KR101719610B1 - Apparatus and Methode for Producting Plastic coated Bio-Fiber Rope pellet - Google Patents

Apparatus and Methode for Producting Plastic coated Bio-Fiber Rope pellet Download PDF

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Publication number
KR101719610B1
KR101719610B1 KR1020140149397A KR20140149397A KR101719610B1 KR 101719610 B1 KR101719610 B1 KR 101719610B1 KR 1020140149397 A KR1020140149397 A KR 1020140149397A KR 20140149397 A KR20140149397 A KR 20140149397A KR 101719610 B1 KR101719610 B1 KR 101719610B1
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South Korea
Prior art keywords
plastic
natural fiber
fiber rope
thermoplastic
injection
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KR1020140149397A
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Korean (ko)
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KR20160050685A (en
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손근수
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손근수
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/90—Fillers or reinforcements, e.g. fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B29B9/14—Making granules characterised by structure or composition fibre-reinforced
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • 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
    • B29C48/04—Particle-shaped
    • 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
    • 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154—Coating solid articles, i.e. non-hollow articles
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/79—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling of preformed parts or layers
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/865—Heating

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The present invention relates to a device for producing a thermoplastic resin extrusion-coated natural fiber rope injection type pellet and a method for producing the extrusion-coated natural fiber rope extrusion type thermoplastic resin pellet using the same, wherein the plant natural materials flax, hemp, jute, kenaf, abaca, bamboo, coir, pineapple, ramie, sisal, henequen, hemp, rice straw, (PE), poly (ethylene terephthalate), polyvinyl chloride (PVC), ethylene-vinyl acetate (EVA), nylon, and polyvinyl chloride are added to natural fiber rope (F) processed with vegetable natural materials, And a thermoplastic universal plastic (R) comprising at least one of PET (polyethyleneterephthalate) and PET (polyethyleneterephthalate), wherein the plastic injection part 111, The body 113, the annular connecting passage 114, the rope inlet means 11 Wherein the injection coating apparatus comprises at least one of an injection molding apparatus and an injection molding apparatus, the injection molding apparatus comprising: And a pelletizer (120) for cutting the natural fiber rope (F) coated on the outer surface with the thermoplastic universal plastic (R) into a pellet shape. The thermoplastic universal plastic (R) Type pellet production apparatus (100) and a method for producing extrusion-coated natural fiber rope injection type pellets using the same.

Description

TECHNICAL FIELD [0001] The present invention relates to an apparatus for producing extruded natural fiber rope extruded pellets and a thermoplastic resin extrusion coated extruded natural fiber rope extruded molded article using the same,

The present invention relates to a device for producing a thermoplastic resin extrusion-coated natural fiber rope injection type pellet and a method for producing the extrusion-coated natural fiber rope extrusion type thermoplastic resin pellet using the same, wherein the plant natural materials flax, hemp, jute, kenaf, abaca, bamboo, coir, pineapple, ramie, sisal, henequen, hemp, rice straw, (PE), poly (ethylene terephthalate), polyvinyl chloride (PVC), ethylene-vinyl acetate (EVA), nylon, and polyvinyl chloride are added to natural fiber rope (F) processed with vegetable natural materials, And a thermoplastic universal plastic (R) containing at least one of PET, polyethyleneterephthalate (PET) to produce a thermoplastic resin extrusion-coated natural fiber rope injection type pellet (P)

A plastic injection part 111 to which the thermoplastic universal plastic R is injected and melted by the plastic heater 112a; a body 113 coupled to the lower side of the plastic injection part 111; An annular connecting passage 114 formed in the inside of the body 113 and through which molten thermoplastic universal plastic R supplied from the plastic injecting section 111 passes; A rope pulling means 116 connected to the rope pulling means 116 to feed the natural fiber rope F and feed the rope pulling means 116 to the rope pulling means 116, An inner die 118 formed with a through hole 118a through which the fiber rope F passes and an inner die 118 formed between the inner die 118 and the outer surface of the body 113 to form a coating chamber 117. [ And the thermoplastic universal plastic (R) is coated on the outer surface of the cloth A discharge die 119 in which a discharging hole 119a through which the fiber rope F is to be extruded is formed and a thermoplastic universal plastic R which is melted in the coating chamber 117 from the annular connecting passage 114, A plurality of plastic supply holes 115 formed to supply uniformly; An injection coating apparatus 110 comprising:

And a pelletizer 120 for cutting the natural fiber rope F coated with the thermoplastic universal plastic P into a pellet shape on an outer surface of the injection coating apparatus 110. [ The present invention relates to an extrusion-coated thermoplastic resin extrusion-coated natural fiber rope injection-type pellet manufacturing apparatus 100 and a method of manufacturing extruded natural fiber rope extrusion-type pellets using the same.

The currently used natural fiber reinforced composite materials are manufactured by mixing polymer fibers which are excellent in adhesion with natural fibers having high strength and rigidity modified by surface treatment and suitable for the purpose of use such as toughness or heat resistance, , Electronic parts, sports / leisure goods, as well as materials for defense and aerospace industries.

In the process of manufacturing such a natural fiber composite material, a pellet or a granule-shaped resin is extruded using a compounding machine or an extruder using a mixer at a melting temperature together with a natural fiber in the form of a discontinuous short fiber, I am using the method. Representative examples of such thermoforming include a method of thermo compression molding and a molding compound thinly coated with a molten matrix resin, a toe preg, and a press molding method in a prepreg state. One of the molding methods frequently used in the production of a composite material is an interleaving method or a film insert stacking method in which a thermoplastic film or sheet for a matrix is interspersed and molded between natural fiber layers. In the above-mentioned conventional method, in order to obtain a successful composite material, the laminated film positioned between the reinforcing fiber layers at the time of molding sufficiently melts, so that the resin is impregnated well between the fiber layers. For this effective impregnation, the biocomposite material is relatively easily prepared when the content of fiber and matrix resin is controlled and the compression molding conditions of temperature-pressure-time are optimized.

As a conventional invention relating to a method of manufacturing a natural long fiber reinforced injection type composite material, there is a method of manufacturing a natural long fiber reinforced injection type composite material and a natural long fiber reinforced injection type composite material using the same (Japanese Patent Application No. 10-1322603) discloses the use of vegetable natural materials such as flax, hemp, jute, kenaf, abaca, bamboo, coir long fibers having a length of 30 to 90 mm obtained from a vegetable natural material (10) including rice, corn, rice, pineapple, ramie, sisal, henequen, (PE), PVC (polyvinyl chloride), EVA (Ethylene-Vinyl Acetate), Nylon (polyvinyl acetate), and the like are mixed at a mixing ratio of 10% by weight to 50% , And a thermoplastic universal plastic (30) comprising PET (poly ethylen terephthalate); and a mixing step (S1) of mixing in the mixing step (S1) Pre-Web manufacturing to manufacture a pre-web 40 after splitting and shrinking the natural fiber material 20 and the universal plastic 30, The pre-web 40 is punched by a needle punch to form a strand, and a twisted structure is formed by using a brazing machine to melt at 180 ° C to 200 ° C, A pelletizing step (S3) of preparing a natural long fiber reinforced injection-type bio-composite material pellet (50) by using a pelletizer; And the like.

However, the existing invention of Patent Document 1 has an advantage that the produced injection material has excellent characteristics, but the manufacturing method is relatively complicated.

Patent Document 1: Korean Patent No. 10-1322603

It is an object of the present invention to solve the above-mentioned problems of the prior art, and to provide a method of manufacturing an injection molding machine, in which a thermoplastic resin is coated on a surface through melt extrusion using an environmentally friendly natural fiber rope in a relatively simple and efficient structure, A method for producing a natural fiber-reinforced injection-molded composite material capable of freely molding products having various designs and shapes without waste generated during molding, and a natural fiber-reinforced biocomposite material using the same.

In addition, it can be used not only for various industrial materials such as indoor interior materials for construction, automobile parts and cases for electronic products, household products, medical supplies, etc., but also to provide a material which is environmentally friendly at the time of disposal, I will do it.

In order to achieve the above object, the present invention provides an extruded natural fiber rope extrusion type pelletizer for producing thermoplastic resin extruded natural fiber rope extruded pellets, which comprises natural vegetable flax, hemp, jute, kenaf, It includes at least one of abaca, bamboo, coir, pineapple, ramie, sisal, henequen, hemp, rice straw, rice husks, wood flour, (PP), PE (PolyEthylene), PVC (polyvinyl chloride), EVA (Ethylene-Vinyl Acetate), Nylon, and PET (poly ethylen terephthalate) to a natural fiber rope (P) by coating a thermoplastic universal plastic (R) containing the above-mentioned thermoplastic general-purpose plastics (R)

A plastic injection part 111 to which the thermoplastic universal plastic R is injected and melted by the plastic heater 112a; a body 113 coupled to the lower side of the plastic injection part 111; An annular connecting passage 114 formed in the inside of the body 113 and through which molten thermoplastic universal plastic R supplied from the plastic injecting section 111 passes; A rope pulling means 116 connected to the rope pulling means 116 to feed the natural fiber rope F and feed the rope pulling means 116 to the rope pulling means 116, An inner die 118 formed with a through hole 118a through which the fiber rope F passes and an inner die 118 formed between the inner die 118 and the outer surface of the body 113 to form a coating chamber 117. [ And the thermoplastic universal plastic (R) is coated on the outer surface of the cloth A discharge die 119 in which a discharging hole 119a through which the fiber rope F is to be extruded is formed and a thermoplastic universal plastic R which is melted in the coating chamber 117 from the annular connecting passage 114, A plurality of plastic supply holes 115 formed to supply uniformly; An injection coating apparatus 110 comprising:

And a pelletizer 120 for cutting the natural fiber rope F coated with the thermoplastic universal plastic P into a pellet shape on an outer surface of the injection coating apparatus 110. [ do.

The discharge hole 119a further includes a conical portion 119b that extends conically in the direction of the coating chamber 117. The angle of extension of the conical portion 119b is 3 to 5 degrees .

The discharge die 119 is further provided with a discharge die heater 112b and the operation temperature of the injection coating apparatus 110 is 180 to 220 ° C.

Further, the rope guiding means 116 is formed of a die puller screw.

According to the present invention, by forming a pellet by coating a natural fiber rope with a thermoplastic resin, injection molding is facilitated, and a product having excellent mechanical properties and no waste generated during molding can be freely molded There is an advantage that it can be.

In addition, it can be used for a variety of industrial materials such as indoor interior materials for buildings, automobile interior materials, electronic product cases, household products, and medical supplies, and also provides a material with less environmentally harmful chemical substances.

1 is a view showing a constitution of an apparatus for producing extruded natural fiber rope extruded pellets according to an embodiment of the present invention;
Fig. 2: Thermoplastic resin extrusion coating according to one embodiment of the present invention.

Hereinafter, a method for manufacturing a thermoplastic resin extrusion-coated natural fiber rope injection type pellet according to an embodiment of the present invention and a method for producing a thermoplastic resin extrusion-coated natural fiber rope injection type pellet using the same will be described in detail with reference to the accompanying drawings. First, it should be noted that, in the drawings, the same components or parts are denoted by the same reference numerals whenever possible. In describing the present invention, a detailed description of known functions and configurations incorporated herein will be omitted so as to avoid obscuring the subject matter of the present invention.

First, an apparatus for producing a thermoplastic resin extrusion-coated natural fiber rope injection type pellet according to one embodiment of the present invention will be described. The thermoplastic resin extrusion-coated natural fiber rope injection type pellet manufacturing apparatus according to one embodiment of the present invention is made of vegetable natural materials such as flax, hemp, jute, kenaf, abaca Vegetable natural products including at least one of bamboo, coir, pineapple, ramie, sisal, henequen, hemp, rice straw, rice hull, wood flour, (P), PE (PolyEthylene), PVC (polyvinyl chloride), EVA (Ethylene-Vinyl Acetate), Nylon, and PET (poly ethylen terephthalate) to the natural fiber rope (P) by coating a thermoplastic universal plastic (R) on a thermoplastic resin extrusion coated with a thermoplastic universal plastic (R). The extrusion coating apparatus (110) and the pelletizer 120).

1, the injection coating apparatus 110 includes a plastic injection section 111, a body 113, an annular connection passage 114, a rope inlet means 116, an inner die 118, A die 119 and a plastic supply hole 115. [

The plastic injection portion 111 is a component to which the thermoplastic universal plastic R is injected and melted by the plastic heater 112a.

A body 113 is coupled to the lower side of the plastic injection part 111 as shown in FIG. 1, an annular connection passage 114 (see FIG. 1) through which the molten thermoplastic universal plastic R supplied from the plastic injection section 111 passes is formed inside the body 113, ) Is further formed so that the melted thermoplastic universal plastic R can be uniformly supplied to the coating chamber 117, which will be described later, through the upper, lower, left, and right sides.

1, a rope pulling means 116 for pulling and feeding the natural fiber rope F is connected to one side of the body 113. As shown in FIG. In this case, it is possible to implement a very wide variety of embodiments in which the rope pulling means 116 is implemented. In one embodiment, the rope pulling means 116 is preferably composed of a die puller screw Do.

As shown in FIG. 1, the body 113 is provided with an inner die having a through hole 118a through which the natural fiber rope F fed from the rope pulling means 116 is passed, (118). 1, the other side of the body 113 is provided with a coating chamber 117 between itself and the inner die 118, and the outer surface of the body 113 is coated with the thermoplastic universal plastic (R) A discharge die 119 in which a discharge hole 119a through which the natural fiber rope F is extruded is formed. In this case, a plurality of plastic supply holes 115 are formed in the body 113 to uniformly supply the molten thermoplastic universal plastic R from the annular connecting passage 114 to the coating chamber 117.

The discharge hole 119a may further include a conical portion 119b that extends conically in the direction of the coating chamber 117 for smooth coating injection operation. The expansion angle of the conical portion 119b ) Is preferably 3 to 5 DEG.

The operating temperature of the injection coating apparatus 110 is preferably in the range of 180 to 220 캜 so that the thermoplastic universal plastic R can be sufficiently attached to the natural fiber rope F and coated thereon. To this end, it is preferable that a discharge die heater 112b is further installed in the discharge die 119.

Next, the pelletizer 120 will be described. As shown in FIG. 1, the pelletizer 120 cuts the natural fiber rope (F) coated with the thermoplastic universal plastic (R) on the outer surface of the injection coating apparatus (110) . The technology for implementing the pelletizer 120 having such a configuration and the function is a technology that is widely known and used in the technical field of the present invention, and a detailed description thereof will be omitted.

In the foregoing, optimal embodiments have been disclosed in the drawings and specification. Although specific terms have been employed herein, they are used for purposes of illustration only and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

F: Natural fiber rope
R: Thermoplastic universal resin
P: thermoplastic resin extrusion coating natural fiber rope injection type pellet
100: thermoplastic resin extrusion coating natural fiber rope injection type pellet manufacturing device
110: Injection coating device
111: plastic injection part
112a: Plastic heater
112b: Discharge die heater
113: body 114: annular connecting passage
115: plastic feed hole 116: rope entry means
117: Coating chamber
118: inner die 118a: through hole
119: Discharge die 119a: Discharge hole
119b: conical portion
115: Dipuller screw
120: Pelletizer

Claims (5)

The natural vegetable materials such as flax, hemp, jute, kenaf, abaca, bamboo, coir, pineapple, ramie, PP (PolyPropylene), PE (PolyEthylene), and the like are added to a natural fiber rope (F) processed with vegetable natural materials including at least one of sisal, henequen, hemp, straw, rice hull, wood powder, A thermoplastic universal plastic (R) containing at least one of polyvinyl chloride (PVC), ethylene vinyl acetate (EVA), nylon, and PET (poly ethylen terephthalate) is coated to form a thermoplastic resin extrusion-coated natural fiber rope injection pellet P), comprising:
A plastic injection part 111 into which the thermoplastic universal plastic R is injected and which is melted by the plastic heater 112a;
A body 113 coupled to a lower side of the plastic injection part 111;
An annular connecting passage 114 formed in the inside of the body 113 and passing through the melted thermoplastic universal plastic R supplied from the plastic inlet 111;
A rope pulling means 116 connected to one side of the body 113 to feed and feed the natural fiber rope F;
An inner die 118 provided inside the body 113 and having a through hole 118a through which the natural fiber rope F fed from the rope pulling means 116 is passed;
Wherein the natural fiber rope F coated on the outer surface of the body 113 and coated with the thermoplastic universal plastic (R) is extruded on the other side of the body 113 to form a coating chamber 117 with the inner die 118, A discharge die 119 having a discharge hole 119a formed therein;
A plurality of plastic supply holes 115 formed to uniformly supply the molten thermoplastic universal plastic (R) from the annular connecting passage (114) to the coating chamber (117); An injection coating apparatus 110 comprising:
And a pelletizer 120 for cutting the natural fiber rope F coated with the thermoplastic universal plastic P into a pellet shape on an outer surface of the injection coating apparatus 110. [ A thermoplastic resin extrusion coated natural fiber rope extrusion type pelletizing apparatus (100).
The method according to claim 1,
The discharge hole 119a further includes a conical portion 119b which is conically extended in the direction of the coating chamber 117,
Wherein an expansion angle (?) Of the conical portion (119b) is 3 to 5 degrees. The method according to claim 1,
The discharge die 119 is further provided with a discharge die heater 112b,
Wherein the injection coating apparatus (110) has an operating temperature of 180 to 220 ° C.
The method according to claim 1,
An apparatus (100) for manufacturing a thermoplastic resin extrusion-coated natural fiber rope injection-type pellet, wherein the rope-pulling means (116) comprises a die puller screw. delete
KR1020140149397A 2014-10-30 2014-10-30 Apparatus and Methode for Producting Plastic coated Bio-Fiber Rope pellet KR101719610B1 (en)

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Cited By (1)

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KR101869514B1 (en) 2017-10-31 2018-06-20 한국이엠 주식회사 Die structure for manufacturing resin pellet

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KR102022428B1 (en) * 2017-12-05 2019-09-18 허남일 Method for manufacturing of anti-fouling fishing net
USD934113S1 (en) * 2018-11-02 2021-10-26 Multi Trend Corporation Limited Eye tape
KR102148571B1 (en) * 2018-11-22 2020-08-26 손근수 Manufacturing Methode for Natural fiber composite material for injection molding using Reduced nozzle heating jig
USD971078S1 (en) * 2020-06-12 2022-11-29 Multi Trend Corporation Limited Fastener

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KR100618115B1 (en) * 2005-01-05 2006-08-30 주식회사 토비이앤지 Method for pelletizing the fibroid materials by two step
KR101322603B1 (en) * 2010-06-10 2013-10-29 손근수 Method for Producting Enjectable Long fiber Reinforced BioComposite Material
KR101322598B1 (en) * 2010-06-10 2013-10-29 손근수 Producting methode for Injection Composite Material Using Natural fiber particle

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JP5564670B2 (en) * 2007-11-30 2014-07-30 株式会社神戸製鋼所 Natural fiber reinforced thermoplastic resin injection molded products

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Publication number Priority date Publication date Assignee Title
KR100618115B1 (en) * 2005-01-05 2006-08-30 주식회사 토비이앤지 Method for pelletizing the fibroid materials by two step
KR101322603B1 (en) * 2010-06-10 2013-10-29 손근수 Method for Producting Enjectable Long fiber Reinforced BioComposite Material
KR101322598B1 (en) * 2010-06-10 2013-10-29 손근수 Producting methode for Injection Composite Material Using Natural fiber particle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101869514B1 (en) 2017-10-31 2018-06-20 한국이엠 주식회사 Die structure for manufacturing resin pellet

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