Abstract: A rotary molding apparatus is described, including a heating chamber, cooling chambers and supports for molds which melt and cast workpieces of plastic. The cooling chambers can be arranged circularly around the heating chamber which is disposed at the center, or the heating chamber can be movable such that an opening thereof can be selectively aligned to one of the cooling chambers. The molds can be moved via the supports from a cooling chamber to the heating chamber and back again. This apparatus optimizes component utilization and minimizes cycle times.

Abstract: A body manufacturing system for manufacturing bodies for vans, trailers, trucks and the like comprises; a molding station, a glass fibre applicator, a longitudinal guide associated with each mold for guiding the glass fibre applicator along the length of each mold, a transfer device adapted to support the applicator and transport it along said guide path from one mold to another, an insert locating device for inserting side wall, end wall and roof inserts into the molds, an extraction device for extracting the molded body from the mold in which it is formed, a trimming station, a transporter for transporting the molded bodies from the mold in which they are formed to said trimming station, trimming devices in said trimming station for trimming said body to the required proportions and contour, a floor locating system for locating a floor in the upwardly open end of the body located in the trimming station to form a finished body and a righting mechanism for supporting the molded body and operable to turn it r

Abstract: The foaming system, in particular for foaming refrigerator furniture or cabinets, comprises a first path for the translation of first means for independently carrying furniture pieces, possible means for preheating said furniture pieces, an operating station for handling masks, a second path for the translation of second means for independently carrying or displacing mask members and at least a stocking region for stocking the masks and the related furniture piece contained therein.

Abstract: Polymeric foam, particularly polyurethane foam block, is produced in a stationary, longitudinally-extending, channel-shaped, mould (1a). A mixture of foam reactants partially expands in a vessel (40) and overflows down a fall plate (41) to the bottom of the mould. The vessel and fall plate are progressively transported from one end of the mould to the other to lay down partially expanded foam over the bottom of the mould (FIG. 1). The ends (11,12) of the mould may be opened to permit entry and exit of a foam lay-down unit (6) and transporting means (7) and to permit removal of the expanded foam strand (61) (FIGS. 6 and 7). The mould may be covered (14) after foam lay down and means (5) may be provided for removing gases emanating from the foam (FIG. 1).

Abstract: A plant for cold isostatic pressing of powder to pressed bodies includes a dry isostatic press, a plurality of press tools, a circulation conveyor path (2) for the tools and means for advancing the tools (3) along the path (2). The path (2) includes a first and a second straight section (21,22). On one side of the press there extend a plurality of third straight mutually parallel conveyor sections (23) at right angles to the sections (21,22). Each such third conveyor section (23) extends through an associated filling station (10). A plurality of fourth conveyor sections (24) extend parallel and at right angles to the first and the second conveyor sections (21,22) on the other side of the press. Each fourth conveyor section (24) extends through an associated emptying station (11).

Abstract: A system for manufacturing three-dimensional work pieces, such as interior automobile components, includes several cooperating stations arranged in such a way that a hingeable mold member connected to a hinging frame may cooperate with another mold member or with other tools such as trimming tools, curing tools, cleaning and waxing tools and the like. The hinging frame is engageable by hinging bolts of the same construction located in different work stations. The hingeable mold member is transportable, for example on an endless conveyor, when it is disengaged from the hinging bolts. The number of work pieces produced per unit of time is increased by the cooperation of a forming or shaping station with a trimming station, with a foaming station and several curing stations for the foamed material in a shaped work piece.

Abstract: A method of forming cast concrete modules made of a floor, two spaced apart upstanding walls, and a roof extending between the walls. The method uses casting beds in groups of four and one set of forms, two interior and two exterior forms, which are movable from bed to bed. By performing different steps of the method on different casting beds on different days, separate modules can be erected progressively on separate beds in a group of four, so that with one set of forms and one group of beds, three modules can be produced every eight consecutive days.

Abstract: A combination long lower mold and pretension bench for the formation of prestressed concrete materials is constructed by serially connecting plurality of unit lower molds of concrete, attaching prestressing steel wire tension benches one each to the foremost and rearmost unit lower molds, and fastening the unit lower molds and the tension benches collectively with steel wires. Prestressed concrete materials are obtained by stretching prestressing steel wires along the upper surface of the long lower mold, continuously pouring and placing stiff-consistency concrete on the long lower mold, causing a slide upper mold to run on the concrete thereby shaping the concrete in a required cross section, curing the shaped concrete strip, and cutting the cured concrete strip into pieces of a desired size.

Abstract: Plant comprising a rotary drum with a horizontal rotary axis lined, over its outer cylindrical surface with molding means and adapted to pass said molding means during rotation, before various working stations such as concreting, hardening, stripping and core positioning stations. The drum is equipped with beams with a composite profile fixed, notably by welding, longitudinally on the outer periphery of the drum. The beams have a cross-section which has zones adapted to form a roller track parallel to the longitudinal axis of the drum for the rolling and guidance of compacting means for the concrete. It is equipped with fastening means for the molds in a position situated radially outwards with respect to said roller track. It also has sufficient mechanical strength to absorb the major part of the prestressing forces exerted on the cores in the case of manufacturing prestressed concrete elements.

Abstract: A mobile cement block production plant. The plant is comprised of a mobile block producing station mounted on the bed of a vehicle and a mobile block curing station, independently movable with respect to the block producing station, with the curing station comprised of a trailer having a bed, and mounted on the trailer bed are at least two block curing kilns for steam curing of blocks, each of the kilns being capable of independent function with respect to the other, and each of the kilns having an associated extendible canopy which may be extended from kilns toward the block producing station so that blocks may be continuously manufactured and cured, a canopy from one extendible station being used for steam curing of blocks while block previously steam cured in the other may be loaded.

Abstract: The invention relates to an installation for the manufacture of a large range of small and medium products of reinforced and unreinforced concrete.This installation comprises: a series of boards A, an installation B for distributing the concrete, smoothing, and discharging the hardened products from the installation and for cleaning and oiling the boards; a tilting frame C with one or two rows of molds; a device D, for introducing boards onto the frame; some molds or batteries of molds E, provided with concrete-deareating means; and a hardening system F, dismountable and usable either in an overhead installation or in a below-ground installation.This installation ensures, apart from diversification of production, a substantial improvement in the quality of the products and in their cost price.

Abstract: A characteristic feature of the present invention is the fact that the pipe producing plant has a horizontal platform rotatable round a vertical axis, on which a mould with conduit formers for pipe making is located. The base of the plant mounts a mechanism for feeding, tensioning of the reinforcement wire and wounding it onto a moulded pipe, and bench carrying a mechanism for filling the mould with concrete mix, a mechanism for smoothing the pipe end face and a mechanism for placing a protective cement mortar cover upon the reinforcing wire wound onto the moulded pipe. The plant incorporates also a mechanical actuator for alternatively raising and lowering the conduit formers, said actuator being mounted on a rigid base outside the rotary platform.

Abstract: A portable concrete molding apparatus for use in casting concrete building components of particular shapes. The apparatus includes a trailer onto which is mounted three mold sections with one of the mold sections fixedly attached to the trailer and with the other two mold sections movably attached to the trailer.

Abstract: The invention relates to an installation or plant for making sintered brick blanks, which includes a material preparation plant, a press and molding device, a drying and sintering device, a discharge device and feeding means, as well as a central power source, and control and monitoring devices. The material consisting, for example, of clay, loam, clay marl with aluminum oxide and liquid medium, is prepared in the material preparation device and is formed into a strand by means of an extruder in the form molding device. The strand is then cut into brick blanks by means of a strand cutter and a wire cutter. The brick blanks are transferred with suitable transfer means and a displacement device in a defined, spaced-apart relationship, onto a transfer truck and from there onto a drying and sintering truck. A plurality of drying and sintering trucks run in a closed series through a tunnel dryer at an optimum speed for the drying process.

Abstract: A factory barge for manufacturing reinforced concrete products comprises a batcher plant mounted at one end of the hull for preparing ready mixed concrete, a reinforced concrete product unloader mounted at the opposite end of the hull, and, between the batcher plant and the unloader, in the order mentioned, concrete placers for receiving the concrete from the batcher plant and placing it into elongated molds held in the fore-and-aft direction, compactors for compacting the concrete in the molds, a curer for curing the concrete compacted in the molds, and a mold remover for removing the molds from the cured concrete products. An equipment for fabricating reinforcement cylinders is mounted on a deck above the deck where the concrete placers are installed, and means for transferring the molds from the concrete placers to the compactors, curer, and mold remover is so disposed as to handle the molds while maintaining them in the fore-and-aft direction.

Abstract: A system for transferring raw covers for motor vehicle pneumatic tires to vulcanizing autoclaves arranged in at least one row thereof from an overhead conveyor having a plurality of trolleys each carrying one raw cover, comprising a secondary conveyor branch of the overhead conveyor, onto which the trolleys can be diverted to a wait unloading, and a transfer mechanism comprising a plurality of transfer devices running on an overhead track system and each having a support column suspended from a trolley which runs on the track, the support column serving to guide a first frame for vertical displacement and the first frame itself supporting and guiding a second frame for horizontal movement, the second frame carrying at least one gripper device at the end of an arm which is rotatable about its longitudinal axis to position the gripper device pointing upwardly, in which position it is able to remove a cover from a trolley, or downwardly, in which position it is able to deliver the cover to the selected autoclave

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: The present invention refers to a plant for the mass production of prefabricated structural elements for the building industry, such as prestressed or unprestressed concrete wall panels.

Abstract: An apparatus for continuously producing finished prestressed concrete wires along a prestressing bed with a plurality of prestressing members which extend along the prestressing bed and which are arranged to pass through the concrete members when formed. The apparatus includes a scaffold which spans the prestressing bed in a gantry-like fashion and is supported for movement in a direction parallel to the bed. The scaffold extends over at least two adjacent stations along the prestressing bed for producing the finished prestressed concrete members. A number of vertically movable lower form members are carried on the scaffold for movement to a lowered position on the prestressing bed for receiving fresh concrete to form the concrete members. After the concrete members are formed and bonded the lower form member may be raised away from the finished concrete member.

Abstract: A mobile plant for manufacturing corrugated drain pipe includes an extrusion apparatus, a pipe molding means and a coiling machine for coiling up the extruded pipe. The apparatus may conveniently be mounted in a trailer for transport.

Abstract: A factory for manufacturing concrete products, in particular prestressed concrete products, comprising a rotary supporting housing of a general cylindrical shape, having a horizontal axis of rotation and conveying moulds, for the concrete products, placed on its internal surface. The rotary housing comprises a circular carrier structure supported by means permitting the rotation of the said carrier, and a structure, resistant to longitudinal stresses, arranged in the interior of the carrier structure. The resistant structure comprises, on the one hand, longitudinal recesses adapted to receive sets of moulds, and, on the other hand, at one longitudinal end means for the attachment of reinforcement wires of the concrete products and, at its other longitudinal end, means for tensioning the reinforcement wires, such that the tensile stresses of these wires are taken up exclusively by the aforesaid resistant structure.

Abstract: An apparatus for continuously producing concrete elements of varied cross-sections which comprises a mold formed from a cover and a shell supported on a tiltable frame. The frame is capable of orienting the mold vertically to allow the elements to be cast and then rotating to the horizontal to separate the shell from the casting and the cover. The apparatus further contains a heating tunnel to harden the casting and a carriage with a pushing member for separating the covers from the finished elements. A guide rail is provided to reinsert the covers into the mold.

Abstract: There are disclosed a method and an apparatus for producing an elongated concrete member of a trapezoid cross section for use as a cross tie, i.e., a prestressed concrete member for fixing rails of railroads.

Abstract: Production line apparatus for producing concrete floors. A table for supporting a concrete receiving mold is movably mounted atop a frame. Shaking means connected to and between the frame and the table shake the table settling the concrete within the mold. A pair of conveyors extend from the table to convey the mold from the table. The conveyors extend over the table but beneath the mold supporting surfaces provided on the table. The conveyors are lifted upward against the mold lifting the mold from the table. A mold turning over device is positioned at one end of the conveyors and is operable to receive the mold and to turn the mold upside-down repositioning the mold atop a second pair of conveyors. A hoist extends over the second pair of conveyors and is operable to lift the mold upwardly leaving the solidified concrete floor atop the second pair of conveyors. The mold is lifted and positioned between a pair of spaced apart return conveyors which extend back toward the shaker table.

Abstract: This invention relates to an apparatus for manufacturing concrete poles which has a train system running on a rail and stays on a required place to manufacture concrete poles, and is characterized in comprising at least a wire storage device, a caging stand, a mold traverser, a spinning machine and a device for carrying materials or products.

Abstract: An improved mass production assembly line is provided for fabricating building walls and similar structural members in molds by applying a hardenable polyester film to the cavity surfaces of mold halves, joining the mold halves and then introducing a mixture into the mold cavity to form a polyurethane foam.First and second rectangular fields of rollers, each mounted on a pedestal, are adapted to carry respective mating halves of each mold in a horizontal plane from a start end of the fields to the terminating end. The mold cavities face upwardly. The lower surface of each mold half has secured thereto elongated T-shaped bars. The bars are parallel with each other, and each bar is adapted to be carried by one line of rollers in a respective one of the fields. The parallel axes of the rollers are set to an exact height by means of a laser light source and photoresponsive means so that the upper edges of the rollers lie in the same horizontal plane.

Abstract: Method and system for transporting a filament-bundle from a spinning process to a successive drawing process in a factory of producing synthetic filament yarns. The filament bundle is transported by means of can-transportation system between two desired positions along a fixed carrying passage automatically. Full packaged cans filled with the filament bundle are transported along the fixed carrying passage by a carrying means from a receiving position below a delivery mechanism of a spinning equipment to a creeling passage adjacent to a creel of a drawing equipment, and empty cans are carried from the creeling passage to a reserving position along a fixed passage for the carrying means and thereafter carried to the above-mentioned receiving position one by one. The motion of the carrying means is controlled by a control means involving a control computer.

Abstract: An apparatus for producing precast concrete members which is efficient, mobile and cost saving, and comprises at least: a curing chamber having an opening in the portion which faces substantially a concrete placing section and having a plurality of support members to support form members leaving predetermined distance apart, a high temperature curing apparatus which is installed to said curing chamber, a concrete placing section in which necessary work for concrete placing is carried out, and a predetermined number of precast concrete form members which are diposed and moved horizontally and separately between said support members in said curing chamber and said concrete placing section by horizontal transfer means which comprise a plurality of rollers attached to said support members.