GB903734A - Processes for the manufacture of hollow articles from reinforced synthetic resins - Google Patents
Processes for the manufacture of hollow articles from reinforced synthetic resinsInfo
- Publication number
- GB903734A GB903734A GB3182558A GB3182558A GB903734A GB 903734 A GB903734 A GB 903734A GB 3182558 A GB3182558 A GB 3182558A GB 3182558 A GB3182558 A GB 3182558A GB 903734 A GB903734 A GB 903734A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mould
- resin
- pipe
- air
- compressed air
- 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
Links
Classifications
-
- 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
- B29D24/00—Producing articles with hollow walls
- B29D24/002—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled
- B29D24/008—Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled the structure having hollow ridges, ribs or cores
-
- 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
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
- B29C70/443—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding and impregnating by vacuum or injection
-
- 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
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/44—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using isostatic pressure, e.g. pressure difference-moulding, vacuum bag-moulding, autoclave-moulding or expanding rubber-moulding
- B29C70/446—Moulding structures having an axis of symmetry or at least one channel, e.g. tubular structures, frames
-
- 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
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/86—Incorporated in coherent impregnated reinforcing layers, e.g. by winding
- B29C70/865—Incorporated in coherent impregnated reinforcing layers, e.g. by winding completely encapsulated
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/10—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies
- B29C43/12—Isostatic pressing, i.e. using non-rigid pressure-exerting members against rigid parts or dies using bags surrounding the moulding material or using membranes contacting the moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
903,734. Moulding hollow articles. KEPKA, A., and KEPKA, S. Oct. 6, 1958 [Oct. 5, 1957; April 9, 1958], No. 31825/58. Class 87(2). Fibre-resin articles are moulded in a closed mould 1a 2a by removing air from the mould through a pipe 7, and then pressing the fibre and resin by an inflatable bag 3a which is supplied with compressed air through a pipe 9. The resin may be fed to the mould, if necessary under pressure, before, during or after the vacuum operation. The fibrous material may be cured or uncured resin reinforced fibrous mats, which may abut as at 6 against the sides of the mould. In a modification, Fig. 6, preformed resin impregnated mats 45, 46 are placed in a mould cavity 23 between mould parts 20, 21, 22, resin 49 is poured into a mould cavity and the mould tightly sealed by supplying compressed air to an inflatable member 40. Compressed air is also supplied through a pipe 32 to inflatable members 31 to seal channels 24. Vacuum is then applied to pipes 29, 30 to exhaust the air from the mould. The inflatable members 28 are supplied with compressed air to completely seal the mould, and the member 47 is inflated to press the fibre and resin against the mould. Subsequently air is exhausted from the members 38<SP>1</SP>, to allow excess resin to pass from the mould cavity to the channels 24 and out through pipes 42. In a modification, Fig. 7 (not shown), an apparatus similar to that shown in Fig. 6 is located within a closed autoclave. In a further modification, Fig. 8, the moulded article may be formed with a foamed filling by clamping preformed resin sheets 62 between mould parts 60, 61 enclosing foamable or partly foamed material P, placing resin in the mould cavity 66, sucking air from the mould cavity through a pipe 67, and supplying cold or hot air and simultaneously or successively hot air or water through the pipe 65 to foam the material P. Alternatively, the material may be foamed by a chemical agent in which case the pipe 65 is dispensed with. The inner walls of the sheets 62 may be coated with an adhesive. In a further modification, Figs. 9 and 10 (not shown), an inflatable member may be provided within the foamed material to form a hollow in it.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1957K0033081 DE1245581B (en) | 1957-10-05 | 1957-10-05 | Method for the production of hollow objects from reinforced with fiber material, castable plastics, in particular window frames, doors or the like. |
DEK34557A DE1262011B (en) | 1958-04-09 | 1958-04-09 | Process for the production of closed hollow bodies from fiber-reinforced cold-curing synthetic resins |
Publications (1)
Publication Number | Publication Date |
---|---|
GB903734A true GB903734A (en) | 1962-08-15 |
Family
ID=25983043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3182558A Expired GB903734A (en) | 1957-10-05 | 1958-10-06 | Processes for the manufacture of hollow articles from reinforced synthetic resins |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB903734A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0141440A2 (en) * | 1983-09-13 | 1985-05-15 | Matec Holding Ag | Method of producing double-walled moulded bodies for the sound-damping of vehicles and engines in general by means of a single pressing step, and double-walled moulded bodies produced by this method |
WO1985005069A1 (en) * | 1984-05-09 | 1985-11-21 | Hughes Aircraft Company | Method of fabricating composite or encapsulated articles |
FR2586966A1 (en) * | 1985-09-11 | 1987-03-13 | France Etat Armement | MULTICHANNEL STRUCTURES IN COMPOSITE MATERIALS, METHODS AND SEMI-PRODUCTS FOR MANUFACTURING THEREOF |
US4681718A (en) * | 1984-05-09 | 1987-07-21 | Hughes Aircraft Company | Method of fabricating composite or encapsulated articles |
EP0243751A2 (en) * | 1986-04-21 | 1987-11-04 | The Budd Company | A method of forming an integral reinforced structure having sections extending in different directions |
FR2720028A1 (en) * | 1994-05-18 | 1995-11-24 | Aerospatiale | Variable volume injection mould for composite material parts |
CN110450322A (en) * | 2019-07-31 | 2019-11-15 | 西安航空职业技术学院 | Polymer matrix composites molding expansion inflating mold |
WO2020122863A1 (en) * | 2018-12-11 | 2020-06-18 | General Electric Company | Method for manufacturing a fiber reinforced polymer composite beam, particularly a spar beam for a wind turbine rotor blade |
-
1958
- 1958-10-06 GB GB3182558A patent/GB903734A/en not_active Expired
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0141440A3 (en) * | 1983-09-13 | 1987-04-01 | Matec Holding Ag | Method of producing double-walled moulded bodies for the sound-damping of vehicles and engines in general by means of a single pressing step, and double-walled moulded bodies produced by this method |
EP0141440A2 (en) * | 1983-09-13 | 1985-05-15 | Matec Holding Ag | Method of producing double-walled moulded bodies for the sound-damping of vehicles and engines in general by means of a single pressing step, and double-walled moulded bodies produced by this method |
WO1985005069A1 (en) * | 1984-05-09 | 1985-11-21 | Hughes Aircraft Company | Method of fabricating composite or encapsulated articles |
US4681718A (en) * | 1984-05-09 | 1987-07-21 | Hughes Aircraft Company | Method of fabricating composite or encapsulated articles |
EP0215698A3 (en) * | 1985-09-11 | 1989-03-01 | Etat-Francais Represente Par Le Delegue General Pour L'armement (Dpag) | Composite multichanneled structures, processes and semi-products for producing them |
FR2586966A1 (en) * | 1985-09-11 | 1987-03-13 | France Etat Armement | MULTICHANNEL STRUCTURES IN COMPOSITE MATERIALS, METHODS AND SEMI-PRODUCTS FOR MANUFACTURING THEREOF |
EP0215698A2 (en) * | 1985-09-11 | 1987-03-25 | ETAT-FRANCAIS représenté par le DELEGUE GENERAL POUR L'ARMEMENT (DPAG) | Composite multichanneled structures, processes and semi-products for producing them |
EP0243751A2 (en) * | 1986-04-21 | 1987-11-04 | The Budd Company | A method of forming an integral reinforced structure having sections extending in different directions |
EP0243751A3 (en) * | 1986-04-21 | 1989-03-08 | The Budd Company | A method of forming an integral reinforced structure having sections extending in different directions |
FR2720028A1 (en) * | 1994-05-18 | 1995-11-24 | Aerospatiale | Variable volume injection mould for composite material parts |
WO2020122863A1 (en) * | 2018-12-11 | 2020-06-18 | General Electric Company | Method for manufacturing a fiber reinforced polymer composite beam, particularly a spar beam for a wind turbine rotor blade |
CN113382849A (en) * | 2018-12-11 | 2021-09-10 | 通用电气公司 | Method for manufacturing a fibre-reinforced polymer composite beam, in particular an airfoil beam for a wind turbine rotor blade |
US11628634B2 (en) | 2018-12-11 | 2023-04-18 | General Electric Company | Method for manufacturing a fiber reinforced polymer composite beam, particularly a spar beam for a wind turbine rotor blade |
CN110450322A (en) * | 2019-07-31 | 2019-11-15 | 西安航空职业技术学院 | Polymer matrix composites molding expansion inflating mold |
CN110450322B (en) * | 2019-07-31 | 2021-06-01 | 西安航空职业技术学院 | Resin-based composite material forming expansion inflation mould |
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