GB1466663A - Producing products from dry particulate material and a liquid - Google Patents
Producing products from dry particulate material and a liquidInfo
- Publication number
- GB1466663A GB1466663A GB1873773A GB1873773A GB1466663A GB 1466663 A GB1466663 A GB 1466663A GB 1873773 A GB1873773 A GB 1873773A GB 1873773 A GB1873773 A GB 1873773A GB 1466663 A GB1466663 A GB 1466663A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vacuum
- cement
- moulds
- mould
- hopper
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
-
- 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
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/006—Pressing by atmospheric pressure, as a result of vacuum generation or by gas or liquid pressure acting directly upon the material, e.g. jets of compressed air
-
- 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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
- B28B7/46—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for humidifying or dehumidifying
- B28B7/465—Applying setting liquid to dry mixtures
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Aftertreatments Of Artificial And Natural Stones (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
1466663 Wetting concrete G MATTHEWS RESEARCH & DEVELOPMENT CO Ltd 2 April 1974 [18 April 1973] 18737/73 Heading B5A Dry particulate material (e.g. cement with granite, or quick setting plaster of Paris with exfoliated mica) is placed in a mould, and a vacuum applied to a first portion of the surface of the material to cause compaction. Liquid (e.g. water) is applied to a second part of the surface for drawing in by the vacuum. Further compaction does not occur after the liquid has been applied to the surface. As described for moulding concrete articles, a wetted filter paper is placed in each of an endless procession of pivotally interconnected moulds 20 (Fig. 3), to the base of each of which a vacuum is supplied by a pair of pipes 28. A hopper 48 containing a dry white cement, granite and colour pigment moves along with, and above, a first mould, moves down into the mould, and distributes the coloured cement &c. on the filter paper. The hopper 48 then rises and moves back to an initial position due to a counterweight 49, to repeat the feeding with successive moulds. As the moulds pass beneath a hopper 33, coloured or uncoloured dry cement and granite are sprinkled to fill the moulds, and the cement is levelled by a roller 60, while compacted by the applied vacuum. Water is sprayed from a pipe 64 (or flooded on from a filter cloth endless belt) and sucked into the cements, and excess removed, by the vacuum. As each mould base contacts a fixed rail, the vacuum is released from the contacting mould and replaced by a positive pressure that discharges the concrete article on to a pallet and carrier 66 (Fig. 7). The filter paper protects the concrete surface. The carrier moves along an inclined rail 68 to deposit the pallet on intermittently moving endless chains 70 (Fig. 3 also), and returns upwards with a fresh pallet to receive the next discharged article. One or both major surfaces of an article are textured or given an exposed aggregate finish. Moulds and vacuum.-Each mould 20 is open-topped and over its base receives in succession a wire or plastics mesh (or the base is channelled to define a grid), an apertured plate, the filter paper and a second apertured plate acting as a template to give an embossed surface to the concrete. The vacuum is applied to the bases of two moulds by pipes wound in opposition on a drum, and is fed to the remaining mould bases by interconnecting pipes. One of the drum wound pipes includes a concentric pipe leading to a positive pressure source. Hoppers.-The hopper 48 includes a wire mesh base and pattern plate through which material is fed by reciprocated scraper blades (51) (see Fig. 10, not reproduced). Hopper 33 includes an upstream outlet that sprinkles cement through a scalloped plate, to prevent disturbance of the coloured cement, and a downstream outlet that applies cement in bulk to fill the moulds.
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1873773A GB1466663A (en) | 1973-04-18 | 1973-04-18 | Producing products from dry particulate material and a liquid |
IE69774A IE39111B1 (en) | 1973-04-18 | 1974-04-01 | Producing products from dry particulate material and a liquid |
CA74196632A CA1048240A (en) | 1973-04-18 | 1974-04-02 | Method of molding concrete |
DE19742417553 DE2417553A1 (en) | 1973-04-18 | 1974-04-10 | METHOD AND DEVICE FOR MANUFACTURING A PRODUCT FROM CONCRETE OR SIMILAR MATERIALS |
CH517174A CH584598A5 (en) | 1973-04-18 | 1974-04-11 | |
SE7405097A SE397791B (en) | 1973-04-18 | 1974-04-16 | METHODS FOR MANUFACTURE OF CONCRETE PRODUCTS AND THE LIKE |
FR7413127A FR2226254A1 (en) | 1973-04-18 | 1974-04-16 | |
IT5042674A IT1005975B (en) | 1973-04-18 | 1974-04-17 | METHOD AND APPARATUS FOR PRODUCING CASTINGS OF CEMENTITIOUS MATERIAL |
NL7405175A NL7405175A (en) | 1973-04-18 | 1974-04-17 | |
JP4384574A JPS5030918A (en) | 1973-04-18 | 1974-04-18 | |
LU69888A LU69888A1 (en) | 1973-04-18 | 1974-04-18 | |
BE143352A BE813890A (en) | 1973-04-18 | 1974-04-18 | MANUFACTURING OF CONCRETE AND OTHER SIMILAR PRODUCTS |
ES425484A ES425484A1 (en) | 1973-04-18 | 1974-04-18 | Producing products from dry particulate material and a liquid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1873773A GB1466663A (en) | 1973-04-18 | 1973-04-18 | Producing products from dry particulate material and a liquid |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1466663A true GB1466663A (en) | 1977-03-09 |
Family
ID=10117549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1873773A Expired GB1466663A (en) | 1973-04-18 | 1973-04-18 | Producing products from dry particulate material and a liquid |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS5030918A (en) |
BE (1) | BE813890A (en) |
CA (1) | CA1048240A (en) |
CH (1) | CH584598A5 (en) |
DE (1) | DE2417553A1 (en) |
ES (1) | ES425484A1 (en) |
FR (1) | FR2226254A1 (en) |
GB (1) | GB1466663A (en) |
IE (1) | IE39111B1 (en) |
IT (1) | IT1005975B (en) |
LU (1) | LU69888A1 (en) |
NL (1) | NL7405175A (en) |
SE (1) | SE397791B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2945234A1 (en) * | 2009-05-11 | 2010-11-12 | Lafarge Sa | MOLDING DEVICE AND METHOD OF MANUFACTURING |
CN104476979A (en) * | 2015-01-03 | 2015-04-01 | 李�浩 | Special handicraft picture making method |
CN114211644A (en) * | 2021-12-21 | 2022-03-22 | 常州聚曜科技有限公司 | Drying hopper for plastic product processing |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0029430B1 (en) * | 1979-03-05 | 1983-07-13 | C.G. Bevan Associates Limited | Moulding of construction products |
JPS5830196B2 (en) * | 1979-07-25 | 1983-06-27 | 日本鋼管株式会社 | Sway reduction method |
BR8108680A (en) * | 1980-01-07 | 1982-08-10 | Bevan Ass C G | PROCESS OF PRODUCTION OF MOLDED CONSTRUCTION PRODUCTS FROM A LIQUID MIXTURE OF HARDENING MATERIALS IN FINE AND COARSE PARTICLES |
EP0150519A1 (en) * | 1984-01-30 | 1985-08-07 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO | Method for producing an object of a composite material consisting of a body of a porous material and another material infiltrated into said body |
-
1973
- 1973-04-18 GB GB1873773A patent/GB1466663A/en not_active Expired
-
1974
- 1974-04-01 IE IE69774A patent/IE39111B1/en unknown
- 1974-04-02 CA CA74196632A patent/CA1048240A/en not_active Expired
- 1974-04-10 DE DE19742417553 patent/DE2417553A1/en active Pending
- 1974-04-11 CH CH517174A patent/CH584598A5/xx not_active IP Right Cessation
- 1974-04-16 FR FR7413127A patent/FR2226254A1/fr not_active Withdrawn
- 1974-04-16 SE SE7405097A patent/SE397791B/en unknown
- 1974-04-17 NL NL7405175A patent/NL7405175A/xx not_active Application Discontinuation
- 1974-04-17 IT IT5042674A patent/IT1005975B/en active
- 1974-04-18 LU LU69888A patent/LU69888A1/xx unknown
- 1974-04-18 JP JP4384574A patent/JPS5030918A/ja active Pending
- 1974-04-18 BE BE143352A patent/BE813890A/en unknown
- 1974-04-18 ES ES425484A patent/ES425484A1/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2945234A1 (en) * | 2009-05-11 | 2010-11-12 | Lafarge Sa | MOLDING DEVICE AND METHOD OF MANUFACTURING |
US9914242B2 (en) | 2009-05-11 | 2018-03-13 | Lafarge | Moulding device and production process |
CN104476979A (en) * | 2015-01-03 | 2015-04-01 | 李�浩 | Special handicraft picture making method |
CN114211644A (en) * | 2021-12-21 | 2022-03-22 | 常州聚曜科技有限公司 | Drying hopper for plastic product processing |
CN114211644B (en) * | 2021-12-21 | 2023-12-05 | 常州聚曜科技有限公司 | Drying hopper for plastic product processing |
Also Published As
Publication number | Publication date |
---|---|
FR2226254A1 (en) | 1974-11-15 |
CH584598A5 (en) | 1977-02-15 |
NL7405175A (en) | 1974-10-22 |
LU69888A1 (en) | 1974-07-18 |
CA1048240A (en) | 1979-02-13 |
BE813890A (en) | 1974-10-18 |
DE2417553A1 (en) | 1974-11-14 |
SE397791B (en) | 1977-11-21 |
IE39111B1 (en) | 1978-08-02 |
IE39111L (en) | 1974-10-18 |
ES425484A1 (en) | 1976-11-16 |
IT1005975B (en) | 1976-09-30 |
JPS5030918A (en) | 1975-03-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |