GB1463769A - Processes and apparatus for making glass-fibre reinforced board - Google Patents
Processes and apparatus for making glass-fibre reinforced boardInfo
- Publication number
- GB1463769A GB1463769A GB1501274A GB1501274A GB1463769A GB 1463769 A GB1463769 A GB 1463769A GB 1501274 A GB1501274 A GB 1501274A GB 1501274 A GB1501274 A GB 1501274A GB 1463769 A GB1463769 A GB 1463769A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slurry
- mat
- boarding
- water
- belt
- 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
- 239000003365 glass fiber Substances 0.000 title abstract 7
- 239000002002 slurry Substances 0.000 abstract 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 239000004568 cement Substances 0.000 abstract 2
- 239000004744 fabric Substances 0.000 abstract 2
- 239000004088 foaming agent Substances 0.000 abstract 2
- 239000007921 spray Substances 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052925 anhydrite Inorganic materials 0.000 abstract 1
- 239000007900 aqueous suspension Substances 0.000 abstract 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 abstract 1
- 238000005187 foaming Methods 0.000 abstract 1
- 229910052602 gypsum Inorganic materials 0.000 abstract 1
- 239000010440 gypsum Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000395 magnesium oxide Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 239000001397 quillaja saponaria molina bark Substances 0.000 abstract 1
- 229930182490 saponin Natural products 0.000 abstract 1
- 150000007949 saponins Chemical class 0.000 abstract 1
- 239000002356 single layer Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/02—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material with fibres or particles being present as additives in the layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
- B28B1/522—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement for producing multi-layered articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
- B28B1/526—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement by delivering the materials on a conveyor of the endless-belt type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
- B28B5/02—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type
- B28B5/026—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type the shaped articles being of indefinite length
- B28B5/027—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type the shaped articles being of indefinite length the moulding surfaces being of the indefinite length type, e.g. belts, and being continuously fed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
- B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2607/00—Walls, panels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Producing Shaped Articles From Materials (AREA)
Abstract
1463769 Continuously producing fibre-glass-reinforced slurry boarding ONODA CEMENT CO Ltd 4 April 1974 [18 April 1973 (3)] 15012/74 Heading B5A [Also in Division B2] A cementitious slurry and chopped glass fibres are sprayed from respective separate heads 11, 10 on to a conveyer belt to continuously form boarding, the separate streams of slurry and glass fibres being mixed intimately in the space between the spray heads 11, 10 and the belt. In a preferred embodiment for producing layered boarding, a cementitious powder 1 and aqueous solution or water 8 are fed as a slurry to a tank 5 by a mixer 4. The slurry and glass fibres cut from a roving are sprayed simultaneously on to the conveyer belt by at least one pair of heads 11, 10 movable with the conveyer, which comprises a rough rubber belt 12c, porous steel belt 12b and filter cloth 12a. The three belts are water-washed at 20 and the filter cloth 12a dried by rollers 23 and a suction box 24. Individually controllable suction boxes 14 apply pulsed suction forces to remove the aqueous solution of water from the mat M and recirculate it through gas/ liquid separators 15. Rolls 13 level the mat M and needle it to provide a rough surface. A blower 17 aids transfer of the mat M to a second conveyer belt at H where further chopped glass fibres and an air-entraining slurry are applied simultaneously by spray heads 37, 38, to form a lightweight mat M<SP>1</SP>. This slurry is mixed at 28 with air bubbles produced by mixing a foaming agent with water at 34 and feeding the air bubbles through a foaming machine 35. The upper surface of the mat M<SP>1</SP> is finished by rollers 40, a vibrating plate 41 and a patterned roller 42. A third layer of non-foamed slurry and fibres can be applied. The layered boarding is cut by a cutter 43 and passes through a curing oven 45. In further embodiments, the mats M, M<SP>1</SP> are moulded on respective conveyer belts to provide single layer boarding. Materials.-The slurry is formed from an aqueous suspension of admixtures of Portland, alumina or magnesia cement, gypsum, calcium sulfate hemihydrate, anhydrite, retarders, accelerators, waterproofers and dispersers, with (2-30) % by weight of alkali-resistant glass fibre for the mat M and (0À5-5)% by weight of glass fibre for the air-entrained mat M<SP>1</SP>. The foaming agent comprises saponin.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP48043108A JPS49130417A (en) | 1973-04-18 | 1973-04-18 | |
| JP4310773A JPS542218B2 (en) | 1973-04-18 | 1973-04-18 | |
| JP4310673A JPS5233645B2 (en) | 1973-04-18 | 1973-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1463769A true GB1463769A (en) | 1977-02-09 |
Family
ID=27291439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1501274A Expired GB1463769A (en) | 1973-04-18 | 1974-04-04 | Processes and apparatus for making glass-fibre reinforced board |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2417558A1 (en) |
| FR (1) | FR2226255B1 (en) |
| GB (1) | GB1463769A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4288563A (en) | 1978-03-23 | 1981-09-08 | Imperial Chemical Industries Limited | Process for the manufacture of a glass fibre-reinforced plastics article and a glass fibre paste or slurry for use in the process |
| US4379729A (en) | 1979-08-09 | 1983-04-12 | Tarmac Industrial Holdings Limited | Method and apparatus for the production of composite sheet material and a sheet material produced thereby |
| US7754052B2 (en) | 2006-11-01 | 2010-07-13 | United States Gypsum Company | Process and apparatus for feeding cementitious slurry for fiber-reinforced structural cement panels |
| US8038915B2 (en) | 2006-11-01 | 2011-10-18 | United States Gypsum Company | Panel smoothing process and apparatus for forming a smooth continuous surface on fiber-reinforced structural cement panels |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1518144A (en) * | 1975-07-04 | 1978-07-19 | Pilkington Brothers Ltd | Glass fibre reinforced cement composite materials |
| JPS5354219A (en) * | 1976-10-28 | 1978-05-17 | Asahi Glass Co Ltd | Continuous process for production of f r c and apparatus therefor |
| JPS5363419A (en) * | 1976-11-18 | 1978-06-06 | Asahi Glass Co Ltd | Spraying appratus for grc |
| DE2923936C2 (en) * | 1979-06-11 | 1985-09-19 | Ametex AG, Niederurnen | Process for the manufacture of a product from fibers and a binder |
| DE2927992C2 (en) * | 1979-07-09 | 1984-09-20 | Amiantus AG, Niederurnen | Process for the manufacture of a product from fiber-cement suspensions |
| IE49426B1 (en) * | 1980-03-18 | 1985-10-02 | Tegral Technology Ltd | Method of making asbestos-free,glass fibre reinforced,cement composite products and the products of such method |
| DE3118656A1 (en) * | 1981-05-11 | 1982-11-25 | Basf Ag, 6700 Ludwigshafen | METHOD FOR PRODUCING (ALPHA), SS-UNSATURATED ALDEHYDES AND 2,7-DIMETHYL-2,6-OCTADIENAL |
| FR2508599B1 (en) * | 1981-06-26 | 1986-03-28 | Marchal Equip Auto | METHOD OF MANUFACTURING A REFLECTIVE METAL SURFACE, REFLECTOR OBTAINED BY SAID METHOD AND ITS USE FOR A LIGHTING PROJECTOR |
| GB2148871B (en) * | 1983-10-31 | 1987-01-07 | Pilkington Brothers Plc | Sheet material of fibre-reinforced cement |
| US7513963B2 (en) * | 2006-11-01 | 2009-04-07 | United States Gypsum Company | Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels |
| US7524386B2 (en) * | 2006-11-01 | 2009-04-28 | United States Gypsum Company | Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels |
-
1974
- 1974-04-04 GB GB1501274A patent/GB1463769A/en not_active Expired
- 1974-04-10 DE DE2417558A patent/DE2417558A1/en not_active Withdrawn
- 1974-04-18 FR FR7413511A patent/FR2226255B1/fr not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4288563A (en) | 1978-03-23 | 1981-09-08 | Imperial Chemical Industries Limited | Process for the manufacture of a glass fibre-reinforced plastics article and a glass fibre paste or slurry for use in the process |
| US4366287A (en) | 1978-03-23 | 1982-12-28 | Imperial Chemical Industries Limited | Glass fibre/synthetic resin paste or slurry |
| US4379729A (en) | 1979-08-09 | 1983-04-12 | Tarmac Industrial Holdings Limited | Method and apparatus for the production of composite sheet material and a sheet material produced thereby |
| US7754052B2 (en) | 2006-11-01 | 2010-07-13 | United States Gypsum Company | Process and apparatus for feeding cementitious slurry for fiber-reinforced structural cement panels |
| US8038915B2 (en) | 2006-11-01 | 2011-10-18 | United States Gypsum Company | Panel smoothing process and apparatus for forming a smooth continuous surface on fiber-reinforced structural cement panels |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2226255A1 (en) | 1974-11-15 |
| FR2226255B1 (en) | 1978-03-31 |
| DE2417558A1 (en) | 1974-11-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |