GB1474911A - Making lightweight concrete - Google Patents
Making lightweight concreteInfo
- Publication number
- GB1474911A GB1474911A GB2050573A GB2050573A GB1474911A GB 1474911 A GB1474911 A GB 1474911A GB 2050573 A GB2050573 A GB 2050573A GB 2050573 A GB2050573 A GB 2050573A GB 1474911 A GB1474911 A GB 1474911A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lightweight concrete
- lid
- pumice
- bolted
- mould
- 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
- 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
-
- 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
- B28B1/50—Producing shaped prefabricated articles from the material specially adapted for producing articles of expanded material, e.g. cellular concrete
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
1474911 Moulding lightweight concrete C W B URMSTOM 29 July 1974 [30 April 1973] 20505/73 Addition to 1330458 Heading B5A [Also in Division C1] Lightweight concrete is moulded by the process described and claimed in the parent Application, but using an aggregate comprising pumice. Fine or coarse pumice of (10-35) lb./cu. ft. density is used in the concrete mixture, which is cast and aerated in a mould 1 having removable partitions 5. The lid 6 comprises bolted-together channel strips 7 reinforced by bolted-on channel strips 10. The strips include circular and elongate apertures 14 internally covered by filter paper or cloth, and the lid is clamped to the mould walls by catches 22 and lugs 21.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU67706A LU67706A1 (en) | 1973-05-30 | 1973-05-30 | |
FR7321990A FR2233815A5 (en) | 1973-05-30 | 1973-06-15 | Foam concrete components - made in closed mould with gas permeable lid |
GB2050573A GB1474911A (en) | 1973-05-30 | 1974-07-29 | Making lightweight concrete |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH780673A CH575816A5 (en) | 1973-05-30 | 1973-05-30 | Foam concrete components - made in closed mould with gas permeable lid |
AT474573A AT351992B (en) | 1973-05-30 | 1973-05-30 | PROCESS FOR MANUFACTURING LIGHTWEIGHT CONCRETE ELEMENTS |
DE2327555A DE2327555C2 (en) | 1973-05-30 | 1973-05-30 | Process for the production of panels from lightweight concrete |
NL7307769A NL7307769A (en) | 1973-05-30 | 1973-06-04 | Foam concrete components - made in closed mould with gas permeable lid |
FR7321990A FR2233815A5 (en) | 1973-05-30 | 1973-06-15 | Foam concrete components - made in closed mould with gas permeable lid |
GB2050573A GB1474911A (en) | 1973-05-30 | 1974-07-29 | Making lightweight concrete |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1474911A true GB1474911A (en) | 1977-05-25 |
Family
ID=34637442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2050573A Expired GB1474911A (en) | 1973-05-30 | 1974-07-29 | Making lightweight concrete |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1474911A (en) |
-
1974
- 1974-07-29 GB GB2050573A patent/GB1474911A/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |