Abstract: The invention relates to a method for producing cast structures, and a set of connectors for connecting a pair of opposed, spaced apart boards which are useful in said method. A kit of elements useful as support frames in the production of the cast structures is also provided.

Abstract: Method for manufacturing a composite fiber component (1) the method comprising the following method steps: forming a moulding core (4) comprising a hollow profile (15) made of segments (16a . . . d) in order to establish an external geometry of the moulding core (4), wherein the segments (16a . . . d) of the moulding core (4) each extend in the direction of the longitudinal axis of the moulding core (4) and are each constructed so as to be pivotable about an axis running in the longitudinal direction of the moulding core (4), between a folded position (A), and an unfolded position (B) of the hollow profile (15) of the moulding core (4), wherein the segments (16a . . . d) are constructed so as to be coupled to one another via connections (18a . . . d, 19a . . .

Abstract: Method and apparatus for casting a concrete product with a substantially horizontal slipform casting process, wherein the concrete mix is fed at least in one step through a limited cross-section moving progressively along with the cast, whereby the height of the product forming part (1) is changed during the cast. The invention also comprises a product forming part (1) having an adjustable height.

Abstract: The present invention is directed to a tool and apparatus for forming a moldable material into a formed product having a desired shape, and optionally having a pouch for inserting pills, vitamins, and the like. The tool comprises a sleeve with a concentric insert, with a gap between the two for directing compressed air to eject the formed product from the tool. Exemplary apparatus using the tool and an associated method are also provided.

Abstract: Method for manufacturing a composite fibre component (1) the method comprising the following method steps: forming a moulding core (4) comprising a hollow profile (15) made of segments (16a . . . d) in order to establish an external geometry of the moulding core (4), wherein the segments (16a . . . d) of the moulding core (4) each extend in the direction of the longitudinal axis of the moulding core (4) and are each constructed so as to be pivotable about an axis running in the longitudinal direction of the moulding core (4), between a folded position (A). and an unfolded position (B) of the hollow profile (15) of the moulding core (4), wherein the segments (16a . . . d) are constructed so as to be coupled to one another via connections (18a . . . d, 19a . . .

Abstract: The invention concerns a device for making soft cheese or fresh paste cheese comprising at least a first set of perforated cheese-moulds and at least a second set of perforated cheese-moulds arranged in a chamber. The invention is characterized in that said first and second sets of cheese-moulds are designed to be fitted one into the other.

Abstract: A leak resistant hinge is provided for pivotally connecting adjacent concrete form sections to permit angular adjustment and movement of the form sections. The hinge includes first and second L-shaped hinge brackets which pivot about a pivot member to which both brackets are mounted. A gasket member is situated on the exterior of the first and second hinge brackets to seal the hinge while simultaneously permitting the first and second hinge brackets to pivot about the pivot member. Each hinge bracket is mountable to a respective adjacent concrete form section to permit adjacent form sections to pivot as needed to obtain the desired concrete form configuration.

Abstract: Apparatus including a frame, preferably circular in geometry and having a cental axis. At spaced apart locations about the circumference of the frame there are provided a plurality of links, each of which is pivotally mounted on a the frame and each of which carries a shoe having an arcuate surface. Each link includes at least one leg portion having an outboard end, The outboard ends of the leg portions of the plurality of links are interconnected with one another and with a drive mechansim whose operation serves to rotate the interconnected links in unison about their respective rotational mountings to the frame. As the links are rotated, their respective shoes are caused to move along an arcuate path which repositions the shoes generally radially inwardly or outwardly with respect to the central axis of the apparatus. To retain the circularity of the arcuate surfaces of the shoes as they are moved radially inwardly and outwardly, the shoes are interconnected by respective rigid rods.

Abstract: A band member forming apparatus including a rotary drum body having a rotary shaft, a drum driving device for rotating the rotary drum body about the rotary shaft, a plurality of moving members arranged in a peripheral direction of the rotary drum body, and radially and movably mounted to the rotary drum body, drum segments fixedly attached to the respective movable members for forming the outer periphery of the rotary drum, a continuous expansion and contraction device for simultaneously moving the movable members and drum segments in a radial directions of the rotary drum so as to expand and contract the diameter of the rotary drum, and a changer device for changing the continuous expansion and contraction device from an operation state to a suspension state and vice versa.

Abstract: The present invention provides for a device for adapting a formwork element, including a formwork lining and at least two formwork beams, to a given curvature of circular framework. A device includes a web engaging a space between two formwork beams and a cross-piece fixed to the web and equipped with two parallel, spaced plates which project laterally beyond the web and overlap the formwork beams in an installed position. Projecting portions are provided with mounting lugs in which a plurality of the lugs have at least one projecting portion and the lugs are arranged in two planes disposed at different spacings relative to the web.

Abstract: A traveling culvert/tunnel forming structure including upright waler assemblies positioned in transversely spaced relation on each side of said forming structure, the waler assemblies being adapted to receive forms on outside surfaces thereof. Horizontally adjusted header assemblies are supported at opposite ends by the spaced upright waler assemblies. Collapsible braces are disposed between the upright waler assemblies enabling the upright waler assemblies to move towards and away from one another. Multi purpose mounting brackets are mounted in rows on the upright waler assemblies which brackets are positioned inwardly from the waler assemblies. Rows of casters are swivelly mounted on the brackets inside of the rows of upright waler assemblies beneath the header assemblies. A pair of rows of leveling jacks are provided for elevating the forming structure and its casters out-of-contact with a ground supporting surface. The leveling jacks each have an upstanding jack shaft.

Abstract: An apparatus for forming a multisided upright concrete wall with inner and outer form set-ups including an arrangement for stripping said inner form set-up which has a multisided form wall from the cast concrete entirely which comprises at least one wedge means dividing at least one side of the form wall into two portions and wedged in between the two portions in a first direction during casting, and means for moving the wedge means in a second direction opposite to the first direction after casting and bringing the two portions to be nearer relative to one another, whereby the inner form set-up contracts and therefore entirely is spaced apart from the cast concrete.

Abstract: An injection mold utilizes a collapsible core portion which includes a core portion and a mold cavity portion. A core base is provided as part of the core portion. A first mold ring is positioned about the core base and longitudinally movable to define a first annular parting line between the core base and first mold ring. The first mold ring carries outer core members and controls their longitudinal positioning along the core base while permitting them to move radially inwardly and outwardly between molding and collapsed positions. A second mold ring is carried on the core and includes stripper ring means, the second mold ring being longitudinally movable to define a second annular parting line with the first mold ring. The second mold ring also forms a third, annular parting line with the mold cavity portion. Means are provided for relatively moving the core base, mold cavity portion, and first and second mold rings in a longitudinal direction relative to each other and the mold cavity portion.

Abstract: The invention relates to a matrix mold, in which at least one mold cavity is bounded by the head of an ejector at the lower opening of a cup, from which in the substantially truncated conical wall of this cup, widening upward, facing the interior, by at least two grooves in the lower part of the cup and by teeth disposed in the interior of these groove, which are radially slidable in a radial direction by an eccentric arrangement, and in which the diameter of the head is greater than the smallest diameter of the mold cavity.

Abstract: A mandrel for forming a bell shape and an annular groove in the bell in one end of a plastic pipe which comprises a shaped profile and a plurality of identically formed segments which are movable relative to the profile. The segments are radially urged in identical radial paths from an initial position which is inwardly of the bell shaped profile to an expanded position wherein the segments cooperate and interact to form an expanded ring of diameter greater than the pipe bell, thereby to impress a circular groove therein. An actuating shaft rotatively reciprocates a pair of actuating plates to radially reciprocate the plurality of segments simultaneously between their initial positions and expanded positions. The segments each include link pairs in pivoted engagement with the actuating plates and keys which respectively ride within guide slots to radially guide the segments between their initial positions and expanded positions upon rotative reciprocation of the actuating plates.

Abstract: Mold core for electrically melting metals for casting hollow ingots wherein the core wall is divided lengthwise on its periphery and is designed to be taken apart. The wall is preferably made of at least two partial cylinders between which stave-like keys are positioned which can be removed inwardly.

