WO1997002131A1 - Verfahren, vorrichtung und armierung von faserarmierten kunststoffteilen - Google Patents
Verfahren, vorrichtung und armierung von faserarmierten kunststoffteilen Download PDFInfo
- Publication number
- WO1997002131A1 WO1997002131A1 PCT/CH1996/000244 CH9600244W WO9702131A1 WO 1997002131 A1 WO1997002131 A1 WO 1997002131A1 CH 9600244 W CH9600244 W CH 9600244W WO 9702131 A1 WO9702131 A1 WO 9702131A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reinforcement
- rods
- reinforced plastic
- fiber
- casting mold
- Prior art date
Links
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
- B29C70/26—Non-fibrous reinforcements only
-
- 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
- B29D28/00—Producing nets or the like, e.g. meshes, lattices
- B29D28/005—Reticulated structure comprising reinforcements of substantial or continuous length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/10—Cords, strands or rovings, e.g. oriented cords, strands or rovings
- B29K2105/101—Oriented
- B29K2105/108—Oriented arranged in parallel planes and crossing at substantial angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/20—Inserts
- B29K2105/206—Meshes, lattices or nets
Definitions
- Highly stressed plastic parts are used to increase their strength with fibers or fibrous materials, e.g. Glass fibers, carbon fibers or textile fibers reinforced.
- the hand laying process (laminating process) is known and very versatile.
- resin-impregnated fibers in the form of mats, fabrics, nonwovens or tapes etc. are overlapped on a negative mold and cured.
- this method is very labor intensive and costly.
- the present invention has for its object to provide a method for producing a reinforcement, a reinforcement and a fiber-reinforced plastic to create a product that combines the advantages of the aforementioned processes, reinforcements and products. This object is achieved by the combinations of features of the claims.
- 1 is a plan view of a gauge with reinforcing bars
- FIG. 1 and 2 show the production of a reinforcement grid 1 for a grating.
- a teaching 2 consisting, for example, of a flat plate 3 and pins 4 projecting vertically thereon, a first layer 5 of fiber-reinforced plastic rods is provided 6 laid.
- the rods 6 are positioned by the pins 4, are parallel to one another and have a regular spacing from one another.
- the rods 6 have a high fiber content of over 60% of e.g. Fiberglass.
- the rods 6 are preferably produced by pulling glass fiber rows through a bath of liquid, U-V-active synthetic resin and then through several, constantly narrowing perforated screens, in which the superfluous synthetic resin is stripped off and the fibers are optimally wetted. After the last aperture, the strand is exposed to strong UV light so that the synthetic resin hardens. After a take-off device, the continuously drawn, finished, glass-fiber-reinforced plastic rod is cut to the desired length by means of a cutting device. Because the glass fibers are under tension during the hardening of the synthetic resin, the unidirectionally oriented fibers in the finished rod 6 are exactly straight and biased. This ensures a very high level of strength and rigidity. A glass fiber content of around 73% can be achieved with this process.
- a second layer 7 of bars 6 is placed crosswise, which are also positioned by pins 4, are oriented perpendicular to the bars 6 of the first layer and are also at a regular distance from one another.
- a third layer 8, which is congruent with the first layer 5, is applied to the second layer 7 and placed on top of this a fourth layer 9 of rods 6, which is congruent with the second layer 7.
- the number of layers to be laid depends on the bar diameter and the thickness of the grating to be produced.
- Several thin rods can also be placed next to each other per layer and web, or the rods 6 can have a rectangular cross section. This can improve the connection at the crossing points.
- the above process can be automated in that the rods 6 are inserted mechanically into the gauge and the dripping of synthetic resin is carried out by means of a carriage which can be shifted via the gauge with a series of valve-controlled outlet openings for the synthetic resin.
- a frame 17, which determines the outer shape of the grating to be produced, is clamped onto a horizontal, flat table 15 of a casting station 16 which is movable in the longitudinal direction.
- a measured amount of liquid synthetic resin is filled into the frame 17 in accordance with the resin volume of the grating to be produced.
- the reinforcement grid 1 is then inserted into the frame 17.
- the table 15 is moved under a shaped element 18.
- the shaped element 18 consists of a welded grid made of square steel tubes 19.
- tubes 19 rectangular, prismatic, hollow GRP molded bodies 22 are held by tubes 25 with rubber suction cups 23 at regular intervals in accordance with the grid dimension of the reinforcement grid 1 and precisely positioned, for. B. by linear contact with attached to the tubes 25 fins 26 (Fig. 4).
- the moldings have a smooth inner wall and a bottom 24 and serve as form-giving formwork which is made from the same synthetic resin and glass rowing using a steel press mold under the action of heat.
- the polymerization is then carried out by the accelerators and hardeners added to the liquid synthetic resin.
- the rubber suction cups 23 are loosened, so that the shaped element 18 is lifted off the table 15 by means of a cylinder unit 30 and the grating with the permanently connected formwork and reinforcing grating 1 enclosed therebetween is removed from the frame 17.
- the demolding can take place before the synthetic resin has fully hardened.
- the grate is placed on a flat surface. To accelerate this hardener, the pad can pass through an oven. After complete curing, the upper and lower sides of the grate are ground flat.
- the reinforcement is manufactured as a complete semi-finished product regardless of the casting process and can be stored temporarily. As a result, both the casting station and the device for producing the reinforcement can be optimally utilized.
- the shaped bodies 22 are prismatic. As a result, the side walls of the grate bars are parallel. The grids can therefore be used equally on both sides.
- the mold can be removed shortly after the resin has gelled. The complete polymerization takes place outside the mold, which enables a high work rate. According to the described process, grates (structural panels) that are closed on one side can be produced with the same system.
- Different patterns can be created by coloring the formwork and the filling resin differently.
- the edges of the grate webs are reinforced by the fiber-reinforced molded body 22. This increases the impact resistance.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU61203/96A AU6120396A (en) | 1995-07-03 | 1996-07-03 | Process and device for constituting a reinforcement from fibre-reinforced plastic parts and reinforcement obtained according to this process |
EP96918575A EP0836552A1 (de) | 1995-07-03 | 1996-07-03 | Verfahren, vorrichtung und armierung von faserarmierten kunststoffteilen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1940/95-7 | 1995-07-03 | ||
CH194095 | 1995-07-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997002131A1 true WO1997002131A1 (de) | 1997-01-23 |
Family
ID=4222161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH1996/000244 WO1997002131A1 (de) | 1995-07-03 | 1996-07-03 | Verfahren, vorrichtung und armierung von faserarmierten kunststoffteilen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0836552A1 (de) |
AU (1) | AU6120396A (de) |
WO (1) | WO1997002131A1 (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998037988A1 (en) * | 1997-03-01 | 1998-09-03 | United Wire Limited | Improved filtering screen and support frame therefor |
DE10315365A1 (de) * | 2003-04-03 | 2004-10-21 | Krüger, Robert | Schutzeinsatz für Licht- und/oder Lüftungsschächte |
EP1785262A1 (de) * | 2005-11-10 | 2007-05-16 | Gse Lining Technology Inc. | Erdbaugitter für eine Geo-Verbundmembran |
EP2700494A1 (de) * | 2012-08-24 | 2014-02-26 | TB Composites Limited | Faserverstärkte Verbundstruktur |
CN106182503A (zh) * | 2016-07-18 | 2016-12-07 | 南通汇泽新材料有限公司 | 一种玻璃钢格栅成型模具 |
FR3081760A1 (fr) * | 2018-06-04 | 2019-12-06 | Conseil Et Technique | Procede de fabrication d'une piece en materiau composite |
WO2019234625A1 (fr) * | 2018-06-04 | 2019-12-12 | Conseil Et Technique | Procede de fabrication d'une piece en materiau composite |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115256796B (zh) * | 2022-09-27 | 2022-12-09 | 四川纤谷塑业有限公司 | 一种玄武岩纤维复合材料的成型工艺 |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1225881A (de) * | 1969-05-21 | 1971-03-24 | ||
US3678147A (en) * | 1970-04-13 | 1972-07-18 | Lee H Patchen | A method for making reinforced grating |
US3843303A (en) * | 1968-11-29 | 1974-10-22 | J Medney | Apparatus for making resin bonded glass fiber articles |
US3914368A (en) * | 1974-04-24 | 1975-10-21 | Combustion Eng | Method of making metal reinforced plastic screen |
GB1456642A (en) * | 1973-11-07 | 1976-11-24 | British Aircraft Corp Ltd | Composite structures |
US4028460A (en) * | 1971-01-27 | 1977-06-07 | Sybron Corporation | Method for making fiber reinforced resin grating |
DE2852350A1 (de) * | 1978-12-04 | 1980-06-12 | Martin Stroeer | Verfahren zur herstellung von gitterrosten aus glasfaserverstaerktem kunststoff und vorrichtung zur durchfuehrung des verfahrens |
GB2070098A (en) * | 1980-01-15 | 1981-09-03 | Brockhouse Ltd | Panel Structure |
DE4005772A1 (de) * | 1990-02-23 | 1991-09-05 | Deutsche Forsch Luft Raumfahrt | Stabfoermiger koerper und verfahren zu dessen herstellung |
US5332462A (en) * | 1992-09-08 | 1994-07-26 | Myers Robert E | Apparatus for assembling fiberglass grating from pultruded fiberglass grating bars |
JPH06330586A (ja) * | 1993-05-24 | 1994-11-29 | Mitsui Constr Co Ltd | コンクリート補強筋及びその製造方法 |
-
1996
- 1996-07-03 AU AU61203/96A patent/AU6120396A/en not_active Abandoned
- 1996-07-03 WO PCT/CH1996/000244 patent/WO1997002131A1/de not_active Application Discontinuation
- 1996-07-03 EP EP96918575A patent/EP0836552A1/de not_active Withdrawn
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3843303A (en) * | 1968-11-29 | 1974-10-22 | J Medney | Apparatus for making resin bonded glass fiber articles |
GB1225881A (de) * | 1969-05-21 | 1971-03-24 | ||
US3678147A (en) * | 1970-04-13 | 1972-07-18 | Lee H Patchen | A method for making reinforced grating |
US4028460A (en) * | 1971-01-27 | 1977-06-07 | Sybron Corporation | Method for making fiber reinforced resin grating |
GB1456642A (en) * | 1973-11-07 | 1976-11-24 | British Aircraft Corp Ltd | Composite structures |
US3914368A (en) * | 1974-04-24 | 1975-10-21 | Combustion Eng | Method of making metal reinforced plastic screen |
DE2852350A1 (de) * | 1978-12-04 | 1980-06-12 | Martin Stroeer | Verfahren zur herstellung von gitterrosten aus glasfaserverstaerktem kunststoff und vorrichtung zur durchfuehrung des verfahrens |
GB2070098A (en) * | 1980-01-15 | 1981-09-03 | Brockhouse Ltd | Panel Structure |
DE4005772A1 (de) * | 1990-02-23 | 1991-09-05 | Deutsche Forsch Luft Raumfahrt | Stabfoermiger koerper und verfahren zu dessen herstellung |
US5332462A (en) * | 1992-09-08 | 1994-07-26 | Myers Robert E | Apparatus for assembling fiberglass grating from pultruded fiberglass grating bars |
JPH06330586A (ja) * | 1993-05-24 | 1994-11-29 | Mitsui Constr Co Ltd | コンクリート補強筋及びその製造方法 |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 94, no. 011 * |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6675975B1 (en) | 1997-03-01 | 2004-01-13 | United Wire Limited | Filtering screen and support frame therefor |
AU724886B2 (en) * | 1997-03-01 | 2000-10-05 | United Wire Limited | Improved filtering screen and support frame therefor |
WO1998037988A1 (en) * | 1997-03-01 | 1998-09-03 | United Wire Limited | Improved filtering screen and support frame therefor |
EP1205262A2 (de) * | 1997-03-01 | 2002-05-15 | United Wire Limited | Filtersieb |
EP1205265A2 (de) * | 1997-03-01 | 2002-05-15 | United Wire Limited | Stützrahmen für ein Filtersieb |
EP1205265A3 (de) * | 1997-03-01 | 2002-05-22 | United Wire Limited | Stützrahmen für ein Filtersieb |
EP1205262A3 (de) * | 1997-03-01 | 2002-05-22 | United Wire Limited | Filtersieb |
EP1205261A3 (de) * | 1997-03-01 | 2002-05-22 | United Wire Limited | Verstärkung für einen geformten Stützrahmen eines Filtersiebes |
EP1205261A2 (de) * | 1997-03-01 | 2002-05-15 | United Wire Limited | Verstärkung für einen geformten Stützrahmen eines Filtersiebes |
DE10315365A1 (de) * | 2003-04-03 | 2004-10-21 | Krüger, Robert | Schutzeinsatz für Licht- und/oder Lüftungsschächte |
DE10315365B4 (de) * | 2003-04-03 | 2010-12-23 | Lämmermann, Gerd | Verfahren und Vorrichtung zur Herstellung eines Gitterrostes für einen Schutzeinsatz für Licht- und/oder Lüftungsschächte |
US7470094B2 (en) | 2005-11-10 | 2008-12-30 | Gse Lining Technology, Inc. | Geonet for a geocomposite |
EP1785262A1 (de) * | 2005-11-10 | 2007-05-16 | Gse Lining Technology Inc. | Erdbaugitter für eine Geo-Verbundmembran |
EP2700494A1 (de) * | 2012-08-24 | 2014-02-26 | TB Composites Limited | Faserverstärkte Verbundstruktur |
WO2014029881A1 (en) * | 2012-08-24 | 2014-02-27 | Tb Composites Limited | A method of making a composite structure |
CN106182503A (zh) * | 2016-07-18 | 2016-12-07 | 南通汇泽新材料有限公司 | 一种玻璃钢格栅成型模具 |
FR3081760A1 (fr) * | 2018-06-04 | 2019-12-06 | Conseil Et Technique | Procede de fabrication d'une piece en materiau composite |
WO2019234625A1 (fr) * | 2018-06-04 | 2019-12-12 | Conseil Et Technique | Procede de fabrication d'une piece en materiau composite |
US11858201B2 (en) | 2018-06-04 | 2024-01-02 | Conseil Et Technique | Method for manufacturing a part made from composite material |
Also Published As
Publication number | Publication date |
---|---|
EP0836552A1 (de) | 1998-04-22 |
AU6120396A (en) | 1997-02-05 |
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