WO2014038151A1 - 立体網状構造体製造装置及び立体網状構造体製造方法 - Google Patents
立体網状構造体製造装置及び立体網状構造体製造方法 Download PDFInfo
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- WO2014038151A1 WO2014038151A1 PCT/JP2013/005037 JP2013005037W WO2014038151A1 WO 2014038151 A1 WO2014038151 A1 WO 2014038151A1 JP 2013005037 W JP2013005037 W JP 2013005037W WO 2014038151 A1 WO2014038151 A1 WO 2014038151A1
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- dimensional network
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- filaments
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/06—Rod-shaped
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/355—Conveyors for extruded articles
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/905—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using wet calibration, i.e. in a quenching tank
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/9175—Cooling of flat articles, e.g. using specially adapted supporting means by interposing a fluid layer between the supporting means and the flat article
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/03—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/03—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random
- D04H3/033—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random reorientation immediately after yarn or filament formation
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/03—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random
- D04H3/037—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random reorientation by liquid
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow articles
- B29C48/912—Cooling of hollow articles of tubular films
- B29C48/913—Cooling of hollow articles of tubular films externally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2028/00—Nets or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Definitions
- the present invention relates to a three-dimensional network structure manufacturing method and a three-dimensional network structure manufacturing apparatus used for mattresses, cushions and the like.
- Patent Document 1 A conventional four-sided molding method for a three-dimensional network structure is shown in Patent Document 1, and is intended to form a single three-dimensional network structure, and a thermoplastic synthetic resin is used as a raw material or a main raw material.
- the melted filament is extruded downward from a die having a mouthpiece having a plurality of holes at the tip, and is naturally lowered between take-up machines partially submerged, and the filament is drawn slower than the descending speed to form a three-dimensional network
- the quadrilateral is formed in the direction perpendicular to the extrusion direction by the two pairs of take-up machines, and the width of the aggregate of the extruded filaments
- the interval between the take-up machines facing each other is set narrower, and the three-dimensional network structure formed by contacting all four surfaces of the outer periphery of the filament assembly before and after the take-up machine is submerged in contact with the take-up machine. Molding method .
- an object of the present invention is to improve production efficiency while ensuring product quality requirements such as repulsive force and dimensional accuracy, and to manufacture a three-dimensional network structure more stably and in large quantities.
- the first aspect of the present invention includes a plurality of rows of hole groups, a non-formed region in which no holes are formed is formed between the hole groups, and the aggregate of filaments melted from the holes is pushed downward in a plurality of rows and lowered.
- a pair of first chutes having a base, a first inclined surface inclined downward toward the assembly below the base, and facing each other with a gap, and a first supply of water to the first inclined surface
- a second water chute having a second inclined surface provided at a position below the non-formation region in the gap between the first water chute and the pair of first chutes and facing the first inclined surface;
- a pair of take-up machines disposed under the first chute and partially submerged or entirely submerged and transported in water in contact with the aggregate, wherein the aggregate includes the first chute and the second chute It is a three-dimensional network-structure manufacturing apparatus which forms a three-dimensional network structure by the said filament being entangled irregularly and heat-sealing when passing
- C. A three-dimensional network structure manufacturing method comprising: a cooling and solidifying step in which the aggregate is submerged and cooled and solidified by being pulled at a speed slower than the descent of the aggregate by a pair of take-up machines.
- a pair of chutes may be provided on both sides of the first chute to surround the linear assembly.
- a plurality of holes in which a plurality of holes are arranged are arranged in the base arrangement, but the holes formed in a plurality of lines correspond to two or more lines depending on the necessity of the three-dimensional network structure to be manufactured. It is configured as follows.
- the arrangement of the holes in the base includes a rectangle, but is not limited thereto, and one or more of the sides may have a curved shape.
- a three-dimensional network structure When a three-dimensional network structure is used as a mattress, it is often formed into a rectangular shape. However, since the short sides form both sides of the mattress, an arbitrary curve may be taken. When the three-dimensional network structure is used as a pillow or the like, the whole structure may be configured by a curve.
- the terms of the longitudinal direction and the short direction in the assembly and the base are relative, and the chute and the take-up machine can be provided in either direction.
- the pair of first chutes have inclined surfaces that guide the outer peripheral side surfaces of the descending assembly toward the center.
- the shape may be either a flat slope or a curved slope, and may be a shape whose inclination angle changes in the middle of the slope.
- each inclined surface may be provided independently, or may be provided integrally continuously in four orthogonal corners.
- the second chute is opposed to the first chute and has a second inclined surface so that the gap between them is reduced. Two second inclined surfaces are provided facing away from each other.
- the second inclined surface includes a case where the inclination angle is 90 degrees, that is, a vertical surface.
- the second chute preferably has a mountain shape.
- the configuration of the second chute may be either a continuous type or a divided type.
- the take-up machine has a rotating body that is in contact with the long side of the assembly, thereby holding the assembly and pulling the assembly by the rotation.
- the rotating body is preferably an endless member, an endless caterpillar structure, or the like. If the operation of the three-dimensional network structure manufacturing device is continued for a long time, the temperature inside the water tank (especially inside the take-up machine) will rise and the molding conditions will become unstable. It becomes easy and the molding conditions can be stabilized. That is, the cooling water can be circulated inside the endless caterpillar structure, and the entire inside of the water tank can be stirred by the circulation of the endless caterpillar structure. Furthermore, it becomes easy to eject cooling water from the inner side of the endless caterpillar structure toward the three-dimensional network structure. In addition, as a rotary body, it is not restricted to this, A roller etc. can also be used.
- the facing distance between the pair of take-up machines is preferably equal to or smaller than the facing distance between the pair of first chutes, for example, 1-30% narrower, more preferably 2-27% narrower, more preferably 3-10%. It is more preferable that the distance be narrow.
- the inclined surfaces of the pair of first chutes may be partially submerged, but the height of the water surface is preferably 1 to 70 mm, more preferably 2 to 40 mm, and the distance from the lower end of the inclined surface is preferably 3 to 20 mm is more preferable.
- the facing distance between the pair of first chutes is preferably 3-60% narrower than the arrangement length in the short direction of the die, more preferably 4-50% narrower, and more preferably 5-40% narrower. More preferably, the interval is set.
- the present invention 3 includes a plurality of rows of hole groups, a non-formed region in which no holes are formed between the hole groups is formed in parallel with the longitudinal direction, and the aggregate of filaments melted from the holes is arranged in a plurality of rows below.
- a base that is pushed down and lowered, a pair of chutes opposite to each other with a gap therebetween, and a water supply that supplies water to the inclined surface.
- a pair of take-up machines disposed under the chute and partially submerged or fully submerged and in contact with the aggregate and transported in water, when the aggregate passes between the chute
- the three-dimensional network-structure manufacturing apparatus that forms a three-dimensional network structure by tangling the filaments irregularly and heat-sealing.
- the present invention 4 includes: a a plurality of groups of holes formed of a plurality of holes, and a plurality of molten thermoplastic resins from a die in which a non-formed region is formed between the hole groups in parallel with the longitudinal direction.
- a descent step in which a group of filaments is pushed downward at a predetermined interval and lowered; b, water is flowed over a pair of chutes inclined downward toward the aggregate, and the filaments are poured into water.
- the wire By making contact, the wire is irregularly entangled and heat-sealed to form a loop, and a loop forming step for passing between the chutes, and c a speed slower than the descent of the aggregate by a pair of take-up machines And a cooling and solidifying step in which the aggregate is submerged and cooled and solidified.
- the present invention 5 includes a plurality of rows of hole groups, a non-formed region in which no holes are formed is formed between the hole groups, and the aggregate of the filaments melted from the holes is pushed downward in a plurality of rows and lowered.
- a water supply unit and a pair of take-up machines disposed under the chute and partially submerged or fully submerged and transported in water in contact with the aggregate, and the aggregate passes through both outer sides of the chute
- the three-dimensional network-structure manufacturing apparatus forms a three-dimensional network structure when the filaments are entangled irregularly and heat-sealed.
- the present invention 6 comprises: a set of a plurality of groups of filaments of thermoplastic resin melted from a die comprising a plurality of hole groups each having a plurality of holes and a non-formed region formed between the hole groups; A descent step in which the body is pushed downward by a predetermined interval and lowered; b a pair of top portions provided at a position below the non-formation region and inclined downward from the top toward the assembly.
- the present invention 7 includes a plurality of parallel hole groups, a non-formed region in which no holes are formed between the hole groups is formed in parallel with the longitudinal direction, and a plurality of rows of aggregates of filaments melted from the holes And a pair of take-up machines disposed below the base and partially submerged or fully submerged and brought into contact with the assembly and transported in water.
- the apparatus is a three-dimensional network-structure manufacturing apparatus that forms a three-dimensional network structure by tangling the filaments irregularly and heat-sealing when passing between the machines.
- the present invention 8 is provided with a plurality of hole groups parallel to the longitudinal direction composed of a plurality of holes, and melted from a die in which a non-formed region is formed between the hole groups in parallel with the longitudinal direction.
- a descent step in which a plurality of groups of filaments of thermoplastic resin are pushed downwards at a predetermined interval in parallel with the longitudinal direction and lowered; b, a pair of take-up machines take up at a slower speed than the descent of the aggregates;
- a cooling and solidifying step in which the filaments are irregularly entangled and heat-sealed to form a loop, and a plurality of groups of the aggregates are submerged and cooled and solidified, and a three-dimensional network structure manufacturing method.
- the inner sides of the plurality of line aggregates facing each other Since the surface can be molded, a plurality of rows can be extruded at a time while ensuring various requirements of product quality such as repulsive force and dimensional accuracy of the inner surface.
- By molding the inner surface it is possible to expand the volume of the surface high-density layer having a large number of interlaced points of the filaments, a low porosity and a high tensile strength.
- the base is provided with a plurality of hole groups parallel to the longitudinal direction, and a non-formed region in which no holes are formed between the hole groups is formed parallel to the longitudinal direction. Therefore, even a wide width mattress or the like can be produced at a time, and the length of the base and the take-up machine can be avoided.
- the production efficiency of the three-dimensional network structure is improved, and an increase in production, which can only be dealt with by increasing the number of facilities in the conventional method, can be performed on a plurality of mattresses, etc. at one time. It becomes possible to manufacture the three-dimensional network structure more stably and in large quantities. If there is existing equipment, it is possible to extrude multiple 3D network structures by simply replacing the base with multiple rows without updating other equipment. This can reduce the cost of equipment renewal.
- FIG. 1 is a front view of the manufacturing apparatus 1 of Embodiment 1 of this invention.
- (A) is a bottom view of the base 3 showing the arrangement of the hole groups 32a, 32b of the first embodiment.
- (B) is a top view which shows the 1st chute
- FIG. (A) (b) is a bottom view which shows the modification of the nozzle
- FIG. It is a front view which shows the use condition of the solid network structure manufacturing apparatus 1 of Embodiment 1.
- FIG. FIG. 5 is a plan sectional view taken along line AA in FIG. 4.
- FIG. (A) is a schematic perspective view of aggregate
- (b) is a front view which shows the modification of the 2nd chute
- FIG. (A) is a top view which shows the cross-sectional state of the three-dimensional network structure 10a, 10b by Embodiment 1
- (b) is a front view which shows the modification of the 2nd chute 6
- (c) is the 2nd chute. It is a front view which shows 6 different modifications. It is a front view which shows the water surface height Wd from the lower end part of the inclined surfaces 44a and 44b in Embodiment 1.
- FIG. 13 is a plan sectional view taken along line BB in FIG.
- FIG. 10 is a schematic perspective view of aggregates 121a, 121b, and 121c in the manufacturing process of the three-dimensional network structure according to the second embodiment.
- (A), (b) is a front view which shows the change of the water level H by the setting height of the 1st chute
- FIG. It is a front view which shows the use condition of the manufacturing apparatus 201 in Embodiment 3 by this invention. It is a front view which shows the use condition of the manufacturing apparatus 301 in Embodiment 4 by this invention. It is a front view which shows the use condition of the manufacturing apparatus 401 in Embodiment 5 by this invention.
- FIG. 10 is a plan sectional view showing a state of manufacturing in Embodiment 8.
- a three-dimensional network structure manufacturing apparatus 1 according to Embodiment 1 of the present invention will be described below with reference to FIGS.
- the three-dimensional network structure manufacturing apparatus 1 is a spring in which a plurality of filaments 20 a and 20 b made of thermoplastic synthetic resin are irregularly entangled and heat-sealed in a loop shape. It is an apparatus for manufacturing a three-dimensional network structure 10a, 10b having a structure.
- FIG. 1 and FIG. 4 are based on an arrow view of the short side portions 23a and 23c of the three-dimensional network structures 10a and 10b.
- the manufacturing apparatus 1 includes a base 3, first chutes 4 a and 4 b disposed below the base 3, first water supply units 5 a and 5 b disposed above the first chutes 4 a and 4 b, A second chute 6 positioned between the first chutes 4a and 4b below, a second water supply unit 5c disposed above the top 6a of the second chute 6, and disposed below the first chutes 4a and 4b A pair of take-up machines 8a and 8b.
- the base 3 forms two hole groups 32a and 32b in which a plurality of holes 31a and 31b are arranged in two rows.
- a plurality of holes 31a are arranged in a rectangle of width D1a ⁇ length D2 to form a hole group 32a
- the plurality of holes 31b are width D1b ⁇ length D2.
- the holes 31a and 31b are arranged in a region having the same shape and the same area to form the hole groups 32a and 32b.
- the regions of the hole groups 32a ′ and 32b ′ may be different.
- the lengths of the regions of the hole groups 32a 'and 32b' may be different. If it does in this way, solid network structure 10a, 10b from which the thickness and width of a product differ can be manufactured as a set.
- the base 3 can also include holes 31 a ′′ and 31 b ′′ having different hole diameters in each of the hole groups 32 a ′′ and 32 b ′′.
- the hole diameter of the lower hole 31 b ′′ is set large, and the hole density is set small.
- the bulk density may be changed smoothly by gradually decreasing the hole density of the hole groups 32a, 32b, 32a ', 32b', 32a ", 32b".
- illustration is omitted, a low-density layer may be sandwiched from above and below by a high-density layer.
- the holes 31a and 31b provided in the base 3 may be partially closed to use only desired ones. Thereby, the bulk density and product shape of the solid network structures 10a and 10b can be changed.
- the plate member may be closed by fixing it to the lower surfaces of the holes 31a and 31b, or the holes 31a and 31b may be individually closed with a closing member such as a rivet.
- you may form the area
- the area shape of the hole groups 32a and 32b is not limited to a rectangle.
- the hole groups 32a and 32b may be arranged so that both sides of the mattress thickness are curved.
- the hole groups 32a and 32b can be arranged in an irregular shape such as an oval shape or a gourd shape.
- a plurality of pillow-shaped three-dimensional network structures having a gourd-shaped cross section can be simultaneously extruded (see Embodiments 7 and 8).
- the base 3 is integrally provided at a lower portion of a die (not shown) that temporarily stores the molten thermoplastic synthetic resin by applying pressure thereto.
- the filament 20a is discharged from the hole 31a of the hole group 32a, and the filament 20b is discharged from the hole 31b of the hole group 32b.
- the filament aggregates 21a and the filament aggregates 21b are separated into left and right sides with a gap therebetween and discharged and lowered (see FIG. 4).
- the assembly 21a has long side portions 22a and 22b and short side portions 23a and 23b on the outer periphery, and the assembly 21b has long side portions 22c and 22d and short side portions 23c on the outer periphery. , 23d.
- the arrow in Fig.6 (a) displays the extrusion direction of the three-dimensional network structure 10a, 10b at the time of manufacture.
- the chute 4 (see FIG. 2B) is disposed below the base 3 and descends as shown in FIGS. 1, 2B, and 4 (see FIGS. 4 and 6A). ) Of the first chute 4a that receives the long side portion 22a, the first chute 4b that extends to the position that receives the long side portion 22d of the assembly 21b, and the long side portions 22b and 22c provided between the first chutes 4a and 4b. A second chute 6 extending to the receiving position, a chute 43a extending to a position for receiving the short side portions 23a and 23b, and a chute 43b extending to a position for receiving the short side portions 23c and 23d are provided.
- the first chutes 4a and 4b are paired to face each other so as to guide the outer peripheral side surfaces of the descending aggregates 21a and 21b in the central direction.
- the pair of first chutes 4a and 4b have inclined surfaces 44a and 44b that are inclined downward toward the aggregates 21a and 21b, respectively.
- the inclined surfaces 44a and 44b may have a shape in which the inclination angle changes in the middle of the inclined surface as shown in FIG. 1, or the inclination angle may be constant. Further, the shapes of the inclined surfaces 44a and 44b are not limited to those shown in the drawings, and may be curved surfaces.
- the chutes 43a and 43b are a pair of chutes provided opposite to each other between the first chute 4a and the second chute 6 and between the second chute 6 and the first chute 4b. It is.
- the chutes 43a and 43b have inclined surfaces 45a and 45b that are inclined downward toward the aggregates 21a and 21b, respectively.
- the second chute 6 has a top portion 6a below the non-forming region 33 and between the aggregates 21a and 21b (see FIGS. 4 and 6A). Located between the first chutes 4a and 4b. It has an inclined surface 46a inclined downward toward the aggregate 21a and an inclined surface 46b extending downward toward the aggregate 21b.
- the second chute 6 is provided in such a manner that the inclined surface 46a and the inclined surface 46b face each other, and has a mountain shape with the apex 6a serving as the connecting portion as a vertex.
- the inclined surface 46a and the inclined surface 46b are not necessarily integrated, and can be provided separately.
- the second chute 6 is formed to a position where the inclined surface 46a is received with respect to the longitudinal side portion 22b of the assembly 21a and the inclined surface 46b is received with respect to the longitudinal side portion 22c of the assembly 21b.
- the long side portion 22b of the aggregate 21a and the long side portion 22c of the aggregate 21b flow down the inclined surfaces 46a and 46b together with water, hot water, or hot water, respectively.
- FIG. 7B is a modification of the second chute 6, the second chute 6 g having a rhombus cross section, and a second chute having a triangular cross section and a protruding portion smaller than the width of the triangle extending downward on the lower surface thereof.
- 6h an umbrella-shaped second chute 6i and a second chute 6j which is a vertical plate are shown.
- the second chute 6j is suitable for a three-dimensional network structure without the surface layer 12 (see FIG. 7A).
- FIG. 7C shows another modification of the second chute 6, which is a second chute 6 k having a trapezoidal cross section and provided with a pair of water supply portions 5 c above. Instead of a trapezoid, a square shape may be used.
- the reason for providing the second chute 6 is to provide the surface layer 12 and to prevent the three-dimensional network structures 10a and 10b from being fused.
- the chute 4 is formed with two openings 41 at the bottom.
- the pair of first chutes 4a and 4b, the pair of chutes 43a and the pair of chutes 43b are formed in pairs with a rectangular opening 41 interposed therebetween, and have a symmetrical shape.
- the opening 41 is reduced in diameter as it goes downward, and the area is minimized on the lowermost surface.
- the lowermost width S of the first chutes 4 a and 4 b is smaller than the width D 1 of the base 3.
- the widths of the first chutes 4a and 4b and the second chutes 6 are preferably substantially constant.
- a cover (not shown) surrounding the aggregates 21a and 21b is provided around the chute 4 so that heat can be kept so that heat does not escape to the outside, and wind from the outside can be prevented.
- a width S1a is provided between the first chute 4a and the second chute 6.
- a width S1b is provided between the first chute 4b and the second chute 6.
- a width S is provided between the first chute 4a and the first chute 4b.
- the first shoots 4a and 4b and the second shoot 6 have a length S2a.
- the width S1a formed in the lower part between the inclined surfaces 44a and 46a is smaller than the width D1a of the hole group 32a.
- the width S1b formed in the lower part between the inclined surfaces 44b and 46b is smaller than the width D1b of the hole group 32b.
- a region defined by the width S1a ⁇ S2b and the width S1b ⁇ S2b is the two openings 41.
- the pair of first chutes 4a and 4b, the pair of chutes 43a, and the pair of chutes 43b are integrally provided, but may be provided independently or continuously and integrally at four orthogonal corners. Note that the pair of chutes 43a and the pair of chutes 43b may not be provided for manufacturing convenience.
- the widths D1a and D1b may be set to be the same as the intervals S1a and S1b.
- the width S1a is narrower than the width D1a, and the ratio is preferably 45 to 98%, more preferably 62 to 93%, and most preferably 80 to 91%. For example, when the width D1a is 55 to 65 mm, the width S1a is 50 mm (77% to 91%), and when the width D1a is 35 to 45 mm, the width S1a is 30 mm (67% to 86%). The relationship between the width S1b and the width D1b is the same.
- the water supply parts 5a and 5b are pipes arranged in the longitudinal direction above the first chutes 4a and 4b, and have openings 51a and 51b, respectively, and supply water to the inclined surfaces 44a and 44b ( (See FIGS. 1 and 4).
- the water supply units 5a and 5b are connected to a water supply source (not shown).
- the supply of water to the chutes 43a and 43b may use the water flow from the openings 51a and 51b, or a separate water supply unit (not shown) may be provided above the chutes 43a and 43b. Hot water may be supplied instead of water.
- the water supply part 5c is a pipe located below the non-formation region 33 and located on the top part 6a.
- An opening 51c is provided in the longitudinal direction of the water supply unit 5c, and water or hot water is supplied to the inclined surfaces 46a and 46b according to the resin used as the raw material for the three-dimensional network structures 10a and 10b (see FIG. 4).
- the water supply unit 5c is connected to a water supply source (not shown).
- the inclined surfaces 46a and 46b may be covered with a cloth 51d such as cloth, and water may be allowed to flow, and the first chutes 4a and 4b may be covered with a similar cloth. This is to ensure the shape stability of the three-dimensional network structures 10a and 10b. Shot blasting may be applied to the inclined surface, Teflon (registered trademark) may be processed, or a wire mesh sheet may be installed.
- the pair of take-up machines 8a and 8b are arranged opposite to each other below the first chutes 4a and 4b, and the long side portion 22a of the aggregate 21a and the aggregate It has endless members 61a and 61b provided so as to be in contact with the long side portion 22d of the body 21b, and pulleys 63a, 64a, 63b and 64b for driving the endless members 61a and 61b.
- Each of the pair of take-up machines 8a and 8b is composed of a drive motor (not shown), a chain (not shown), a gear (not shown), and the like that drive the pulleys 63a, 64a, 63b, and 64b.
- a transmission (not shown) for changing the rotational speed of 61a or 61b, a control device (not shown), and a drive control device (not shown) composed of instruments and the like are provided.
- the facing distance B1 between the pair of take-up machines 8a and 8b is preferably 30 to 39 mm, particularly preferably 35 to 38 mm when the three-dimensional network structures 10a and 10b are 20 mm in thickness and extruded in two rows.
- the distance B1 between the pair of endless members 61a and 61b is set to be narrower than the width S (see FIG. 1).
- the interval B1 is preferably 1-30% narrower than the width S. If it is less than 1%, there is little effect in improving the repulsive force and thickness stability of the product, and if it is more than 30%, the traces of the endless members 61a and 61b remain on the product, and the burden on driving the take-up machines 8a and 8b is reduced. It increases too much or the thickness of each of the three-dimensional network structures formed by a plurality of sheets becomes non-uniform.
- the interval B1 is more preferably 2 to 27% smaller than the width S, and further preferably 3 to 10% smaller.
- the pair of take-up machines 8a and 8b are provided in the water tank 7 while being partially submerged or all submerged.
- a structure in which the interval B1 between the pair of endless members 61a and 61b can be freely changed is preferable.
- the water tank 7 cools and solidifies the aggregates 21a and 21b in a molten state, and manufactures the three-dimensional network structures 10a and 10b. It is desirable that the water level H be equal to or higher than the height of the lower ends of the inclined surfaces 44a and 44b of the first chutes 4a and 4b (see FIGS. 4 and 9).
- the filaments 21a and 21b are lowered from the first chutes 4a and 4b, surface layers are already formed on the inner side and the outer side. The same applies to the subsequent drawings.
- the water level H will be explained in more detail. As shown in FIG. 8, the water level H is preferably set with reference to the lower end portions of the inclined surfaces 44a and 44b, but is not limited thereto.
- the water level H includes the same height as the lower ends of the inclined surfaces 44a and 44b, and a water level higher than this is preferable.
- the water level is preferably set to 0 ⁇ Wd ⁇ 45 (mm), preferably 1 ⁇ Wd ⁇ 30 (mm), when the height from the lower end of the inclined surfaces 44a and 44b is represented by Wd. It is more preferable to set the height to 3 ⁇ Wd ⁇ 22 (mm).
- the water level height is set in consideration of variations in the water level at the time of manufacture and the level of the machine. Although affected by the manufacturing conditions, if the water level H is set to a height of 3 mm or more from the lower ends of the inclined surfaces 44a and 44b, the water level H can be prevented from becoming lower than the lower ends of the inclined surfaces 44a and 44b. On the other hand, if the water level H exceeds 45 mm from the lower ends of the inclined surfaces 44a and 44b, the resin starts to solidify depending on the conditions, and the fusion between the fibers deteriorates, and the surface roughness increases and becomes inappropriate.
- the three-dimensional network structures 10a and 10b are extruded in two rows. As shown in FIG. 9A, two sheets of the three-dimensional network structure are taken out by the take-up machines 8a and 8b (belt or roll). It is preferable to increase the distance between the water surface H and the take-up machines 8a and 8b. In this way, the three-dimensional network structures 10a and 10b extruded in two rows (or three or more rows) can be taken out without being bent excessively.
- the distances ⁇ H and ⁇ H ′ between the water surface H and the take-up machines 8a and 8b are preferably 5 to 300 mm, more preferably 15 to 80 mm, and even more preferably 20 to 50 mm.
- the melted raw material is sent to the inside of a die (not shown), pressure is applied, and it is pushed downward from the holes 31a and 31b of the die 3 to form the filaments 20a and 20b.
- the temperature range inside the die can be set to 100 to 400 ° C.
- the extrusion amount can be set to 20 to 600 kg / hour, and the like.
- the pressure inside the die may be, for example, a discharge pressure of a 75 mm screw, and the pressure range is about 0.2 to 25 MPa.
- a discharge pressure of a 75 mm screw When manufacturing the solid network structure 10 having a thickness exceeding 100 mm, it is preferable to make the die pressure uniform by a gear pump or the like.
- Each of the filaments 20a and 20b discharged from the base 3 becomes two rows of aggregates 21a and 21b due to the non-forming region 33.
- the strips 20a and 20b located on the outer peripheral long side portions 22a and 22d are divided into left and right, and are in contact with the inclined surfaces 44a and 44b of the pair of first chutes 4a and 4b.
- the vertical descent trajectory is disturbed and flows down the inclined surfaces 44a and 44b while being cooled by the water supplied from the openings 51a and 51b, and entangled with the adjacent filaments 20a and 20b in a loop shape. It is guided obliquely toward the lower part of the center part and forms the outer longitudinal side part.
- the filaments 20b located on the hand side portions 23c and 23d slide down the inclined surfaces 45a and 45b, and similarly form the short side portions.
- the filaments 20a and 20b located on the inner longitudinal side portions 22b and 22c come into contact with the inclined surfaces 46a and 46b of the second chute 6 so that the vertical descent trajectory is disturbed. While descending left and right, cooled down with water, hot water or hot water supplied from the opening 51c, it flows down the inclined surfaces 46a and 46b and entangles with the adjacent filaments 20a and 20b in a loop shape, and aggregates 21a and 21b.
- the inner longitudinal side portion is formed by being guided obliquely downward at the center.
- the linear surfaces 20a and 20b that descend without contacting any of the inclined surfaces 44a and 44b, the inclined surfaces 45a and 45b, and the inclined surfaces 46a and 46b are the inclined surfaces 44a and 44b described above. Disturbance of the vertical descent trajectory is propagated by the contact with the sloping surfaces 45a, 45b or the line 20a, 20b looped by the contact with the sloping surfaces 46a, 46b, or the disturbance of the vertical descent trajectory by the contact with the water surface. As a result, a loop is formed as a whole.
- the take-up machines 8a and 8b Since the aggregates 21a and 21b that pass through the opening 41 hold a distance from each other when they land on the water, it is possible to avoid proper cooling and fusion to each other. Since the take-up speed by the take-up machines 8a and 8b is slower than the descending speed of the aggregates 21a and 21b, the take-up machines 8a and 8b are appropriately taken up with the loop formed.
- the aggregates 21a and 21b lowered to the positions of the endless members 61a and 61b are sandwiched by the endless members 61a and 61b at a distance B1 smaller than the sum of the distances S1a and S1b and are subjected to a compression action. Since the aggregates 21a and 21b are not completely cooled and solidified in the water tank 7 when they are lowered to the positions of the endless members 61a and 61b, the compression molding effect is obtained by sandwiching them with the endless members 61a and 61b. If the aggregates 21a and 21b are conveyed downward by the take-up machines 8a and 8b, the aggregates 21a and 21b formed in the three-dimensional network structure are cooled and the shape is fixed. In addition, when the aggregates 21a and 21b can be taken out due to dimensions, loop elasticity, or the like, the width S and the interval B1 can be made the same.
- the above operation can be continuously performed to obtain two three-dimensional network structures 10a and 10b.
- the three-dimensional network structures 10a and 10b have a cross section that is approximately half the size of the interval B1, and are substantially plate-like in a state where they are subjected to auxiliary compression molding by the take-up machines 8a and 8b.
- the chutes 43a and 43b are not provided, end face processing of the short side portions 23a and 23b and 23c and 23d of the three-dimensional network structures 10a and 10b is performed as necessary.
- the raw material of the three-dimensional network structures 10a and 10b can be a thermoplastic resin, a thermoplastic elastomer resin, or the like.
- thermoplastic synthetic resins polyolefins such as polyethylene and polypropylene, polyesters such as polyethylene terephthalate, polyamides such as nylon 66, polyvinyl chloride, polystyrene, copolymers and elastomers based on the above resins, blends of the above resins, etc. Is mentioned.
- Blended raw materials such as antibacterial agents are also possible.
- polyethylene is suitable as the raw material.
- an antibacterial agent, a nonflammable material, and a flame retardant may be mixed with the raw material thermoplastic synthetic resin so that the three-dimensional network structures 10a and 10b have these functions.
- the three-dimensional network structures 10a and 10b manufactured according to Embodiment 1 will be described.
- the three-dimensional network structures 10a and 10b are configured by a plurality of filaments 20a and 20b being intertwined in a loop shape and thermally fused.
- FIG. 7A in the three-dimensional network structures 10a and 10b, the long side portions 22a and 22b and the short side portions 23a and 23b of the aggregate 21a, and the long side portions 22c and 22d of the aggregate 21b and A surface layer 12 having a larger bulk density than the inside 11 is formed on the side surfaces corresponding to the short side portions 23c and 23d.
- the three-dimensional network structures 10a and 10b can be used for, for example, bedding mattresses, pillows, cushions, core materials or skin materials thereof.
- the three-dimensional network structures 10a and 10b are manufactured as bedding mattresses, they can be applied to mattresses of single, double, and other sizes.
- the width is about 600 to 2000 mm and the length is about 1300 to 2500 mm. Since the two three-dimensional network structures 10a and 10b are endless in the manufacturing process, the mattress of the three-dimensional network structures 10a and 10b having a considerable length can be formed into a roll. Thereby, distribution and other conveniences can be achieved.
- the suitable thickness of the three-dimensional network structures 10a and 10b varies depending on the bulk density, product specifications, etc., but is preferably 10 to 300 mm, more preferably 25 to 150 mm, and still more preferably 30 to 80 mm.
- the bulk density is preferably 0.02 ⁇ 0.2g / cm 2, more preferably 0.03 ⁇ 0.09g / cm 2. 0.035 to 0.07 g / cm 2 is more preferable.
- Tables 1 and 2 show the results of quality measurement tests for the plurality of three-dimensional network structures 10a and 10b formed according to the first embodiment.
- This measurement test is a measurement of the repulsive force and thickness of a plurality of molded three-dimensional network structures 10a and 10b. Measurements were taken at three points in the center to obtain an average value.
- a load was applied to the center of the mattress of the three-dimensional network structure 10a, 10b via a ⁇ 150 mm disc, and the force applied when the mattress was submerged 5 mm, 10 mm was measured as the repulsive force.
- the measuring instruments used are a digital force gauge ZPS and a load cell ZPS-DPU-1000N manufactured by Imada Corporation.
- one example of the manufactured three-dimensional network structures 10a and 10b has a thickness / width / length of 25 mm ⁇ 500 mm ⁇ 1000 mm and a weight of 500 to 800 g, respectively. Moreover, the test was measured in the center in the width direction of 500 mm of the three-dimensional network structures 10a and 10b.
- the width direction here corresponds to the long side direction of the arrangement of the hole groups 32a and 32b in the manufacturing process.
- the second chute 6 and the second water supply part 5c are provided, even if the plurality of filament aggregates 21a and 21b are pushed out, the inner surfaces of the filament aggregates 21a and 21b facing each other are adhered. Or the inner surfaces of the filament aggregates 21a, 21b facing each other can be compression-molded by the second chute 6, so that even if a plurality of sheets are extruded at a time, stable filament aggregates can be produced. it can.
- a plurality of groups of hole groups 32a and 32b parallel to the longitudinal direction are provided, and a non-formation region 33 in which no holes are formed between the hole groups 32a and 32b is formed parallel to the longitudinal direction. Even if it is wide, multiple sheets can be produced in one molding. In the case where there is an existing facility, it is possible to form a plurality of sheets by simply replacing the cap 3 with a plurality of rows without updating other facilities, and the cost for renewing the facility can be reduced.
- two three-dimensional network structures 10a and 10b can be manufactured at a time, the production efficiency is improved, and an increase in production that can only be dealt with by increasing the facilities in the conventional method is a single three-dimensional network structure manufacturing apparatus. 1 and the three-dimensional network structure can be manufactured more stably and in large quantities.
- the manufacturing cost of the base 3 can be reduced by preparing a mechanism capable of manufacturing two rows of three-dimensional network structures in advance. Very big. For example, if the hole groups 32a ′ and 32b ′ have different region widths (see FIG. 3A), the three-dimensional network structures 10a and 10b having different thicknesses can be manufactured as a set.
- holes 31 a and 31 b are provided on the entire bottom surface of the base 3, and arbitrary holes are selected in accordance with the desired setting position of the non-forming region 33, the thickness, shape, bulk density, etc. of the three-dimensional network structures 10 a and 10 b.
- 31a and 31b By using 31a and 31b and temporarily closing the other holes 31a and 31b, one base 3 can be used for general purposes.
- the base used without using the present invention can be applied to the embodiment of the present invention by setting the non-forming region 33 in this way, and the existing facilities can be used effectively. . That is, it is not necessary to produce the base 3 for each desired setting position of the non-formation region 33 and the thickness, shape, and bulk density of the three-dimensional network structures 10a, 10b, and the cost for the base 3 is greatly reduced. Become.
- the width D1a of the hole group 32a in the first row may not be the same as the width D1b of the hole group 32b in the second row.
- Two or more surfaces can be molded.
- the positions of the first chutes 4a and 4b are symmetric, but may be asymmetric.
- the inclination angle of the second chute 6 is preferably the same as that of the first chutes 4a and 4b, or the inclination angle is increased due to the structure.
- the three-dimensional network structures 10a and 10b are formed by closing arbitrary holes 31a and 31b or partially increasing the diameters of the holes 31a '' and 31b '' (see FIG. 3B).
- a portion with a low bulk density and a dense portion can be provided in the thickness direction (direction corresponding to D1 in FIG. 2 (a)) or the width direction (direction corresponding to D2 in FIG. 2 (a)).
- the present invention is not limited to this, and by adjusting the take-up speed by the take-up machines 8a and 8b and selecting the raw material for forming the filaments 20a and 20b, the direction of extrusion of the three-dimensional network structures 10a and 10b (corresponding to the arrows in FIG.
- Embodiment 1 it is suitable for a thin product with a low bulk specific gravity, such as a combination of cotton and nonwoven fabric.
- the present invention can be applied with or without the first chutes 4a and 4b.
- a high-density surface layer formed on the outside may be eliminated.
- FIG.6 (b) The case where the first chute 4a, 4b or the second chute 6 is not used will be described in detail in the third and subsequent embodiments.
- a three-dimensional network structure manufacturing apparatus 101 according to Embodiment 2 of the present invention will be described below with reference to FIGS.
- the reference numerals attached to the respective elements are the element numbers of the first embodiment in the 100s, the description is used, and the differences are mainly described.
- the two rows of hole groups 32a and 32b of the first embodiment are divided into three rows of hole groups 132a, 132b, and 132c, one non-formed region 33 is set to two non-formed regions 133a, 133b, and two openings.
- Chute 4 having 41 is changed to chute 104 having three openings 141, one second chute 6 is changed to two second chutes 106a and 106b, and one water supply part 5c is changed to two water supply parts 151c and 151d, respectively. Then, three three-dimensional network structures 110a, 110b, and 110c are manufactured at the same time. Since other configurations and manufacturing methods are basically the same as those of the first embodiment, the description is incorporated.
- the base 103 is formed with three hole groups 132 a, 132 b, 132 c in which a plurality of holes 131 a, 131 b, 131 c are arranged in a rectangle.
- a non-forming region 133a is formed between the hole groups 132a and 132b, and a non-forming region 133b is formed between the hole groups 132b and 132c.
- the second chutes 106a and 106b are provided between the chutes 104 at positions below the non-forming regions 133a and 133b, respectively, as shown in FIG. 10, FIG. 11 (b), and FIG.
- the second chute 106a is disposed between the longitudinal side portion 122b of the assembly 121a and the longitudinal side portion 122c of the assembly 121b shown in FIG. 14, and the second chute 106b is formed between the longitudinal side portion 122d of the assembly 121b and the assembly 121c. It arrange
- the second chute 106a has an inclined surface 146a inclined downward toward the aggregate 121a and an inclined surface 146b inclined downward toward the aggregate 121b.
- the second chute 106b has an inclined surface 146c that is inclined downward toward the aggregate 121b and an inclined surface 146d that is inclined downward toward the aggregate 121c.
- the inclined surface 146a of the second chute 106a extends to the position where it receives the long side portion 122b, and the inclined surface 146b extends to the position where it receives the long side portion 122c.
- the inclined surface 146c of the second chute 106b extends to the position where it receives the long side portion 122d, and the inclined surface 146d extends to the position where it receives the long side portion 122e.
- the water supply part 105c is a pipe located on the top part 106c below the center of the non-forming area 133a. Above the second chute 106a, an opening 151c is provided over substantially the entire width in the longitudinal direction, and water is supplied to each of the inclined surfaces 146a and 146b (see FIG. 10).
- the water supply part 105d is located on the top part 106d below the center of the non-formation area 133b. An opening 151d is provided over substantially the entire width in the longitudinal direction of the water supply unit 105c, and water, hot water, or hot water is supplied to each of the inclined surfaces 146c and 146d (see FIG. 10).
- the water supply units 105c and 105d are connected to a water supply source (not shown).
- a three-dimensional network structure 110a, 110b, 110c is manufactured as a method for manufacturing the three-dimensional network structures 110a, 110b, 110c according to Embodiment 2 of the present invention.
- the assembly 121b descends vertically and comes into contact with the second chutes 106a and 106b, the formation of a loop starts, passes through the central opening 141, reaches the water, and is driven by the take-up machines 108a and 108b.
- the surfaces come into contact with the aggregates 121a and 121c, respectively, and are conveyed downward. Other operations are the same as those in the first embodiment.
- a three-dimensional network-structure manufacturing apparatus 201 according to Embodiment 3 of the present invention will be described. Even though the symbols attached to the respective elements are the same as those in the first embodiment, the numbers are in the 200s to distinguish them from the first embodiment, the description is used, and the differences are mainly described.
- the water supply part 5c and the second chute 6 are deleted, and the two three-dimensional network structures 210a and 210b are simultaneously manufactured while further reducing the manufacturing cost.
- the third embodiment can be similarly applied to the second embodiment.
- the longitudinal chutes 204a and 204b are used. Instead, the short chutes 43a and 43b shown in FIG.
- the take-up machines 208a and 208b are three-dimensional network structures 210a and 210b. It is good also as pinching the transversal direction of 210b.
- a second chute 6j shown in FIG. 7B may be installed.
- the surface layer 12 (see FIG. 7 (a)) can be formed on the outer surface that contacts the chutes 204a and 204b.
- a three-dimensional network manufacturing apparatus 301 according to Embodiment 4 of the present invention will be described. Even though the reference numerals attached to the respective elements are the same as those in the first embodiment, the numbers 300 are used to distinguish them from the first embodiment, the description is used, and the differences are mainly described.
- the fourth embodiment as shown in FIG. 17, the first chutes 4a and 4b and the water supply portions 5a and 5b are deleted, and the two three-dimensional network structures 310a and 310b are further reduced while further reducing the manufacturing cost. Are manufactured at the same time.
- the fourth embodiment can be similarly applied to the second embodiment.
- the surface layer 12 (see FIG. 7A) is formed on one inner surface that contacts the chute 306.
- a three-dimensional network manufacturing apparatus 401 according to Embodiment 5 of the present invention will be described. Even if the reference numerals attached to the respective elements are the same as those in the first embodiment, the 400th order is used to distinguish them from the first embodiment, the description is used, and the differences are mainly described.
- the first chutes 4a, 4b, the water supply units 5a, 5b, 5c, and the second chutes 6 are deleted.
- the three-dimensional network structures 410a and 410b are manufactured simultaneously.
- the fifth embodiment can be similarly applied to the second embodiment.
- the base 503 includes two rows and two holes of groups 531a to 531d. Between the hole groups 531a and 531c and between the hole groups 531b and 531d, a hole group non-formation region 533 is provided in the length direction.
- Four solid network structures can be manufactured by one extrusion. As shown in FIG.
- the base 603 is provided with three hole groups 631a to 631f in two rows. Between the hole groups 631a, 631c, and 631e and between the hole groups 631b, 631d, and 631f, hole group non-forming regions 633 are provided, respectively.
- Six solid network structures can be manufactured by one extrusion.
- the base 703 includes two hole groups 731a to 731e in the upper stage and three in the lower stage, and the lengths of the upper and lower hole groups are different. Between the hole groups 731a and 731c and between the hole groups 731b, 731d and 731e, the hole group non-formation region 733 is provided in the length direction. Five solid network structures with different sizes can be manufactured by one extrusion.
- a base 803 is a modification of the base 703 in FIG. 19C, and the widths of the hole groups 831a and 831c and the hole groups 831b, 831d, and 831e are different. Between the hole groups 831a and 831c and between the hole groups 831b, 831d and 831e, the hole group non-formation region 833 is provided in the length direction. Five solid network structures with different sizes can be manufactured by one extrusion.
- a base 903 in FIG. 19E includes one hole group 931a in the upper stage, two hole groups 931b and 931c in the middle stage, and three 931d, 931e, and 931f in the lower stage.
- hole group non-forming regions 933a and 933b are provided in the length direction, respectively.
- Six solid network structures with different sizes can be manufactured by one extrusion. Note that the number of holes, the number of steps, the length, and the width of the hole group can be set as appropriate.
- the non-formation region of these hole groups the three-dimensional network structure is extruded in a state separated in the left-right direction. When the interval between these non-formation regions is narrow, adjacent filaments may come into contact with each other.
- the adjacent filament aggregates stick together, there is an advantage that the filament aggregates do not move left and right when the filament aggregates are taken up by the take-up machine.
- the short shoots similar to the chutes 43a, 43b, 143a, 143b, 143c of FIGS. 2 and 11 are connected to the second chutes 6, 106a, You may provide symmetrically (for example, mountain shape) so that it may orthogonally cross with 106b. There is no need for these shoots.
- a three-dimensional network structure manufacturing apparatus and a three-dimensional network structure according to the seventh embodiment of the present invention will be described. About a part which is common in said embodiment, description and illustration are abbreviate
- the reference numerals attached to the respective elements are the 1000s in the first embodiment.
- the hole groups 1031a and 1031b of the base 1003 are formed in a gourd-shaped region and are arranged side by side with a non-formed region 1033 therebetween.
- a plurality of pillows 1010 having a three-dimensional network structure can be manufactured at the same time using the base 1003.
- FIG. 8 A three-dimensional network structure manufacturing apparatus according to an eighth embodiment of the present invention and a three-dimensional network structure using the apparatus will be described. About a part which is common in said embodiment, description and illustration are abbreviate
- the reference numerals attached to the respective elements are the 1100s in the first embodiment.
- a pillow 1110 having a three-dimensional network structure having the same shape as that of the seventh embodiment is manufactured. As shown in FIG. 21A, the hole groups 1131a and 1131b are separated from the non-forming region 1133.
- the pillow 1110 is provided so that the longitudinal side faces thereof.
- the take-up machine 1108a comes into contact with the outer long side surface of the assembly 1121a, and the take-up machine 1108b comes into contact with the outer long side surface of the assembly 1121b and takes it up. That is, when these arrangement relationships are viewed from the width direction, the order is the take-up machine 1108a, the aggregate 1121a, the aggregate 1121b, and the take-up machine 1108b.
- FIG. 22 is a plan sectional view similar to FIG. Since the pillow 1110 is pulled while being partially compressed, the pillow 1110 should be cooled before being pinched by the takers 1108a and 1108b, and the structure thereof should be stabilized to some extent. Therefore, it is preferable to increase the distance from the base 1103 to the water surface, or to increase the distance from the water surface to the position where the clamping pressure is applied by the take-up machines 1108a and 1108b.
- the present invention can be used for cushions used for vehicle seats, beds, mats, etc., and seats used for covers.
- Three-dimensional network structure manufacturing apparatus 3 101, 203, 303, 403 Base 31a, 31b, 131a, 131b, 131c Hole 32a, 32b, 132a, 132b, 132c Hole group 33, 133a, 133b non-formation region 4,104 first chute 4a, 4b, 104a, 104b, 204a, 204b, 43a, 43b, 143a, 143b, 143c chute 41, 141 opening 44a, 44b, 45a, 45b, 46a, 46b, 144a , 144b, 145a, 145b, 145c, 146a, 146b, 146c, 146d Inclined surfaces 5a, 5b, 5c, 105a, 105b, 105c, 105d, 205a, 205b, 305c Water supply parts 51a, 51b, 51c, 151a, 151b, 1 1c, 151d, 251
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Abstract
Description
前記第1シュートの下方に配置され、一部水没または全部水没し前記集合体に接して水中で搬送する一対の引取機と、を備え、前記集合体が前記第1シュートと前記第2シュートの間を通過するときに、前記線条が不規則に絡まり合い熱融着することにより立体網状構造体を形成する立体網状構造体製造装置である。ここでいう水には温水または湯も含む。
No.7,625,629を参照されたい。
3,101,203,303,403 口金
31a,31b,131a,131b,131c 孔
32a,32b,132a,132b,132c 孔群
33,133a,133b 非形成領域
4,104 第1シュート
4a,4b,104a,104b,204a,204b,43a,43b,143a,143b,143c シュート
41,141 開口部
44a,44b,45a,45b,46a,46b,144a,144b,145a,145b,145c,146a,146b,146c,146d 傾斜面
5a,5b,5c,105a,105b,105c,105d,205a,205b,305c 水供給部
51a,51b,51c,151a,151b,151c,151d,251a,251b,351c 開口
6,106a,106b,306 第2シュート
7,107 水槽
8a,8b,108a,108b,208a,208b,308a,308b,408a,408b, 引取機
10a,10b,110a,110b,110c,210a,210b,310a,310b,410a,410b 立体網状構造体
20a,20b,120a,120b,220a,220b,320a,320b,420a,420b 線条
21a,21b,121a,121b,221a,221b,321a,321b,421a,421b, 集合体
22a,22b,22c,22d,122a,122b,122c,122d,122e,122f 長手側部
23a,23b,23c,23d,123a,123b,123c,123d,123e,123f 短手側部
61a,61b,161a,161b,261a,261b,361a,361b,461a,461b, 無端部材
63a,63b,64a,64b,163a,163b,164a,164b,263a,263b,264a,264b,363a,363b,364a,364b,463a,463b,464a,464b プーリー
D1,D101 口金3の幅
D1a 孔群32aの幅
D1b 孔群32bの幅
D101a 孔群132aの幅
D101b 孔群132bの幅
D101c 孔群132cの幅
S 傾斜面44a,45a,144a,144b最下部の間隔の幅
S1a 傾斜面44a,46aの最下部間隔の幅
S1b 傾斜面44b,46bの最下部間隔の幅
S2a 傾斜面44a,44bの長さ
S2b 傾斜面45a,46bの最下部間隔の長さ
S101a 傾斜面144a,146aの最下部間隔の幅
S101b 傾斜面146b,146cの最下部間隔の幅
S101c 傾斜面146d,144bの最下部間隔の幅
S102a 傾斜面144a,144bの長さ
S102b 傾斜面145a,146bの最下部間隔の長さ
H,H’ 水槽の水位
Claims (8)
- 複数列の孔群を備え、前記孔群の間に孔が形成されない非形成領域が形成され、前記孔から溶融した線条の集合体を複数列で下方に押し出して降下させる口金と、
前記口金の下方において前記集合体に向かって下方に傾斜する第1傾斜面を有し、隙間をあけて対向する一対の第1シュートと、
前記第1傾斜面に水を供給する第1水供給部と、
前記一対の第1シュートの隙間で前記非形成領域の下方の位置に設けられ、前記第1傾斜面と対向する第2傾斜面を有する第2シュートと、
前記第2傾斜面に水を供給する第2水供給部と、
前記第1シュートの下方に配置され、一部水没または全部水没し前記集合体に接して水中で搬送する一対の引取機と、を備え、
前記集合体が前記第1シュートと前記第2シュートの間を通過するときに、前記線条が不規則に絡まり合い熱融着することにより立体網状構造体を形成する立体網状構造体製造装置。 - a 複数個の孔から構成される複数列の孔群を備え、前記孔群の間に非形成領域が形成された口金から、溶融した熱可塑性樹脂の複数群の線条の集合体を所定間隔を開けて下方に押し出して降下させる降下ステップと、
b 前記集合体に向かって下方に傾斜する一対の第1シュートの上に水を流すとともに第2シュートの上に水を流し、前記線条を水に接触させることにより、前記線条を不規則に絡ませて熱融着させループを成形させ、前記第1シュートと前記第2シュートの間を通過させるループ形成ステップと、
c 一対の引取機により、前記集合体の降下より遅い速度で引き取ることにより、前記集合体を水没させ冷却固化する冷却固化ステップと、
を備えた立体網状構造体製造方法。 - 複数列の孔群を備え、前記孔群の間に孔が形成されない非形成領域が長手方向と平行に形成され、前記孔から溶融した線条の集合体を複数列で下方に押し出して降下させる口金と、
前記口金の下方において前記集合体に向かって下方に傾斜する傾斜面を有し、隙間をあけて対向する一対のシュートと、
前記傾斜面に水を供給する水供給部と、
前記シュートの下方に配置され、一部水没または全部水没し前記集合体に接して水中で搬送する一対の引取機と、を備え、
前記集合体が前記シュートの間を通過するときに、前記線条が不規則に絡まり合い熱融着することにより立体網状構造体を形成する立体網状構造体製造装置。 - a 複数個の孔から構成される複数列の孔群を備え、前記孔群の間に非形成領域が長手方向と平行に形成された口金から、溶融した熱可塑性樹脂の複数群の線条の集合体を所定間隔を開けて下方に押し出して降下させる降下ステップと、
b 前記集合体に向かって下方に傾斜する一対のシュートの上に水を流し、前記線条を水に接触させることにより、前記線条を不規則に絡ませて熱融着させループを成形させ、前記シュートの間を通過させるループ形成ステップと、
c 一対の引取機により、前記集合体の降下より遅い速度で引き取ることにより、前記集合体を水没させ冷却固化する冷却固化ステップと、
を備えた立体網状構造体製造方法。 - 複数列の孔群を備え、前記孔群の間に孔が形成されない非形成領域が形成され、前記孔から溶融した線条の集合体を複数列で下方に押し出して降下させる口金と、
頂部が前記非形成領域の下方の位置に設けられ、該頂部から前記集合体に向かって下方に傾斜し背向する傾斜面を有する一対のシュートと、
前記傾斜面に水を供給する水供給部と、
前記シュートの下方に配置され、一部水没または全部水没し前記集合体に接して水中で搬送する一対の引取機と、を備え、
前記集合体が前記シュートの両外側を通過するときに、前記線条が不規則に絡まり合い熱融着することにより立体網状構造体を形成する立体網状構造体製造装置。 - a 複数個の孔から構成され複数列の孔群を備え、前記孔群の間に非形成領域が形成された口金から、溶融した熱可塑性樹脂の複数群の線条の集合体を所定間隔を開けて下方に押し出して降下させる降下ステップと、
b 頂部が前記非形成領域の下方の位置に設けられ、該頂部から前記集合体に向かって下方に傾斜して背向する一対のシュートの上に水を流し、前記線条を水に接触させることにより、前記線条を不規則に絡ませて熱融着させループを成形させ、前記シュートの両外側を通過させるループ形成ステップと、
c 一対の引取機により、前記集合体の降下より遅い速度で引き取ることにより、複数群の前記集合体を水没させ冷却固化する冷却固化ステップと、
を備えた立体網状構造体製造方法。 - 平行な複数列の孔群を備え、前記孔群の間に孔が形成されない非形成領域が長手方向と平行に形成され、前記孔から溶融した線条の集合体を複数列で下方に押し出して降下させる口金と、
前記口金の下方に配置され、一部水没または全部水没し前記集合体に接して水中で搬送する一対の引取機と、を備え、