Abstract: A method and structure in which a Y- or V-shaped trench is dug in the ground for spatially receiving a smaller, complentarily shaped form that is supported in the trench by re-enforcing rods or the like that remain in the set-up concrete when the form is removed. The form has retractible side walls to facilitate removal from the finished trough and further includes removable gutter and drain means that are left as integral parts of the trough when the form is removed.

Abstract: A molding core, consisting of a plurality of flexible metal plates, for the manufacture of cylindrical hollow bodies or wound sections of fiber-reinforced synthetic resin. The metal plates are fixed to support members which in turn are connected to frames. To release the hollow bodies or wound sections, two diametrically opposed metal plates can be tilted inward and the frames can be moved toward one another by means of a common drive. It is possible to assemble a plurality of hollow bodies or wound sections to form vessels of large volume.

Abstract: In forming a concrete structure, reusable modular forms are joined together to provide one or a number of tunnel-like sections. The forms include inside form units which can be connected together and aligned so that they provide a continuous planar surface. Outside form walls and other form sections combine with the inside form units in completing the form required to pour in one monolitic pour one section of the concrete structure, consisting of load bearing concrete walls, slabs, and in the case of multistory structure, (wall) curbs. Removable central keys are a part of the top surface of each inside form unit and by removing the keys, the inside form units can be stripped from a poured section, moved and positioned for pouring another section. Turnbuckles attached to each inside form unit enable them to be secured in position to pour one section and, after the section has been poured, to strip the form unit so that it can be moved and reused.

Abstract: Apparatus for forming internally grooved bells on plastic tubes, having a mandrel comprising coaxial front and rear mandrel sections spaced apart to form a gap, angularly spaced supporting pins joining internal flanges on the elements across the gap, two sets of alternating core sections in the gap, one set having inwardly converging sides and the other having inwardly diverging sides, and an expanding mechanism comprising an actuator shaft rotatably supported in the mandrel, two rotary actuating plates mounted on the shaft on opposite sides of the core sections, and two guide plates mounted in the mandrel in fixed positions. The guide plates have a plurality of spaced radial guide slots, and the actuating plates have a plurality of inclined cam slots that extend radially outwardly across the guide slots. Follower pins on the core sections project into the cam slots and guide slots to be cammed and guided thereby as the actuating plates are rotated back and forth.

Abstract: Apparatus for forming internally grooved bells on plastic tubes having a mandrel comprising coaxial front and rear mandrel elements spaced apart to form a gap, angularly spaced supporting pins joining internal flanges on the elements across the gap, two sets of alternating core sections in the gap, one set having inwardly converging sides and the other having inwardly diverging sides and convex inner ends with concave central dwell areas, and an expanding spider supported in the gap on a shaft journaled in a rear end wall of the rear mandrel element. The spider has angularly spaced arms on which rollers are rotatably mounted to roll along the convex inner ends of the core sections of one set as the shaft is rotated back and forth by an actuator, and arcuate recesses are formed in the central portions of the ends to stabilize the rollers in the expanded position.

Abstract: Apparatus for casting concrete septic tanks, burial vaults and the like includes an inner form and an outer form. The inner form includes apparatus for positively locking the cover plate to the inner form as the walls thereof are expanded. The inner form, also, includes an improved mode for expanding same.

Abstract: A molding device comprising: an outer mold having a drive mechanism for moving side panels and end panels back and forth in the direction towards the center of the outer mold at the same time and a fastening means for automatically fastening the side panels and edge panels to a bottom panel; an inner mold having a drive mechanism for moving corner panels disposed between the side panels and end panels which are placed perpendicularly to each other, an actuating mechanism for moving the side panels and the end panels towards the center of the outer mold at the same time in cooperation with the back and forth movements of the corner panels, and a bottom panel having on its four peripheral sides plates which may be bent downwardly; molds for defining openings, which molds are adapted to be automatically fitted in or removed from the positions of openings to be defined in the inner and outer molds.