Abstract: The invention relates to a method for producing a shoe (1), comprising a shoe sole (2) and an upper (3).

Abstract: An apparatus includes a mold chase, which includes a top portion and an edge ring having a ring-shape. The edge ring is underlying and connected to an edge of the top portion. The edge ring has an injection port and a venting port. A molding guide kit is configured to be inserted into the injection port. The molding guide kit includes a front sidewall having a curved front edge.

Abstract: A cement block mold which includes a base, a top cap and a flexible sidewall strip. The base has an upstanding peripheral sidewall with a single slotted engagement. The top cap has a downwardly extending peripheral sidewall with a single slotted engagement. The flexible sidewall strip having a first engagement at a first end and a second engagement at a second end. The sidewall strip is secured in position by bending the sidewall strip to form one of a circle or an oval, and then engaging the first engagement and the second engagement with the slotted engagement of the base, and then engaging the first engagement and the second engagement with the slotted engagement of the top cap.

Abstract: A method including positioning an insert in a vertical mold including a first mold portion and a second mold portion; and casting a material including a metal around at least a portion of the insert.

Abstract: This invention relates generally to opthalmic molds and methods useful for casting opthalmic moldings. In one aspect, the invention relates to a mold for casting an opthalmic molding formed from a first mold half detachably affixed to a second mold half, whereby the mold has a top and a bottom; and a cavity formed by the first and second mold halves, wherein the cavity receives a lens forming material through an opening at the bottom of the mold and vents gas and excess lens forming material from an opening at the top of the mold. In another aspect, this invention relates to methods for casting opthalmic moldings, particularly intraocular lenses.

Abstract: A three piece full port ball valve for use with a form for producing a cast concrete article is provided wherein the housing of the valve has been modified by creating openings through the valve housing to access the flow opening in the ball member for clearing concrete slurry therefrom after the form has been filled. Additional openings in the housing at other locations can be created for cleaning around the ball member and the inside of the housing.

Abstract: Fully dense long ingots are produced by the bottom pouring method and apparatus of the present invention. A solidification sequence is achieved which is conducive to eliminating solidification shrinkage and piping. The set-up of the bottom poured ingot molds facilitates a solidification sequence starting from the top and then down the ingot mold and then up the down pour pipe.

Abstract: A form for producing a cast concrete article can have a core at least partially surrounded by an outer jacket thus defining a cavity between an outer surface of the core and an inner surface of the outer jacket. A header can be provided generally sealed against the top of the outer jacket and around the top of the core. A bottom member can also be provided generally sealed against the bottom of the outer jacket and around the bottom of the core. The cavity thus being defined by the outer jacket, core, header and bottom member. A fill port, which can be selectively opened or closed, can communicate with the cavity through the outer jacket for filling the cavity with liquid concrete using a pump. Vents can be provided in the header for evacuating air when the cavity is being filled with liquefied concrete so that voids in the finished article are substantially eliminated.

Abstract: A die assembly apparatus is provided with a plurality of die segments that move on guides from open to closed positions. Movement from the open to the closed positions for each die segment is along the path that extends inward toward a central axis and toward a base plate. A compression member provides a retaining force along the central axis to compress the die segments between limited surface areas at the top and bottom portions of the die segments. Molten wax is injected into an injection port so that the molten wax is first introduced into the die cavity at the bottom portion of the die cavity. Hydraulic actuators are used to move the die segments from the open to the closed positions and vice versa.

Abstract: A portable concrete molding apparatus for forming concrete structures of a predetermined configuration, either on-site or at a central manufacturing facility. The apparatus includes a trailer having furnace plenum bounded by a pair of fixed walls. Each fixed wall cooperates with a movable wall for forming a mold therebetween. Each movable wall includes a concrete inlet for introducing concrete into the bottom portion of the mold. The fixed and movable walls include push-off valves for ensuring separation of a concrete structure from the mold walls, as the mold walls are separated.

Abstract: A portable concrete molding apparatus for forming concrete structures of a predetermined configuration, either on-site or at a central manufacturing facility. The apparatus includes a trailer having furnace plenum bounded by a pair of fixed walls. Each fixed wall cooperates with a movable wall for forming a mold therebetween. Each movable wall includes a concrete inlet for introducing concrete into the bottom portion of the mold. The fixed and movable walls include push-off valves for ensuring separation of a concrete structure from the mold walls, as the mold walls are separated.

Abstract: A casting device with which, by introducing a thermocurable plastics into a heatable casting mould (1), the plastics is thermally cum in that casting mould at least to such a degree that a casting moulded in that manner can be released from the mould, comprises a reservoir for the thermocurable plastics and a feed means for feeding plastics from the reservoir into the casting mould (1), which mould has an inlet opening that extends at least along a substantial portion of the length of the casting to be moulded, wherein the casting device comprises a separate adapter (2) in which the feed means (20, 221, 23) for the plastics is arranged and which can be connected to the casting mould (1) in such a manner that, when the adapter (2) has been connected, an outlet opening (23) provided in the adapter (2) is arranged sealed to and substantially congruent with the inlet opening of the casting mould (1).

Abstract: The molten-metal feed device (1), arranged between a source of molten metal and a casting machine for the ascending continuous casting of cast-iron pipes, has a modular structure (3, 16). This structure includes a syphon (3) for conveying the molten metal from the source of metal to the casting machine, constituting a replaceable component, and plates (16) for heating the syphon (3) which are removably arranged around the latter and in contact with it.

Abstract: An apparatus for making a mold for forming positive models identical to a positive master has upper and lower mold shells having confronting and contiguous rims lying in respective planes. The shells are dimensioned when juxtaposed to spacedly contain the master. A clamp is engageable with the shells generally at the rims to hold the shells together with the plane of their rims spaced apart.

Abstract: A portable concrete molding apparatus for forming concrete structures of a predetermined configuration, either on-site or at a central manufacturing facility. The apparatus includes a trailer having furnace plenum bounded by a pair of fixed walls. Each fixed wall cooperates with a movable wall for forming a mold therebetween. Each movable wall includes a concrete inlet for introducing concrete into the bottom portion of the mold. The fixed and movable walls include push-off valves for ensuring separation of a concrete structure from the mold walls, as the mold walls are separated.

Abstract: For a steel mold, one or more titanium melt inlet-forming members are provided for cooperating with the steel mold members to form an melt ingate that communicates to the mold cavity for supplying the melt thereto in a manner to avoid harmful iron contamination of the melt during casting. The mold body-to-mold cavity volume ratio is controlled between 10:1 to 0.5:1 to minimize casting surface defects and mold wear/damage.

Abstract: An apparatus for forming a fiber reinforced slab gel for use in electrophoresis including a box shaped casing having a first groove at the center of an inner lower end surface, and a cover having a second groove for hermetically closing an open area of the casing. A plurality of slab gel forming plates are laminated in the casing with fiber reinforced cores interposed between adjacent slab gel forming plates. An aqueous solution of an organic monomer is poured into the casing through a pouring pipe in the cover and the monomer is polymerized to form the gel slabs. Air in the casing is vented to the outside when the monomer is introduced into the casing.

Abstract: A manufacturing framework is used to manufacture a cosmetic puff for a liquid foundation. The cosmetic puff is manufactured by forming a latex film coating on one side of a crimp pattern plate by applying latex film compound thereon. The latex film coated plates are set in the manufacturing framework, and a foamed latex foam compound is injected into the manufacturing framework while coagulant and activator are added therein to thereby produce a gelled latex foam covered with latex films on both sides. The latex foam and the latex films are simultaneously vulcanized to thereby bond the latex films onto the latex foam.

Abstract: A mold (1) for cast-molding a slip is provided, which comprises a divsible casting mold including a plurality of mold portions to form a mold cavity (4) when mated together; each mold portion including an air-tight housing (2), an intermediate layer (5) of coarsely porous structure adjacent to the air-tight housing (2), and a solid synthetic resin filter layer (3) of fine open-cell structure; a slip supply duct (8) being connected with said mold cavity (4) and communicated with the outside of the air-tight housing (2); a fluid-flowing duct (9) being connected with said coarse intermediate layer (5) and communicated with the outside of the air-tight housing (2); said filter layer (3) being permeably joined to the coarse intermediate layer (5), and having substantially precise shape and dimension of substantially uniform fine open-cell structure.

Abstract: The cylindrical side wall of the mold cavity (8) has an inside diameter (D) which is greater than the largest existing ophthalmic lens diameter, and a generally cylindrical membrane (25) of elastomer material is disposed concentrically inside the mold cavity so that in conjunction with the cylindrical side wall of the cavity it defines a variable volume annular chamber (31), the membrane being expansible and retractable radially under the action of a fluid which is alternatively removed from and admitted to the annular chamber.

Abstract: Apparatus for casting molten metal including a mold for casting molten metal having a base portion, a molten metal inlet located at the base portion, a filter positioned across the molten metal inlet so that all the molten metal must pass therethrough and a well beneath said inlet and beneath said filter.

Abstract: An article of refractory hollowware for use in a runner assembly for casting molten metals e.g. ferrous metals, has at least one inner surface adapted to increase the internal surface contact area of the article. The surface is so arranged as to effect at least two abrupt changes of direction of flow of molten metal flowing through the article. Use of the article minimizes the level of non-metallic inclusions in ingots and castings.

Abstract: A bottom circular tray, a circular top cap and one or more circular disks are coupled thereto, the disks, the top cap and the bottom tray having a common central sprue or cylinder. The plurality of disks form an ascending spiral path from the bottom tray to the top cap. Liquid metal will flow through the central sprue to the bottom tray and up through the ascending spiral path to the top cap and into the mold cavity to form an inclusion free casting.

Abstract: Refractory shapes such as tubular tiles and tubular runners are provided with a novel graphite interior coating penetrating the refractory and forming with the refractory a lining that resists erosion of molten metal flowing therethrough. The coated refractory shapes are particularly useful in forming mold assemblies for bottom pouring.

Abstract: A thin-walled, injection-molded plastic container having a thickened sealing rim acquires a particularly smooth sealing rim, onto which a covering film can be sealed in a bacteria-tight, gas-tight and liquid-tight manner, if the gate is located on the sealing rim instead of on the bottom of the container.

Abstract: A method for moulding multiple castings in which each mould is fed from a source of molten metal through a thin slit the width of which lies in the range 1.25 mm down to 0.25 mm. The cast articles can easily be removed from the runner and riser system after casting without a machining operation so that the casting moulds can be packed closer together and more castings can be produced from each mould assembly. The thin slit also acts as a filter. A particular mould assembly seen in FIG. 2 is cylindrical and comprises a plurality of wedge-shaped mould segments 2 having mould cavities 4 in abutting faces. A central runner passage 6 is formed when the mould segments are assembled and the metal flows into the mould cavities through narrow slits 10 in one edge of each mould. After casting and removal of the mould the narrow flashing formed in the slits can easily be broken to remove the cast articles from the metal formed in the central runner passage.

Abstract: A quick change guide ring for a bottom pour ingot mould system to effect positioning of a plurality of moulds relative to outlets in a sprue plate.

Abstract: A method for molding stick cosmetic, which comprises:Closely fitting a molding block into a vertically extending annular member formed around a container charged with a liquid feed composition for solid cosmetics, said molding block having therethrough a plurality of longitudinal slots which are open at both ends;filling said liquid feed composition into said longitudinal slots; and, thereafter,solidifying and drying the thus filled liquid feed composition.

Abstract: In a mould assembly for multiple castings each mould is fed from a source of molten metal through a thin slit the width of which lies in the range 1.25 mm to 0.25 mm. The cast articles can be easily removed from the runner and riser system after casting without a machining operation so that the casting moulds can be packed closer together and more castings can be produced from each mould assembly. The thin slit also acts as a filter. A particular mould assembly seen in FIG. 2 is cylindrical and comprises a plurality of wedge-shaped mould segments 2 having mould cavities 4 in abutting faces. A central runner passage 6 is formed when the mould segments are assembled and the metal flows into the mould cavities through narrow slits 10 in one edge of each mould. After casting and removal of the mould the narrow flashing formed in the slits can be easily broken to remove the cast articles from the metal formed in the central runner passage.

Abstract: A bottom pour ingot mould system and more particularly a sprue plate having a plurality of horizontally extending runners therein and a plurality of upstanding guide pads spaced from the horizontal runners to effect positioning of each mould relative to an outlet in a horizontal runner. Molten steel is poured down a vertical runner, after which it moves horizontally then upwardly into the ingot mould.

Abstract: Guide and runner assemblies for uphill teeming comprise a refractory tube in a sheath with an optional body of particulate material between the inner tube and sheath. The sheath may be combustible.

Abstract: An aluminum-diffusion coated steel pipe having an aluminum-coated layer on at least the inner surface of the steel pipe to be in contact with molten metal is used as a gating pipe system in a casting mold comprising a mold body and a gating system for pouring molten metal into the mold body. This aluminum-diffusion coated steel pipe can be further subjected to a secondary heat treatment in a high-temperature oxidizing atmosphere.

Abstract: Nozzle apparatus and method for controlling molten metal flow in a bottom pour casting system whereby a fluid passage is defined wherein the flow is controlled to minimize splashing of the molten metal in the molds and the flow distribution is better equalized among a plurality of molds which are being simultaneously charged.

Abstract: The invention relates to the units of a pouring system for uphill teeming. Conventionally, such units are formed by a pouring trumpet having a two-part heavy duty iron casing, and by runners set in channels in a heavy cast iron base plate, requiring skillful assembly on site. When unskilled personnel are utilized there is frequently incorrect assembly and positioning, leading to jointing and cracking, faults which in turn leads to molten metal penetration during pouring with consequent damage to the cast iron casing of the trumpet and the case iron base plate with the inherent danger of a complete break-out. The objective of the invention is to alleviate the problems outlined above, that objective being met by providing the units of a pouring system for uphill teeming each comprising an outer casing, an inner refractory liner and a refractory insulating material between the outer casing and the inner liner, each unit being pre-assembled as a complete unit for delivery to a casting bay.

Abstract: A method for introducing reactants into molds and articles produced. The method involves placing a body member into a receptacle located on a turntable; aligning the body member within the receptacle; positioning a foaming spacer on the body member around an aperture in the body member; lowering a liner on a plug fixture into the body member so that the foaming spacer abuts both the body and the spaced apart liner; inserting a foam machine head into the aperture in the body; injecting suitable reactants through the head, through the spacer, into the chamber formed between the liner and the body; maintaining the contact between the head and the body for a few seconds to allow the reactants to activate and set; removing the head from the aperture of the body; and further rotating the turntable to allow the reactants time to cure. The apparatus for facilitating the introduction of reactants is the foaming spacer of the above method.

Abstract: An apparatus is disclosed for forming an integrated truss structure wherein the apparatus includes a plurality of male mold members each having a plurality of open grooves formed therein which slope away from the top surface thereof. A plurality of female mold members each have a generally circular recessed cavity with a plurality of open grooves which are orthogonally disposed with regard to one another and which slope away from the plane of the recessed cavity. The male and female members are positioned opposite one another with the grooves in the male and female members being aligned to define strut beam chambers and wherein the top of the male member is aligned with the recessed cavity of the female member to define a junction chamber. Thus, the strut beam chambers slope away from the junction chamber. One of the male members is positioned adjacent each female member, and vice versa, to thereby define alternate symmetrical upper and lower junction chambers interconnected by the strut chambers.

Abstract: A mould assembly for producing multiple castings in which a plurality of mould components are closely arranged together in an array and define a plurality of mould cavities. At the base of the array there is provided a regularly shaped space which communicates with each of the individual mould cavities via a runner passage and thus molten metal admitted to the space fills each of the mould cavities simultaneously leading to uniform properties in all the castings. The individual mould components are preferably injected moulded in a ceramic material.

Abstract: This invention is directed to a mold for injection molding a sole onto an upper made of textile, vinyl, suede, leather, or any other suitable materials in which the lower periphery of the sole slopes downwardly and inwardly and forms a downwardly extending continuation of the peripheral face of the bumper. The mold is capable of using a single sole plate to produce a shoe in which the bumper and integral first sole part is formed of one color, a second sole part is formed of another color and the periphery of the second sole part is visible from the sides and ends of the shoe beneath the bumper. The upper surface of the sole plate of the mold includes an upstanding peripheral fin. The sole plate is capable of producing a skid-resistant surface on the bottom of the second sole part.

Abstract: Press molds for vulcanizing plastic materials comprise a pair of mold parts defining between them a mold cavity. One of the parts is a die and the other is a cover plate that defines with the die the mold cavity. A hot liquid is introduced into a lower portion of the mold cavity through the die and gas is removed from the upper portion of the mold cavity through the cover plate. As a result, both prevulcanization and after vulcanization can be achieved in one single press mold, by surrounding the material in the mold with hot liquid in the prevulcanization and then withdrawing the liquid when the molded material fills the die cavity in the second stage of vulcanization.

Abstract: A battery container made of molded plastic and preferably formed in a single unitary structure. The container comprises a generally rectangular hollow container with a closed bottom and an open top. A plurality of internal partitions formed as integral parts of the container bottom and side walls divide the interior space into a plurality of battery cells. These partitions are formed by a plurality of spaced mold cores disposed within the mold that forms the outside shell of the container. A plurality of ribs are formed on the mold surface that forms the bottom of the container, the ribs being in alignment with the cavities between adjacent mold cores and forming a plurality of parllel grooves in the lower surface of the container bottom.