前記集合体が前記引取機の間を通過するときに、前記線条が不規則に絡まり合い熱融着することにより立体網状構造体を形成する立体網状構造体製造装置。 - a 複数個の孔から構成される長手方向と平行な複数列の孔群を備え、前記孔群の間に非形成領域が長手方向と平行に形成された口金から、溶融した熱可塑性樹脂の複数群の線条の集合体を長手方向と平行に所定間隔を開けて下方に押し出して降下させる降下ステップと、
b 一対の引取機が前記集合体の降下より遅い速度で引き取ることにより、前記線条を不規則に絡ませて熱融着させループを成形させ、複数群の前記集合体を水没させ冷却固化する冷却固化ステップと、
を備えた立体網状構造体製造方法。
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015154244A1 (zh) * | 2014-04-09 | 2015-10-15 | 耀亿工业股份有限公司 | 多重线材的立体弹性垫工艺 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5855736B2 (ja) * | 2013-12-24 | 2016-02-09 | 株式会社シーエンジ | 立体網状構造体製造装置及び立体網状構造体製造方法 |
FR3037789A1 (fr) * | 2015-06-23 | 2016-12-30 | Rondol Ind | Ligne de production pour la production de medicaments, et installation de production comprenant une telle ligne de production |
JP6664239B2 (ja) * | 2016-03-08 | 2020-03-13 | 株式会社エアウィーヴ | フィラメント3次元結合体製造装置、及びフィラメント3次元結合体 |
WO2017168771A1 (ja) * | 2016-04-01 | 2017-10-05 | 株式会社エアウィーヴマニュファクチャリング | フィラメント3次元結合体製造装置およびフィラメント3次元結合体の製造方法 |
CN113729439B (zh) * | 2016-06-30 | 2023-07-25 | 株式会社爱维福 | 垫用芯材及床用垫 |
JP6578518B2 (ja) * | 2017-09-25 | 2019-09-25 | リッチコミュニケーションズ株式会社 | 立体網状構造体 |
JP6704566B1 (ja) * | 2019-07-29 | 2020-06-03 | リッチコミュニケーションズ株式会社 | 立体網状構造体の製造装置及び製造方法 |
JP7441691B2 (ja) | 2020-03-23 | 2024-03-01 | 株式会社エアウィーヴ | フィラメント3次元結合体の製造装置および製造方法 |
CN112793109B (zh) * | 2021-01-13 | 2023-04-14 | 宁波木生家居有限公司 | 立体网状层的制造工艺 |
US20220314854A1 (en) * | 2021-03-31 | 2022-10-06 | Lear Corporation | Seat support |
US11807143B2 (en) | 2021-12-02 | 2023-11-07 | Lear Corporation | Vehicle seating system and method for producing same |
CN114318619B (zh) * | 2021-12-30 | 2023-04-14 | 江苏恒力化纤股份有限公司 | 一种提高网络复丝网络牢度的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001068967A1 (fr) * | 2000-03-15 | 2001-09-20 | C-Eng Co.,Ltd. | Structure tridimensionnelle du type filet, procede et dispositif pour la production de ladite structure |
JP2001328153A (ja) | 2000-03-15 | 2001-11-27 | Shiienji:Kk | 立体網状構造体の製造方法及び立体網状構造体の製造装置 |
WO2004063450A1 (ja) * | 2003-01-10 | 2004-07-29 | Ein Co., Ltd. Technical Center | スプリング構造樹脂成形品及び該スプリング構造樹脂成形品の表面層形成方法並びに装置 |
WO2012035736A1 (ja) * | 2010-09-15 | 2012-03-22 | 株式会社ウィーヴァジャパン | 網状構造体製造装置および網状構造体製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2431871C3 (de) * | 1974-07-03 | 1978-10-12 | Akzo Gmbh, 5600 Wuppertal | Verfahren und Düsenplatte zur Herstellung einer elastischen Mattenbahn |
GB2251255A (en) * | 1988-02-09 | 1992-07-01 | Risuron Kk | Mat consisting of fused filament loop aggregations |
JPH01207463A (ja) * | 1988-02-09 | 1989-08-21 | Risuron:Kk | フィラメントループ集合体からなるマット及びその製造方法 |
US8757996B2 (en) * | 2000-03-15 | 2014-06-24 | C-Eng Co., Ltd. | Apparatus and method for manufacturing three-dimensional netted structure |
-
2012
- 2012-09-10 JP JP2012198530A patent/JP5165809B1/ja active Active
-
2013
- 2013-08-27 MY MYPI2014700753A patent/MY170593A/en unknown
- 2013-08-27 BR BR112014001603-8A patent/BR112014001603B1/pt active IP Right Grant
- 2013-08-27 KR KR1020147001436A patent/KR102002393B1/ko active IP Right Grant
- 2013-08-27 WO PCT/JP2013/005037 patent/WO2014038151A1/ja active Application Filing
- 2013-08-27 TR TR2018/20864T patent/TR201820864T4/tr unknown
- 2013-08-27 US US14/125,594 patent/US9440390B2/en active Active
- 2013-08-27 EP EP13818645.7A patent/EP2894246B1/en active Active
- 2013-08-27 CN CN201380002233.9A patent/CN103827376B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001068967A1 (fr) * | 2000-03-15 | 2001-09-20 | C-Eng Co.,Ltd. | Structure tridimensionnelle du type filet, procede et dispositif pour la production de ladite structure |
JP2001328153A (ja) | 2000-03-15 | 2001-11-27 | Shiienji:Kk | 立体網状構造体の製造方法及び立体網状構造体の製造装置 |
JP4350286B2 (ja) | 2000-03-15 | 2009-10-21 | 株式会社シーエンジ | 立体網状構造体の製造方法、立体網状構造体の製造装置および立体網状構造体 |
US7625629B2 (en) | 2000-03-15 | 2009-12-01 | C-Eng Co., Ltd. | Three-dimensional net-like structure, and method and device for producing three dimensional net-like structure |
WO2004063450A1 (ja) * | 2003-01-10 | 2004-07-29 | Ein Co., Ltd. Technical Center | スプリング構造樹脂成形品及び該スプリング構造樹脂成形品の表面層形成方法並びに装置 |
WO2012035736A1 (ja) * | 2010-09-15 | 2012-03-22 | 株式会社ウィーヴァジャパン | 網状構造体製造装置および網状構造体製造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2894246A4 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015154244A1 (zh) * | 2014-04-09 | 2015-10-15 | 耀亿工业股份有限公司 | 多重线材的立体弹性垫工艺 |
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BR112014001603B1 (pt) | 2022-03-29 |
KR102002393B1 (ko) | 2019-07-22 |
CN103827376B (zh) | 2017-06-09 |
CN103827376A (zh) | 2014-05-28 |
EP2894246B1 (en) | 2018-10-24 |
EP2894246A1 (en) | 2015-07-15 |
EP2894246A4 (en) | 2016-04-20 |
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