WO1995013178A1 - Procede et appareil de fabrication de produits en beton de resine, et coffrage - Google Patents

Procede et appareil de fabrication de produits en beton de resine, et coffrage Download PDF

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Publication number
WO1995013178A1
WO1995013178A1 PCT/JP1994/001903 JP9401903W WO9513178A1 WO 1995013178 A1 WO1995013178 A1 WO 1995013178A1 JP 9401903 W JP9401903 W JP 9401903W WO 9513178 A1 WO9513178 A1 WO 9513178A1
Authority
WO
WIPO (PCT)
Prior art keywords
mold
mixture
resin
mixtures
aggregate
Prior art date
Application number
PCT/JP1994/001903
Other languages
English (en)
Japanese (ja)
Inventor
Shigeru Hoshi
Original Assignee
Ebara Shoji Kabushiki Kaisha
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ebara Shoji Kabushiki Kaisha filed Critical Ebara Shoji Kabushiki Kaisha
Priority to AU81161/94A priority Critical patent/AU8116194A/en
Publication of WO1995013178A1 publication Critical patent/WO1995013178A1/fr

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Classifications

    • 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
    • B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
    • B28B5/04—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping in moulds moved in succession past one or more shaping stations
    • 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
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/04—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds
    • B29C43/06—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles using movable moulds continuously movable in one direction, e.g. mounted on chains, belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B29C67/242—Moulding mineral aggregates bonded with resin, e.g. resin concrete
    • B29C67/243—Moulding mineral aggregates bonded with resin, e.g. resin concrete for making articles of definite length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2503/00—Use of resin-bonded materials as filler
    • B29K2503/04—Inorganic materials
    • B29K2503/08—Mineral aggregates, e.g. sand, clay or the like

Definitions

  • the present invention relates to a method for manufacturing a resin concrete product, a manufacturing apparatus, and a mold.
  • Resin concrete made by combining aggregates with each other with a synthetic resin as a binder
  • One of the REET products is, for example, laid on floors, sidewalks, parks, squares, etc.
  • pavement boards there are pavement boards. Depending on the intended use and conditions of use, paving boards may or may not have voids between the aggregates, aggregates may be made of elastic granular materials such as rubber chips, and aggregates may be sand or gravel. Rigid granular materials such as those described above, binders made of thermosetting resin such as polyurethane resin and epoxy resin, binders made of thermoplastic resin such as styrene, polyethylene, and polypropylene, There is a combination of a layer made of an elastic granular material as an aggregate and a layer made of a rigid granular material as an aggregate.
  • a mixture of aggregate and synthetic resin is layered in a box-shaped mold having an open upper end, or a mixture of different types of aggregate and the same type of synthetic resin is further laminated in layers.
  • the mold is placed in a press device to pressurize the mixture in the mold, and while the pressurized state is maintained by the press device, the mold is heated by a heat source built in the press device. It was manufactured by molding.
  • An object of the present invention is to enable mass production of resin concrete products to be performed with a small number of press machines.
  • Another object of the present invention is to reduce the cost required for producing a large amount of resin concrete products.
  • a mixture containing an aggregate and a thermosetting resin for binding the aggregate is put into a mold provided with a pressure maintaining means, and After the mixture is pressurized, the mold is heated while the pressurized state of the mixture is maintained by the pressurizing and maintaining means of the mold, and then the mold is released.
  • the mixture is composed of, for example, a rubber chip and a sufficient amount of a thermosetting resin to bond the rubber chips to each other with a gap therebetween, and the mixture is layered in the mold.
  • thermosetting resins in the two mixtures adjacent to each other are of the same type or have a property of causing a crosslinking reaction when they come into contact with each other.
  • the plurality of mixtures include, for example, a mixture of a rock strip and a mixture of an epoxy resin and a polyamide resin in an amount sufficient to bond the strips with a gap therebetween, and a rubber chip and the rubber chip.
  • the rubber chips are made into a mixture with a sufficient amount of a polyurethane resin so as to be bonded to each other with a gap therebetween, and both the mixtures are layered in the mold.
  • one of two mixtures containing a sufficient amount of synthetic resin to bond the aggregates with a gap therebetween is placed in a mold provided with a pressure maintaining means, After forming at least one hole with one open top in one of the mixtures placed in the mold, the other mixture is pushed into the hole and overlaid on the one mixture, then both mixtures in the mold The mold is heated while the pressurized state of both the mixtures is maintained by the pressurization maintaining means of the mold, and then the mold is released.
  • the one mixture is pressurized prior to forming the holes in the one mixture.
  • both mixtures are placed in layers, for example, in the mold.
  • the synthetic resin can be a thermoplastic resin and a thermosetting resin, respectively.
  • the heating temperature of both mixtures is preferably set to 70 to 80 ° C.
  • the pressurization maintaining means of the mold includes, for example, a plate in contact with the pressurized mixture in the mold, and a stopping force for preventing the mixture from moving in the anti-pressing direction with the bracing force.
  • the heating of the mold can be performed using a heating furnace.
  • a manufacturing apparatus for performing the manufacturing method according to the present invention includes: a mold in which a mixture of an aggregate and a synthetic resin for binding the aggregate is placed; and a pressure generator that applies pressure to the mixture put in the mold. Pressurizing means, and a heating means for heating the mold, independent of the pressurizing means, for maintaining the pressurized state of the mixture pressurized in the mold. Means are in place.
  • the heating means may be a heating furnace.
  • the formwork provided for carrying out the manufacturing method according to the present invention includes a mold having an open upper end for receiving a mixture of an aggregate and a synthetic resin for bonding the aggregate, and a mold that can be fitted to the mold. Yes and can move up and down inside the mold And a stopper means for preventing upward movement of the plate.
  • a bottom plate slidable up and down in the mold is provided, and a hole is provided in the bottom of the mold.
  • the stopper device includes, for example, a plurality of brackets attached to the mold, and a rod screwed to each bracket and movable toward the plate.
  • the mold itself is responsible for maintaining the pressurized state of the mixture of the aggregate and the thermosetting resin, which is the molding material of the resin concrete product, placed in the mold and pressed. Therefore, it is not necessary to maintain the pressure of the mixture by the press device after the pressurization of the mixture by the press device, and thus the mixture under the pressure is maintained. Heating by the press device can be eliminated. As a result, a large number of mixtures are pressurized by a single pressing device, and a large number of the mixtures maintained in a pressurized state by a mold are heated at a time under heating means independent of the pressing device. Thermosetting resin can be cured. This makes it possible to produce a large number of resin concrete products using a small number of press units, and to reduce the cost of equipment by reducing the number of expensive breathing units, thereby reducing the amount of resin concrete. The cost required for manufacturing REIT products can be reduced.
  • An elastic pavement board can be obtained by putting a mixture of a rubber chip and a thermosetting resin in an amount sufficient to bond the rubber chips with a gap therebetween into the mold. .
  • thermosetting resins in the two mixtures adjacent to each other are of the same type, the thermosetting resins are mixed and cured at the boundary of the two mixtures, so that the plurality of molded bodies are joined together. It can be obtained as one unit.
  • thermosetting resins in the two mixtures have a property of causing a cross-linking reaction when they come into contact with each other, a cross-linking reaction product is generated at the boundary between the two mixtures, which joins the two molded bodies.
  • a mixture of an epoxy resin and a polyamide resin as a thermosetting resin that causes a cross-linking reaction, and a polyurethane resin each have a property of firmly bonding a rock and a rubber chip.
  • polyester resins and polyurethane resins that cause a crosslinking reaction By forming both mixtures into a layer, an integrally molded article of the elastic layer and the rigid layer can be obtained.
  • a hole is formed in one mixture (lump) previously placed in a mold, and the other mixture is pushed into the hole so as to stack the other mixture on the one mixture. Since the amount of the synthetic resin of both mixtures is sufficient to bond the aggregates to each other with a gap therebetween, the gap between the aggregates defining the wall surfaces of the holes is set in the gap between the aggregates of the other mixture. Lumber partially enters. Therefore, after the synthetic resin is cured by heating, a molded article of both mixtures, which is prevented from being separated by the aggregate retained in the void, is obtained.
  • both molded bodies are integrated. be able to.
  • both synthetic resins are composed of a thermoplastic resin and a thermosetting resin
  • the heating of the thermoplastic resin accompanying the heating can be achieved.
  • the thermosetting resin can be cured while preventing dripping due to softening.
  • the plate constituting the pressurization maintaining means of the mold moves in the mold to pressurize the mixture, and the strut means moves in the opposite direction to the plate. Prevent movement. As a result, the position of the plate is fixed, and the pressurized state of the mixture is maintained.
  • a mold for receiving a mixture of an aggregate and a synthetic resin for binding the aggregate and a mold for maintaining the pressurized state when the mixture is pressurized. Since the mixture received in the mold is pressurized by the pressurizing means, the pressurized state is changed to the mold pressure.
  • the frame is maintained by pressurizing and maintaining means, and while maintaining this state, heating can be performed by a heating means such as a heating furnace.
  • the plate fitted to the mold is pressed against the mixture received in the mold, and the plate is moved by staking the mixture, and the moving position of the plate with respect to the mold is shifted.
  • the mixture can be maintained by this means, whereby the pressurized state of the mixture can be maintained.
  • the mixture is supported by the bottom plate, and a rod is inserted through the hole.
  • the bottom plate can be pushed up to perform demolding.
  • the stopper means comprising a plurality of brackets attached to the mold and a mouth screwed to each bracket and movable toward the plate, the mouth is moved. Then, the plate is pressed against the mixture and further advanced to pressurize the mixture, and by stopping the movement of the mouth, the pressurized state of the mixture is maintained. You can have. Since this mold also has a pressurizing function, a press device can be dispensed with.
  • FIG. 1 is a process chart of the manufacturing method of the present invention.
  • FIG. 2 is a vertical sectional view of a part of the pavement plate.
  • FIG. 3 is a longitudinal sectional view of a part of another pavement plate.
  • FIG. 4 is a plan view of the mold.
  • FIG. 5 is a longitudinal sectional view of the mold at the start of pressurizing the mixture.
  • FIG. 6 is a longitudinal sectional view of the mold after pressurizing the mixture.
  • FIG. 7 is a vertical cross-sectional view of the mold when the mold is removed.
  • FIG. 8 is a partial plan view of another example of the mold.
  • FIG. 9 is a cross-sectional view taken along line 9-1 9 in FIG.
  • the method for producing a resin-concrete product according to the present invention is basically a method for forming one or a plurality of mixtures comprising an aggregate and a synthetic resin as a binder for binding the aggregate.
  • the pressurized state of the mixture is maintained in the mold. It is performed by means of maintaining pressure.
  • a box having a pressurizing and maintaining means described below for the production of a resin-concrete product comprising a paved board 10 (shown at the lower left of FIG. 1) having two formed layers 12 and 14.
  • a mold 16 is used, into which the first mixture 18 and the second mixture 20 are sequentially layered.
  • the movement of the first and second mixtures 18 and 20 to the mold 16 between the injection locations and the subsequent movement between the manufacturing processes are partially controlled by the belt. This is carried out using a conveyor 22 and partially manually.
  • the mold 16 into which the first mixture 18 has been introduced is transported to the place where the second mixture 20 is introduced through the step indicated by the arrow 24 or the step indicated by the arrow 26.
  • the process indicated by the arrow 24 is performed when the first and second mixtures 18 and 20 use the same type of thermosetting resin (for example, a polyurethane resin) as a binder or come into contact with each other.
  • thermosetting resin for example, a polyurethane resin
  • a different type of thermosetting resin that causes a cross-linking reaction for example, a combination of a mixture of an epoxy resin and a polyamide resin and a polyurethane resin solution, a combination of a polyester resin solution and a polyurethane resin solution
  • the process indicated by arrow 26 is suitable when the first and second mixtures 18 and 20 use a synthetic resin other than these synthetic resins as a binder. .
  • the aggregate 28 (FIG. 2) in the first mixture rigid granules such as rock fragments containing sand, gravel, crushed stone, etc. were used. Elastic particles such as rubber chips are used as aggregates 30 in the second mixture 20.
  • the rigid granules give rigidity to the molding layer 12, and the elastic granules give elasticity to the molding layer 14.
  • aggregate 28 and aggregate 30 have a particle size of 3-5 mm and 1-5 mni, respectively.
  • the epoxy resin and the polyamide resin, and the polyester resin, respectively are particularly suitable for the mutual bonding of the rock fragments, and provide great bonding strength.
  • the polyurethane resin is particularly suitable for the mutual bonding of the rubber chips and provides a large bonding strength.
  • the amount of the synthetic resin in each of the first and second mixtures is set to an amount sufficient to bond the aggregates together with a gap 32 (FIG. 2) therebetween.
  • An example is as follows: Aggregate 28: The mixed solution (epoxy resin + polyamide resin) 100% by weight: 10% by weight (5% by weight + 5% by weight).
  • Aggregate 30: —Liquid polyurethane resin liquid 100% by weight: 10% by weight is there. The voids impart air permeability and water permeability to the pavement board 1 ° obtained by molding.
  • the step 24 includes transferring the mold 16 to a place where the second mixture 20 is charged.
  • a tool such as a doctor knife (not shown) is used while transporting the mold 16 by the belt conveyor 24.
  • a plate 34 that is substantially the same shape as the opening of the mold 16 and can be fitted into the opening is placed on the layer of the second mixture 20.
  • the plate 34 constitutes the pressure maintaining means together with a stopper means to be described later.
  • the mold 16 covered with the blade 34 is manually transferred from the belt conveyor 24 to the press device 36, and the operating force of the press device 36 is applied to the plate 34.
  • both mixtures 18 and 20 in the mold 16 are pressurized.
  • the plate 34 is not raised by the stopper means of the mold 16 or by using a suitable device (not shown).
  • the mixture 18 and 20 are maintained in a pressurized state.
  • the mold 16 containing both mixtures maintained in the pressurized state is taken out from the breathing device 36.
  • heating means such as a heating furnace 38 at a time, and Heat.
