KR20150001159A - Frp pipe producing apparatus - Google Patents

Frp pipe producing apparatus Download PDF

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Publication number
KR20150001159A
KR20150001159A KR1020130073932A KR20130073932A KR20150001159A KR 20150001159 A KR20150001159 A KR 20150001159A KR 1020130073932 A KR1020130073932 A KR 1020130073932A KR 20130073932 A KR20130073932 A KR 20130073932A KR 20150001159 A KR20150001159 A KR 20150001159A
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KR
South Korea
Prior art keywords
bundle
fiber
guide
yarns
reinforced plastic
Prior art date
Application number
KR1020130073932A
Other languages
Korean (ko)
Inventor
노세극
Original Assignee
동일산자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 동일산자 주식회사 filed Critical 동일산자 주식회사
Priority to KR1020130073932A priority Critical patent/KR20150001159A/en
Publication of KR20150001159A publication Critical patent/KR20150001159A/en

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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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
    • B29C70/521—Pultrusion, i.e. forming and compressing by continuously pulling through a die and impregnating the reinforcement before the die
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
    • B29C70/525—Component parts, details or accessories; Auxiliary operations
    • B29C70/527—Pulling means
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/52—Pultrusion, i.e. forming and compressing by continuously pulling through a die
    • B29C70/525—Component parts, details or accessories; Auxiliary operations
    • B29C70/528—Heating or cooling
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B29C70/545—Perforating, cutting or machining during or after moulding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D23/00—Producing tubular articles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

An apparatus for manufacturing a hollow tube made of a fiber reinforced plastic material is disclosed. An apparatus for manufacturing a hollow tube made of a fiber reinforced plastic material according to the present invention comprises a winding roll for supplying a plurality of fiber yarns made of a fiber reinforced plastic material and a guider having a plurality of fiber yarns passing therethrough, A supply section; A guide mold in which a plurality of fiber yarns are formed on an outer circumferential surface so as to form a circular guide, a guide mold disposed on both sides of the circular guide and through which the plurality of fiber yarns are passed; A coil ring portion for winding up bundle yarns around the outer circumferential surface of the cylindrical bundle discharged from the guide mold; A bundle supplying unit for bundling and wrapping a bundle of reinforcing fibers made of fiber reinforced plastic on the outer circumferential surface of the bundle of cylindrical bundles which are bundled and tightly bundled; A resin supply unit for supplying and impregnating resin to the outer circumferential surface of the cylindrical bundle in which the reinforcing yarn is in close contact with the outer periphery; A heating mold for heating and curing a cylindrical bundle coated with a resin in the resin supply portion to complete a tubular body; A tensioner for continuously pulling the cured tube; And a cutter for cutting the tubular body passed through the stretching machine at regular intervals.
According to the present invention, there is an effect that a hollow tube made of a fiber-reinforced plastic material that is eco-friendly and exhibits excellent performance can be easily manufactured by winding the fiber-reinforced plastic bundle into a hollow cylindrical shape and resin-

Description

TECHNICAL FIELD [0001] The present invention relates to an apparatus for manufacturing a hollow tube made of fiber reinforced plastic (FRP PIPE PRODUCING APPARATUS)

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for manufacturing a hollow tube made of a fiber-reinforced plastic material, and more particularly to a fiber-reinforced plastic tube made of a fiber-reinforced plastic bundle wound in a hollow cylindrical shape, The present invention relates to an apparatus for manufacturing a hollow tube made of a reinforced plastic material.

Generally, as is well known, steel pipes have been generally manufactured with low cost carbon steel and have been used for corrosion resistance such as zinc plating and painting.

In addition, although resin-based tubes with excellent corrosion resistance are used, hygienic and highly corrosion-resistant materials such as stainless steel pipes are required for heat curing and environmental and cosmetic reasons. The use of such high-quality material tubes is increasingly increasing. There have been many cases where it is required to be used.

Since these materials are expensive metal materials, it has been necessary to fabricate a fluid contact with a thin plate and a synthetic resin system free from external chemicals and electric corrosion.

Korean Patent Registration No. 0721286 discloses a "plastic tube extrusion die and a tube extruder using the same".

According to the prior art, a plastic tube extrusion die in which an inner mold and an outer mold are spaced apart from each other to allow a hollow tube to be extruded is provided. The plastic tube extrusion die is located between the inner mold and the outer mold, A plurality of outer molds formed in a right triangular shape and symmetrically arranged in a left-right direction at a predetermined interval in the circumferential direction toward the outside of the tubular body toward the outside of the tubular body, and a plurality of outer molds elongated in the longitudinal direction of the tubular body; And a plurality of inner molds which are connected to one of the first and second molds and whose long sides are formed in an isosceles triangle shape and whose bottom faces toward the inside of the tubular body and are spaced apart from each other at regular intervals between the oblique faces of the outer mold, Plastics using plastic tube extrusion mold The tubular extruder is related to an inner mold and an outer mold which are spaced apart from each other so that a hollow tube is extruded, a plastic tubular extrusion mold, and a spraying portion for injecting a plastic injection liquid between the inner mold and the outer mold.

On the other hand, the extrusion-molded synthetic resin tube according to the prior art has a problem in that the manufacturing process is complicated, the production cost is increased, and the durability is low, so that it can not withstand high pressure.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a fiber reinforced plastic material which is wound around a hollow cylindrical cylinder, And an object of the present invention is to provide an apparatus for manufacturing a hollow tube.

It is an object of the present invention to provide a material supply apparatus comprising a material supply unit composed of a take-up roll for supplying a plurality of fiber yarns made of a fiber-reinforced plastic material, and a guider through which a plurality of fiber yarns discharged from the take- A guide mold in which a plurality of fiber yarns are formed on an outer circumferential surface so as to form a circular guide, a guide mold disposed on both sides of the circular guide and through which the plurality of fiber yarns are passed; A coil ring portion for winding up bundle yarns around the outer circumferential surface of the cylindrical bundle discharged from the guide mold; A bundle supplying unit for bundling and wrapping a bundle of reinforcing fibers made of fiber reinforced plastic on the outer circumferential surface of the bundle of cylindrical bundles which are bundled and tightly bundled; A resin supply unit for supplying and impregnating resin to the outer circumferential surface of the cylindrical bundle in which the reinforcing yarn is in close contact with the outer periphery; A heating mold for heating and curing a cylindrical bundle coated with a resin in the resin supply portion to complete a tubular body; A tensioner for continuously pulling the cured tube; And a cutting device for cutting the tubular body passed through the stretching machine at regular intervals. The apparatus for manufacturing a hollow tubular body made of a fiber-reinforced plastic material according to claim 1,

The guider of the material supply unit is formed such that a plurality of holes are formed in the longitudinal direction and the transverse direction, and the fiber yarn is passed through the plurality of holes while being drawn out into a plurality of strands, and the plurality of holes are circular or square.

The guide mold is composed of a front plate and a rear plate attached to both ends of the circular notch, and a plurality of through holes are formed in the front plate so as to allow the fiber yarn to pass therethrough. The through holes formed in the front plate correspond to the outer periphery of the circular notch And a flange is formed on the rear plate so as to form a circular slit through which the fiber bundle bundle passed through the front plate and adhered to the outer circumferential surface of the circular notch can be passed.

Wherein the coil ring portion is formed at one side of the guide metal mold and the cylindrical bundle passes through the guide pipe; A plate mounted on an outer periphery of the guide tube; And a plurality of bundle thread take-up rollers formed on the plate material and arranged on the outer circumference of the guide tube in a circumferential direction, and the bundle thread take-up rollers are taken out and wound around the outer circumference of the cylindrical bundle bundle.

And a plurality of guide rings are formed on the outer periphery of the guide tube to guide the bundle drawn out from the plurality of bundle thread take-up rollers.

Wherein the reinforcing yarn supplying portion includes a reinforcing yarn guide formed on both sides of the coiled portion and having holes through which a plurality of reinforcing yarns pass, A plurality of through holes through which the reinforcing yarns are passed to form a plurality of through holes through which the cylindrical bundle which is coiled and drawn out from the coil ring portion passes, And a second portion.

According to the present invention, it is possible to easily produce a hollow tube made of a fiber-reinforced plastic material that is eco-friendly and exhibits excellent performance by winding a fiber-reinforced plastic bundle into a hollow cylindrical shape and resin- have.

Also, the hollow tube body to be manufactured has a double layer structure of an inner layer and an outer layer, so that the tensile strength and durability can be remarkably improved.

1 is a plan view showing an apparatus for manufacturing a hollow tube made of a fiber-reinforced plastic material according to the present invention,
FIG. 2 is a photograph showing a 'material supply unit' in FIG. 1,
FIG. 3 is a photograph showing a 'guide mold' in FIG. 1,
FIG. 4 is a photograph showing a 'coiled portion' and an 'auxiliary guide' in FIG. 1,
FIG. 5 is a photograph showing an image of a 'co-pilot guide' in FIG. 1,
FIG. 6 is a photograph showing a resin supply portion and a heating mold in FIG. 1; FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a plan view of an apparatus for manufacturing a hollow tube made of a fiber-reinforced plastic material according to the present invention, FIG. 2 is a photograph showing a 'material supply unit' FIG. 4 is a photograph showing a 'coiling portion' and a 'co-operating guide' in FIG. 1, FIG. 5 is a photograph showing a 'co-pilot guide' Is a photograph showing a "resin supply portion" and a "heating mold" in FIG.

1 to 6, an apparatus for manufacturing a hollow tube made of a fiber-reinforced plastic material according to the present invention includes: a winding roll 12 for supplying a plurality of fiber yarns 100 made of synthetic resin; A material supply part (1) composed of a guider (14) through which a plurality of fiber yarns (100) discharged from a winding roll (12) pass; A guide mold 2 formed with a cylindrical jig 21 such that the plurality of fiber yarns 100 are densely packed on the outer circumferential surface and disposed on both sides of the cylindrical jig 21 and through which the plurality of fiber yarns 100 pass; A coil ring portion 3 that winds the bundle 300 on the outer circumferential surface of the cylindrical bundle 200 discharged from the guide mold 2 and binds the bundle 300; A reinforcing yarn supplying unit 4 for tightly covering the reinforcing yarn 400 made of fiber-reinforced plastic on the outer circumferential surface of the cylindrical bundle 200 tightly bundled with the bundling yarn 300; A resin supply part 5 for supplying and impregnating resin to the outer circumferential surface of the cylindrical bundle 200 adhered to the outer periphery of the auxiliary yarn 400; A heating mold 6 for heating and curing the resin-coated cylindrical bundle 200 in the resin supply unit 5 to complete the tubular body P; A tensioner 7 for continuously pulling the cured pipe P; And a cutter (not shown) for cutting the tubular body P having passed the stretching machine 7 at regular intervals.

As the fiber yarn 100, fiber reinforced plastic (FRP) is suitable, and CFM (Continuous Filament Mat) is particularly preferable.

CFM means a product in which glass fiber yarn is mixed with an unsaturated polyester as a base material for strength improvement.

The plurality of fiber yarns 100 are separated into a plurality of strands through the guider 14. The plurality of holes are formed in the guider 14 in the longitudinal and transverse directions so that the fiber yarns 100 are passed through and drawn out into a plurality of strands , And the plurality of holes are made of a circle or a square.

The guide mold 2 is for forming a cylindrical bundle 200 by gathering a plurality of fiber yarns 100 that have passed through the guider 14 into a single body and a plurality of fiber yarns 100 are connected to a cylindrical jig 21 are formed at the center and are composed of a front plate 22 and a rear plate 23 attached to both ends of the cylindrical jig 21, respectively.

A plurality of through holes are formed in the front plate 22 to allow the fiber yarn to pass therethrough. The through holes formed in the front plate 22 are formed to correspond to the outer periphery of the cylindrical jig 21.

A flange 24 is formed on the rear plate 23 so as to form a circular slit (not shown) through which the bundle of the fiber yarn adhering to the outer circumferential surface of the cylindrical jig 21 passes through the front plate 22 .

A plurality of fiber yarns 100 are drawn out while passing through the plurality of through holes of the front plate 22 and are brought into close contact with the outer circumferential surface of the cylindrical jig 21 and the flange 24 of the rear plate 23 and the cylindrical jig 21 So that the cylindrical bundle 200 is formed after it is closely attached to the outer circumferential surface of the cylindrical jig 21 and passes through the rear plate 23.

The bundle 300 is wound on the outer circumferential surface of the cylindrical bundle 200 in a spiral direction while being passed through the coil ring portion 3, so that the bundle is tightly bundled.

As shown in FIG. 4, the coiling unit 3 includes a guide tube 31 formed at one side of the guide mold 2 and through which the cylindrical bundle 200 passes; A plate member 32 mounted on the outer periphery of the guide tube 31; A plurality of bundle thread take-up rollers 32 formed on the plate member 32 and arranged in a circumferential direction on the outer circumference of the guide tube 31 and pulling out the bundle thread 300 and winding the bundle thread on the outer circumference of the cylindrical bundle 200, (33).

The guide tube 31 is formed so that the hollow inside thereof is larger than the cylindrical bundle 200, so that the cylindrical bundle 200 can pass without touching the inner circumferential surface.

As soon as the tubular body P passes the guide tube 31, the bundle thread 300 is uniformly wound on the outer circumferential surface, so that the tubular tube P is separated from the inner circumferential surface of the guide tube 31, In addition, since there is no friction, the movement can proceed smoothly.

A plurality of guide rings 36 are formed on the outer circumference of the guide tube 31 so that the bundle threads 300 drawn out from the plurality of bundle thread takeup rollers 33 are guided through the plurality of guide rings 36 Are formed at equal intervals on the outer circumference of the guide tube 31 so that the bundle thread 300 can be uniformly coiled without being biased.

4 and 5, the reinforcing-member supplier 4 includes a plurality of reinforcing guides (not shown) formed on both sides of the coiling portion 3 and having holes 410 through which a plurality of reinforcing yarns 400 pass, 41); A penetrating portion formed at one side of the reinforcing-member guide 41 and through which the cylindrical bundle 200 coiled and coiled out from the coiling portion 3 passes is formed at the center, and the through- And a reinforcing-member accumulating portion 44 formed with a plurality of through-holes through which the reinforcing ribs 400 pass.

A plurality of holes 410 are formed in the plate member so as to allow the reinforcing member 400 to pass through the plate member.

A plurality of bundle-shaped reinforcing yarns 400 passing through and drawn out from the reinforcing-member guides 41 on both sides are brought into close contact with the outer peripheral surface of the cylindrical bundle 200 while passing through the through-holes of the reinforcing yarn accumulating portion 44.

The resin supply unit 5 supplies resin to the outer circumferential surface of the cylindrical bundle 200 in which the reinforcing yarn 400 is in close contact with the outer circumference to impregnate and coat the resin.

The resin supply unit 5 includes a plurality of nozzles (not shown) for allowing the cylindrical bundle 200 to pass through the inside of the housing and curing it by supplying resin to the outside of the housing, and impregnated resins are supplied to the respective nozzles.

A liquid urethane resin, an unsaturated ester resin, an epoxy resin, a phenol resin, or the like is used. In addition, it is natural that various synthetic resins can be used as a raw material.

The cylindrical tube bundle impregnated with the impregnation water is heated to a high temperature while passing through the heating mold 6 and hardened.

A stretching machine 7 is provided at the rear end of the heating mold 6 and the stretching machine 7 continuously pulls the tubing P that has passed through the heating mold 6.

Thereafter, the tubular body P is cut to a proper length in a cutting machine (not shown).

Therefore, according to the present invention, a plurality of fiber yarn bundles are stacked in a cylindrical shape, the bundle yarn 300 is wound around the bundle, and then the reinforcing yarn 400 is attached to the outer side again to have a two-ply layer.

Thereafter, the resin is coated on the outermost surface to smooth the surface, and the resin can be impregnated into the gap between the fiber yarn 100 and the reinforcing yarns 400, which are formed into a plurality of strands, and sealed.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, It is obvious that the claims fall within the scope of the claims.

1: material supply part 2: guide mold
3: coil ring part 4:
5: Resin supply part 6: Heating mold
7: tensioner 31: guide tube
32: plate member 33: winding roller
41: Assistant instructor 44: Assistant instructor

Claims (6)

A material supply part composed of a winding roll for supplying a plurality of fiber yarns made of a fiber reinforced plastic material and a guider for passing a plurality of fiber yarns discharged from the winding roll;
A guide mold in which a plurality of fiber yarns are formed on an outer circumferential surface so as to form a circular guide, a guide mold disposed on both sides of the circular guide and through which the plurality of fiber yarns are passed;
A coil ring portion for winding up bundle yarns around the outer circumferential surface of the cylindrical bundle discharged from the guide mold;
A bundle supplying unit for bundling and wrapping a bundle of reinforcing fibers made of fiber reinforced plastic on the outer circumferential surface of the bundle of cylindrical bundles which are bundled and tightly bundled;
A resin supply unit for supplying and impregnating resin to the outer circumferential surface of the cylindrical bundle in which the reinforcing yarn is in close contact with the outer periphery;
A heating mold for heating and curing a cylindrical bundle coated with a resin in the resin supply portion to complete a tubular body;
A tensioner for continuously pulling the cured tube;
A cutter for cutting the tubular body passed through the stretching machine at regular intervals;
Wherein the hollow fiber tube is made of a fiber reinforced plastic material. The method according to claim 1,
Wherein the guider of the material supply unit has a plurality of holes formed in a longitudinal direction and a transverse direction so as to be drawn out into a plurality of strands while being passed through the fiber yarns and the plurality of holes are formed in a circular shape or a square shape, Apparatus for manufacturing tubular body. The method according to claim 1,
The guide mold
And a front plate and a rear plate respectively attached to both ends of the original notification,
A plurality of through holes are formed in the front plate so as to allow the fiber yarn to pass therethrough, the through holes formed in the front plate are formed to correspond to the outer periphery of the circular notch,
Wherein a flange is formed on the back plate so as to form a circular slit through which a bundle of fiber yarn that passes through the front plate and is in close contact with the outer circumferential surface of the circular plate. The method according to claim 1,
The coiling portion
A guide tube formed at one side of the guide mold and through which a cylindrical bundle passes;
A plate mounted on an outer periphery of the guide tube;
A plurality of bobbin thread take-up rollers formed on the plate material, arranged in a circumferential direction on the outer circumference of the guide tube body, for taking out bundle yarns and winding the bundle yarns around the outer periphery of the cylindrical bundle;
Wherein the hollow fiber tube is made of a fiber reinforced plastic material. 5. The method of claim 4,
Wherein a plurality of guide rings are formed on an outer circumference of the guide tube to guide and guide a bundle of yarn drawn out from the plurality of bundle yarn winding rollers. The method according to claim 1,
The auxiliary instructor supply unit
A plurality of reinforcing yarn guides formed on both sides of the coil ring portion and having holes through which a plurality of reinforcing yarns are passed;
A plurality of through holes through which the reinforcing yarns are passed to form a plurality of through holes through which the cylindrical bundle which is coiled and drawn out from the coil ring portion passes, part;
Wherein the hollow fiber tube is made of a fiber reinforced plastic material.
KR1020130073932A 2013-06-26 2013-06-26 Frp pipe producing apparatus KR20150001159A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
KR1020130073932A KR20150001159A (en) 2013-06-26 2013-06-26 Frp pipe producing apparatus

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108215250A (en) * 2018-03-07 2018-06-29 东莞市锦明碳纤维科技有限公司 Fibrage tubing manufacturing equipment
CN109203439A (en) * 2018-09-25 2019-01-15 连云港连鑫玻璃钢有限公司 A kind of three-dimensional networking winding, molding method of GRP pipe and its GRP pipe
KR102211696B1 (en) * 2019-11-08 2021-02-03 중앙대학교 산학협력단 Porous fiber, preparation method thereof, and fiber type energy storage devaice
KR102589369B1 (en) * 2022-09-13 2023-10-16 주식회사 티에스머티리얼즈 Reinforcing bar manufacturing apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108215250A (en) * 2018-03-07 2018-06-29 东莞市锦明碳纤维科技有限公司 Fibrage tubing manufacturing equipment
CN109203439A (en) * 2018-09-25 2019-01-15 连云港连鑫玻璃钢有限公司 A kind of three-dimensional networking winding, molding method of GRP pipe and its GRP pipe
CN109203439B (en) * 2018-09-25 2021-06-22 连云港连鑫玻璃钢有限公司 Three-dimensional net winding forming method for glass fiber reinforced plastic pipeline and glass fiber reinforced plastic pipeline
KR102211696B1 (en) * 2019-11-08 2021-02-03 중앙대학교 산학협력단 Porous fiber, preparation method thereof, and fiber type energy storage devaice
KR102589369B1 (en) * 2022-09-13 2023-10-16 주식회사 티에스머티리얼즈 Reinforcing bar manufacturing apparatus

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