EP0565540B1 - Procede et dispositif pour la fabrication de pieces moulees a partir d'une matiere moulable - Google Patents

Procede et dispositif pour la fabrication de pieces moulees a partir d'une matiere moulable Download PDF

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Publication number
EP0565540B1
EP0565540B1 EP92901074A EP92901074A EP0565540B1 EP 0565540 B1 EP0565540 B1 EP 0565540B1 EP 92901074 A EP92901074 A EP 92901074A EP 92901074 A EP92901074 A EP 92901074A EP 0565540 B1 EP0565540 B1 EP 0565540B1
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EP
European Patent Office
Prior art keywords
mould
moulding
moulded
means according
parts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP92901074A
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German (de)
English (en)
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EP0565540A1 (fr
Inventor
Peter Philipp
Richard Kraiss
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Georg Prinzing & Co KG Betonformen- und Maschinenfabrik GmbH
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Georg Prinzing & Co KG Betonformen- und Maschinenfabrik GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
    • B28B7/168—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes for holders or similar hollow articles, e.g. vaults, sewer pits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/76—Moulds
    • B28B21/82—Moulds built-up from several parts; Multiple moulds; Moulds with adjustable parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/86—Cores
    • B28B21/88—Cores adjustable, collapsible or expansible
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/28—Cores; Mandrels
    • B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding

Definitions

  • the invention relates to a method for producing molded parts from molding compound of the type referred to in the preamble of claim 1. Furthermore, the invention relates to a molding device for producing molded parts for carrying out such a method.
  • the invention has for its object to find a method for producing molded parts from molding material of the type mentioned in the preamble of claim 1, which eliminates the disadvantages mentioned and remedies the problems described, in particular simplifies and cheaper the manufacturing process of such molded parts and the Creates the conditions for an automatic, uninterrupted manufacturing process.
  • the integrally molded supports already ensure greater slip resistance, which is also achieved without additional procedural measures during the manufacturing process.
  • the molded part is made of concrete, for example, there is a relatively rough concrete surface in the area of the supports, which increases slip resistance.
  • the integrated supports also due to the increased slip resistance, increase the overall feeling of safety of the people who have to walk on a shaft formed from such shaft elements. Any repair work in the shaft can thus also be carried out more easily and safely, whereby this is also carried out more readily. Since the process enables the production of finished molded parts with all elements in one piece and in one process, a higher tightness of the molded parts to be produced can also be guaranteed.
  • advantages thus a considerable cost reduction, time saving in the production, a large creative freedom achieved for the design in terms of shape and dimensions of the Molded parts, furthermore a higher stability and security as well as great durability and ease of repair and maintenance.
  • the supports are formed in the form of depressions where there are inside and / or outside wall thickenings or an inside partition wall, which are molded in one piece with the molded part, a weakening of the molded part to be produced where the supports in the form of recesses are incorporated, avoided.
  • the shaping of the supports does not lead to a possible weakening of the cross-section and a reduction in the strength and durability of the concrete part.
  • this inside wall thickening can also be used for other purposes, e.g. B. to design a handrail on both sides of the respective built-in support.
  • Concrete is particularly suitable as a molding compound, and here any type of concrete, including polymer concrete, sulfur concrete or the like. It is also advantageous if the concrete used has a water / cement factor of 0.4 or less. It is particularly advantageous if the molding compound is compressed for molding, in particular by shaking or the like. Vibrations. It is also advantageous if the shaped concrete part provided with the molded-in supports is removed from the mold immediately after shaping, in particular before the binder of the molding compound has set. The production takes place fully automatically. The concrete part, which was demolded after compacting, is then carried away and carried on, sitting on the lower sleeve.
  • the invention further relates to a molding device of the type mentioned in the preamble of claim 16, which is particularly suitable for carrying out the method according to claim 1 and the following.
  • Shaping devices are known (DE-PS 31 10 185), which have already been explained at the beginning and, at the same time, enable the direct introduction of separate crampons during the shaping process during the production of the shaped part.
  • the mandrel part is part of an installation device which has a receptacle with a support surface with centering for each crampon to be concreted and has a clamping device assigned to the receptacle and arranged on the mandrel part, by means of which the crampon positioned in the receptacle is held in this form.
  • the clamping device has on the wall section of the mold core part e.g. a resilient element, which serves as a sealing element and / or compensating element and / or hold-down device.
  • a molding device with a mold core part which can be moved by means of its own drive into its active closed position, in which it completes the shaping contour, and back into an open position, in which it is possible to demould the molded part, is obviously not suitable for producing such molded parts , in which the at least one support as a one-piece, material-uniform component of the molded part is shaped at the same time as it is molded from its molding compound.
  • the invention has for its object to design a molding device of the type mentioned in the preamble of claim 16 so that this at the same time the formation of the at least one support as an integral part of the in the manufacture of moldings of the type Molded part made from its molding compound, and this in a simple, inexpensive and rational procedure.
  • a molding device of the type defined in the preamble of claim 16 according to the invention by the features in the characterizing part of claim 16.
  • Such a molding device is simple, reliable and inexpensive. It makes it possible during the normal shaping process of a molded part by simultaneously shaking and at the same time without interrupting the automatic process from the inside to form at least one support in the form of a recess as an integral, material-uniform component of the molded part from its molding compound.
  • the shaped body provided for the molding which can be designed as a recess and / or as a hollow shape for the formation of a recess or a projection and which accomplishes this molding, is inexpensive, reliable and simple in construction.
  • corresponding molded articles can also be placed outside the outer molded jacket, which then has corresponding openings in which such, e.g. about slide-like, shaped bodies are stored and guided and are movable back and forth.
  • the shaped bodies e.g. can contain slide-like shaping cores, ventilation holes or openings which are controlled by suitable valves and which prevent the possible formation of negative pressure during removal from the mold by pulling out the moldings.
  • the form has at least one vibrator or the like vibrator, by means of which vibrating or the like vibration takes place with compression of the concrete mass.
  • the concrete mass is thus compacted by shaking.
  • the formwork is removed immediately after shaping by compression.
  • H. the demolding of the molded part. This is preferably done before the binder contained in the molding compound has set.
  • the molding device has at least one central vibrator, which is contained in the mold core. A particularly good and uniform compression of the molding compound is achieved by such a central vibrating and thereby a structure that is as homogeneous as possible is achieved.
  • a method and a molding device for producing molded parts from concrete are known per se (DE-OS 34 00 349), which provide that one on the inner surface the molded part, at least in the area of a surface section, elevations and / or depressions and / or wall openings or the like. Can form recesses by means of correspondingly shaped counterparts on the mandrel.
  • the core segment can have depressions and / or elevations on at least one surface section, by means of which corresponding elevations and / or depressions can be formed at corresponding locations on the molded part.
  • the mandrel can have openings in the area of the parts movable relative thereto, in which the parts are stored and can be moved back and forth at least essentially in a sealed manner, which, as slide-like shaping cores, for shaping depressions and / or openings or the like.
  • Recesses are formed in the molded part. However, this method and this device have the purpose of producing such molded parts, for example pipes, or the like in the form of the said elevations and / or depressions and / or wall openings. Recesses contain a river bed-like river bed, which lowers the flow rate of the water flowing through and the deposition of humus and thus the settlement of mosses, plants or the like.
  • the molding device 10 shown in FIG. 1 as the first exemplary embodiment is part of a machine (not shown further here). It is used to shape molded parts 11 from molding compound, in particular shaft elements 12 made of concrete, ceramic compounds, plastic or the like, e.g. Manhole rings, manhole necks, pipes or the like. Details of such shaping devices 10 and shaped parts 11 are e.g. from DE-PS 31 10 185, to which reference is made here to avoid unnecessary repetitions.
  • the molded parts 11 are rotationally symmetrical here.
  • the molded parts 11 are out of round, e.g. oval, elliptical, ovoid or otherwise out of round. Instead, the molded parts 11 can also be polygonal, e.g. square, be made.
  • an essentially cylindrical molded part 11, in particular shaft element 12, is shown for clarification.
  • the molding device 10 has, for example, an approximately hat-shaped mandrel 15 which is hollow on the inside and can be exchangeably attached to a central vibrator (not shown). The attachment takes place, for example, in the area of a base plate 16.
  • the mold core 15 is round, for example. It has a circular cover 18 and an at least predominantly cylindrical one bottom core wall 19 leading to the base plate 16.
  • the molding device 10 also includes an outer molding jacket 20, which can be exchanged in the same way as the molding core 15, which here likewise has an essentially cylindrical shape and has an upper flange 21.
  • the mold jacket 20 surrounds the mold core 15 at a radial distance and is aligned coaxially therewith.
  • the mold space 14 formed between the mold jacket 20 and the mold core 15 is closed at the lower end by a lower sleeve 24, which serves to shape the lower fold of the molded part 11.
  • the lower sleeve 24 closes the molding space 14 tightly at the lower end. It can be accessed later when the finished molded part 11, which is seated thereon, is removed.
  • the lower sleeve 24 is centered on the mandrel 15, on which it rests by means of supporting parts 17 fixed thereon. The lower sleeve 24 is inserted with a precise fit into the interior of the shaped jacket 20.
  • the molding device 10 also includes, as usual, an upper sleeve, not visible here, which serves to shape the upper fold of the molded part 11 and is shut down and pressed in on the machine side for this molding when the molding space 14 is filled with molding compound, e.g. has been filled with concrete, which is compacted by switching on the central vibrator and at the same time constantly refilling the molding compound, e.g. of the concrete, from above.
  • an upper sleeve not visible here, which serves to shape the upper fold of the molded part 11 and is shut down and pressed in on the machine side for this molding when the molding space 14 is filled with molding compound, e.g. has been filled with concrete, which is compacted by switching on the central vibrator and at the same time constantly refilling the molding compound, e.g. of the concrete, from above.
  • the molding device 10 is designed so that by means of this during the manufacture of the molded part 11 from the inside at least one foot-accessible support, in the first embodiment four supports 25 to 28, can be incorporated, which as a one-piece material component of the molded part 11 Shaping from its molding compound as depressions are also formed.
  • the supports 25 to 28 are molded into the molding compound. Since they then reduce the cross section, they can be molded into an inside wall thickening 29, for example in the form of a web which runs essentially along an inner surface line of the molded part 11.
  • the supports 25 to 28 are formed from recesses 30 to 33 formed in the inside wall thickening 29 or respectively between the recesses and inwardly projecting projections.
  • a protruding and approximately horizontally extending footbridge 35 to 38 which adjoins the inner surface 34 of the shaft element 12, in particular that of the wall thickening 29, is formed, which has, for example, a substantially flat upper surface, which has a Structure can be provided.
  • each footbridge 35 to 38 can be grasped by hand when climbing the ladder thus formed, and thus serves as a stop.
  • each recess 30 to 33 has approximately a rectangular shape with a flat ceiling 39 and a flat floor 40, as well as a rear wall 41 running approximately at right angles.
  • the footbridge 35 located in front protrudes above the approximately horizontal and flat floor 40 and can thus be well grasped by hand.
  • At least one bottom-side and downwardly opening passage 42 is formed in the bottom 40.
  • the supports 26 to 28 arranged above it are also formed in the form of the depressions 31 to 33 with the foot webs 36 to 38.
  • the supports 25 to 28, in particular depressions 30 to 33 can be arranged one below the other in a single-row sequence. Instead, they can also be arranged in a two-row sequence with a respective lateral offset and height offset from one another.
  • Each recess 30 to 33 is formed on the mandrel 15 by means of an associated and correspondingly shaped counterpart.
  • the mandrel 15 can also have adjacent surface parts, by means of which the inside of the longitudinal region of the inside wall thickening 29, e.g. the ridge is formed on the areas adjacent to the depressions 30 to 33.
  • the mandrel 15 has, for each support 25 to 28, that is to say each depression 30 to 33, with a foot bridge 35 to 38, a mandrel part 45 to 48 which can be moved by itself and with respect to the remaining part of the mandrel 15, which is in each case provided with a shaped body 55 to 58 and which is always referred to below as "recesses", irrespective of whether it is designed as an inner recess or a protruding shaped body.
  • Each recess 55 to 58 has a shape corresponding to the depression 30 to 33 to be formed and is assigned to this depression 30 to 33. In the first exemplary embodiment in FIG.
  • each mold core part 45 to 48 can be moved in the horizontal direction according to arrow 44 with respect to the remaining part of the mold core 15 into the release position shown in FIG. 1 toward the mold core interior. In this release position, the molded part 11 can be removed from the mold. Furthermore, each mold core part 45 to 48 can be moved in the opposite direction into the mold space 14 and thus into its shaping position, in the recesses 55 to 58 of which an associated recess 30 to 33 can be formed in the molded part 11, in particular the shaft element 12.
  • each recess core 55 to 58 viewed in the horizontal section (not shown here), is approximately box-shaped.
  • each recess 55 to 58 has approximately a square shape. He is e.g. roughly rectangular, square or the like ..
  • each recess core 55 to 58 can be moved individually and individually on the mold core 15 between the shown release position and the shaping position, e.g. is slidable, held and guided.
  • each individual notch 55 to 58 has its own drive device 59 to 62, which can effect this movement between the release position and the shaping position.
  • the drive device 59 to 62 is fixed in the interior of the mandrel 15 and is e.g. each from a pressure medium-operated working cylinder, which also serves as a horizontal guide element for the mandrel part 45 to 48, on which it engages.
  • Each recess 55 to 58 here does not consist of one part, but it is composed of two core parts, namely an upper, box part 65 to 68, which is open at the bottom, and one which is movable in an approximately vertical direction relative to the box part 65 to 68, for example displaceable , guided and actuatable additional part 75 to 78, which forms the box bottom of the recess core 55 to 58 and is arranged inside the box part 65 to 68.
  • Each additional part 75 to 78 is relative to the associated box part 65 to 68 for shaping into a mold position not shown and before the movement of the mold core parts 45 to 48 with box parts 65 to 68 into the release position shown in FIG. 1 into its demolding position shown in FIG. 1 movable.
  • each supplementary part 75 to 78 moves relative to the box part 65 to 68 in an approximately vertical direction according to arrow 43.
  • each supplementary part 75 to 78 has its own drive 69 to 72, which, for example, also consists of a pressure-operated working cylinder and which enables a displacement of each supplementary part 75 to 78 from the demolding position shown down to the shape position not shown and back.
  • Each supplementary part 75 to 78 is guided on the box part 65 to 68 and / or on the mandrel part 45 to 48.
  • Each supplementary part 75 to 78 has a groove 85 to 88 which is open towards the bottom and by means of which the respectively assigned high footbridge 35 to 38 of the support 25 to 28, in particular depression 30 to 33, of the molded part 11 is formed. It is evident that the base 40 and, furthermore, by means of the groove 85 to 88 of the supplementary part 75 to 78, the foot bridge 35 to 38 can be formed by means of the respective supplementary part 75 to 78.
  • Each supplementary part 75 to 78 has at least one in the first embodiment in Fig. 1 e.g. protrusion 95 to 98 projecting vertically downwards, by means of which in the bottom 40 of the respective recess 30 to 33 the local downwardly open passage 42 can be formed.
  • the at least one protrusion 95 to 98 is e.g. from a cylindrical bolt of sufficient length.
  • each mold core part 45 to 48 forms a holder for the recess core 55 to 58 formed thereon, the associated drive device 59 to 62 acting on this holder for horizontal drive actuation in the direction of arrow 44.
  • the recess cores 55 to 58 in particular the box parts 65 to 68, can be moved either in the radial direction or instead along a secant, in any case in the horizontal direction, between the release position shown in FIG. 1 and the shaping position, not shown, and guided, the horizontal guidance here can be carried out solely by the drive device 59 to 62, in particular the working cylinder.
  • the supplementary parts 75 to 78 can be moved and guided up and down individually in the vertical direction according to arrow 43 between the demolding position shown and the shape position not shown, by means of the respectively assigned drive 69 to 72.
  • a part 79 which is only designated for the supplementary part 75 and adjoins the downwardly open groove 85 and on which the associated drive 69 engages, engages through a window-shaped recess 49, which is shown in the form of the core part 45, with movement play.
  • a molded part 11, in particular shaft element 12, is to be formed with supports 25 to 28 in the form of depressions 30 to 33, the individual molded core parts 45 to 48 are moved to the left into their shaping position by actuating the associated drive devices 59 to 62 in FIG. 1 .
  • the supplementary parts 75 to 78 can be moved downward by actuating their drives 69 to 72 relative to the box parts 65 to 68 in FIG. 1, this downward movement being limited, for example, by the fact that the part 79 designated in the supplementary part 75 strikes the lower edge of the recess 49 of the mold core part 45.
  • the mold core parts 45 to 48 can be such that they form surface parts by means of which inner surface areas of the molded part 11, in particular shaft element 12, can be shaped, for example those surface parts which are adjacent to the supports 25 to 28, in particular depressions 30 to 33 .
  • these supports 25 to 28 are worked into the inside wall thickening 29 of the molded part 11. This thickening of the wall 29 has, as an approximately longitudinally continuous web, inner surfaces on both sides, which can be formed on the mold core 15 by approximately vertical surface parts, not shown here.
  • the individual supplementary parts 75 to 78 are first moved upwards by means of their drives 69 to 72 in FIG. 1 into the demolding position shown in FIG. 1 and thereby into the interior of the box parts 65 to 68 postponed.
  • This displacement movement can be limited, for example, by the additional parts 75 to 78 striking the inside on the upper wall of the box part 65 to 68, which forms the ceiling 39 in each depression 30 to 33.
  • the projections 95 to 98 disengage from the molded part 11, the lower ends of the projections 95 to 98 being at least a small distance from the approximately flat top of the respective upstanding foot bridge 35 to 38.
  • recesses 55 to 58 of this type can also be used to form recesses 30 to 33 in which the bottom 40 - 1, instead of horizontally according to FIG. 1 - starting from the foot bridge 35 to 38 in FIG. 1 and running downwards in the process.
  • protrusions 95 to 98 other correspondingly shaped passages 42 can of course also be produced.
  • the at least one support 25 to 28 can also be provided with a reinforcement 99, which e.g. Part of a reinforcement part 100, e.g. a reinforcement cage, reinforcement ring or the like, which has a special shape adapted to it in the area of the support.
  • a reinforcement 99 which e.g. Part of a reinforcement part 100, e.g. a reinforcement cage, reinforcement ring or the like, which has a special shape adapted to it in the area of the support.
  • a plurality of recess cores 155 to 158 are combined to form a group and held on an area part 150 of the molding core 115 which is common to all.
  • This surface part 150 of the mandrel 115 common to all the recess cores 155 to 158 is horizontal in the horizontal direction relative to the mandrel 115 by means of a drive 159 common to all the recess cores 155 to 158, in particular a pressure cylinder operated working cylinder, between the release position shown in FIG.
  • This surface part 150 which can be displaced horizontally back and forth in the direction of arrow 144 by means of the drive device 159, can be approximately U-shaped when viewed in horizontal cross-section, the two surface parts forming the U-legs then having inner surface regions of the molded part, in particular the inside wall thickening 29, can shape. It can be seen that the surface part 150 is thus designed as a movable wall part of the mandrel 115, which is the carrier of the recess cores 155 to 158.
  • Another difference from the first exemplary embodiment in the second exemplary embodiment according to FIG. 2 is that a number of additional parts 75 to 78 are combined into groups and by means of a single drive 169 which is common to all in the vertical direction according to the arrow 143 are movable between the demolding position shown in FIG. 2 and the mold position not shown.
  • all four supplementary parts 175 to 178 are combined into a single group which can be actuated together by means of the drive 169.
  • An actuating device 113 which can consist of a vertical holder to which all supplementary parts 175 to 178 are fastened, is used here for the simultaneous actuation of all supplementary parts 175 to 178, for example by means of part 179 shown for supplementary part 175.
  • all of the recess cores 155 to 158 can be arranged in a single sequence with one another.
  • two recess cores 55 and 57 can also be combined to form a group which is actuated together horizontally and vertically, which then serve to shape the depressions 30 and 32, respectively.
  • the two other recess cores 56 and 58 can also be combined into a group of their own, which is also operated as a group horizontally and vertically and which serve to shape the depressions 31 and 33, respectively.
  • Both groups of recess cores can be arranged to form a two-row sequence with a lateral offset and a vertical offset from one another. It is understood that each group of recess cores in the described embodiment not shown radially or in the direction of a secant of the mandrel 15; 115 can be aligned.
  • the recess cores 255 to 258 are likewise combined to form a group which can be moved jointly between the release position shown and the shaping position not shown.
  • the recess cores 255 to 258 each consist of a single box-shaped part, which is closed on all sides, for example. These recess cores 255 to 258 can be moved and guided here along an arc path, which is illustrated by the arrow 252, between the release position shown and the shaping position, not shown.
  • the recess cores 255 to 258, viewed in vertical cross section, are designed here as approximately arc-shaped boxes, for example in the form of sections of a circular arc.
  • the recess cores 255 to 258 are each pivotably mounted on the mold core 215 on the core wall 219 about an approximately horizontal axis 253.
  • the recess cores 255 to 258 can be pivoted between the release position and the shaping position via a common actuating device 251, which can be acted upon by a drive 259 that is common to all.
  • the common actuating device 251 has an actuating rod 254, which is oriented approximately vertically here. All recess cores 255 to 258 are pivotably articulated on the actuating rod 254 at a distance from the respective horizontal axis 253 via an arm 263, which is fixed thereon and extends radially to the horizontal axis 253.
  • the actuating rod 254 thus connects all the arms 263 located one above the other in an articulated manner.
  • the drive 259 which is common to all, in particular a working fluid-operated cylinder, articulates with the end of its piston rod 264 on an arm 273, which extends, for example, in the lowest recess 255 in FIG. 3, as an extension of the arm 263 runs and can be firmly connected or in one piece.
  • the mold core 250 contains in its core wall 219 in the region of each recess core 255 to 258 recesses 274 which correspond to the shape and size of the respective recess core 255 to 258.
  • the recess cores 255 to 258 can thus be moved through the latter corresponding recesses 274 in the wall 219 of the mold core 215 between the release position according to FIG.
  • the shaping device 210 thus makes it possible to incorporate supports in the form of depressions 230 to 233 into the wall of the molded part 211 and in such a way that the respective depression 230 to 233 within this wall extends in the direction from its inner surface 234 whose outer surface 209 extends outward, for example in an approximately radial direction.
  • This shaping device 210 supports as inner recesses 230 to 233 are integrally molded into the wall of the shaped part 211 when it is shaped.
  • the fact that supports in the form of incorporated recesses 230 to 233 are introduced into the wall of the molded part 211 reduces the wall cross section of the molded part 211 in the region of these recesses 230 to 233.
  • the molded part 211 has an outer, outwardly directed and, for example, essentially longitudinal wall thickening 208 on the area on which the recesses 230 to 233 are formed, which is obtained during the shaping of the molded part 211 is formed at the same time, by appropriate design of the shaped jacket 220.
  • an outer, outwardly directed and e.g. are formed essentially longitudinally through wall thickening 308, this taking place on the wall area of the molded part 311, in which supports in the form of recesses 330 to 333 are formed in the wall of the molded part 311 during manufacture.
  • these depressions 330 to 333 viewed in the vertical cross section, have approximately the shape of a square, specifically a rhombus here.
  • the shape of the rhombus means that the base 340, which is shown in the depression 330, starting from the respective molded-in foot bridge 335 to 338, slopes outwards in the radial direction and downwards.
  • the depressions 330 to 333 have e.g. Rectangular shape, here too, the depressions 330 to 333 can be arranged one below the other in a single-row sequence or instead can be arranged in a two-row sequence with a respective lateral offset and height offset from one another.
  • the recess cores 355 to 358 used to form the depressions 330 to 333 are here also formed as boxes which are approximately rectangular in horizontal cross section and which are approximately square in shape and are approximately rhombic in the vertical section shown. All recess cores 355 to 358 are combined into a group and attached to an all common holder 380, which is part of the actuator 351.
  • the holder 380 extends substantially vertically. This is attacked by a drive 359, which consists of a pressure-operated working cylinder, which is located inside the Mold core 315 is arranged obliquely.
  • the piston rod 364 is fixed here with both ends in the mandrel 315, while the cylinder housing of the drive 359 can be displaced translationally in the oblique direction according to arrow 244 on the piston rod 364.
  • the housing of the drive 359 is firmly connected to the holder 380.
  • An oblique drive actuation by means of the drive 359 in the direction of the arrow 244 therefore means that the rhombic recess cores 355 to 358 are translationally moved back and forth between the illustrated release position and the shaping position, not shown can be moved here, the recess cores 355 to 358, as in the third exemplary embodiment in FIG. 3, can also have correspondingly shaped and dimensioned recesses 374 in the wall 319 of the mold core 315.
  • the recess cores 355 to 358 are thus moved and guided on the mold core 315 along an inclined path between the illustrated release position and the shaping position, the guidance being taken over by the drive 359.
  • the depressions 330 to 333 which can be formed into the wall of the molded part 311 by means of the rhombic recess cores 355 to 358 are, as in the third exemplary embodiment according to FIG. 3, such that each recess 330 to 333 extends in the direction from the inner surface 334 of the molded part 311 whose outer surface extends, for example in a radial direction.
  • an inner partition 407 is formed in one piece on the molded part 411, which runs along a secant and / or approximately parallel to a vertical diametral plane of the molded part 411 and forms a part integral with the molded part 411, that runs at a distance from the part of the inner surface 434 of the molded part 411 that is covered by it.
  • the molded part 411 has a cylindrical shape with a constant cross-section all around.
  • the supports 425 to 428 are integrally molded in this intermediate wall 407 when the molded part 411 is produced.
  • the supports 425 to 428 can also be formed on the intermediate wall 407.
  • These supports 425 to 428 are formed here in that recesses 430 to 433, in particular window-shaped openings, are formed in the intermediate wall 407 in a single-row or double-row arrangement.
  • These recesses 430 to 433 are, viewed in the horizontal and vertical cross section, quadrangular, for example approximately rectangular.
  • rectangular, box-like recess cores 455 to 458 are also provided, viewed in horizontal and vertical cross section, which are attached to a holder 480 in a common group.
  • a single drive 459 which acts on the holder 380, serves for the horizontal actuation between the shown release position and the not shown shaping position in the direction of arrow 444.
  • the piston rod 464 of the drive 459 is fixed with both ends in the mandrel 415 and the cylinder of the drive 459 can be displaced horizontally in the arrow direction 444 relative to the piston rod 464.
  • the mandrel 415 carries surface parts 405 and 406 which serve to shape the intermediate wall 407. These surface parts 405, 406 thus form inner surface regions of the intermediate wall 407.
  • both surface parts 405 and 406 of the mandrel 415 are an integral part of the mandrel 415. They are designed as mutually parallel surface parts 405, 406, which are attached to the cylindrical core wall 419 with both ends, the one between the two Surface parts 405 and 406 formed intermediate space, which forms the mold space for the intermediate wall 407, is open at the top in FIG. 5.
  • the inner surface portion 406 contains the recess cores 455 to 458, approximately window-shaped recesses 474, through which the recess cores 455 to 458 in the direction through upon actuation of the drive 459 and horizontal displacement of the recess cores 455 to 458 from the release position according to FIG.
  • the holder 480 is therefore only the carrier of the recess cores 455 to 458 projecting therefrom, without the holder 480 participating in the shaping of other surface areas of the molded part 411.
  • one surface part 406 is firmly connected to the holder 480. It forms a surface part which is movable relative to the remaining part of the mandrel 415 and which forms the inner surface regions of the intermediate wall 407.
  • This surface part thus forms a horizontally movable mold core segment which carries the recess cores 455 to 458 and is horizontally movable with them between the release position according to FIG. 6 and the shaping position, not shown.
  • the movable surface part 406 can thus be regarded as a movable wall section of the mold core 415.
  • the seventh exemplary embodiment shown in FIG. 7 is similar to the third exemplary embodiment according to FIG. 3 as far as the arrangement of the recess cores 555 to 558 located in the interior of the mandrel 515 is concerned.
  • the molded part 511 according to the seventh exemplary embodiment in FIG. 7 also has an outer, outwardly directed and, for example, essentially longitudinal wall thickening 508, which is also formed during the production of the molded part 511.
  • recesses 581 to 583 which are open from the outside to the outside are molded into this outer wall thickening 508, which are each provided at the level between two vertically successive recesses 530 to 533 formed in the wall of the molded part 511.
  • outer recesses 581 to 583 are approximately triangular in cross section here, which results in a cross section of the wall of the molded part 511 that is as uniform as possible in this area.
  • the molded jacket 520 has wall openings 591 to 593, the outer jacket cores 594 being assigned to the molded jacket 520 at the height of these wall openings 591 to 593, which in the horizontal direction by means of a drive 590, for example a pressure medium-operated working cylinder can be moved externally inwards through the wall openings 591 to 593 into the shaping position or in opposite directions back into the release position.
  • the drive 590 can also serve as a horizontal guide for the recess cores 594, which are attached to a holder 589 in a group.
  • the outer recess cores 594 can each be actuated individually by means of a separate, assigned drive.
  • Corresponding surface parts 622 and 623 which are fixedly attached to the mold core 615, serve to shape these outer surfaces 615 facing front surface of the inside wall thickening 629 is formed here by the surface part 650, which can be moved in the horizontal direction according to arrow 644 by means of the drive 659 into the shaping position shown in FIG. 8 or in the opposite direction into the interior of the mandrel 615 into the release position, for example Similar to the second embodiment according to FIG. 2. It can be seen that recessed cores 655 and 656 are attached to the surface part 650, which are placed, for example, vertically and laterally offset from one another and allow the formation of depressions 630, 631 arranged in a two-row sequence and others .
  • recess cores 655 of one group and recess cores 656 of the other group can be combined to form a common group attached to surface part 650.
  • the narrow surface of the wall parts 602, 603 and 604, which points radially inwards, and the surface area between the individual depressions 630, 631 and others are thus formed by the surface part 650.
  • an inside wall thickening 729 is formed on the molded part 711, into which depressions 730 are introduced in the manner described, for example in a single-row sequence.
  • the wall parts 702 and 704 on both sides are also formed here by surface parts 722 and 723 which are fastened to the mold core 715. These surface parts 722 and 723 are designed in cross-section so that, in the case of the respective wall thickening 729, in particular the web designed in this way, hand-graspable gripping parts are formed on the outside of the wall parts 702, 704, which, for example, form transversely projecting and preferably longitudinally running handrail strips 701 are formed.
  • the surface of the inside wall thickening 729 facing the inside of the mandrel 715 can, as in the eighth embodiment according to FIG. B. are formed by a surface part 750 on which the drive 759 acts analogously to FIG. 8.
  • the respective molded part thus has one-piece elements. 1 and 2 of the approximately web-shaped, inside wall thickening 29 and 129.
  • the lower sleeve 24 or 124 is adapted to this inside wall thickening 29 or 129 in that the lower sleeve 24 or 124 in the region of the wall thickening 29 or 129 has a correspondingly shaped and adapted support part 84 or 184 which supports the wall thickening 29 or 129 and is integral with the lower sleeve 24 or 124.
  • the lower sleeve is, as is not shown further, for supporting the wall parts 602 to 604 or 702, 704 with appropriately shaped and dimensioned support parts.
  • the molded part 211, 311, 511 is provided on the outside with an outer wall thickening 208, 308, 508, the lower sleeve 224 or 324 or 524 is in the region of this outer wall thickening a corresponding support part 284 or 384 or 584.
  • the lower sleeve 424 is provided in the region of this intermediate wall 407 with a supporting part 484, which here consists of a correspondingly dimensioned and arranged connecting web.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Claims (44)

  1. Procédé de fabrication de pièces moulées à partir d'une matière moulable, d'éléments de puits notamment en béton, béton au polymère, au soufre, ou autres masses de béton, en matières céramiques, matière plastique, ou autres, tels qu'anneaux de cuvelage, bouches de puits, tuyaux ou autres, selon lequel la matière à mouler, chargée dans un moule formé d'un noyau et d'un châssis, fermé côté extrême, est mise en forme, puis la pièce est démoulée par un mouvement relatif par rapport au noyau et/ou au châssis, un montant praticable, au moins, ou plusieurs montants, en tant que partie intégrante de la pièce moulée, étant conformés pendant la fabrication à partir de l'intérieur, lors du façonnage de la pièce précitée dans sa matière moulable, caractérisé en ce que le montant respectif (25 à 28; 125 à 128; 225 à 228; 325 à 328; 425 à 428; 530 à 533; 630, 631, 730) est formé d'une seule pièce dans la zone d'un épaississement de paroi côté interne et/ou externe (29;, 129; 629; 729; 208; 308; 508) de la pièce moulée (11, 111; 211; 311; 411; 511; 611; 711), sous forme de cavité (30 à 33; 130 à 133; 630, 631; 730) à l'intérieur de l'épaississement de paroi (29; 129; 629; 729), ou en ce qu'une paroi intermédiaire (407) côté interne est formée d'une seule pièce sur la pièce moulée (411), le montant respectif (425 à 428) étant formé d'une seule pièce sur ou dans la paroi intermédiaire (407), sous forme de cavité (430 à 433).
  2. Procédé suivant la revendication 1, caractérisé en ce que la matière moulable est serrée pour le moulage, par secouage, notamment, ou autres vibrations.
  3. Procédé suivant l'une des revendications 1 ou 2, caractérisé en ce que la pièce moulée (11; 111; 211; 311; 411; 511; 611; 711), munie des montants conformés (25 à 28; 125 à 128; 225 à 228; 325 à 328; 425 à 428; 530 à 533; 630, 631; 730), est décoffrée du moule immédiatement après le façonnage, avant la prise du liant de la matière moulable.
  4. Procédé suivant l'une quelconque des revendications 1 à 3, caractérisé par la conformation, en tant qu'épaississement de paroi côté interne (29; 129; 629; 729), d'une traverse essentiellement longitudinale, située par exemple le long d'une génératrice interne de la pièce moulée (11, 111, 611, 711), à peu près en forme d'une barre longitudinale, par exemple.
  5. Procédé suivant l'une quelconque des revendications 1 à 4, caractérisé en ce que, sur l'élargissement respectif de paroi côté interne (29; 129; 629; 729), sur la traverse respective notamment, des éléments de préhension saisissables à la main, tels que mains courantes (701) en saillie transversale et de préférence continues en longueur, sont conformés à l'intérieur de cette traverse ou sur son côté externe.
  6. Procédé suivant l'une quelconque des revendications 1 à 3, caractérisé en ce que la paroi intermédiaire (407) est conformée sous forme de pièce monobloc, située le long d'une sécante et/ou à peu près à la parallèle d'un plan diamétral vertical de la pièce moulée (411), cette pièce se situant à distance de la partie, qu'elle couvre, de la surface interne (434) de la pièce moulée (411), et en ce que les cavités (430 à 433), des ouvertures notamment, des fenêtres par exemple, sont formées en un agencement à une ou deux volées dans la paroi intermédiaire (407), pour former un ou plusieurs montants (425 à 428).
  7. Procédé suivant l'une quelconque des revendications 1 à 6, caractérisé par le formage, vu en coupe transversale verticale, de cavités à peu près quadrangulaires, rectangulaires, carrées, rhombiques, par exemple, ou autres (30 à 33, 130 à 133, 330 à 333; 430 à 433; 630, 631; 730).
  8. Procédé suivant l'une quelconque des revendications 1 à 7, caractérisé en ce qu'un barreau (35 à 38, 135 à 138; 235 à 238; 355 à 338), également saisissable à la main, limitrophe à la face interne de l'épaississement de paroi côté interne (29; 129; 629; 729), ou de la paroi intermédiaire (407), ou de la paroi de la pièce moulée (211; 311; 511), dressé vers le haut et à peu près horizontal, est formé sur les cavités (30 à 33; 130 à 133; 230 à 233; 330 à 333; 530 à 533; 630, 631; 730).
  9. Procédé suivant la revendication 8, caractérisé en ce qu'un côté supérieur essentiellement plan, doté d'une structure de préférence, est conformé sur le barreau (35 à 38; 135 à 138; 235 à 238; 335 à 338).
  10. Procédé suivant l'une quelconque des revendications 1 à 9, caractérisé par la conformation, vu en coupe transversale horizontale et/ou verticale, de cavités à peu près en forme de caissons (30 à 33; 130 à 133; 430 à 433; 630, 631; 730), le fond (40, 340) de ces cavités pouvant se situer à peu près à l'horizontale, ou présenter une pente décroissante vers l'extérieur et l'intérieur, à partir du barreau (235 à 238; 335 à 338).
  11. Procédé suivant l'une quelconque des revendications 1 à 10, caractérisé par la conformation d'un passage (42; 142) au moins côté fond, ouvert vers le bas, sur les cavités (30 à 33; 130 à 133).
  12. Procédé suivant l'une quelconque des revendications 1 à 11, caractérisé en ce que le moule est fermé sur une extrémité par un élément de fermeture (24, 84, 124, 184, 224, 284, 324, 424, 484, 524, 584), adapté à sa géométrie, dans la zone de l'épaississement de paroi côté interne (29; 129; 629; 729), de la traverse par exemple, et/ou de la paroi intermédiaire (407) et/ou de l'épaississement de paroi externe (208; 308; 508).
  13. Procédé suivant l'une quelconque des revendications 1 à 12, caractérisé en ce que le moule est fermé côté interne au moyen d'éléments superficiels adaptés (150; 405, 406; 622, 623, 650; 722, 723, 750) du noyau (115; 415; 615; 715), sur la zone longitudinale de l'épaississement de paroi côté interne (29; 129; 629; 729), de la traverse par exemple, ou de la paroi intermédiaire (407).
  14. Procédé suivant l'une quelconque des revendications 1 à 13, caractérisé en ce que la cavité, au moins (30 à 33; 130 à 133; 230 à 233; 330 à 333; 430 à 433; 530 à 533, 630, 631; 730), est conformée sur le noyau (15; 115; 215; 315; 415; 515; 615; 715) au moyen d'un pendant associé et formé en conséquence.
  15. Procédé suivant l'une quelconque des revendications 1 à 14, caractérisé en ce que le montant, au moins (25 à 28; 125 à 128; 225 à 228; 325 à 328; 425 à 428), est muni d'une armature (99), d'une partie d'une pièce de ferraillage (100) de la pièce moulée (11; 111; 211; 311; 411; 511; 611; 711), par exemple, pendant le façonnage de préférence.
  16. Dispositif de moulage pour la fabrication de pièces moulées à partir d'une matière moulable, d'éléments de puits notamment en béton, béton au polymère, au soufre, ou autres masses de béton, en matières céramiques, matière plastique, ou autres, tels qu'anneaux de cuvelage, bouches de puits, tuyaux, ou autres, pour la réalisation du procédé suivant l'une ou plusieurs des revendications précédentes 1 à 15, notamment, avec un moule formé d'un noyau (15) et d'un châssis externe (20) et pouvant être fermé, côté extrême, au moyen d'un manchon inférieur (24) et d'un manchon supérieur, par exemple, le noyau (15) présentant une partie, au moins, qui peut être déplacée par rapport à la partie résiduelle du noyau (15), pour le démoulage hors du contour de ce dernier, dans une position de dégagement, dans un sens quelconque vers l'intérieur du noyau, puis être ramenée dans une position de façonnage, et la partie du noyau pouvant former une cavité, au moins, dans la pièce moulée, caractérisé en ce que la partie de noyau, prévue par cavité (30 à 33; 130 à 133; 230 à 233; 330 à 333; 430 à 433; 530 à 533; 630 à 631; 731), est réalisée sous forme de corps de moulage (55 à 58, 155 à 158; 255 à 258; 355 à 358; 455 à 458; 555 à 558; 655, 656; 755) d'une géométrie et d'une dimension telles, qu'elles permettent la conformation d'un montant, au moins (25 à 28; 125 à 128; 225 à 228; 325 à 328; 425 à 428), creusé dans la paroi et praticable, sous forme d'une cavité (30 à 33; 130 à 133; 630, 631; 730).
  17. Dispositif de moulage suivant la revendication 16, caractérisé en ce que le corps de moulage respectif (55 à 58; 155 à 158; 255 à 258; 355 à 358; 455 à 458; 555 à 558; 655, 656; 755) est réalisé à peu près en forme de caisson, vu en coupe horizontale.
  18. Dispositif de moulage suivant l'une des revendications 16 ou 17, caractérisé en ce que le corps de moulage respectif (55 à 58; 155 à 158; 255 à 258; 355 à 358; 455 à 458; 555 à 558; 655, 656; 755), vu en coupe transversale verticale, a une forme à peu près en arc (figures 3, 7), ou quadrangulaire, rectangulaire, carrée, rhombique, ou autres, par exemple.
  19. Dispositif de moulage suivant l'une quelconque des revendications 16 à 18, caractérisé en ce que chaque corps de moulage (55 à 58) est maintenu et guidé, individuellement et en soi, sur le noyau (15), avec une possibilité de déplacement, de translation par exemple, entre la position de façonnage et la position de dégagement.
  20. Dispositif de moulage suivant l'une quelconque des revendications 16 à 19, caractérisé en ce que chaque corps de moulage (55 à 58) présente un dispositif de commande propre (59 à 62), pouvant le déplacer entre la position de façonnage et la position de dégagement.
  21. Dispositif de moulage suivant l'une quelconque des revendications 16 à 20, caractérisé en ce que le corps de moulage respectif est constitué de plusieurs parties de noyau ou d'une partie unique.
  22. Dispositif de moulage suivant la revendication 21, caractérisé en ce que chaque corps de moulage (55 à 58; 155 à 158), composé de plusieurs parties de noyau, présente un élément en caisson (65 à 68; 165 à 168) et un élément complémentaire (75 à 78; 175 à 178) guidé et actionnable, doté d'une possibilité de déplacement, de translation par exemple, par rapport à l'élément en caisson, entre une position de moulage et une position de démoulage, cet élément complémentaire pouvant être amené pour le façonnage dans sa position de moulage, et dans sa position de démoulage avant le déplacement en position de dégagement de l'élément en caisson (65 à 68; 165 à 168).
  23. Dispositif de moulage suivant la revendication 22, caractérisé en ce que l'élément complémentaire (75 à 178; 175 à 178) forme le fond de caisson du corps de moulage (55 à 58; 155 à 158).
  24. Dispositif de moulage suivant l'une des revendications 22 ou 23, caractérisé en ce que l'élément complémentaire (75 à 78; 175 à 178) est disposé à l'intérieur de l'élément en caisson (65 à 68; 156 à 168), ouvert vers le bas de préférence.
  25. Dispositif de moulage suivant l'une quelconque des revendications 22 à 24, caractérisé en ce que l'élément complémentaire (75 à 78; 175 à 178) présente une rainure (85 à 88) ouverte vers le bas, au moyen de laquelle un barreau (35 à 38; 135 à 138), dressé vers le haut, d'une cavité (30 à 33; 130 à 133) peut être formé dans la pièce moulée (11; 111).
  26. Dispositif de moulage suivant l'une quelconque des revendications 22 à 25, caractérisé en ce que le fond (40; 140) d'une cavité (30 à 33; 130 à 133) peut être formé dans la pièce moulée (11; 111) au moyen de l'élément complémentaire (75 à 78; 175 à 178).
  27. Dispositif de moulage suivant l'une quelconque des revendications 22 à 26, caractérisé en ce que l'élément complémentaire (75 à 78; 175 à 178) présente une saillie (95 à 98), au moins, dépassant à la verticale vers le bas, par exemple, au moyen de laquelle un passage (42; 142), ouvert vers le bas, peut être formé dans la pièce moulée (11; 111), dans le fond (40; 140) d'une cavité (30 à 33; 130 à 133).
  28. Dispositif de moulage suivant l'une quelconque des revendications 22 à 27, caractérisé en ce que chaque élément complémentaire (75 à 78) peut être déplacé par rapport à l'élément en caisson (65 à 68), entre sa position de moulage et sa position de démoulage, au moyen d'une commande propre (69 à 72), d'un vérin entraîné par un agent sous pression, par exemple.
  29. Dispositif de moulage suivant l'une quelconque des revendications 16 à 28, caractérisé en ce que chaque corps de moulage (55 à 58), chaque élément en caisson (65 à 68) notamment, peut être déplacé entre la position de façonnage et la position de dégagement au moyen d'une commande propre (59 à 62), d'un vérin entraîné par un agent sous pression, par exemple.
  30. Dispositif de moulage suivant l'une quelconque des revendications 16 à 28, caractérisé en ce que plusieurs corps de moulage (155 à 158; 255 à 258; 355 à 358; 455 à 458; 555 à 558; 655, 656; 755), plusieurs éléments en caisson (165 à 168) notamment, sont réunis en groupes, et peuvent être déplacés conjointement entre la position de façonnage et la position de dégagement au moyen d'une commande commune (159; 259; 359; 459; 559; 659; 759), d'un vérin entraîné par un agent sous pression, par exemple.
  31. Dispositif de moulage suivant la revendication 30, caractérisé en ce que les corps de moulage réunis (155 à 158; 255 à 258; 355 à 358; 455 à 458; 555 à 558; 655, 656; 755) peuvent être déplacés entre la position de façonnage et la position de dégagement par l'intermédiaire d'un dispositif d'actionnement commun (251; 351; 451; 551), sollicité par la commande (159; 259; 359; 459; 559; 659; 759).
  32. Dispositif de moulage suivant la revendication 31, caractérisé en ce que le dispositif d'actionnement commun (251; 351; 451; 551) présente un support (150; 380; 480; 650; 750), sur lequel sont maintenus les corps de moulage (155 à 158; 355 à 358; 455 à 458; 655, 656; 755), les éléments en caisson (165 à 168) notamment, et une commande (159; 359; 459; 659; 759) attaquant le support.
  33. Dispositif de moulage suivant l'une quelconque des revendications 22 à 32, caractérisé en ce que plusieurs éléments complémentaires (175 à 178) sont réunis en groupes, et peuvent être déplacés conjointement entre la position de moulage et la position de démoulage au moyen d'une commande commune (169), d'un vérin entraîné par un agent sous pression, par exemple.
  34. Dispositif de moulage suivant l'une quelconque des revendications 16 à 33, caractérisé en ce que les corps de moulage (55 à 58; 155 à 158; 455 à 458; 655, 656; 755), les éléments en caisson (65 à 68; 165 à 168), notamment, sont déplacés et guidés dans le sens radial ou le long d'une sécante, à l'horizontale, entre la position de dégagement et la position de façonnage.
  35. Dispositif de moulage suivant l'une quelconque des revendications 22 à 24, caractérisé en ce que les éléments complémentaires (75 à 78; 175 à 178) peuvent être déplacés et guidés vers le haut et vers le bas, dans le sens vertical, entre la position de démoulage et la position de moulage.
  36. Dispositif de moulage suivant l'une quelconque des revendications 16 à 35, caractérisé en ce que les corps de moulage (255 à 258; 355 à 358; 455 à 458; 555 à 558), des caissons notamment, peuvent être déplacés entre la position de dégagement et la position de façonnage au travers d'évidements (274; 374; 474; 574), correspondant à ces derniers, de la paroi (219; 319; 406; 519) du noyau (215; 315; 415; 515).
  37. Dispositif de moulage suivant l'une quelconque des revendications 16 à 36, caractérisé en ce que le noyau (15; 115; 415; 615; 715) présente au moins un élément superficiel (45 à 48; 150; 406; 650; 750) mobile par rapport à ce dernier, au moyen duquel peuvent être formées des zones superficielles internes de la pièce moulée, des zones adjacentes aux cavités, notamment.
  38. Dispositif de moulage suivant la revendication 37, caractérisé en ce que l'élément superficiel (45 à 48; 150; 406; 650; 750) peut être actionné avec la commande (159; 459; 659; 759), qui permet de déplacer les corps de moulage (155 à 158; 455 à 458; 655, 656; 755).
  39. Dispositif de moulage suivant l'une des revendications 37 ou 38, caractérisé en ce que l'élément superficiel (45 à 48; 150; 406; 650; 750) forme un segment de noyau, qui supporte un corps de moulage, au moins (55 à 58; 155 à 158; 455 à 458; 655, 656; 755), et peut être déplacé entre la position de dégagement et la position de façonnage.
  40. Dispositif de moulage suivant l'une quelconque des revendications 37 à 39, caractérisé en ce que l'élément superficiel (45 à 48; 150; 406; 650; 750) est réalisé sous forme de section de paroi mobile du noyau (15; 115; 415; 615; 715).
  41. Dispositif de moulage suivant l'une quelconque des revendications 16 à 40, caractérisé en ce que l'élément superficiel (45 à 48; 150; 406; 650; 750) est réalisé sous forme de support du corps de moulage, au moins (55 à 58; 155 à 158; 455 à 458; 655, 656; 755), de l'élément en caisson, par exemple.
  42. Dispositif de moulage suivant l'une quelconque des revendications 16 à 41, caractérisé en ce que les éléments de fermeture, permettant de fermer l'espace de moulage côté extrême, le manchon inférieur (24, 124; 224; 324; 424; 524), notamment, présentent des éléments d'appui (84; 184; 284; 384; 484; 584) adaptés à la géométrie de la pièce moulée à fabriquer (11; 111; 211; 311; 411; 511; 611; 711), supportant, par exemple, un épaississement de paroi interne (29; 129; 529; 729), ou un épaississement de paroi externe (208; 308; 508), ou une paroi intermédiaire (407) de la pièce moulée.
  43. Dispositif de moulage suivant l'une quelconque des revendications 16 à 42, caractérisé en ce que le moule présente un secoueur, au moins, ou vibrateur analogue, qui permet d'assurer un secouage, ou une vibration analogue, avec un serrage de la matière moulable.
  44. Dispositif de moulage suivant la revendication 43, caractérisé par le montage d'un secoueur central, au moins, dans le noyau.
EP92901074A 1991-01-05 1991-12-10 Procede et dispositif pour la fabrication de pieces moulees a partir d'une matiere moulable Expired - Lifetime EP0565540B1 (fr)

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DE4100161A DE4100161A1 (de) 1991-01-05 1991-01-05 Verfahren und vorrichtung zum herstellen von formteilen aus formmasse
DE4100161 1991-01-05
PCT/DE1991/000978 WO1992011981A1 (fr) 1991-01-05 1991-12-10 Procede et dispositif pour la fabrication de pieces moulees a partir d'une matiere moulable

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EP0565540A1 EP0565540A1 (fr) 1993-10-20
EP0565540B1 true EP0565540B1 (fr) 1995-07-19

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EP (1) EP0565540B1 (fr)
AT (1) ATE125193T1 (fr)
AU (1) AU9093391A (fr)
DE (2) DE4100161A1 (fr)
PL (1) PL167579B1 (fr)
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DE4236193A1 (de) * 1992-10-27 1994-04-28 Willi Goebel Abwasserschacht
DE20122914U1 (de) * 2001-03-06 2009-10-01 Kobra Formen Gmbh Form zur Herstellung von Formkörpern
DE10147572B4 (de) * 2001-09-26 2006-08-24 Mörlenbacher Betonwerk Richard Wagner GmbH & Co. KG Verfahren und Vorrichtung zum Herstellen von Stein-Formlingen sowie Stein-Formling
DE102005058404B4 (de) * 2005-12-07 2007-10-18 Kobra Formen Gmbh Vorrichtung zur Herstellung von Betonformsteinen sowie Formensystem und Formeinsatz hierfür
CN105583938A (zh) * 2014-10-20 2016-05-18 江俊昇 表面具有饰件的建筑基材的制造方法、弹性制模及其制品

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FR2233858A5 (fr) * 1973-06-12 1975-01-10 Tuyaux Bonna
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DE4100161A1 (de) 1992-07-09
AU9093391A (en) 1992-08-17
EP0565540A1 (fr) 1993-10-20
PL167579B1 (pl) 1995-09-30
WO1992011981A1 (fr) 1992-07-23
ATE125193T1 (de) 1995-08-15
DE59106059D1 (de) 1995-08-24

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