KR20120014782A - Reinforced material manufacturing apparatus using long glass fiber thermoplastic and continuous glass fiber thermoplastic and its manufacturing method - Google Patents

Reinforced material manufacturing apparatus using long glass fiber thermoplastic and continuous glass fiber thermoplastic and its manufacturing method Download PDF

Info

Publication number
KR20120014782A
KR20120014782A KR1020100076960A KR20100076960A KR20120014782A KR 20120014782 A KR20120014782 A KR 20120014782A KR 1020100076960 A KR1020100076960 A KR 1020100076960A KR 20100076960 A KR20100076960 A KR 20100076960A KR 20120014782 A KR20120014782 A KR 20120014782A
Authority
KR
South Korea
Prior art keywords
glass fiber
continuous glass
long glass
fiber resin
resin
Prior art date
Application number
KR1020100076960A
Other languages
Korean (ko)
Other versions
KR101203916B1 (en
Inventor
심학보
Original Assignee
(주) 콘즈
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 (주) 콘즈 filed Critical (주) 콘즈
Priority to KR20100076960A priority Critical patent/KR101203916B1/en
Publication of KR20120014782A publication Critical patent/KR20120014782A/en
Application granted granted Critical
Publication of KR101203916B1 publication Critical patent/KR101203916B1/en

Links

Images

Classifications

    • 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
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B29B9/14—Making granules characterised by structure or composition fibre-reinforced

Landscapes

  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

Reinforcing material manufacturing apparatus using a long glass fiber and a continuous glass fiber of the present invention is a long glass fiber resin pellet supply unit for supplying a long glass fiber resin pellet (Pellet) cut the long glass fiber resin to 5 ~ 20mm; An extruded part 20 which melts the supplied long glass fiber resin pellet and extrudes by rotating the screw; A continuous glass fiber resin supply unit 30 for supplying a plurality of rows of continuous glass fiber resins at a predetermined interval; A mixing part 40 for supplying the extruded long glass fiber resin pellet (Pellet) melt to the outside of the continuous glass fiber resin supplied; A die die 50 configured to pass the mixed mixture to be molded into a predetermined shape; A sizing unit 60 for cooling the molded product passing through the mold die unit 50 to maintain a constant shape; And cutting unit 70 for cutting the cooled molding to a predetermined size; It is made, including.

Description

Reinforced Material Manufacturing Apparatus Using Long Glass Fiber Thermoplastic and Continuous Glass Fiber Thermoplastic and its Manufacturing Method}

The present invention relates to a reinforcing material manufacturing apparatus and manufacturing method using a long glass fiber and a continuous glass fiber, by replacing the steel reinforcing materials such as galvanized steel sheet, chromium plated steel sheet by extrusion manufacturing using the long glass fiber of the pellet and the continuous glass fiber of the plate The present invention relates to a reinforcing material manufacturing apparatus and a manufacturing method using long glass fiber and continuous glass fiber to be high strength and light weight.

In various fields such as home appliances, in particular, when a large flat plastic is used, bending or deflection may occur due to the action of gravity and compression and gravity. As such, flat plastic is difficult to maintain its original shape due to external stress and the load of the plastic itself.

The most commonly used form of such steel reinforcement is to cut and bend the steel sheet. Since the steel sheet is prone to corrosion, zinc or chromium is used to prevent corrosion. Such plating causes environmental destruction, and steel plate is incurred a lot of additional costs due to its own weight.

In particular, in the field of construction PVC window frame (Window Frame) is used by inserting a plain steel sheet inside the frame to maintain the strength. In this case, as a cause of condensation (結露), there is a problem in that additional incidental costs such as labor costs due to heavy and difficult to cut.

The present invention has been made in order to solve the above problems, an object of the present invention is to replace the steel materials, such as galvanized steel sheet, chromium plated steel sheet by extrusion production using pellet-like long glass fiber and plate-shaped continuous glass fiber The present invention provides a reinforcing material manufacturing apparatus and a manufacturing method using long glass fiber and continuous glass fiber to enable high strength and light weight.

Another object of the present invention is to produce a reinforcing material by using the extrusion method for the continuous glass fiber that is not easily extruded to prevent the peeling of the resin material from the continuous glass fiber and to prevent the thermal deformation of the molded article is possible to manufacture a high quality reinforcement material The present invention provides an apparatus and a manufacturing method for reinforcing materials using long glass fibers and continuous glass fibers.

The reinforcing material manufacturing apparatus using the long glass fiber and continuous glass fiber of the present invention is a long glass fiber resin pellet supply unit for supplying a long glass fiber resin pellet (Pellet) cut the long glass fiber resin impregnated with a thermoplastic resin to the outside of the long glass fiber to 5 ~ 20mm 10; An extruded part 20 which melts the long glass fiber resin pellets supplied from the long glass fiber resin pellet supply part 10 and extrudes by rotating the screw; A continuous glass fiber resin supply unit 30 for supplying a plurality of rows of continuous glass fiber resins impregnated with thermoplastic resin on the outside of the sheet glass fiber bundle arranged in a plate shape at a predetermined interval; A mixing unit 40 for supplying the long glass fiber resin pellet melt extruded from the extruder 20 to the outside of the continuous glass fiber resin supplied by being maintained at a predetermined interval from the continuous glass fiber resin supply unit 30; A mold die part 50 configured to be molded into a predetermined shape while passing the mixture mixed in the mixing part 40; A sizing unit 60 for cooling the molded product passing through the mold die unit 50 to maintain a constant shape; And a cutting unit 70 for cutting the cooled molding passed through the sizing unit 60 to a predetermined size; Characterized in that comprises a.

In addition, the sizing unit 60 is cooled in three to five stages to cool the molded product passed through the die die 50 by contacting the hot air or the coolant is gradually lowered at intervals of 20 to 50 ℃ temperature interval toward the rear end. It is characterized by cooling in multiple stages with a temperature zone.

In addition, the withdrawal portion is located at the rear end of the sizing unit 60 is further provided to pull out the molded product passed through the die die 50 at a constant speed.

In addition, the method of manufacturing a reinforcing material using the long glass fiber and continuous glass fiber of the present invention a) supplying a long glass fiber resin pellet (Pellet) cut to a long glass fiber resin impregnated with a thermoplastic resin 5 ~ 20mm on the outside of the long glass fiber ; b) melting the supplied filament glass resin pellets and extruding by rotating the screw; c) supplying a plurality of rows of continuous glass fiber resins impregnated with thermoplastic resin on the outside of the sheet glass fiber bundles arranged at a predetermined interval; d) mixing the extruded long glass fiber resin pellets so as to be supplied to the outside of the continuous glass fiber resin supplied by being maintained at a predetermined interval; e) forming the mixed mixture into a mold by passing it through a mold die; f) cooling the molding through the mold die to maintain a shape; And g) cutting the cooled molding to a certain size; Characterized in that comprises a.

In addition, in step e), the temperature interval is 20 to 50 ℃ interval to lower the hot air or coolant to contact the three to five stages to pass through the cooling temperature zone to cool the molding through the die die to cool the multi-stage It features.

In addition, after step e) pulling the molding passed through the mold die to be drawn out at a constant speed; And further comprising:

Reinforcing material manufacturing apparatus and manufacturing method using the long glass fiber and continuous glass fiber of the present invention according to the configuration as described above by extrusion manufacturing using the long glass fiber of the plate and the continuous glass fiber of the plate steel such as galvanized steel sheet, chromium plated steel sheet It can be eco-friendly, high-strength and light weight by replacing ash, which can reduce labor costs and additional costs for post-process.

In addition, by using the extrusion method and the continuous glass fibers that are not easily extruded, and cooling the molding in multiple stages, not only can the thermal deformation be prevented, but also the peeling of the resin material from the continuous glass fibers can be used to produce high quality reinforcement. There is this.

1 and 2 are views showing an example of a reinforcing material manufacturing apparatus using a long glass fiber and a continuous glass fiber according to the present invention.
Figure 3 shows an example of the reinforcing material produced by the present invention.
Figure 4 is a process chart showing a reinforcing material manufacturing process using long glass fiber and continuous glass fiber according to the present invention.

Hereinafter, the reinforcing material manufacturing apparatus and manufacturing method using the long glass fiber and the continuous glass fiber of the present invention will be described in detail with reference to the drawings.

1 and 2 is a view showing an example of a reinforcing material manufacturing apparatus using a long glass fiber and a continuous glass fiber according to the present invention, Figure 3 is a view showing an example of the reinforcing material produced by the present invention.

Reinforcing material manufacturing apparatus using a long glass fiber and a continuous glass fiber according to the present invention, the long glass fiber resin pellet supply unit for supplying a long glass fiber resin pellet (Pellet) cut the long glass fiber resin to 5 ~ 20mm; An extruded part 20 which melts the supplied long glass fiber resin pellet and extrudes by rotating the screw; A continuous glass fiber resin supply unit 30 for supplying a plurality of rows of continuous glass fiber resins at a predetermined interval; A mixing part 40 for supplying the extruded long glass fiber resin pellet (Pellet) melt to the outside of the continuous glass fiber resin supplied; A die die 50 configured to pass the mixed mixture to be molded into a predetermined shape; A sizing unit 60 for cooling the molded product passing through the mold die unit 50 to maintain a constant shape; And cutting unit 70 for cutting the cooled molding to a predetermined size; It includes.

The long glass fiber thermoplastic (LFT) is impregnated with a thermoplastic resin on the outside of the long glass fiber bundle. The long glass fiber resin is molded by passing the long glass fiber bundle to be impregnated by passing the molten thermoplastic resin molten portion in the longitudinal direction and passed through the die. The method for producing such long glass fiber resin is already known. The thermoplastic resin used here is polypropylene (PP; polypropylene), polyamide (PA; polyamide), polyethylene terephthalate (PET), and polyphenylene sulfine (PPS) which have affinity with glass fibers. Etc.

The long glass fiber resin pellet supply unit 10 serves to form a long glass fiber resin pellet (Pellet) formed by cutting the long glass fiber resin prepared by the above method to 5 ~ 20mm to supply it to the extrusion unit (20).

The extruder 20 melts the filament glass resin pellets (Pellet) supplied from the long glass fiber resin pellet supply unit 10 to extrude the molten melt by the rotation of the screw.

The continuous glass fiber thermoplastic (CFT) is impregnated with a thermoplastic resin on the outside of the long glass fiber bundle arranged in a plate shape. The continuous glass fiber resin is the same as the long glass fiber resin and the manufacturing method is different only using a sheet-like long glass fiber bundle. Methods for producing such continuous glass fiber resins are also already known. The thermoplastics used are likewise identical.

At this time, the continuous glass fiber resin produced is wound in a bobbin.

This continuous glass fiber resin has a weak bending stress in a direction perpendicular to the widthwise direction of the plate, but a very strong bending stress in a direction perpendicular to the thickness direction of the plate.

The continuous glass fiber resin thus produced is supplied in a plate shape in the extrusion direction in a rolled state by the continuous glass fiber resin supply unit 30.

The continuous glass fiber resin wound on the bobbin is supplied while being released, the continuous glass fiber resin supply unit 30 may be equipped with two to six bobbins as necessary. At this time, each continuous glass fiber resin released from each bobbin is maintained to be supplied at a predetermined interval.

Each bobbin is a control device to move in the up, down, left, and right directions, so that the continuous glass fiber is implemented in an uneven shape before it is supplied to the mixing unit 40, the horizontal and horizontal of the glass fiber (CFT) The rigidity in the vertical direction can be maximized.

When stiffness in the vertical direction is needed, it can be supplied in the form of 2 ~ 6 layers, and when stiffness in the horizontal direction is needed, it can be supplied in the form of laminating continuous glass fibers in the horizontal direction.

Figure 3 (a) shows the form of extrusion molding by feeding the continuous glass fiber resin in the transverse direction, (b) shows the form of extrusion molding by feeding the continuous glass fiber resin in the longitudinal direction, (c) It shows the form which extruded by supplying glass fiber resin to a horizontal direction and a longitudinal direction.

Therefore, in Figure 3 (a) is useful where the force in the horizontal direction is applied, (b) is useful where the force in the vertical direction is applied, (c) is the force in the horizontal and vertical direction This is useful where they work at the same time.

In addition, the continuous glass fiber thermoplastic (CFT) may be supplied in one layer, and may be supplied after first bonding to two to five layers. Figure 3 (c) shows the form supplied after bonding the continuous glass fiber resin in multiple layers.

In the manufacturing method of the present invention, the continuous glass fiber supplied to the thermal forming machine is formed to be suitable for the mold release shape fastened to the extruder, and is then fed into the extruder and combined with the resin supplied to the extruder to produce a product having strong rigidity. It is a manufacturing method and is a useful method for products requiring directional rigidity.

The mixing part 40 is supplied to the outside of the continuous glass fiber resin supplied to the long glass fiber resin pellets (Pellet) melt extruded from the extrusion unit 20 is maintained at a predetermined interval from the continuous glass fiber resin supply unit 30 The long glass fiber resin pellet (Pellet) melt and the continuous glass fiber resin to be integrated.

The mold die part 50 serves to be molded into the extrusion shape of the mold die part 50 while passing the mixture integrated in the mixing part 40.

The sizing unit 60 allows the molded product passed through the mold die unit 50 to be cooled while maintaining its shape.

At this time, the sizing unit 60 is cooled in three to five stages to cool the molding passed through the die die 50 by contacting the hot air or coolant with a lower temperature interval at intervals of 20 to 50 ℃ gradually toward the rear end. It is preferable to provide a temperature zone and to cool it in multiple stages.

The mixture of the long glass fiber resin pellet (Pellet) melt and the continuous glass fiber resin through the mixing unit 40 may be separated from the glass fiber if the temperature control is not properly controlled during cooling. Therefore, the temperature control is important, the present invention, unlike the conventional extruder that quenched to a constant temperature by allowing the temperature control to gradually cool in multiple stages it is possible to prevent the resin from peeling from the glass fiber. In addition, the present invention, unlike the conventional extrusion method that can be easily peeled off the resin from the glass fiber due to the short mold land length has a multi-stage cooling temperature zone, the mold land length is three to five times the conventional mold By lengthening, it becomes possible to prevent resin peeling from a glass fiber and deformation | transformation of a molded article.

At this time, the cooling portion passed through the sizing unit 60 by a drawing unit (not shown) located at the rear end of the sizing unit 60 to pull the molded product passed through the die die 50 at a constant speed. The molded molding can be pulled out.

The cutting unit 70 cuts the cooled molding passing through the sizing unit 60 to a predetermined size or a desired product size.

In FIG. 1, the long glass fiber resin pellet supply part 10 and the extruded part 20 are installed in the same horizontal direction as the supply direction of the continuous glass fiber resin supply part 30.

In FIG. 2, the long glass fiber resin pellet supply unit 10 and the extruded unit 20 are installed at right angles to the supply direction of the continuous glass fiber resin supply unit 30. At this time, the long glass fiber resin pellet supply unit 10 and the extruded unit 20 may be provided at an acute angle, not perpendicular to the supply direction of the continuous glass fiber resin supply unit 30. Thus, the manufacturing apparatus of the present invention can be installed in various forms depending on the form of the installation place.

Hereinafter, the manufacturing process of the reinforcing material using the reinforcing material manufacturing apparatus using the long glass fiber and continuous glass fiber of the present invention having the configuration as described above will be described schematically.

Figure 4 is a process chart showing a reinforcing material manufacturing process using a long glass fiber and a continuous glass fiber according to the present invention.

The long glass fiber resin is cut into 5 to 20 mm long glass fiber resin pellet (Pellet) form and is supplied to the long glass fiber resin pellet supply unit (10).

Subsequently, the long glass fiber resin pellets (Pellet) supplied from the long glass fiber resin pellet supply unit 10 are melted in the extrusion unit 20 to be extruded by the rotation of the screw.

On the other hand, the continuous glass fiber resin is supplied by the continuous glass fiber resin supply unit 30 in the form of a roll in the form of a roll in the form of a roll. At this time, the continuous glass fiber resin is maintained at a constant interval to be supplied.

Subsequently, the long glass fiber resin pellet melt extruded from the extruder 20 is maintained at a predetermined interval from the continuous glass fiber resin supply unit 30 to be supplied to the outside of the supplied continuous glass fiber resin pellets. (Pellet) Mix so that the melt and the continuous glass fiber resin are integrated.

The mixture united in the mixing part 40 is to be molded into the extrusion shape of the die die 50 while passing through the die die 50.

The molded product passing through the die die 50 is cooled while maintaining a shape through the sizing unit 60.

At this time, the sizing unit 60 is cooled in three to five stages to cool the molding passed through the die die 50 by contacting the hot air or coolant with a lower temperature interval at intervals of 20 to 50 ℃ gradually toward the rear end. It is preferable to provide a temperature zone and to cool it in multiple stages.

The cooled molding that has passed through the sizing unit 60 is located at the rear end of the sizing unit 60 to a withdrawal unit (not shown) that pulls the molding passed through the die die unit 50 at a constant speed. It can be pulled by.

The cooled molding passing through the sizing unit 60 is cut into a predetermined size by the cutting unit 70.

The technical idea should not be construed as being limited to the above-described embodiment of the present invention. Various modifications may be made at the level of those skilled in the art without departing from the spirit of the invention as claimed in the claims. Therefore, such improvements and modifications fall within the protection scope of the present invention, as will be apparent to those skilled in the art.

10: long glass fiber resin pellet supply part 20: extrusion part
30: continuous glass fiber resin supply portion 40: mixing portion
50: die die 60: sizing
70: cutting part

Claims (9)

A long glass fiber resin pellet supply unit (10) for supplying a long glass fiber resin pellet (Pellet) cut into a long glass fiber resin impregnated with a thermoplastic resin to the outside of the long glass fiber 5 ~ 20mm;
An extruded part 20 which melts the long glass fiber resin pellets supplied from the long glass fiber resin pellet supply part 10 and extrudes by rotating the screw;
A continuous glass fiber resin supply unit 30 for supplying a plurality of rows of continuous glass fiber resins impregnated with thermoplastic resin on the outside of the sheet glass fiber bundle arranged in a plate shape at a predetermined interval;
A mixing unit 40 for supplying the long glass fiber resin pellet melt extruded from the extruder 20 to the outside of the continuous glass fiber resin supplied by being maintained at a predetermined interval from the continuous glass fiber resin supply unit 30;
A mold die part 50 configured to be molded into a predetermined shape while passing the mixture mixed in the mixing part 40;
A sizing unit 60 for cooling the molded product passing through the mold die unit 50 to maintain a constant shape;
Cutting unit 70 for cutting the cooled molding passed through the sizing unit 60 to a predetermined size;
Reinforcing material manufacturing apparatus using a long glass fiber and continuous glass fiber, characterized in that comprises a. The method of claim 1,
The sizing unit 60 has a cooling temperature zone of 3 to 5 steps to cool the molded product passed through the die die 50 by bringing the lower hot air or coolant into contact with the temperature interval at an interval of 20 to 50 ° C. toward the rear end. Reinforcing material manufacturing apparatus using long glass fiber and continuous glass fiber, characterized in that for cooling in multiple stages. The method according to claim 1 or 2,
Reinforcing material manufacturing apparatus using a long glass fiber and a continuous glass fiber is located at the rear end of the sizing unit 60 is further provided with a pull-out unit for pulling out the molding passed through the die die 50 at a constant speed. a) supplying a long glass fiber resin pellet (Pellet) cut to 5 to 20mm long glass fiber resin impregnated with a thermoplastic resin on the outside of the long glass fiber;
b) extruding the molten liquid by rotating the screw by melting the supplied filament glass fiber pellets;
c) supplying a plurality of rows of continuous glass fiber resins impregnated with thermoplastic resin on the outside of the sheet glass fiber bundles arranged at a predetermined interval;
d) mixing the extruded long glass fiber resin pellets so as to be supplied to the outside of the continuous glass fiber resin supplied by being maintained at a predetermined interval;
e) forming the mixed mixture into a mold by passing it through a mold die;
f) cooling the molding through the mold die to maintain a shape;
g) cutting the cooled molding to a predetermined size;
Reinforcing material manufacturing method using long glass fiber and continuous glass fiber, characterized in that comprises a. The method of claim 4, wherein
e) Cooling in multiple stages by passing through the cooling temperature zone of the three to five stages to cool the moldings passed through the mold die by contacting the increasingly hot air or coolant at intervals of 20 to 50 ℃ during the step. Reinforcing material manufacturing method using long glass fiber and continuous glass fiber. The method according to claim 4 or 5,
e) pulling the molding which has passed through the mold die to be withdrawn at a constant speed after step e); Reinforcing material manufacturing method using a long glass fiber and continuous glass fiber, characterized in that it further comprises. The method of claim 4, wherein
c) during the step, the reinforcing material manufacturing method using a long glass fiber and a continuous glass fiber, characterized in that the continuous glass fiber resin is laminated, supplied horizontally, vertically, horizontally and vertically in the same direction of the force received by the reinforcing material. The method according to claim 4 or 7,
In step c), the continuous glass fiber resin and the continuous glass fiber, characterized in that to supply the continuous glass fiber resin by swinging the bobbin to which the continuous glass fiber resin is wound up and down or left and right so that the continuous glass fiber resin has an uneven shape. Reinforcement manufacturing method using. The method according to claim 4 or 7,
c) a method of manufacturing a reinforcing material using long glass fibers and continuous glass fibers, wherein the continuous glass fiber resin is bonded after the continuous glass fiber resin is bonded in two to five layers before the step.
KR20100076960A 2010-08-10 2010-08-10 Reinforced Material Manufacturing Apparatus Using Long Glass Fiber Thermoplastic and Continuous Glass Fiber Thermoplastic and its Manufacturing Method KR101203916B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20100076960A KR101203916B1 (en) 2010-08-10 2010-08-10 Reinforced Material Manufacturing Apparatus Using Long Glass Fiber Thermoplastic and Continuous Glass Fiber Thermoplastic and its Manufacturing Method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20100076960A KR101203916B1 (en) 2010-08-10 2010-08-10 Reinforced Material Manufacturing Apparatus Using Long Glass Fiber Thermoplastic and Continuous Glass Fiber Thermoplastic and its Manufacturing Method

Publications (2)

Publication Number Publication Date
KR20120014782A true KR20120014782A (en) 2012-02-20
KR101203916B1 KR101203916B1 (en) 2012-11-22

Family

ID=45837739

Family Applications (1)

Application Number Title Priority Date Filing Date
KR20100076960A KR101203916B1 (en) 2010-08-10 2010-08-10 Reinforced Material Manufacturing Apparatus Using Long Glass Fiber Thermoplastic and Continuous Glass Fiber Thermoplastic and its Manufacturing Method

Country Status (1)

Country Link
KR (1) KR101203916B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102081025B1 (en) * 2019-07-30 2020-02-25 (주)신승이앤씨 Deck road panel using glass fiber reinforced composite materials and method of manufacturing the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001129827A (en) 1999-11-08 2001-05-15 Toray Ind Inc Long fiber pellet, and method and apparatus for manufacturing it

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102081025B1 (en) * 2019-07-30 2020-02-25 (주)신승이앤씨 Deck road panel using glass fiber reinforced composite materials and method of manufacturing the same

Also Published As

Publication number Publication date
KR101203916B1 (en) 2012-11-22

Similar Documents

Publication Publication Date Title
US4414266A (en) Method of manufacture of reinforced sheet plastics material and the production of moulded articles therefrom
CN109071837B (en) Structural reinforcement
US11332627B2 (en) Filament resin molded article
KR20130088034A (en) Thermoplastic prepreg containing continuous and long fibers
JPS63205219A (en) Pultrusion device, pultrusion method and pultruded molded form
CN110831746A (en) Pultruded impregnated fibers and uses thereof
JPWO2017057424A1 (en) Linear resin molding
JP2017100450A (en) Method for continuous recycling of scraps of fiber and cloth that are based on thermoplastic materials as materials
WO2021058677A1 (en) Manufacturing method for structural components and structural component
JP5608818B2 (en) Carbon fiber composite material, molded product using the same, and production method thereof
EP3195995B1 (en) Production method for fiber-reinforced thermoplastic resin composite material
KR101203916B1 (en) Reinforced Material Manufacturing Apparatus Using Long Glass Fiber Thermoplastic and Continuous Glass Fiber Thermoplastic and its Manufacturing Method
KR101517477B1 (en) Manufacturing method of continuous fiber reinforced polylactic acid composite by using direct melt impregnation method and double belt press and manufacturing apparatus thereof
KR101108893B1 (en) Antenna cover manufacturing apparatus and its manufacturing method
KR20190029351A (en) Method for manufacturing plastic panel reinforced with glass fibers
KR102202381B1 (en) Apparatus and method of manufacturing fiber reinforced composite
CN105599323A (en) Thermoplastic-composite-material pultrusion technology
AU2019205991B1 (en) The twin-screw extrusion of long carbon fibre reinforced polylactic acid filaments for 3D printing
JP6477459B2 (en) Method for producing fiber reinforced thermoplastic resin
EP0847845A1 (en) Thermoformable sheets having core layer with unmatted, oriented fibers and fiber-free cap layer
US8653194B2 (en) Quasi-melt processes for single polymer composites and products thereof
KR100897630B1 (en) A method of extruding polyethyleneterephthalate horizontally and horizontal extruder
US11813810B2 (en) Induction heating of composite parts
CN207044682U (en) Thermoplastic composite corrugated plating production system
KR101462881B1 (en) Apparatus For Manufacturing Long Fiber Reinforced Thermoplastic Preform

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20150825

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 20160920

Year of fee payment: 5

FPAY Annual fee payment

Payment date: 20170912

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee