GB2019730A - Improvements in the manufacture of cementitous products - Google Patents
Improvements in the manufacture of cementitous productsInfo
- Publication number
- GB2019730A GB2019730A GB7914647A GB7914647A GB2019730A GB 2019730 A GB2019730 A GB 2019730A GB 7914647 A GB7914647 A GB 7914647A GB 7914647 A GB7914647 A GB 7914647A GB 2019730 A GB2019730 A GB 2019730A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass
- fibre
- mix
- mixing
- fed
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/14—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis
- B28C5/148—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis the stirrer shaft carrying a plurality of radially extending mixing bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/40—Mixing specially adapted for preparing mixtures containing fibres
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
When making glass-fibre reinforced cement products, the extent of the final mixing stage in which the glass-fibre is added to the sand-cement-water mix is restricted so that whilst the glass-fibre is dispersed throughout, and wetted by, the said mix, the final slurry retains a moderately free-flowing characteristic. The glass fibre is added to the said mix in one operation rather than dribbled in as previously recommended by the glass-fibre manufacturers; and it may be important that the mixer is stopped so that the initial mixing-in of the glass fibre is even more gentle. The materials are fed to a horizontal mixer 12 which is then pressurised and the mixing is effected by a horizontally disposed rotary stirrer 15 which has blades in the form of plough shares 19. The resulting mixture is fed to moulds. <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7914647A GB2019730B (en) | 1978-02-01 | 1979-04-27 | Manufacture of cementitious products |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB398878 | 1978-02-01 | ||
GB7914647A GB2019730B (en) | 1978-02-01 | 1979-04-27 | Manufacture of cementitious products |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2019730A true GB2019730A (en) | 1979-11-07 |
GB2019730B GB2019730B (en) | 1982-07-21 |
Family
ID=26238736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7914647A Expired GB2019730B (en) | 1978-02-01 | 1979-04-27 | Manufacture of cementitious products |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2019730B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2478518A1 (en) * | 1980-03-18 | 1981-09-25 | Tegral Technology Ltd | PROCESS FOR PRODUCING CEMENTITIOUS COMPOUNDS |
FR2570321A1 (en) * | 1984-09-19 | 1986-03-21 | Vignolles Jean | NEW TECHNIQUES AND MACHINE FOR THE DEVELOPMENT, PROJECTION AND TRANSFER OF CONCRETE BASED ON FIBERGLASS AND THE LIKE |
-
1979
- 1979-04-27 GB GB7914647A patent/GB2019730B/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2478518A1 (en) * | 1980-03-18 | 1981-09-25 | Tegral Technology Ltd | PROCESS FOR PRODUCING CEMENTITIOUS COMPOUNDS |
FR2570321A1 (en) * | 1984-09-19 | 1986-03-21 | Vignolles Jean | NEW TECHNIQUES AND MACHINE FOR THE DEVELOPMENT, PROJECTION AND TRANSFER OF CONCRETE BASED ON FIBERGLASS AND THE LIKE |
WO1986001767A1 (en) * | 1984-09-19 | 1986-03-27 | Jean Vignolles | New techniques and machine for producing, projecting and transferring glass fibre-based concretes and the like |
Also Published As
Publication number | Publication date |
---|---|
GB2019730B (en) | 1982-07-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |