CA2020436C - Method for continuously forming a fiber reinforced plastic lattice structure - Google Patents
Method for continuously forming a fiber reinforced plastic lattice structureInfo
- Publication number
- CA2020436C CA2020436C CA002020436A CA2020436A CA2020436C CA 2020436 C CA2020436 C CA 2020436C CA 002020436 A CA002020436 A CA 002020436A CA 2020436 A CA2020436 A CA 2020436A CA 2020436 C CA2020436 C CA 2020436C
- Authority
- CA
- Canada
- Prior art keywords
- carrier
- members
- lattice structure
- longitudinal
- advancing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 229920002430 Fibre-reinforced plastic Polymers 0.000 title claims abstract description 10
- 239000011151 fibre-reinforced plastic Substances 0.000 title claims abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 238000003475 lamination Methods 0.000 claims description 3
- 238000001723 curing Methods 0.000 description 11
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 239000012779 reinforcing material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 238000009966 trimming Methods 0.000 description 3
- 229920001567 vinyl ester resin Polymers 0.000 description 2
- NGZXDRGWBULKFA-NSOVKSMOSA-N (+)-Bebeerine Chemical compound C([C@@H]1N(C)CCC=2C=C(C(=C(OC3=CC=C(C=C3)C[C@H]3C=4C=C(C(=CC=4CCN3C)OC)O3)C=21)O)OC)C1=CC=C(O)C3=C1 NGZXDRGWBULKFA-NSOVKSMOSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Lining And Supports For Tunnels (AREA)
- Reinforcement Elements For Buildings (AREA)
- Nonwoven Fabrics (AREA)
- Laminated Bodies (AREA)
Abstract
ABSTRACT
A method for continuously forming a fiber reinforced plastic lattice structure, which comprises placing a plurality of linear longitudinal members of uncured resin-impregnated continuous filament fiber with a distance from one another in parallel with the advancing direction of an advancing carrier; advancing the longitudinal members together with the carrier; placing, before or after the placement of the longitudinal members, a plurality of linear transverse members of uncured resin-impregnated continuous filament fiber to intersect the longitudinal members 50 that a lattice structure is formed by the longitudinal and transverse members; curing the lattice structure on the advancing carrier; and then cutting and withdrawing the lattice structure.
A method for continuously forming a fiber reinforced plastic lattice structure, which comprises placing a plurality of linear longitudinal members of uncured resin-impregnated continuous filament fiber with a distance from one another in parallel with the advancing direction of an advancing carrier; advancing the longitudinal members together with the carrier; placing, before or after the placement of the longitudinal members, a plurality of linear transverse members of uncured resin-impregnated continuous filament fiber to intersect the longitudinal members 50 that a lattice structure is formed by the longitudinal and transverse members; curing the lattice structure on the advancing carrier; and then cutting and withdrawing the lattice structure.
Description
202043~
Our Ref.: AA-592-X (F90-29) METHOD FOR CONTINUOUSLY FORMING A FIBER REINFORCED
PLASTIC LATTICE STRUCTURE
The present invention relates to a method for continuously forming a fiber reinforced plastic (FRP) lattice structure useful as e.g. a reinforcing material for concrete.
Heretofore, FRP lattice structures were formed one by one by aligning resin-impregnated fibers manua]ly or by an industrial robot by means of a template provided with pins, and to firmly cure the intersections of the fibers, the intersections were pressed through an interposed film. With such a method, the productivity was very poor.
It is an object of the present invention to overcome the inefficiency of the conventional method in which FRP
lattice structures were formed one by one and to provide a method wherein such lattice structures can be formed continuously in a large quantity.
The present invention provides a method for 2n continuously forming a ~iber reinforced plastic lattice 202~3~
structure, which comprises placing a plurality of linear longitudinal members o~ uncured resin-impregnated continuous filament fiber with a distance from one another in parallel with the advancing direction of an advancing carrier; advancing the longitudinal members together with the carrier; placing, before or after the placement of the longitudinal members, a plurality of linear transverse members of uncured resin-impregnated continuous filament fiber to intersect the longitudinal members so that a lattice structure is formed by the longitudinal and transverse members; curin~ the lattice structure on the advancing carrier; and then cutting and withdrawing the lattice structure.
Now, the present invention will be described in detail with reference to Figures 1 and 2.
Figure 1 is a front view illustrating an embodiment of the forming apparatus used for carrying out the continuous method of the present invention.
Figure 2 is a plan view thereof.
Re~erring to Figures 1 and 2, a plurality of linear longitudinal members 2 made of uncured resin-impregnated continuous filament fiber obtained by passing continuous filament fiber such as glass rovings through an uncured resin-impregnating tank 1, are placed on a carrier 3 such as a bar conveyor. As shown at 3 in Figure 1, this carrier is driven by sprockets 4 and continuously advances from the right to the left in the drawing.
,~ .
.: . . .
. , . , . , . . -- - ~ '.
: - . - ... ~ . :
,- : ,, ,- :: : . : -, :
. .... ... , . , .. - . . . ~ . .
202043~
On the linear longitudinal members placed on the carrier advancing from the right to the left, a plurality of linear transverse members 6 made of uncured resin-impregnated continuous filament fiber obtained by passing continuous filament fiber through an uncured resin-impregnating tank 1 in Figures 1 and 2 r are placed with a distance from one another to intersect the longitudinal members. Otherwise, linear transverse members may firstly be placed on the carrier and the linear longitudinal members may be placed thereon in an intersecting fashion.
As a method for placing the transverse members on the advancing carrier, it is preferred to employ a method wherein the transverse members are placed on the carrier or on the longitudinal members on the carrier, while a transverse member feeder 7 as shown in Figure 1 is moved in the advancing direction of the carrier and in a direction traversing the advancing direction. At that time, by conducting the placement so that the transverse members are hooked on guide pins 8 provided along both sides in the width direction of the carrier, a tension can be imparted to the transverse members to avoid deflection of the transverse members between the ; longitudinal members.
B~ repeating such intersecting placement of the longitudinal and transverse members, it is possible to obtain a laminated lattice structure in which the .
- . : , ,, : .
: -.
- . .: - :
.
202~3~
intersections of the longitudinal and transverse members are at least three-ply lamination. Namely, referring to Figure 1, transverse members are placed on the carrier by a first transverse member feeder 7, and then first longitudinal members 2 are placed thereon. Then, second transverse members having passed through an uncured resin-impregnating tank 5, are placed thereon by a transverse member feeder 9, and second longitudinal members 10 are placed thereon, to obtain a lattice structure in which the intersections are four-ply lamination.
The carrier having the lattice structure composed of the longitudinal and transverse members of uncured resin-impregnated continuous filament fiber formed thereon, advances from the right to the left in Figure 1 and passes through a curing furnace 11 for e.g ultraviolet curing, whereby the uncured resin is cured. The cured lattice structure is then trimmed by a trimming device 12 and cut into a desired length by a cross cutter 13, and then withdrawn. For the FRP lattice structures, it is important to secure the shearing strength of the intersections of the longitudinal and transverse members.
For this purpose, it is necessary to press bond the intersections. When the curing method for the uncured resin is curing by means of ultraviolet rays, as shown at 11 in Figure 1, it is possible to impart a tension to the linear longitudinal members 2 and 10 by letting the , . . . ~ -: . , -,,, , -. - . - :
. . .. :
:: . ,: . . ~
, : -. . ' ' - ' .
, ~ ..
~0~,~43~
carrier curve upwardly in the vicinity of the curing furnace ll and to press-bond the intersections by means of such a tension. The radius of curvature o~ such a curve varies depending upon the size of the lattice structure or its mode of application, but it is usually from about lO to 40 m. In the case of heat curing, a belt conveyor made of e.g. steel or synthetic resin, may be provided to press-bond the lattice structure, above the carrier in the vicinity of the curing furnace. In the case of the ultraviolet curing, light transmittance is necessary, and therefore such a belt conveyor for press-bonding can not be used. Thereforel it is effective to employ a method of utilizing a tension by letting the carrier curve as mentioned above. For such a curve, it is preferred to adopt a method in which when the shape of the rails provided below both sides in the width direction of the carrier, corresponds to the curvature of the movement of the carrier for the formed product for a distance from prior to the curing furnace to the trimming device, so that the formed product can be moved with the same curvature throughout the distance.
A certain tension is imparted to the linear transverse members hooked on the guide pins 8 as shown in Figures 1 and 2. It may happen that this tension resists against the press-bonding of the intersections by the tension of the longitudinal members, and no adequate press-bonding is conducted. To avoid such a possibility, .- ~ .
- ," ' ' .
. : , ' , ' :, . ' ' 2 Q ~ 6 it is effective that the guide pins are inclined outwardly in the width direction of the carrier, or tapered guide pins are used. By press-bondiny of the longitudinal members, the transverse members will descend along the inclination of the guide pins, whereby the tension of the transverse members is reduced, and adequate press-bonding can thereby be conducted. The distance between the guide pins for the transverse members intersecting the longitudinal members, will be reduced as the transverse members descend along the inclination of the guide pins. The reduction may be sufficient at a level of at least about 2 or 3 mm.
As to the carrier to be used in the present invention, there is no particular restriction 50 long as it is capable of mounting the longitudinal and transverse members. However, it is preferred to employ a belt conveyor made of steel or a synthetic resin, or a bar conveyor composed of a combination of angular flat pipes made of steel and roller chains. The continuous filament fiber for the lattice structure may be glass fiber, carbon fiber~ alamide fiber, ceramic fiber, or as synthetic resins, a thermosetting resin such as an unsaturated polyester resin, a vinyl ester resin, or an epoxy resin, and a thermoplastic resin such as a vinyl chloride resin, a polyamide resin, or a polyolefin resin, may be mentioned.
The lattice structure obtained by the method of the -: '' ' :, .
.
- ' :
2020~3~
present invention can be used as a reinforcing material for concrete for building or construction such as floor concrete or sprayed concrete of the inner wall of a tunnel, or as a reinforcing material for soft and flimsy ground or for earth piled highly or with a sharp angle on the ground.
Now, the present invention will be described in further detail with reference to an Example. However, it should be understood that the present invention is by no means restricted by such a specific Example.
EXAMPLE
Resin-impregnated glass rovings were withdrawn from the uncured vinyl ester resin-impregnating tanks 1 and 5 in Figures 1 and 2. The glass rovings constituting the longitudinal members were pulled straight along the advancing direction of the carrier, while the glass rovings constituting the transverse members were hooked on the left and right pins 8 by the transverse member feeders 7 and 9 and placed at right angle to the longitudinal members. The transverse members and the longitudinal members were placed to intersect in this order, with the uppermost members being the longitudinal members, to obtain a lattice structure in which the intersections had a four-ply laminated structure. The lattice structure was subjected to ultraviolet curing in the curing furnace, and the edge portions of the lattice structure were cut off by the trimming device, and the :
..
.
:~ :
.
202~436 structure was cut into a length of 3 m by the cross-cutter and withdrawn. The lattice structure thus obtained had a width of 2 m, the width of the longitudinal and transverse members was about 10 mmr and the size of the lattice was 150 mm x 150 mm. About 30 sheets of the lattice structure were taken out for 1 hour. This corresponds to about 10 times of the productivity as compared with the conventional manual method.
The present invention employs a continuous forming method, whereby FRP lattice structures of a constant guality can be produced in a large quantity in a short period of time. Further, by utilizing the tension of the longitudinal members, the press-bonding of the intersections of the lattice structure can be ensured.
Furthermore, when an ultraviolet curing method is employed, lattice structures of a high quality can be obtained in a still shorter period of time.
.,''.
.', : ' ~
Our Ref.: AA-592-X (F90-29) METHOD FOR CONTINUOUSLY FORMING A FIBER REINFORCED
PLASTIC LATTICE STRUCTURE
The present invention relates to a method for continuously forming a fiber reinforced plastic (FRP) lattice structure useful as e.g. a reinforcing material for concrete.
Heretofore, FRP lattice structures were formed one by one by aligning resin-impregnated fibers manua]ly or by an industrial robot by means of a template provided with pins, and to firmly cure the intersections of the fibers, the intersections were pressed through an interposed film. With such a method, the productivity was very poor.
It is an object of the present invention to overcome the inefficiency of the conventional method in which FRP
lattice structures were formed one by one and to provide a method wherein such lattice structures can be formed continuously in a large quantity.
The present invention provides a method for 2n continuously forming a ~iber reinforced plastic lattice 202~3~
structure, which comprises placing a plurality of linear longitudinal members o~ uncured resin-impregnated continuous filament fiber with a distance from one another in parallel with the advancing direction of an advancing carrier; advancing the longitudinal members together with the carrier; placing, before or after the placement of the longitudinal members, a plurality of linear transverse members of uncured resin-impregnated continuous filament fiber to intersect the longitudinal members so that a lattice structure is formed by the longitudinal and transverse members; curin~ the lattice structure on the advancing carrier; and then cutting and withdrawing the lattice structure.
Now, the present invention will be described in detail with reference to Figures 1 and 2.
Figure 1 is a front view illustrating an embodiment of the forming apparatus used for carrying out the continuous method of the present invention.
Figure 2 is a plan view thereof.
Re~erring to Figures 1 and 2, a plurality of linear longitudinal members 2 made of uncured resin-impregnated continuous filament fiber obtained by passing continuous filament fiber such as glass rovings through an uncured resin-impregnating tank 1, are placed on a carrier 3 such as a bar conveyor. As shown at 3 in Figure 1, this carrier is driven by sprockets 4 and continuously advances from the right to the left in the drawing.
,~ .
.: . . .
. , . , . , . . -- - ~ '.
: - . - ... ~ . :
,- : ,, ,- :: : . : -, :
. .... ... , . , .. - . . . ~ . .
202043~
On the linear longitudinal members placed on the carrier advancing from the right to the left, a plurality of linear transverse members 6 made of uncured resin-impregnated continuous filament fiber obtained by passing continuous filament fiber through an uncured resin-impregnating tank 1 in Figures 1 and 2 r are placed with a distance from one another to intersect the longitudinal members. Otherwise, linear transverse members may firstly be placed on the carrier and the linear longitudinal members may be placed thereon in an intersecting fashion.
As a method for placing the transverse members on the advancing carrier, it is preferred to employ a method wherein the transverse members are placed on the carrier or on the longitudinal members on the carrier, while a transverse member feeder 7 as shown in Figure 1 is moved in the advancing direction of the carrier and in a direction traversing the advancing direction. At that time, by conducting the placement so that the transverse members are hooked on guide pins 8 provided along both sides in the width direction of the carrier, a tension can be imparted to the transverse members to avoid deflection of the transverse members between the ; longitudinal members.
B~ repeating such intersecting placement of the longitudinal and transverse members, it is possible to obtain a laminated lattice structure in which the .
- . : , ,, : .
: -.
- . .: - :
.
202~3~
intersections of the longitudinal and transverse members are at least three-ply lamination. Namely, referring to Figure 1, transverse members are placed on the carrier by a first transverse member feeder 7, and then first longitudinal members 2 are placed thereon. Then, second transverse members having passed through an uncured resin-impregnating tank 5, are placed thereon by a transverse member feeder 9, and second longitudinal members 10 are placed thereon, to obtain a lattice structure in which the intersections are four-ply lamination.
The carrier having the lattice structure composed of the longitudinal and transverse members of uncured resin-impregnated continuous filament fiber formed thereon, advances from the right to the left in Figure 1 and passes through a curing furnace 11 for e.g ultraviolet curing, whereby the uncured resin is cured. The cured lattice structure is then trimmed by a trimming device 12 and cut into a desired length by a cross cutter 13, and then withdrawn. For the FRP lattice structures, it is important to secure the shearing strength of the intersections of the longitudinal and transverse members.
For this purpose, it is necessary to press bond the intersections. When the curing method for the uncured resin is curing by means of ultraviolet rays, as shown at 11 in Figure 1, it is possible to impart a tension to the linear longitudinal members 2 and 10 by letting the , . . . ~ -: . , -,,, , -. - . - :
. . .. :
:: . ,: . . ~
, : -. . ' ' - ' .
, ~ ..
~0~,~43~
carrier curve upwardly in the vicinity of the curing furnace ll and to press-bond the intersections by means of such a tension. The radius of curvature o~ such a curve varies depending upon the size of the lattice structure or its mode of application, but it is usually from about lO to 40 m. In the case of heat curing, a belt conveyor made of e.g. steel or synthetic resin, may be provided to press-bond the lattice structure, above the carrier in the vicinity of the curing furnace. In the case of the ultraviolet curing, light transmittance is necessary, and therefore such a belt conveyor for press-bonding can not be used. Thereforel it is effective to employ a method of utilizing a tension by letting the carrier curve as mentioned above. For such a curve, it is preferred to adopt a method in which when the shape of the rails provided below both sides in the width direction of the carrier, corresponds to the curvature of the movement of the carrier for the formed product for a distance from prior to the curing furnace to the trimming device, so that the formed product can be moved with the same curvature throughout the distance.
A certain tension is imparted to the linear transverse members hooked on the guide pins 8 as shown in Figures 1 and 2. It may happen that this tension resists against the press-bonding of the intersections by the tension of the longitudinal members, and no adequate press-bonding is conducted. To avoid such a possibility, .- ~ .
- ," ' ' .
. : , ' , ' :, . ' ' 2 Q ~ 6 it is effective that the guide pins are inclined outwardly in the width direction of the carrier, or tapered guide pins are used. By press-bondiny of the longitudinal members, the transverse members will descend along the inclination of the guide pins, whereby the tension of the transverse members is reduced, and adequate press-bonding can thereby be conducted. The distance between the guide pins for the transverse members intersecting the longitudinal members, will be reduced as the transverse members descend along the inclination of the guide pins. The reduction may be sufficient at a level of at least about 2 or 3 mm.
As to the carrier to be used in the present invention, there is no particular restriction 50 long as it is capable of mounting the longitudinal and transverse members. However, it is preferred to employ a belt conveyor made of steel or a synthetic resin, or a bar conveyor composed of a combination of angular flat pipes made of steel and roller chains. The continuous filament fiber for the lattice structure may be glass fiber, carbon fiber~ alamide fiber, ceramic fiber, or as synthetic resins, a thermosetting resin such as an unsaturated polyester resin, a vinyl ester resin, or an epoxy resin, and a thermoplastic resin such as a vinyl chloride resin, a polyamide resin, or a polyolefin resin, may be mentioned.
The lattice structure obtained by the method of the -: '' ' :, .
.
- ' :
2020~3~
present invention can be used as a reinforcing material for concrete for building or construction such as floor concrete or sprayed concrete of the inner wall of a tunnel, or as a reinforcing material for soft and flimsy ground or for earth piled highly or with a sharp angle on the ground.
Now, the present invention will be described in further detail with reference to an Example. However, it should be understood that the present invention is by no means restricted by such a specific Example.
EXAMPLE
Resin-impregnated glass rovings were withdrawn from the uncured vinyl ester resin-impregnating tanks 1 and 5 in Figures 1 and 2. The glass rovings constituting the longitudinal members were pulled straight along the advancing direction of the carrier, while the glass rovings constituting the transverse members were hooked on the left and right pins 8 by the transverse member feeders 7 and 9 and placed at right angle to the longitudinal members. The transverse members and the longitudinal members were placed to intersect in this order, with the uppermost members being the longitudinal members, to obtain a lattice structure in which the intersections had a four-ply laminated structure. The lattice structure was subjected to ultraviolet curing in the curing furnace, and the edge portions of the lattice structure were cut off by the trimming device, and the :
..
.
:~ :
.
202~436 structure was cut into a length of 3 m by the cross-cutter and withdrawn. The lattice structure thus obtained had a width of 2 m, the width of the longitudinal and transverse members was about 10 mmr and the size of the lattice was 150 mm x 150 mm. About 30 sheets of the lattice structure were taken out for 1 hour. This corresponds to about 10 times of the productivity as compared with the conventional manual method.
The present invention employs a continuous forming method, whereby FRP lattice structures of a constant guality can be produced in a large quantity in a short period of time. Further, by utilizing the tension of the longitudinal members, the press-bonding of the intersections of the lattice structure can be ensured.
Furthermore, when an ultraviolet curing method is employed, lattice structures of a high quality can be obtained in a still shorter period of time.
.,''.
.', : ' ~
Claims (4)
1. A method for continuously forming a fiber-reinforced plastic lattice structure, which method comprises:
providing an advancing carrier with guide pins extending therefrom; placing a plurality of linear longitudinal members of uncured resin-impregnated continuous filament fiber in parallel with the advancing direction of said carrier and separated from one another; advancing the longitudinal members together with the carrier; before or after the placement of the longitudinal members, placing transversely on the carrier a plurality of linear transverse members of uncured resin-impregnated continuous filament fiber to intersect the longitudinal members, so that the linear transverse members are guided in a combination of movements in the advancing direction of the carrier and in a direction traversing the advancing direction so that they are continually hooked on the guide pins and transversely placed on the carrier, and so that a lattice structure is formed by the longitudinal and transverse members; curing the lattice structure on the advancing carrier; and then cutting the structure.
providing an advancing carrier with guide pins extending therefrom; placing a plurality of linear longitudinal members of uncured resin-impregnated continuous filament fiber in parallel with the advancing direction of said carrier and separated from one another; advancing the longitudinal members together with the carrier; before or after the placement of the longitudinal members, placing transversely on the carrier a plurality of linear transverse members of uncured resin-impregnated continuous filament fiber to intersect the longitudinal members, so that the linear transverse members are guided in a combination of movements in the advancing direction of the carrier and in a direction traversing the advancing direction so that they are continually hooked on the guide pins and transversely placed on the carrier, and so that a lattice structure is formed by the longitudinal and transverse members; curing the lattice structure on the advancing carrier; and then cutting the structure.
2. The method according to claim 1, wherein the placement of the linear transverse members and the placement of the linear longitudinal members are repeated alternately, so as to form a laminated lattice structure in which the intersections of the longitudinal and transverse members are at least three-ply lamination.
3. The method according to claim 1 or 2, wherein the intersections of the longitudinal and transverse members are press-bonded by the tension of the linear longitudinal members.
4. The method according to claim 1, 2, or 3, wherein the carrier is a belt conveyor or a bar conveyor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP172007/1989 | 1989-07-05 | ||
| JP1172007A JP2675865B2 (en) | 1989-07-05 | 1989-07-05 | Continuous molding method for fiber-reinforced synthetic resin lattice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2020436A1 CA2020436A1 (en) | 1991-01-06 |
| CA2020436C true CA2020436C (en) | 1998-12-01 |
Family
ID=15933792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002020436A Expired - Lifetime CA2020436C (en) | 1989-07-05 | 1990-07-04 | Method for continuously forming a fiber reinforced plastic lattice structure |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2675865B2 (en) |
| KR (1) | KR0157420B1 (en) |
| CA (1) | CA2020436C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2689843B2 (en) * | 1993-03-11 | 1997-12-10 | 鹿島建設株式会社 | CFRP reinforcing bar arrangement method and arrangement apparatus |
| JP2003103642A (en) * | 2001-09-28 | 2003-04-09 | Asahi Glass Matex Co Ltd | Method for continuous production of lattice-shaped body made of fiber-reinforced synthetic resin |
| EP3315288A1 (en) * | 2016-10-31 | 2018-05-02 | OCV Intellectual Capital, LLC | Method and apparatus for manufacturing dry liners for pipe repair |
| KR102060285B1 (en) * | 2019-10-01 | 2019-12-27 | 주식회사 위드림 | Method for manufacturing frp-mesh for reinforcing concrete |
| WO2021132737A1 (en) * | 2019-12-23 | 2021-07-01 | 코오롱플라스틱 주식회사 | Production method for thermoplastic composite woven sheet, production apparatus using same, and woven sheet produced thereby |
| CN111531921A (en) * | 2020-05-07 | 2020-08-14 | 江苏绿材谷新材料科技发展有限公司 | Continuous FRP grid production equipment and production method |
| CN113529282B (en) * | 2021-07-26 | 2023-02-03 | 大连塑研塑料科技开发有限公司 | Method and device for cross gridding reciprocating motion of three-dimensional silk pad handpiece template |
-
1989
- 1989-07-05 JP JP1172007A patent/JP2675865B2/en not_active Expired - Lifetime
-
1990
- 1990-06-29 KR KR1019900009764A patent/KR0157420B1/en not_active IP Right Cessation
- 1990-07-04 CA CA002020436A patent/CA2020436C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR910002586A (en) | 1991-02-25 |
| CA2020436A1 (en) | 1991-01-06 |
| JP2675865B2 (en) | 1997-11-12 |
| JPH0338325A (en) | 1991-02-19 |
| KR0157420B1 (en) | 1998-12-01 |
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