  • the heating is performed, for example, at a furnace temperature of 150 to 200 ° C. for about 1 ° minute.
  • thermosetting resin liquids in both the mixtures are cured.
  • both mixtures 18 and 20 are connected by the same type of common resin liquid at these boundaries.
  • the substrates 12 and 14 are joined to each other via a cured resin liquid common to the boundary.
  • thermosetting resin is composed of the different types of thermosetting resins, in the former combination example, a part of the polyamide resin liquid, which is a curing agent for the epoxy resin, and a part of the polyurethane resin liquid are both mixtures. When they come into contact at the boundary of 18, 20, a cross-linking reaction occurs between the amino group of the polyamide resin and the iso- socyanate group of the polyurethane resin. The remaining polyamide resin liquid is involved in the curing of the epoxy resin, and the epoxy resin bonds the aggregates 28 to each other. In addition, the polyurethane resin has an effect of bonding the aggregates 30 to each other, and is accelerated by a reaction with water vapor (humidity) in the air.
  • water vapor humidity
  • the network-like cured substance 40 (FIG. 2) generated by this crosslinking reaction is connected to both the above-mentioned liquid mixture of epoxy resin and polyamide resin and the above-mentioned polyurethane resin liquid.
  • This hardened substance 40 both molded layers 12 and 14 are bonded to the body.
  • each mold 16 After heating is completed, remove each mold 16 from heating furnace 38 and Carry it on conveyor 24 and remove it at the specified position.
  • the plate 38 When removing the mold, the plate 38 is removed by removing the action of the stopper means, and preferably, for example, a piston jack rod of a hydraulic jack is inserted into a hole formed in the bottom of the mold 16. Such a rod 42 is inserted, and the molded product is pushed up to cut off the attachment between the molded product and the mold 16.
  • the belt 38 is transported to the position where the plate 38 is attached to the mold 16 and the first mixture 18 using the belt conveyors 43 and 45.
  • Step 26 is to pressurize the first mixture (mass) 18 in the mold 16 and release it upward to the mixture 18 before moving the mold 16 to the charging location of the second mixture 20.
  • the content is to form at least one hole 4 4.
  • Pressurization of the mixture 18 can be performed using a press device 46 similar to the press device 36.
  • the hole 44 is, for example, a pavement having a 40 mm thick forming layer 12 and a 15 mm thick forming layer 14 and a square planar shape having a piece length of approximately 30 cm.
  • the plate 10 is obtained, preferably, its diameter and depth are set to 10 mm and 15 mm, respectively, and the distance between the holes 44 is set to 20 to 3 ⁇ . .
  • the holes 44 may not penetrate the layer of the first mixture 18.
  • the press device 46 has a press plate 48 having a plurality of projections for forming the hole 44 and capable of fitting into the opening of the mold 16.
  • a plurality of holes 44 are formed in the mixture 18, and the mixture 18 is compressed. Only a plurality of holes 44 can be drilled in the mass of mixture 18 without compressing mixture 18. In this case, needless to say, the press device 46 is unnecessary.
  • the second mixture 20 is further superimposed on the layer of the first mixture 18. At this time, the second mixture 20 is pushed into the holes 44 of the first mixture. Subsequent operations are the same as in the example through step 24.
  • the aggregates 30 in the second mixture 14 partially enter the gaps 32 between the aggregates 28 defining the wall surfaces of the holes 44 of the first mixture 18.
  • the molding is performed while maintaining this state.
  • the pavement plate 10 composed of the two formed layers 12 and 14 that were prevented from being separated by the aggregate 30 retained in the voids 32 between the aggregates 28 was formed. can get.
  • This production method via step 26 can be carried out in the case where both synthetic resins which are binders in both mixtures 18 and 20 have no affinity or when both synthetic resins are thermoplastic resins (for example, styrene). , Polyethylene, polypropylene, etc.) and a thermosetting resin, it is possible to obtain a pavement board 10 having both formed layers 12 and 14.
  • both synthetic resins are composed of a thermoplastic resin and a thermosetting resin
  • the first mixture 18 and the second mixture 20 are therefore made of an amount of synthetic resin in which the aggregate 28 and the aggregate 30 are bonded to each other with a gap 32 therebetween. It is necessary to have each.
  • the mold 50 includes a mold 16 for receiving the mixture, Steps 5 and 2 are included.
  • the illustrated mold 16 has a box shape and has a substantially square opening 54 opening upward.
  • the pressure maintaining means 52 is a plate 34 which can be fitted into the opening 54 of the mold and can move up and down inside the mold, and a plate 34 for preventing the plate 34 from moving upward.
  • the illustrated stopper means 56 includes a plurality (four in the illustrated example) of brackets 58 attached to the mold 16, and is screwed to each bracket 58 to face the plate 34. It consists of a rod 60 that can be moved.
  • Each bracket 58 has a U-shape as a whole, one end of which is located above the plate 34, and the other end of which is a pair of projections 62 formed on opposite sides of the mold 16. It is fixed to.
  • a mouth 60 penetrates through the one end of each part rack 58.
  • a bottom plate 64 slidable up and down in the mold 16 is provided, and the bottom plate 64 receives the mixture.
  • one or more (two in the illustrated example) holes 66 are provided at the bottom of the mold 16.
  • the plate 34 is pressed by the press device 36 (see FIG. 5), whereby the first and second mixtures 18 and 18 in the mold 16 are formed.
  • each rod 60 is turned manually or using power to bring its lower end into contact with the lowered plate 34 (see FIG. 6). This prevents the plate 34 from rising in the expansion direction of the first and second mixtures 18, 20 after the pressing force is released by the press device 36, i.e., the movement in the anti-pressing direction.
  • the pressurized state of the first and second mixtures 18 and 20 is maintained.
  • the mixture can be pressurized by turning each rod 60 and pushing down the plate 34.
  • the breathing device 36 can be dispensed with.
  • the bottom plate 64 is raised with respect to the die 16 by the rod 42 inserted into the hole 66 at the bottom of the die 16, and after ascending, the forming layers 12, 14 and the plate 34 are lifted. Can be removed from mold 16
  • the formwork 70 shown here is used to obtain a pavement plate having an overall cross-shaped planar shape
  • the form 16 is made up of four peripheral members combined with each other.
  • the stopper means 56 of the mold 70 is provided with a pressing member 76 arranged above the mold 16 and a plurality of members for releasably fastening the pressing member 76 to the mold 16 (example shown in the figure). 4) fastening members 78.
  • the illustrated pressing member 76 includes a pair of elongated pressing plates 80 parallel to the plate 34, and a plurality of projections 82 provided on the lower surface of each of the pressing plates 80 and protruding downward and abutting on the plate 34. Become.
  • Each of the fastening members 78 shown in the figure is composed of a bolt / nut assembly, and a pair of bolt / nut assemblies is arranged on a pair of peripheral members 72 opposite to each other in the mold 16 with a space therebetween.
  • the head of the bolt of each bolt / nut assembly is supported by a shaft 84 supported by each peripheral member 72 and extending in the longitudinal direction thereof so as to be rotatable around the shaft. It has been done.
  • Each peripheral member 72 is provided with a notch 86 that allows the shaft to penetrate so that the shaft of the bolt extends vertically upward.
  • a similar notch 88 is provided at each end of each pressing plate 80. ing.
  • each projection 82 of the pressing plate 80 has a bolt 90 that penetrates the pressing plate 80 and a sleeve 9 2 that has a screw that is screwed to the bolt and that is in contact with the lower surface of the pressing plate 80. Consists of
  • a bottom plate 64 having the same planar shape as the plate 34 is spaced apart from the bottom 16a of the mold 16 by a plurality of spacers 94. Supported.
  • Each spacer 94 includes a small-diameter sleeve 96 fixed to the bottom 16a of the mold, a large-diameter sleeve 98 mounted on the small-diameter sleeve 96, and a large-diameter sleeve 98. It consists of a bolt 100 fixed to the small diameter sleeve 96.
  • the large-diameter sleeve 98 has a hole that allows the shaft of the bolt 100 to pass therethrough and receives the head thereof, and the small-diameter sleeve 96 has an internal thread that is screwed with the bolt 100.
  • the height dimension of the spacer 94 can be changed by replacing the large-diameter sleeve 98 with another having a different length dimension, whereby the first and second sleeves 98 can be changed.
  • the mixture 18, 20 can therefore set the thickness of the molded layers 12, 14.
  • a two-layer pavement board was described.
  • a one-layer molded body using an elastic granular material or a rigid granular material as an aggregate, or each of the granules is formed of a granular material.
  • the resin concrete product may take a form other than a flat plate, such as a curved plate, a block, or a box, depending on the purpose of use. Accordingly, the shape of the mold 16 is selected according to the shape of the desired resin concrete product, and the plurality of mixtures are formed in layers or simply so as to be in contact with each other. Put in 6.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Structural Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Road Paving Structures (AREA)

Abstract

L'invention concerne un procédé et un appareil de production d'un produit en béton de résine, et un coffrage. Selon l'invention, un petit nombre de dispositifs de compression peuvent permettre de produire en masse des produits en béton de résine en insérant dans un moule (16) un mélange (18, 20) contenant un agrégat et une résine thermodurcissable pour lier l'agrégat. Ce moule est pourvu de moyens de maintien de la pression. Ces moyens permettent de mettre sous pression le mélange (18, 20) dans le moule (16), de chauffer ce dernier tout en maintenant le mélange (18, 20) sous pression puis de retirer le moule. En même temps, il est possible de réduire les coûts de production pour une grande quantité de produits en béton de résine.
PCT/JP1994/001903 1993-11-10 1994-11-10 Procede et appareil de fabrication de produits en beton de resine, et coffrage WO1995013178A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU81161/94A AU8116194A (en) 1993-11-10 1994-11-10 Method of and apparatus for manufacturing products of resin concrete, and formwork

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP30327793A JP2748086B2 (ja) 1993-11-10 1993-11-10 レジンコンクリート製品の製造方法、製造装置および型枠
JP5/303277 1993-11-10

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WO1995013178A1 true WO1995013178A1 (fr) 1995-05-18

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PCT/JP1994/001903 WO1995013178A1 (fr) 1993-11-10 1994-11-10 Procede et appareil de fabrication de produits en beton de resine, et coffrage

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JP (1) JP2748086B2 (fr)
AU (1) AU8116194A (fr)
TW (1) TW282434B (fr)
WO (1) WO1995013178A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003026865A1 (fr) * 2001-09-20 2003-04-03 Honda Giken Kogyo Kabushiki Kaisha Procede de fabrication de moule de beton
WO2004039564A1 (fr) * 2002-10-31 2004-05-13 Eco New Technology Llc Procede de fabrication d'elements a partir de poudres et de granules
ITPS20080020A1 (it) * 2008-07-07 2010-01-08 Max Canti Processo di conglomerizzazione a secco con contemporanea dotazione all' elemento di finitura superficiale decorativa con polveri termoindurenti elettrostatiche . elemnti con esso ottenuti
WO2010004505A3 (fr) * 2008-07-07 2010-06-17 Max Canti Procédé d’obtention d’un mélange servant à produire des articles faits main, approprié pour former des revêtements ou des surfaces, et mélange obtenu par le procédé
CN103255887A (zh) * 2013-05-13 2013-08-21 大连铭源全建材有限公司 一种轻质无机防火保温装饰板专用生产设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56141880A (en) * 1980-04-07 1981-11-05 Yoshio Narase Production of resin concrete decorative sheet
JPS62148218A (ja) * 1985-12-24 1987-07-02 Shinichi Matsuda 構造用材料の製法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56141880A (en) * 1980-04-07 1981-11-05 Yoshio Narase Production of resin concrete decorative sheet
JPS62148218A (ja) * 1985-12-24 1987-07-02 Shinichi Matsuda 構造用材料の製法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003026865A1 (fr) * 2001-09-20 2003-04-03 Honda Giken Kogyo Kabushiki Kaisha Procede de fabrication de moule de beton
WO2004039564A1 (fr) * 2002-10-31 2004-05-13 Eco New Technology Llc Procede de fabrication d'elements a partir de poudres et de granules
ITPS20080020A1 (it) * 2008-07-07 2010-01-08 Max Canti Processo di conglomerizzazione a secco con contemporanea dotazione all' elemento di finitura superficiale decorativa con polveri termoindurenti elettrostatiche . elemnti con esso ottenuti
WO2010004505A3 (fr) * 2008-07-07 2010-06-17 Max Canti Procédé d’obtention d’un mélange servant à produire des articles faits main, approprié pour former des revêtements ou des surfaces, et mélange obtenu par le procédé
CN103255887A (zh) * 2013-05-13 2013-08-21 大连铭源全建材有限公司 一种轻质无机防火保温装饰板专用生产设备

Also Published As

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JPH07132519A (ja) 1995-05-23
AU8116194A (en) 1995-05-29
JP2748086B2 (ja) 1998-05-06
TW282434B (fr) 1996-08-01

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