Abstract: The invention concerns a mold system for manufacturing concrete products, said mold system comprising a mold bed, mold side, magnet unit including a magnet element for attaching the mold side to the mold bed, and a frame surrounding the magnet, whereby there is a space between the upper surface and frame of the magnet element, where the magnet can be lifted from the mold bed, and a lifting element for moving the magnet, and means for attaching the magnet to the mold side. The invention is characterized in that the magnet element is connected to the frame surrounding it by means of a flexible plate being movable with respect to the frame. The invention also concerns said magnet unit.

Abstract: A fast concrete house system for the construction of housing units is disclosed. The system disclosed herein allows for an improved low cost manufacturing, without the use of special tools or an ample array of structural elements.

Abstract: A form-work support arrangement for building form-work for moulding a concrete construction panel on top of a previously poured concrete panel (58). Generally the upper panel to be moulded has the same horizontal dimensions as the previously poured panel (58), the arrangement including an anchor bracket (60) adapted to be removably attached (66) to the previously poured concrete panel (58), an edge form bracket (48) adapted to be removably attached (16) to the anchor bracket (60), the edge from bracket (48) adapted to removably support an edge form (18) having an outer face, the outer face defining an edge of the concrete panel to be poured and positioned so that the outer face is generally above the edge of the previously poured concrete panel (58).

Abstract: An improvement to concrete casting machines of the casting bed type in which the side forms are constructed and arranged to stay in an upright position at all times but may be raised and lowered.

Abstract: A positioning aid for a magnetic device used for positioning a shuttering means, the magnetic device being movable between a position of use, in which said magnetic device is in contact with a ferromagnetic shuttering support, and a position of non-use, in which said magnetic device is spaced apart from the shuttering support, said positioning aid comprising at least one retaining device relative to which the magnetic device is supported against a holding force of said magnetic device, and further comprising at least one elastic support unit for producing a lifting force against said holding force so as to hold the magnetic device in the position of non-use.

Abstract: A baking system that allows the user to create a three-dimensional cake having the form of a bride and groom, or man and woman. The substantial part of the human forms is accomplished by a molding process using cake, candy or chocolate. Utilizing 2 piece pans; having a removable outer rim with spring action hinges, locking spring action clasps, and corresponding pan insets to complete the process. The pan insets are specifically designed to become the interior support system for the cake structure. The entire cake is molded, baked, poured, and stacked prior the removal of the outer rims of the pans. Fitted, plastic snap-on storage lids are included, enabling the user to bake the cakes in advance, and keep them fresh until ready to assemble and decorate. The system offers the flexibility of easy creation, easy storage, easy assembly, and easy transportation of the completed assembly.

Abstract: A prestressed concrete casting apparatus includes a prestressing element (e.g., wire cable or rod) pretensioning fixture of simple easy to use construction, and great strength/rigidity for withstanding considerable pretensioning forces. Advantageously, a clamshell-type mold form may be used together with the pretensioning fixture, in such a manner that the mold form is easily properly locatable on the pretensioning fixture. The form can be removed for reuse without moving the pretensioning fixture or otherwise disturbing the casting, which is permitted to continue to cure in the stationary pretensioning fixture. Maintaining the pretensioning fixture stationary during the process lends greater structural integrity and stability to the pretensioning fixture under the considerable forces set-up by the pretensioning of the prestressing elements.

Abstract: Dismountable casting mold side wall system including a side wall attachable dismountably to the casting mold and a magnet adapted to clamp onto a casting bed so as attach said side wall thereto, in which system the release/clamp operations of the magnet are adapted to take place in the interior space remaining between the exterior sides of said side wall.

Abstract: A mold for producing concrete articles having a mold bottom part that includes a molded chamber block having a substantially uniform thickness and side parts attached to the molding chamber block by fasteners. The molding chamber block has molding chambers located in an inner region and cutouts located on an edge region. The cutouts form intermediate webs of approximately uniform width, and at least a portion of the cutouts are undercut slots having lateral openings. The fasteners attach the side parts to the molding chamber block via the undercut slots of the cutouts.

Abstract: A system includes a support for a pool cover box lid comprising an elongated mounting element extending along at least one wall of the pool cover box, and a plurality of bracket assemblies, each connecting to the mounting element at multiple positions along the mounting element to support the lid. A method is directed to supporting a lid on a pool cover box. A system also forms a pool cover box lid, comprising form support elements spaced apart from each other, a base sheet, lid forming elements, each being connected to one of the form support elements and extending upward, and wall elements disposed perpendicular to the lid forming elements for forming the lid. A method is directed to forming a lid for a pool cover box.

Abstract: A molding apparatus for lenses includes first and second molding units, each of which has a mold core holder, a plurality of mold cores disposed in the mold core holder, and a clamp unit provided within the mold core holder. The mold core holder has an abutment surface, and a plurality of cavities extending inwardly from the abutment surface and receiving respectively the mold cores. The cavities include cavity walls, respectively. The clamp unit includes a plurality of clamp elements attached to the clamp unit to clamp respectively the mold cores against the cavity walls. Individual removal of the mold cores of the molding units for replacement is permitted by operating the clamp elements.

Abstract: A mold frame for an apparatus for producing shaped concrete articles has two longitudinal and two transverse frame members which are detachably screwed to one another with form-fit on the four corners of the rectangular mold frame. The transverse frame members on their end faces have polygonal pins which fit closely into the correspondingly shaped recesses of the longitudinal frame members to resist torsional movement. The polygonal pins and recesses are penetrated by one locking screw at a time with which the mold frame is braced in itself. A mold insert which has several mold cavities is braced within the mold frame by a tongue and groove connection. The form-fit screw connection between the longitudinal and transferse frame members makes it possible to accommodate the very high forces and torques which are formed by shaking vibrations during the molding process.

Abstract: A mold for producing a finished countertop on top of a countertop substrate is provided. The mold is comprised of a shaped inner surface to receive a countertop material pour and form a countertop edge and a tab extending from the shaped inner surface, the tab dimensioned to cover at least part of the substrate edge and extend over at least a part of the substrate top and hold the shaped inner surface adjacent the countertop substrate edge. Also included in the invention is a method of making a countertop using the mold.

Abstract: A panel-forming system including a plurality of bulkheads and one or more extensions. A first group of the bulkheads are used to define the overall dimensions and shape of the panel, while a second group are used to define at least one aperture formed into the panel. The aperture extensions are configured to allow various-shaped recesses to be formed in the panels adjacent the apertures, and are made up of a bulkhead-engaging portion and a separate recess portion that extends from and cooperates with the bulkhead-engaging portion. The surfaces of each bulkhead-engaging portion include a plurality of chamfers to create complementary surfaces in the panel being formed.

Abstract: A system and method for forming changes in elevation in a concrete slab includes one or more channels having substantially parallel bottom and top edges. The bottom and top edges include bent ends and a number of spaced apertures are formed in the bottom and top edges and the bent ends. Braces are inserted into the apertures to support the channel or channels in a vertical position. On or more different type bolt holders are selectively insertable into the channels for holding “J” bolts in a vertical position, parallel to the channels. Connecting elements are included for holding adjacent ends of separate channels together.

Abstract: A metallic shell used, for example as a mold, is formed by spray deposition connected to a base by rods or other supports connected to mounting elements which are incorporated in the shell during the deposition process. The shell can incorporate different metals to provide different thermal conductivity in various regions.

Abstract: Clamping arrangement for casting mold sidewalls in which arrangement two adjacent sidewalls are clamped to their places by a interlocking plate together with a clamp magnet. The said interlocking plate is formed by a plate element having at its both end locking members adapted to rest against the exterior sides of said sidewalls and said locking members being aligned to project in opposite directions at the ends of said interlocking plate.

Abstract: Adjustable pin mold systems are provided, which include features specifically suited for injection molding of foamed polymers and for high-pressure injection molding of plastics.

Abstract: The invention relates to a mould side system for concrete casts. The magnet unit according to the invention has no movable parts, but the magnet is a fixed component of the unit and detachment is carried out using a simple level tool. The fastening of the mould side to the magnet unit takes place by a known slanted-notch principle. According to an advantageous embodiment, the magnet unit has two faces for fastening mould sides, whereby parallel sides of separate, adjacent moulds may be fixed using the same magnet.

Abstract: The invention relates to a process for the production of a clamping means for clamping a component (20) in a holder (16), especially for the production of moulding tools for the manufacture of precision articles. Spring-action clamping elements (72), for example tightening discs or clamping sleeves (72), are inserted into a recess of the holder (16) and final working thereof takes place in a position that corresponds to the subsequent position when the component (20) to be clamped is clamped. With this process, very good centricity and coaxiality of the clamped components (20) is achieved, whereby the manufacturing tolerances to be maintained for the individual components are not critical.

Abstract: A casting support is provided including a brace and a bracket. The brace includes bracing end portions and the bracket includes first and second bracing faces that include one or more pairs of bracing projections. A distance between the bracing end portions of the brace is greater than a distance between opposite bracing projections on the first and second bracing faces. The brace is positioned to lend structural support to the bracket by urging it past the bracing projections into a secure bracing position. A casting form is also provided including a plurality of form panels and a plurality of casting supports. The casting supports are configured to support the form panels in a substantially vertical orientation and each of the casting supports includes a brace and a bracket. A casting form is also provided where each of the casting supports comprises a brace and a bracket and each bracket comprises an integrally-formed form face spaced from and oriented parallel to a first bracing face of the bracket.

Abstract: Dismountable casting mold side wall system including a side wall attachable dismountably to the casting mold and a magnet adapted to clamp onto a casting bed so as attach said side wall thereto, in which system the release/clamp operations of the magnet are adapted to take place in the interior space remaining between the exterior sides of said side wall.

Abstract: A securing device comprising at least one latch (22) and at least one latch mating-element (26) are used on two mutually displaceable mold-casing segments (14, 16) to close or open a mold casing (10) used in manufacturing molded bodies, in particular concrete pipes, said device securing the mold casing (10) in a position of manufacture. The latch (22) is displaceable by means of a drive unit (24) between a locked position wherein it locks up with a latch mating-element (26) and an unlocked position wherein no locking takes place between the latch (22) and the latch mating-element (26). In the invention, the drive unit (24) can be adjusted due to relative motions between the mold casing on one hand and its manufacturing environment on the other as determined by the manufacturing procedures between a ready-to-unlock position corresponding to the locked position of the latch (22) and a ready-to-lock position corresponding to the locked position.

Abstract: A form-work support arrangement for building form-work for moulding a concrete construction panel on top of a previously poured concrete panel (58). Generally the upper panel to be moulded has the same horizontal dimensions as the previously poured panel (58), the arrangement including an anchor bracket (60) adapted to be removably attached (66) to the previously poured concrete panel (58), an edge form bracket (48) adapted to be removably attached (16) to the anchor bracket (60), the edge from bracket (48) adapted to removably support an edge form (18) having an outer face, the outer face defining an edge of the concrete panel to be poured and positioned so that the outer face is generally above the edge of the previously poured concrete panel (58).

Abstract: A panel-forming system including a plurality of bulkheads and one or more extensions. A first group of the bulkheads are used to define the overall dimensions and shape of the panel, while a second group are used to define at least one aperture formed into the panel. The extensions are made up of a bulkhead-engaging portion and a recess portion that extends from the bulkhead-engaging portion. The aperture extensions are configured to allow various-shaped recesses to be formed in the panels adjacent the apertures. In accordance with 37 CFR 1.72(b), the purpose of this abstract is to enable the United States Patent and Trademark Office and the public generally to determine quickly from a cursory inspection the nature and gist of the technical disclosure. The abstract will not be used for interpreting the scope of the claims.

Abstract: A mold side system for a concrete mold, including one or more mold side parts to be removably attached to a casting bed by one or more magnet units. The magnet unit has a front face to be supported against the back face of the mold side part, which front face includes an oblique projecting member to be placed in an oblique counter-groove or hole provided in the back face of the mold side to thereby press the front face and the back face together when the magnet unit is attached to the casting bed.

Abstract: A system for tilt-up concrete panel forming for use on a casting surface comprising an elongated base strip having an elongated groove in an upper surface, having a chamfered edge, and having a bottom surface adapted to be adhesively attached to the casting surface. The base strip has a support edge on the upper surface for receiving and supporting an elongated wooden panel form. A plurality of brackets each have a bottom section for mating with the elongated groove of the base strip at spaced intervals along the base strip, and the brackets further including a support section for supporting a side of the panel forms. Suitable clips can be added to the support sections of the brackets to impart a camber to an end of the concrete panel being formed.

Abstract: A modular mold assembly according to the present invention provides a modular exposed surface, which provides a layup surface which receives uncured prepreg composite material layers. In one orientation, the mold portions are mountable to each other and to a mold base such that the exposed surfaces define a continuos substantially U-shaped layup surface. In another assembly orientation secondary engagement surface are mated such that a substantially curved layup is formed from the exposed surface. In yet another mold assembly orientation, a mold support surface is mounted to a subset of the mold portions such that another layup surface is formed for composite components which require an extended portion. Guide outlines are provided within the exposed surface in predetermined areas as locators for a plurality of composite material layers which form a panel which is smaller than the exposed surface.

Abstract: Adjacent tilt-up concrete wall panels are poured on a horizontal concrete floor or forming surface and are separated by a bulkhead device including a base member or channel of extruded semi-rigid plastics material and secured by screws to the forming surface. The base channel has upwardly projecting walls with inwardly projecting opposing teeth which releasably engage outwardly projecting teeth on spaced side walls of a generally U-shaped bulkhead member of extruded semi-rigid plastics material. The spaced side walls also have opposing ribs for gripping a bulkhead extension member, and the bulkhead member is also extruded with outwardly and downwardly projecting walls which have tapered lower edge portions engaging the forming surface to form chamfer corners on the concrete panels.

Abstract: Hybrid molds for molding a multiplicity of solder balls for use in a molten solder screening process and methods for preparing such molds are disclosed. A method for forming the multiplicity of cavities in a pyramidal shape by anisotropically etching a crystalline silicon substrate along a specific crystallographic plane is utilized to form a crystalline silicon face plate used in the present invention hybrid mold. In a preferred embodiment, a silicon face plate is bonded to a borosilicate glass backing plate by adhesive means in a method that ensures coplanarity is achieved between the top surfaces of the silicon face plate and the glass backing plate. In an alternate embodiment, an additional glass frame is used for bonding a silicon face plate to a glass backing plate, again with ensured coplanarity between the top surfaces of the silicon face plate and the glass frame. In a second alternate embodiment, a silicon face plate is encased in an extender material which may be borosilicate glass or a polymer.

Abstract: A system and method of cooling glassware molds by directing liquid coolant to the blank or blow mold halves of a glassware forming machine through an enclosed pivotal rotary union-type structure. A coolant manifold is carried by each pivotal mold arm, and communicates with coolant inlet and outlet ports at the lower end of each mold part. The manifold is connected by a floating shaft seal and a rotary union assembly and a crank arm to a coolant source and coolant return in the section box of the associated machine section. Each pivotal connection—i.e., between the section box and the crank arm, between the crank arm and the rotary union assembly, and between the rotary union assembly and the floating shaft seal—comprises a bi-directional rotary union for feeding liquid coolant to the manifold and mold parts, and returning coolant from the manifold and mold parts.

Abstract: A formwork system is provided for prefabricated concrete parts, wherein a magnetic body can be set with its underside on a base plate and over which formwork parts can be fixed in their respective position. The formwork part has a lift-off stirrup engaging over the magnetic body, and between the lift-off stirrup and the cover side of the magnetic body facing away from the base plate there is a slot into which the magnetic body is retractable with a lifting element. This formwork system is characterized by a retaining elements which are releasably coupled on the magnetic body when it is retracted into the slot. This has the advantage that, by the couplable retaining elements, the magnetic body is securely fixed in the lift-off stirrup in its retracted state. Preferably, the coupling elements are constructed as magnetic and adhesion surfaces, which are arranged in the region of the slot between the magnetic body and lift-off stirrup.

Abstract: A centrifugal dental casting station for a rotating casting machine comprises a tank having a base, side walls, a ceiling having first slide holes, a first opening, a closing member for the first opening, and a cross-traversing partition attached to the base and the side walls in the tank. The base, the side walls and the ceiling form a cavity, and the cavity can be filled with a filler material through the first opening. A support member is attached to the tank for supporting the rotating casting machine thereon. The casting station provides a substantially stable platform for operating the rotating casting machine thereon.

Abstract: Hybrid molds for molding a multiplicity of solder balls for use in a molten solder screening process and methods for preparing such molds are disclosed. A method for forming the multiplicity of cavities in a pyramidal shape by anisotropically etching a crystalline silicon substrate along a specific crystallographic plane is utilized to form a crystalline silicon face plate used in the present invention hybrid mold. In a preferred embodiment, a silicon face plate is bonded to a borosilicate glass backing plate by adhesive means in a method that ensures coplanarity is achieved between the top surfaces of the silicon face plate and the glass backing plate. In an alternate embodiment, an additional glass frame is used for bonding a silicon face plate to a glass backing plate, again with ensured coplanarity between the top surfaces of the silicon face plate and the glass frame. In a second alternate embodiment, a silicon face plate is encased in an extender material which may be borosilicate glass or a polymer.

Abstract: A lay-up mold is disclosed. The mold comprises a multi-sided vertically extending frame formed of sheet steel. A plurality of spaced apart vertically extending ribs also formed of sheet steel are positioned within the frame and rigidly affixed thereto, the ribs having upper edges which conform to the shape of the mold surface. The mold also comprises a plurality of spaced apart vertically extending partition elements formed of sheet steel positioned within the frame which transverse the ribs and rigidly and are affixed to the frame, with the partition elements having upper edges which conform to the shape of the mold surface. A layer of perforated sheet steel is rigidly affixed to the frame and the upper edges of the ribs and partition elements, with a coating of polyurethane overlying and bonded to and interlocked with the perforated sheet steel, the coating forming the mold surface.

Abstract: A mold box is flexibly mounted to a product forming machine having upper and lower vertically displaceable beams. A feed drawer dispenses concrete material into the mold box while a vibration system vertically vibrates the mold box while dampening horizontal vibration. The vibration system is driven by a single drive shaft that actuates first and second vibrator rods while at the same rotating a counter-weight in a counter-rotating direction. A set of alignment brackets lock the mold box into a predetermined aligned relationship while being mounted in the product forming machine. The bottom side of each mold box is mounted to the product forming machine in the same relative position to reduce machine readjustments. A set of telescoping legs hold the feed drawer assembly variable distances above the mold box. A unitized pallet feeder quickly moves pallets one at a time from an “on-deck” position to a “receiving” position underneath the mold box.

Abstract: This invention relates to an improved mould for casting a standard Magnesium ingot. The mould is constructed so as to minimize the surface area of the molten Magnesium which is exposed to the surrounding air. This significantly reduces the reliance on costly or harmful gases typically used in the casting process. The vertical mould which is internally tapered, has an open top and a closure at the bottom thereof. The ingot is easily removed from the mould when said closure is opened. The mould is adapted for use as part of an automated process employing a cyclic conveyance system for efficiently producing Magnesium ingots from recycled scrap Magnesium.

Abstract: A wax molding toy uses a heat retaining housing with a transparent surface to provide wax melting temperatures with typical indoor solar flux intensities.

Abstract: A machine for making ice cream bars is provided with a receptacle for holding a refrigerant, preferably an ice and brine bath, a lower lid movably mountable over the receptacle, and an upper lid mountable over the lower lid, the lower and upper lids rotatable together about a vertical axis. The machine further includes four containers for receiving and holding an ice cream bar mix, the containers configured to be coupled to the upper lid and the lower lid with a portion of the container immerged in the bath. A user can turn a handle on the receptacle to rotate the lids, and thus the containers relative to the bath in order to promote freezing of the ice cream mix into an ice cream bar.

Abstract: A new technique for efficiently manufacturing jewelry includes the use of a universal frame in combination with a low cost flexible mold. Various inserts can also be used to customize jewelry pieces made using the mold and frame. The material cured in the mold can be cured with ultraviolet light, which penetrates the mold, the mold frame and an arbor, which transmit ultraviolet light to better cure the item being molded.

Abstract: A mold (10) for molding thin resin sheets includes a center mold plate (12) and two side mold plates (14, 16) disposed on opposite sides of the center mold plate. The mold plates are oriented generally vertically and parallel to each other, and the side mold plates are narrowly spaced from the center mold plate to define a pair of generally vertical mold cavities (18, 20) on either side of the center mold plate. The side mold plates may optionally include recesses (51) in their generally planar mold surfaces (38, 40) adjacent at least one longitudinal edge of the plate, for molding thin resin sheets with integral edge flanges. The mold includes spacer strips (46, 47) for spacing the side mold plates a precise distance from the center mold plate and parallel thereto. The mold thus permits molding of thin resin sheets having precisely controlled uniform thickness.

Abstract: A side wall system for a concrete casting mould, including a side part (1, 7) which is removably attachable to a casting bed by means of one or several magnets (11). The body (10) of the magnet part that carries the magnet (11) is provided with a gripping loop (14) or with a downwardly open gripping hook through which a release lever can be pushed in order to detach the magnet from the casting bed.

Abstract: An apparatus for molding the hulls of vessels comprises a plurality of individual starboard base panels, starboard side panels, port base panels and port side panels, interconnected in a number of respective first panel groups and second panel groups, which groups are then connected side-by-side along the length of the vessel hull to be formed. The first panel groups are longitudinally spaced from one another and carried by adjustable vertical supports, whereas the second panel groups are removably mounted in between adjacent first panel groups to form a continuous negative mold surface against which the vessel hull can be constructed.

Abstract: A new technique for efficiently manufacturing jewelry includes the use of a universal frame in combination with a low cost flexible mold. Various inserts can also be used to customize jewelry pieces made using the mold and frame.

Abstract: A forming die including of a holder having an upper portion and a lower portion, each portion having a main substrate extending in a first longitudinal direction. A fixing substrate is located on one end of the main substrate and a movable substrate is located on an opposite end of the main substrate and is movable along the main substrate in the first longitudinal direction. A plurality of die forming segments are situated between the movable substrate and the fixing substrate. Tie rods extend along the main substrate outside the periphery of the plurality of die forming segments, and connect the movable substrate and the fixing substrate to one another.

Abstract: A forming system for constructing stone benches which incorporates a forming tray that has a central support extending therethrough. The central support is temporarily supported at opposite ends and temporary shoring is provided beneath the length of the forming tray. Concrete and stone are placed in the forming tray and allowed to set. Next, the set concrete and stone are removed from the forming tray and support legs are placed under the concrete and stone and they are lowered into final position.

Abstract: A formwork system for prefabricated concrete parts has a baseplate (1) on which is mounted a magnet element (2A) which holds formwork or attachment elements in their positions. In order to enable such formwork or attachment elements to be handled more easily, they are equipped with a lifting frame (14) which overlies the magnet element (2A) and, on the side of the magnet element (2A) facing away from the baseplate (1), there is a gap (19) between the magnet element (2A) and the lifting frame (14). A suitably designed spring device (25) in the lifting mechanism can be used, after zeroing, to enable lifting to be carried out automatically.

Abstract: A unitary concrete product mold formed from a central member having an array of product-shaping molds bounded by side and end portions. Support rails mounted on the bottom surface of the central member limit deflection of the central portion of the central member, improving product quality and reducing mold wear.

Abstract: A mold assembly and method for producing a resin based countertop having an integrally formed sink bowl and a built-up edge. An elongate base is defined by a central surface area which is bounded by a plurality of interconnecting and elevated sides to establish a mold enclosure which is a negative shape of the countertop to be produced. A template is settable upon the elongate base and movable in a selected longitudinal direction so that an opening formed in the template is positioned in overlaying fashion at a desired location along the central area. A first sink bowl pattern is placeable in mating fashion within the opening in the template and upon the central area of the base prior to removal of the template. First applications of selected resinous materials are provided within the mold enclosure and around an exterior circumference of the first sink bowl pattern.

Abstract: A method and assembly (20) to form a cast concrete panel (21). The assembly (20) has end beams between which tendons (23) can pass. The beams need to be able to support tensioning of the tendons. Transversely extending form members (25) cooperate with form members (27) to enclose a space to receive concrete to form the panel (21). The tendons (23) pass through the space.