Abstract: A casting installation for casting slip into ceramic product by use of at least one unique casting mold. The casting mold is formed of a plurality of separate mold parts each having a plurality of channels therein and having its respective outer face treated to be fluid-tight and inner molding surface. The casting installation includes a pressure-resisting container having a surrounding wall formed along the inner surface thereof so as to define an opening through the container, the mold parts, when assembled, being dimensioned to define a molding cavity of the casting mold; the space being in communication with the molding cavity of the mold. The casting installation further includes a clamp for clamping the casting mold firmly; the channels are operatively connected for depressurizing the channels; a source of slip operatively connected to the molding cavity of the casting mold; and a source of fluid operatively connected to the space surrounding the casting mold.

Abstract: A slush mold for molding film moldings such as surface coverings of interior finishing parts of automotive vehicles. The slush mold comprises a mold body having a molding surface of a predetermined shape formed in the inner surface thereof, a skirt capable of being detachably joined to the mold body so as to cover the marginal portion of the inner surface of the mold body other than the molding surface so that a resin film molding is formed only over the molding surface, and guide members for guiding the skirt so that the skirt is joined correctly to the mold body. Thus, the molding material is distributed only over the molding surface, and thereby the yield rate of film moldings is improved and the work in the subsequent process is facilitated.

Abstract: Molded contact and intraocular lens blanks are lathe cut into the finished lens without demolding and prior measurement of the blank by the use of a hemispherical based mold with at least one key way adapted for spindle bore feeding to a lathe equipped with a hemispherical locating ring and corresponding key. Among other things the mold and method disclosed provide a convenient way to generate prism or multiple curve segments as required for segmented bifocal lenses or the like.

Abstract: An apparatus and method for making a plurality of formed concrete products. The apparatus comprises a platform having a mold tray situated thereon, wherein the platform has a built in vibrator and the mold tray is attached to a hydraulic lift system. The hydraulic lift system lifts and inverts the mold tray and cured concrete products for easy removal.

Abstract: A mold for use in a rotary molder in molding the base or egg white portion of a molded product simulating a section of hard boiled egg includes a curved plate adapted for attachment to the rotary molder, the curved plate containing at least one depression on one side to receive the dough or other moldable composition. Each depression in the plate contains a raised portion having a planar surface of circular parameter adapted to form an impression in dough which is received in the depressions of the curved plate. Each raised planar surface within the depression in the plates includes raised ridges adapted to form corresponding grooves in the dough which is received in the depressions which facilitate the baking in situ of a filling or second layer injected into the depression formed in the molded dough pieces.

Abstract: An apparatus for making a plurality of formed concrete products. The apparatus comprises a platform having a series of mold cavities, wherein the platform is attached to a vibrator and a hydraulic lift system. The hydraulic lift system lifts and inverts the platform, molds, and cured concrete products for easy removal. The apparatus also comprises a reinforcing bar support system which suspends the reinforcing bars from tapered pins extending into the wet cement, thus eliminating the need for placing reinforcing bar supports on the bottom of the mold cavity.

Abstract: A method of rotationally molding hollow articles from cross-linkable polymeric material wherein the mold and molding material are simultaneously revolved about two nonparallel axes while being heated to fuse and cross-link polymeric material. When the polymeric material is partially cross-linked the mold containing the hollow article is opened at at least one location to admit heated air circulated therethrough to facilitate cross-linking of the inner portion of the molded tubular article and produce a smooth inner surface therein. Also disclosed is apparatus for performing the molding method of the invention.

Abstract: Molten oxide of grinding material, refractory material, etc., being poured into a circular casting space formed between coaxially arranged inner and outer cylinders and cooled by the water contained in the inner cylinder. Thus, the molten oxide is cooled radially from the center of the inner cylinder and solidified. The outer cylinder includes two segments which separate from each other for facilitating putting the molten oxide into the casting space and taking the resulting solidified product out of the casting space.

Abstract: The machine, which is adapted to be continuously fed with pasta filata, comprises:(a) a horizontal, circular table, having a first radial aperture adapted to be supplied with pasta filata and a second radial aperture for delivery of the product;(b) a shaft protruding vertically from the table center and driven by stepping motor means located beneath the table, and having an integral wheel provided with a peripheral rim;(c) a set of sector-shaped plates adapted to abut against said rim to form a full ring, each sector-shaped plate being slidably supported on the table and being provided with a plurality of radially aligned rows of vertical molding tubes opening at their bottoms through the plate and housing respective slidable pistons, so that each row of molding tubes will straddle a desired aperture of said first or second radial apertures for predetermined angular positions of said wheel;(d) fastening means for clamping said sector-shaped plates to said wheel rim;(e) water spraying means located above the s

Abstract: System for forming concrete tilt up wall panels, wherein a plurality of form pans are assembled on guide bars resting on a flat surface by receiving lugs on the guide bars into openings in flanges of the form pans, the flanges of adjacent form pans being overlapped and being engaged with common guide bar lugs. The form pan assembly is surrounded by metal members forming a boundary for the overall form. Inserts may be placed in the forms for providing connections for lifting, and for propping up the finished wall panel. Several connection appliances are provided by the invention.

Abstract: A mold is provided for use in the production of concrete pipe sections. The mold has an inner mold part including an arch-shaped mold member; a pair of substantially L-shaped side mold members each flexibly connected to an adjacent end of the arch-shaped mold member and extending along the side portions of the mold and with parts extending inwardly across the bottom portion of the mold, and a separable mold member detachably connected between the inwardly extending parts of the L-shaped side mold members. The parting of the mold from the product is accomplished by removing the separable mold member, and urging the L-shaped side mold members inwardly. Provided also is a mold for use in the production of mitred concrete pipe sections comprising an upper inclined pipe and a lower inclined pipe which are connected to each other at their mitred surfaces. A mold is also provided for producing concrete pipe elbows having partition plates adapted to produce elbows of various arcuate sizes.

Abstract: A battery type mold assembly in which simple upwardly extending mold members having relief patterns on their major mold surfaces are pivotally mounted on a frame at the lower ends so as to be movable between a closed position in which a mold cavity is formed and an open position in which there is provided for the removal of a molded article therefrom. The assembly is characterized by the presence of carrier members which are, at least initially, adjustable relative to each other and the carrier members are pivotally connected to the mold members.

Abstract: A proofer container for use in the baking industry fabricated of high-density material exhibiting substantial imperviousness to environmental contaminants. A unitary structure is provided with a suitably shaped dough-receiving receptacle and is configured to receive and contain a quantity of dough to be proofed, or raised in an intermediate step in the production of baked products. The unitary structure may be provided by use of a typical rotomolding process that is further enhanced by the insertion of a pin extending through an end wall of the mold and extending into the mold cavity to an adjacent section to a location so that the interior of the pin is spaced from the adjacent section by a distance substantially equal to the thickness of the walls of the tray to be fabricated.

Abstract: An apparatus for forming concrete burial vaults and the like. The apparatus comprises a plurality of forms which are movable independently and as a unit in a series of operating steps to form a completed vault. Drop-in apparatus for forming a compound vault is also described.

Abstract: A machine for producing ice-cream units, preferably separate elongate units on a stick known as ice-cream lollies. The ice-cream paste is discharged from nozzles into moulds formed in essentially square plates. The plates are arranged on trays which form a conveyor belt and they are arranged to be lifted off said trays. The machine also comprises means arranged to lift the plates turn them over a quarter of a turn or more and then again lower them onto the conveyor belt.The ice-cream is discharged into the moulds in the direction of advancement of the conveyor belt and the turning of the plates means that the ice-cream units are accessible from the side for application of sticks or the like.

Abstract: A formwork system for a concrete floor provided with a floor joist, comprising side form elements for the lateral surfaces of the floor joist, the sheathing of the side form elements being fastened to frame pieces extending perpendicularly to the longitudinal axis of the floor joist, further bottom form elements having at least one sheathing for the underside of the floor joist, and devices for interconnecting the side form elements, characterized in that at least the side form elements (1, 2, 61, 130, 131) of one side are pivotally suspended from the ceiling formwork (girder 65) and that the side form elements are interconnected by fastening means (7, 9, 148) that can be released for stripping.

Abstract: A method for molding elongated workpieces wherein the mold is comprised of three vertically oriented quadrants and a fourth quadrant pivotally mounted relative to the three quadrants between a mold open position and a generally vertically oriented mold closed position. A workpiece is loaded into the mold by positioning end plates on the workpiece and locating the combination on the fourth quadrant by positioning of the end plates on locating pins projecting from a frame member or tilt beam associated with the fourth quadrant. Slide assemblies are then moved into workpiece engaging positions on each end of the workpiece to accurately locate the workpiece relative to the fourth quadrant. The fourth quadrant with the workpiece locked thereon is then moved into a mold closed position for molding.

Abstract: An unsupported form system for ceiling formworks is disclosed which comprises of three elements, i.e. extensible shores, head elements on the top of said shores and form boards to be positioned directly on the head elements. The head elements have flat supports for the boards which, for their part, have an open frame, the edges thereof cooperating with truncated pyramid noses on said supports. The boards may be suspended on the head elements of erected shores from below and may be brought into their horizontal operational position with the next shores once these have been erected. Pivotal levers are used for supporting adjacent boards between those which are supported directly on the head elements which interconnect said shores in pairs.

Abstract: The method of battery molding metal-reinforced panels of matrix forming materials like, for example, concrete is improved by the use, as reinforcement for each panel, of a stratiform and biplanar structure formed of two spaced coextensive metal sheets in a parallel and mutually supporting arrangement. Preferably, at least one sheet has a multiplicity of perforations as well as a multiplicity of protrusions. The reinforcements are provided with partitioning layers and stacked in the cavity of a molding box. Upon casting and setting of the concrete or the like material into the cavity compartments metal-reinforced panels are obtained in which the biplanar reinforcement extends substantially through the panel. The tiltable molding apparatus for use in battery-molding of the panels includes a molding box in combination with at least one fluid-cushion or fluid-bag capable of varying its outer shape in response to the amount of fluid within said cushion.

Abstract: An apparatus and process for forming molded articles from particulate plastic material. A hollow heat-conductive male mold is surrounded with particulate plastic material. Heat is applied to the interior of the mold until the temperature of the outer surface is above the fusion temperature and below the melting temperature of the particulate plastic material. This temperature is maintained until an article of desired thickness is formed. Thereafter, loose particulate material is removed from the outer surface of the molded article and heat is again applied to the interior of the mold so as to cause the outer surface of the molded article to become smoother. Finally, the article and mold are cooled and the article is removed from the mold.

Abstract: A proofer tray assembly with a circular cup having a stepped configuration providing a series of substantially horizontal annular surfaces forming ledges for retaining a dough release agent such as sifted flour or sprayed oil.

Abstract: A method and apparatus for molding ceramic ware includes a support table having a horizontal axis of rotation with a plurality of molds attached to opposed surfaces of the table for orientation in the vertical upright and vertical inverted positions. A fluid molding material is poured into the mold when in the open upright position and is permitted to set up to the extent of forming a shell and then inverted to pour the remaining molding material from the mold, while molds on the opposed surface are disposed in the upright position for receiving mold material.

Abstract: A mold bed having a number of longitudinal mold cavities is surrounded by a reinforcement structure which permits the mold bed to be handled as a unitary product. Mold cavities have removable end walls, one at each of opposite ends, to promote releaseability of the product from the mold cavities once they are removed. The mold cavity has a trunnion, one at each of opposite ends of the mold body so that the mold body can be rotated from an upright position when it receives the concrete in the mold cavity to an upside down position whereby the products are removed of their own weight. Two transverse spaced channel straps extend across the open face of the cavity so that when the mold bed is turned upside down, the molded parts are held temporarily by the mold straps, which are then released by unbolting their connections with the mold bed. A fork-lift truck removes the molded parts ater the mold straps are removed.

Abstract: Method and apparatus for the manufacture of pre-cast plate-like concrete elements on a building site. A horizontal casting table has a large area mold into which the concrete is poured. After a short setting time to allow the concrete to harden, the table is raised to a vertical position and the partially hardened concrete element is drawn off of the mold. The process of moving the table to a vertical condition is accompanied by a lateral movement such that the latest element is stacked at the head of a line of previously cast elements. The elements are allowed to stand undisturbed until hardening is complete. Casting is done in a movable shed which shelters the partially hardened elements from the weather. Ribbed elements may be cast using a further mold element raised and lowered from the ceiling of the shed.

Abstract: An outfit for manufacturing concrete units includes one frame, which can move along a rail-track, and two detachable forms-tilters on it. The length of the unit made in the forms can be varied. Each form has also detachable equipment (edges, dies, and dividing bars). Before stripping the units, the side edges of the form are thrown aside and the bottom edge is taken away. A detachable hinged clip which is fixed on the bottom side is moved into a working position. Then the form is turned over 90.degree., and the outfit moves to a rack. The top edge is thrown back, the clip is released, and the unit falls down on cushions. The outfit operates in the same manner on the other side of the rail-track. It is possible to manufacture in one form two or more units at the same time with corresponding increase in quantity of clips on the bottom side of the form.

Abstract: A molding machine for the production of polygonal structural elements, e.g. concrete squares, comprises an assembly of vertical plates disposed between a pair of end members of a support and defining generally flat mold cavities of the shape desired with respective bottom members and lateral gates. The lateral gates are hinged to the rectangular bottom members at the ends thereof and are interconnected by respective bars so that all of the lateral gates along each side of molded cavities can be swung outward into release position and indeed into mold-closing positions by laterally shiftable carriers on the end members of the support.

Abstract: A centrifugal casting machine of the broken arm type has a rotatable casting arm on which a swing arm, which supports a crucible and a casting ring, is pivotably mounted. The crucible is tiltable so that upon initial rotation of the casting arm the crucible tilts to a pouring position to pour molten metal into the casting ring. A cam follower on the swing arm engages a cam on the base of the machine to hold the swing arm, during a start up period of rotation, in an orientation in which the flow path of molten metal lies in a plane approximately tangential to a circle concentric with the axis of rotation of the casting arm. This orientation and the tilting action eliminates splashing or other metal losses.After the initial period of rotation during which the metal enters the casting ring, the cam releases the swing arm for alignment with the casting arm so that the action of centrifugal force in filling the mold cavity is maximized.

Abstract: A mold apparatus for forming a molded article comprising a hollow body of a crosslinked polymer rotationally molded around a section of at least one piece of non-crosslinked conduit, which conduits protrude from said hollow body, made by attaching said conduits of non-crosslinked material at the desired location to the mold with said section being located inside a heated section of the mold so that the crosslinkable polymer during a rotational molding process is fused and crosslinked inside of the mold and around and in tight welding-type connection with said section, whereas the remainder of the piece or pieces of uncrosslinked polymer are heat-insulated, thus avoiding deformation or collapsing of these pieces.

Abstract: A high melting temperature metal, casting mold is made of sheet metal embedded in a supporting mass of refractory particles preventing deformation of the sheet metal under the weight of the cast metal and conducting heat from the sheet metal at a rate preventing complete melting of the sheet metal.

Abstract: A tapered mould consisting essentially of a rigid outer frame formed of a set of radially arranged longitudinally extending guide members and a set of axially spaced encircling rings, and a gapped frustoconical tubular casing of resilient sheet material having a set of longitudinal stiffening members arranged thereon for sliding engagement with the respective guide members. The gap in the wall of the tubular casing, extending along a longitudinal line on the periphery of the casing, is opened and closed automatically as the tubular casing inserted in the outer frame is moved axially in opposite directions. Labor - consuming bolt - clamping and releasing operation is completely eliminated and the mould operation can be mechanized with ease, as desired. Packing means interposed between a pair of stiffening members arranged on the opposite sides of the gap further ensures leak - proof gap closing.

Abstract: For casting large concrete articles, a wheel-mounted main frame supports a mould assembly which can be rotated about a horizontal axis, and also raised and lowered. This assembly has two main mould sections oppositely arranged so that when one faces upwards the other faces downwards. A removable mould section fitted to each main mould section forms a complete mould capable, when uppermost, of receiving concrete to be cast. The mould assembly may then be inverted and lowered to a support, and the removable mould section disconnected to serve as a pallet for the cast article. The mould assembly may be raised, concrete may be cast in the other mould, which is uppermost, and the main frame may be moved clear of the deposited cast article.

Abstract: Apparatus for horizontally casting a panel, preferably a non-composite insulated panel of reinforced concrete of substantial area and thickness in a heated mold. The mold is part of a rotating mechanism and lift frame for rotating and vertically stacking the panel when the panel is partially cured.Reinforcing steel is put into a heated mold. A layer of concrete is poured into the mold, forced into close and intimate contact with the mold and through the reinforcing steel by means of a traveling auger, striker plate and vibrating screed; insulation board and shear connectors are placed in the mold, further reinforcing steel is then placed in the mold, and a second layer of concrete is poured into the mold and forced through the reinforcing steel, by means of the traveling auger, striking plate and vibrating screed, which at the same time as they force the concrete through the steel, produce a smooth finish on the non-mold contacting surface of the concrete panel.

Abstract: A mold for concrete test cubes of plastic-like material having a vertically extending enclosure and, about midway, radially projecting impact ledges and at the top of the enclosure vertical spacers in the form of legs or extensions of wall panels.

Abstract: Mold dumping apparatus. Means are provided for dumping excess slip from a mold after desired wall thickness of greenware is obtained. Clamp structure is arranged on a first pair of uprights which latter are both vertically and pivotally movable on a pivot axis with respect to a second pair of uprights. Said second pair of uprights are supported rigidly on a base. The mold is received within said clamp structure and the mechanism operated to lift the first pair of uprights upwardly with respect to the second pair thereof. As same reaches a substantially predeterminable point near but above the point of the above-mentioned pivot axis, same becomes overbalanced and will automatically tip and dump the excess slip out from the mold. Any suitable receptacle may be provided for receiving said slip as it flows out of the mold.

Abstract: A centrifugal casting mold and mold clamping system adaptable to mass-production technology including a tapered multiple part mold and similarly tapered sleeve within which the assembled mold is insertable for resin filling and centrifuging.

Abstract: A mold for use in the slush molding of boots with eyelets includes a pair of narrow, elongated grooves on its interior surface at the front side edges of the mold for forming relatively strong, one-piece, single thickness eyelet stays. The mold is in the form of a boot-shaped shell for receiving heat-curable plastisol, and forming a skin including one-piece eyelet stays.

Abstract: Apparatus for producing molded objects from foamable plastics in which a bipartite mold is secured to two movable clamping plates. One of the clamping plates is movable through at least an angle of 180.degree. from a parallel position with respect to the other clamping plate.

Abstract: Apparatus for molding a concrete panel having:A. an articulated concrete-pouring mechanism with pivotally inter-connected horizontal tubes, each containing a motor-driven feed screw;B. a mold frame pivoted on a vertically-fixed, horizontal axis to be turned from an upright position, which it occupies while being filled with wet concrete, to an inverted position;C. a bottom plate and core assembly in the mold frame mounted for limited, vertically guided movement downward in the mold frame when it is turned over;D. and a vertically-displaceable platform below the mold frame for receiving the concrete filling from the mold cavity when the concrete is stripped from the mold due to its own weight and the weight of the bottom plate and core moving down in the inverted mold frame.

Abstract: A foundry equipment comprises at least one guiding track element on which a number of identical mould parts are successively piled together in a position in which their greatest dimension is horizontal. After the formation of the mould, the guiding track element with the mould thereon is tilted about 90.degree. around a horizontal axis that is parallel to the longitudinal direction of the mould, thus bringing the mould into a position in which it is ready for the pouring operation.

Abstract: The means for creating perforated concrete casing comprises a hollow cylindrical canister having a plurality of spaced apart rows of elongated openings formed therein. The elongated openings in each row are horizontally disposed and are vertically spaced. A first support means is secured to the outside surface of the canister adjacent each row of openings. A plurality of vertically spaced plates are mounted on each of the first support means and are selectively movable into and out of the openings of the associated row. A second support means extends upwardly through the canister and has a plurality of vertically spaced wedges mounted thereon. The second support means is movable towards the canister so that the wedges will penetrate the stiff concrete positioned adjacent the inside surface of the canister so as to create tapered perforations therein.

Abstract: A method and apparatus for the direct casting of steel slabs for subsequent processing instead of casting ingots and then reducing them to slabs, blooms or billets. A flat elongated casting cavity is formed by an assembly of mold components to define a slab. Prior to casting, this mold is inclined at an angle of about 3.degree. to the horizontal with the bottom end of the casting cavity higher than the pouring end. The molten metal is poured through a sprue attached to the mold assembly adjacent the pouring end. The sprue provides a reservoir for molten metal at a level above the bottom end of the casting cavity so that the casting cavity is completely filled during pouring. When pouring is completed, the mold assembly is promptly tilted to an upright position with the pouring end and sprue at the top.