrete is covered.

Abstract: The invention provides a retaining device for assembling two panels together. The device has a support and first and second pairs of spaced-apart parallel walls extending along the support and projecting outwardly therefrom for providing first and second holding channels extending angularly to each other, each channel being adapted to receive an edge of one of the panels therein in a snugly relationship to allow assembling of the two panels. The invention also provides a formwork for forming a polygonal upright concrete structure using a plurality of retaining devices and a plurality of panels arranged with the retaining devices for providing a forming cavity between the panels adapted to receive concrete therein. There is also provided a packaging assembly for packaging goods using a plurality of retaining devices and a plurality of panels arranged with the retaining devices for providing a protecting cavity between the panels adapted to receive the goods therein.

Abstract: A process of making a casting includes the steps of designing a mold (1010), fabricating the layers (or laminations) of the mold (1020), stacking and assembling the laminations into a mold (1030), producing a casting (1060) and demolding the casting (1070). If necessary, a derived mold can be made (1040, 1050) prior to producing the casing (1060).

Abstract: A system and method for forming a polymeric molding. A mold component includes a transmissive portion for passing curing energy such as UV light into the mold cavity. A masking collar is engaged around the transmissive portion to block curing energy from exposing and curing polymeric material outside of the region underlying the transmissive portion.

Abstract: The invention is directed to a transparent mold made of a polyamide molding material containing at least one polyamide formed from at least one diamine selected from the group of hexamethylene diamine (HMDA), bis-(4-amino-3-methylcyclohexyl)methane (MACM) and/or bis-(4-amino-cyclohexyl)methane (PACM) as well as from at least one dicarboxylic acid selected from the group of isophthalic acid (IPS), terephthalic acid (TPS) and/or dodecanedioic acid (DDS) or from the aforementioned diamines and dicarboxylic acids in combination with lactams and/or ?-/?-amino acids.

Abstract: A baking cup features a sidewall constructed of temperature resistant and flexible material. A bottom is formed near the bottom edge of the sidewall so that the sidewall and bottom define a cavity within which a foodstuff may be placed for baking. A base featuring a novelty shape supports the sidewall, bottom and cavity and includes a rigid core covered by a skin layer. The skin layer is constructed of the same flexible material as, and integrally formed with, the sidewall and bottom.

Abstract: Disclosed herein is a method comprising injecting into a thin wall disposable core die a slurry having a viscosity of about 1 to about 1,000 Pascal-seconds at room temperature when tested at a shear rate of up to 70 seconds?1 and a flow index of less than 0.6 at a pressure of up to about 7 kilograms-force per square centimeter; wherein the thin wall disposable core die has an average wall thickness of about 1.5 to about 10 millimeters; curing the slurry to form a cured ceramic core; removing the thin wall disposable core die from the cured ceramic core; and firing the cured ceramic core to form a solidified ceramic core.

Abstract: A system and method for forming a polymeric molding. A mold component includes a UV-absorptive material for preventing undesired reflection or transmission of curing energy within the mold cavity, thereby providing more precise control of the edge geometry of the molding.

Abstract: A baking tin comprises at least one foodstuffs-holding tray (2) having a bottom wall (4), a plurality of consecutive side walls (5, 6, 7, 8, 9) extending away from the bottom wall (4) to define a holding cavity, a plurality of corners (9, 10, 11, 12) each defined by two consecutive side walls, at least one of the corners (9) comprising an undercut (18). The baking tin (1) further comprises a supporting structure (3) having at least one through opening (13) delimited by a plurality of consecutive edges (14, 15, 16, 17) to define a seat for receiving the tray (2) into the supporting structure (3), at least one connecting portion (19) between two consecutive edges of the opening (13) being designed to be engaged by the undercut (18) to secure said tray (2) to the supporting structure (2).

Abstract: A mould 10, 30, 40 particularly for use in food preparation comprising a base 11, and a collar 12 having a continuous wall 14 that upstands from the base with a lower edge 16 of the collar abutting the base 11. The mould may be for single use with the base and the collar being formed from fibreboard and in a particular form the collar wall incorporates a releasable connection to enable opening of the collar. In one form, the collar includes tabs 25 that extend from the lower edge 16 and retaining means (18, 19, 31) which are operative to retain the tabs in relation to the base so as to retain the lower edge 16 of the collar in proximity with the base. The mould further includes in one form an insert 19 which is locatable within the mould cavity 17 and in another form a support arrangement (29, 42, 43) is provided to support the collar wall.

Abstract: The present invention includes molds for forming opthalmic lenses, such as contact lens. In particular, the present invention relates to apparatus, molds and methods for fashioning an ophthalmic lens with a mold assembly that includes two or more mold parts with at least one of the mold parts including a flange surface and a static charge differential between each mold part, including the flange surface.

Abstract: A member for a resin molding machine wherein it has a face contacting with a molten resin, and at least a part of the face is covered with a film of an oxide of a base material of the face or a component contained in the base material. The use of the member in the molding of a resin allows the prevention of the incorporation of a contaminant associated with the deterioration of a melt of the resin into a molded article from the resin.

Abstract: A method of making an imprint lithography template includes applying a curable material to a patterned surface of a master imprint template, allowing the curable material to cure and thereby forming a second imprint template having a patterned surface which is the inverse of the patterned surface of the master imprint template; removing the second imprint template from the master imprint template; applying inorganic sol-gel to a substrate; imprinting the inorganic sol-gel with the second imprint template; allowing the inorganic sol-gel to cure; and removing the second imprint template from the cured inorganic sol-gel, such that the inorganic sol-gel forms a third imprint template having a patterned surface which corresponds with the patterned surface of the master imprint template.

Abstract: The present invention includes methods and appartus for forming a biomedical device, such as an ophthalmic lens, wherein the biomedical device is formed with a mold part which is water soluble.

Abstract: The current invention discloses moisture resistant foundation pier block forms constructed from corrugated plastic. Means for holding sections of reinforcing bar can be included and at least one preferred embodiment of the invention includes means for securing the form in its desired location at a construction site. The forms of the current invention are light weight and can be easily assembled at a construction site or at a remote location. Sections of reinforcing bar can be inserted in at least one preferred embodiment of the invention during assembly and the forms can then be folded into a flat configuration for storage until needed. The forms disclosed in the current invention can be reused, but they do not attract insects and therefore do not have to be removed from the pier blocks after the concrete has dried.

Abstract: The present invention relates to a moulding assembly to form at least one protective cap for a device. The moulding assembly includes a first mould wafer including at least one first recess and a second mould wafer including at least one pair of second recesses. The second mould wafer is able to be positioned relative to the first mould wafer so that each first recess is in register with a corresponding pair of second recesses. In use, thermosplastic material is located between the first and second mould wafers; the first and second mould wafers are positioned relative to one another so that each first recess is in register with a corresponding pair of second. recesses; the thermoplastic material is heated; and the first and second mould wafers are pressed together so that heated thermosplastic material enters the first and second recesses. Each first recess and corresponding second pair of recesses thereby combine to define a mould chamber in which a respective cap is formed.

Abstract: A feed shoe having at least one feed chamber with an open bottom portion and an open front portion whereat a gate is provided. The gate can be vertically adjustable and can have a lower edge defining a leading edge of the feed chamber, wherein the leading edge can have a flat, serrated, or rounded profile depending upon the type of feed material used. The gate, or a separate main gate adjacent the gate, can have a flat, curved, or V-shaped inner surface facing the feed chamber, wherein a lower portion of the inner surface can have a stepped profile which shears the material in the feed chamber in separate planes. The feed shoe can further include an attachment portion adapted for adjustably retaining an end of at least one material feed delivery member in communication with said at least one feed chamber.

Abstract: A porous bat may be used on a pottery wheel including a locating pin at a nominal location. The porous bat includes an elongated hole at a location corresponding to the nominal location. The elongated hole is adapted to slidably fit over the locating pin. The hole has a first axis with a dimension sized to fit over the locating pin and a second axis with a dimension larger than the first dimension to compensate for variations in the location of the locating pin on the pottery wheel.

Abstract: A light guide plate mold core (1) includes a main body (13) having a molding surface (12) and a plurality of concavities (13a) formed at the molding surface. The main body is made of a material whose thermal conductivity is limited in the range from 0.002 cal/cm.s.K. (calories/centimeter.second.Kelvin) to 0.009 cal/cm.s.K. The thermal conductivity of the material for the light guide plate mold core is less than that of stainless steel. Therefore the rate of spreading of heat in the light guide plate mold core is lower than that of a conventional light guide plate mold core, so that stresses within a formed light guide plate can be released more. Thus by using the light guide plate mold core, a light guide plate having a highly even bottom surface can be manufactured. A method for manufacturing the light guide plate mold core is also provided.

Abstract: The present invention encompasses, in part, a method and apparatus for lens casting in which two molds, preferably formed of plastic, are interconnected or joined together via a ring to form a mold cavity having substantially the same dimensions of the lens to be formed therein. The invention is further directed to compositions and methods used in lens casting. In a first implementation the invention includes a mold having a ring having an interior periphery; a front mold formed of a plastic and having a lens-forming surface, an edge circumscribing the lens-forming surface that is sized to be complementarily received within a portion of the interior periphery of the ring, and a base having dimensions greater than the interior periphery; and a rear mold formed of a plastic and having a lens-forming surface.

Abstract: A die for moulding a plastics part includes a cavity defining an overall shape of the part and having a surface-textured insert for providing an area upon the moulded plastics part having intricate surface detail.

Abstract: The invention relates to a matrix suitable for use in the replication of a plastic element having a positive microstructure, comprising a first wear-resistant layer that is supported by a carrier element, wherein the matrix comprises a heating means for supplying electrical heat energy through the wear-resistant layer or carrier element. The invention further relates to a plastic element producing machine and a method for the manufacture of a plastic element having a surface with a positive microstructure.

Abstract: A stress-release mold is described for casting thermosetting compositions especially compositions designed for consumer use. At least one wall of the mold includes a stress-releasing-element characterized by having a more flexible region or regions than the remaining wall or walls of the mold and wherein the stress-releasing-element includes a region of lower curvature at least partially surrounded by a region of higher curvature. The stress-release mold greatly reduces or eliminates surface defects caused by shrinkage of thermosetting compositions as they cools. A system is also described that includes the inventive mold containing a thermosetting composition wherein the mold also serves as all or part of the package for the composition.

Abstract: An apparatus and method for the production of ophthalmic lenses, and particularly contact lenses, which minimizes damage of the lens in removal from the mold. The ophthalmic lens is produced in a mold having a male part and a female part that are placed in proximate relation to each other to create a lens-forming cavity. At least the female surface of the female part mold is preferably coated with plasma and is irradiated for a predetermined time such that the female surface and/or surface coating is at least partially cured. Once the female surface, and alternately the male surface and other surfaces of the mold, is at least partially cured, a curable lens-forming material is placed into the lens-forming cavity and cured to form an ophthalmic lens.

Abstract: In a die for molding a honeycomb structure, in which a coating layer is formed on a die base so that slits with a particular width are provided, the slits are provided so as to have a width of 30 to 200 ?m by forming the coating layer by a substrate layer with a thickness of 10 to 100 ?m and a surface layer with a thickness of 1 to 30 ?m. Further, the substrate layer is formed by a metal layer containing no oxide. A thin-wall honeycomb structure with a wall thickness of 30 to 200 ?m can be formed, and moreover a die for molding a honeycomb structure, in which the coating layer is not damaged and thus the durability is high, and a manufacturing method thereof can be provided.

Abstract: The present invention describes a method for rapidly fabricating a robust 3-dimensional silicon-mold for use in preparing complex metal micro-components. The process begins by depositing a conductive metal layer onto one surface of a silicon wafer. A thin photoresist and a standard lithographic mask are then used to transfer a trace image pattern onto the opposite surface of the wafer by exposing and developing the resist. The exposed portion of the silicon substrate is anisotropically etched through the wafer thickness down to conductive metal layer to provide an etched pattern consisting of a series of rectilinear channels and recesses in the silicon which serve as the silicon micro-mold. Microcomponents are prepared with this mold by first filling the mold channels and recesses with a metal deposit, typically by electroplating, and then removing the silicon micro-mold by chemical etching.

Abstract: A tool for making a mounting or holder for a tablet-shaped sample which is to undergo analysis in an analytical instrument, the tool comprising a moulding which defines a lower surface and a side wall or walls, and a pin which, in use, extends upwardly above the lower surface of the moulding. The arrangement being such that in use a tablet is mounted on the upper end of the pin and mouldable material is introduced into the moulding so that it locates around the lower part of the tablet.

Abstract: The invention relates to a mold for manufacturing a stick, in particular for cosmetic use. The side wall of said mold has zones of weakness for making the mold easier to deform radially, said zones of weakness being obtained by means of recesses formed in the side wall of the mold and extending longitudinally over substantially the entire height of the mold starting from its bottom end.

Abstract: The present invention encompasses, in part, a method and apparatus for lens casting in which two molds, preferably formed of plastic, are interconnected or joined together via a ring to form a mold cavity having substantially the same dimensions of the lens to be formed therein. In one implementation the invention includes a the casting device comprising a plurality of front molds, each front mold formed of a plastic and having a lens-forming surface. The front molds are configured to form a plurality of lenses of different effective diameters. The casting device further includes a rear mold formed of a plastic and having a lens-forming surface; wherein the rear mold is configured to be paired with each of the plurality of front molds to form a plurality of lenses of different effective diameters.

Abstract: The mold that is intended to be used integrally with casting material that is contemplated by this invention is formed with a surface that exerts pressure on and retains set casting material in the mold by providing a pin in the mold that has an upper region that is larger in a dimension perpendicular to the base of the mold than the base of the pin.

Abstract: A die for extrusion molding of a honeycomb which comprises a structure provided with a groovy slit (2) formed by cell blocks (3) on a front face thereof, and additionally provided with a puddle inlet, on a back face thereof, communicatively connected with the slit (2), wherein each cell block (3) has a soft film (16) on a hard film (14) formed on outermost surfaces of the slit (2) and puddle inlet fabricated in a cell-block body (10). According to the die for extrusion molding of a honeycomb, a dimensional error of the die is possible to be eliminated, a stable force of extrusion friction is possible to be maintained, both extrusion moldability and abrasion resistance are possible to be excellent, and additionally an adjustment of the die at the time of extrusion molding can be performed easily.

Abstract: A compliant cantilevered three-dimensional micromold is provided. The compliant cantilevered micromold is suitable for use in the replication of cantilevered microparts and greatly simplifies the replication of such cantilevered parts. The compliant cantilevered micromold may be used to fabricate microparts using casting or electroforming techniques. When the compliant micromold is used to fabricate electroformed cantilevered parts, the micromold will also comprise an electrically conducting base formed by a porous metal substrate that is embedded within the compliant cantilevered micromold. Methods for fabricating the compliant cantilevered micromold as well as methods of replicating cantilevered microparts using the compliant cantilevered micromold are also provided.

Abstract: A device, preferably a micro-device, is molded from a plastic material by injection molding, compression molding or embossing. A microabrader can be molded having microneedles for abrading the stratum corneum of the skin to form an abraded site in the tissue for enhancing drug delivery. The micro-device is molded using a mold assembly having a silicon molding surface. The silicon molding surface can include a recess corresponding to the desired shape and length of the microneedles. The silicon molding surface enables micron and submicron size features to be molded from polymeric materials without the polymeric material adhering to the mold surface. Micro-devices having molded features having micron and submicron dimensions can be rapidly produced without the use of a release agent.

Abstract: A lens molding die for producing a lens, which comprises a base member made of a hard material and having one surface of a predetermined shape; and a resin-molded layer formed on the one surface of the base member and having a surface shape corresponding to a predetemined shape of a lens to be molded. The resin-molded surface is to be made of a resin material which is inactive with a material which is to be molded by the lens molding die. The resin-molded layer is formed by introducing the material into the space formed between the one surface of the base member and a transfer surface formed on a transfer die correspondingly to the surface of a lens to be produced to be cured by heat or ultraviolet rays.

Abstract: A mold is configured to form a gel monolith including a first gel portion and a second gel portion. The mold includes a base including a first hydrophobic surface. The mold further includes a tubular outer wall including a second hydrophobic surface, and the outer wall is coupled to the base. The mold further includes a removable tubular insert including an inner surface and an outer hydrophobic surface. The insert is removably coupled to the base.

Abstract: There is disclosed a molding for architectural concrete forming. The molding may be manufactured by applying a coating to a stock. The architectural molding may be rendered better-suited to certain environmental conditions or for certain uses by applying appropriate coatings.

Abstract: A molding tool and a method of fabrication thereof which can reduce the fabrication period remarkably, are disclosed. In particular, a molding tool and a method of fabrication thereof which are most suitable for producing a small lot of plastic molded objects used for preparing prototype parts or the like are proposed. Thin die surface layers (20, 30) each having a predetermined die surface shape (C1, C2) are formed by a stereolithography method using a stereolithography material or a powder sinter molding method using a powder molding material. Reinforcing rib portions (25, 35) are formed integrally with the thin die surface layers by the stereolithography method or the powder sinter molding method on the back surface of the thin die surface layers, respectively. Back reinforcement resin layers (26, 36) are filled integrally in the space of the reinforcing rib portions on the back surface of the thin die surface layers.

Abstract: A casting mold half (5, 5a) for producing contact lenses comprises a mount (50) and an insert (51, 51a), which is arranged at one end of the mount (50) and can be connected to the mount (50) and which has a shaping surface (510) for the shaping of the front or rear surface of the contact lens to be produced. The insert (51, 51a) consists in the region of the shaping surface (510) of a material which is permeable to the energy crosslinking the starting material of the contact lens. Finally, a mask made of a material impermeable to the energy crosslinking the starting material is provided for spatially delimiting this energy. The mask comprises a separate surround (512) made of a material impermeable to the energy crosslinking the starting material of the contact lens, which surrounds the edge region of the shaping surface (510) of the insert (51, 51a).

Abstract: An ophthalmic lens mold includes a first mold half having a front side and a back side. The front side defines an optical surface. A second mold half has a front side defining an optical surface. Upon alignment of the first mold half with respect to the second mold half so that the front sides oppose each other, a mold cavity is formed between the front sides to form an ophthalmic lens therein from a moldable material. The first mold half includes a first section that transmits curing light and that extends from the back side to the front side. The first section includes at an area of the first mold half optical surface enclosed by an outermost circumference of the ophthalmic lens. A second section is co-molded with the first section and blocks the light.

Abstract: Two molds (102, 104) are provided formed of semiconductor material. The molds (102, 104) have substantially planar working faces (108, 110) into which recesses (106, 112) are formed. In use the molds (102, 104) are pressed together with the working faces (108, 110) opposed so the recesses (106, 112) form mold cavities.

Abstract: This invention relates to the preparation of molds for the production of contact lenses and other ophthalmic articles. By using an inorganic material to coat the optical surfaces and sidewalls of mold parts made from clear-resin materials, manufacturers can produce lens molds with greater dimensional stability and chemical resistance. In addition to protecting the clear resin from interaction with otherwise reactive monomers from which the molded article is made, such coatings can also be used to achieve preferential release of the molded article. The resulting mold is especially useful for providing an economical way to improve manufacturing quality of contact lenses.

Abstract: The invention relates to a matrix suitable for use in the replication of a plastic element having a positive microstructure, comprising a first wear-resistant layer that is supported by a carrier element, wherein the matrix comprises a heating means for supplying electrical heat energy through the wear-resistant layer or carrier element. The invention further relates to a plastic element producing machine and a method for the manufacture of a plastic element having a surface with a positive microstructure.

Abstract: Tools and methods for making molded an optical integrated circuit including one or more waveguides are disclosed. In one embodiment, a molding die is provided that includes a substrate that has a topographically patterned first surface. A conformal protective film is provided over the first surface of the substrate. The substrate may be formed of silicon or gallium arsenide, and may be patterned using conventional semiconductor patterning techniques, such as plasma etching. The protective film may be metal (e.g., nickel or titanium), diamond, or some other hard material. Typically, a plurality of such molding dies are formed from a wafer of the substrate material. The die is pressed into a moldable material, such as thermal plastic, to form the wave guide(s) of the optical integrated circuit. A plurality of the dies may be mounted around the curved surface of a heated roller, and a heated tape of the waveguide material may be fed under the roller in a mass production process.

Abstract: A pan for baking a batter or dough to provide a baked good, such as muffins or cupcakes. The pan includes a raised perimeter wall that acts as a shield or baffle to provide consistent air flow over the batter or dough during baking. The resulting baked goods have improved baked properties. A preferred muffin pan is disclosed.

Abstract: An molding apparatus useful for molding polymer compositions includes a substrate; a first insulating layer having an electrical resistivity of at least about 1010 ohm-centimeters and thermal conductivity of about 0.2 to about 5 watts/(meter-kelvin); a heating element; a second insulating layer having an electrical resistivity of at least about 1010 ohm-centimeters and a thermal conductivity of at least about 5 watts/(meter-kelvin); and a first molding layer having a specific heat capacity of about 100 to about 2,500 joules/(kilogram-kelvin), and optionally, a second molding layer. The apparatus provides rapid heating and cooling of the mold surface. The apparatus may be employed for rapidly molding articles having desirable surface characteristics.