GB708062A - Improvements in or relating to the production of concrete members - Google Patents
Improvements in or relating to the production of concrete membersInfo
- Publication number
- GB708062A GB708062A GB2770450A GB2770450A GB708062A GB 708062 A GB708062 A GB 708062A GB 2770450 A GB2770450 A GB 2770450A GB 2770450 A GB2770450 A GB 2770450A GB 708062 A GB708062 A GB 708062A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mould
- concrete
- parts
- members
- wires
- 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
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
- B28B23/024—Supporting means
- B28B23/026—Mould partitionning elements acting as supporting means in moulds, e.g. for elongated articles
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
708,062. Moulding concrete. NATIONAL RESEARCH DEVELOPMENT CORPORATION Jan. 22, 1952 [Nov. 13, 1950], No. 27704/50. Class 87 (2) Pre-stressed, reinforced or plain concrete members are made by inserting one or more deformable members into a mould so as to lie transversely of the length thereof to divide the mould into adjacent longitudinal casting sections and/or to provide an end stop, subjecting said members to stress 'to cause them to be pressed against the side of the mould and thus lengthened, pouring concrete into the mould sections, and, when the concrete has set, removing the stress, whereby the reduction in length of the members facilitates removal thereof. Figs. 1, 2 and 5 show such a deformable member used as a partition, the member comprising three parts A, B, C made of rubber, gelatine or thermoplastic or other resin having rubber-like deformation under load. The parts are grooved at c, d, so that reinforcing wires h, i may pass through the member. The parts are assembled around the (pre-stressed) wires in a mould, Fig. 2, comprising sides e, f, base g, fixed stop k and wedge j. The side f is capable of movement towards and from side e, and is moved towards e by means of screw clamp m and wedge j, the wedge acting on a part l of side f. When the side fis thus moved, the member is deformed, being reduced from thickness W to thickness X and correspondingly lengthened. The concrete is cast, the side f is removed, the parts of the member are peeled away (Fig. 5) and the wires are severed in the gap thus made. In modifications :-(1) The part C may be made of wood. (2) The member may be in one piece. (3) (Fig. 7.) Each part A and B may be in two parts A<1>, A<2> between which a metal reinforcing plate a is disposed, Dowels r, t facilitate assembly. (4) (Fig. 8.) The member is an inflatable envelope 1 having a valve 2, bracing means 7 and a slot to accommodate the concrete reinforcing wires 3. (5) (Fig. 11.) An inflatable tube 9 conforms generally to the configuration of the interior of the mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2770450A GB708062A (en) | 1950-11-13 | 1950-11-13 | Improvements in or relating to the production of concrete members |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2770450A GB708062A (en) | 1950-11-13 | 1950-11-13 | Improvements in or relating to the production of concrete members |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB708062A true GB708062A (en) | 1954-04-28 |
Family
ID=10263939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2770450A Expired GB708062A (en) | 1950-11-13 | 1950-11-13 | Improvements in or relating to the production of concrete members |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB708062A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3070867A (en) * | 1959-12-21 | 1963-01-01 | Theodore J Belle | Strand holder and dam for prestressed concrete molds |
| EP0263024A2 (en) * | 1986-10-01 | 1988-04-06 | Rector S.A. | Device for removing and handling concrete articles cast in fixed moulds |
| EP0338423A2 (en) * | 1988-04-16 | 1989-10-25 | Wayss & Freytag Aktiengesellschaft | Shuttering for the series production of reinforced concrete assembly units, in particular for prestressed sleepers of switches |
| AT390027B (en) * | 1984-05-28 | 1990-03-12 | Katzenberger Helmut | Method for producing prestressed precast concrete parts |
| FR2663878A1 (en) * | 1990-06-28 | 1992-01-03 | Entreprise Ind Sa L | Improvements to moulds for manufacturing elongate objects such as reinforced-concrete beams or posts |
| NL9300605A (en) * | 1993-04-07 | 1994-11-01 | Bonna Vianen | End partition for the production of prestressed concrete posts, and associated method |
| CN113070984A (en) * | 2021-03-23 | 2021-07-06 | 山东泰迅装配式建筑科技有限公司 | Universal laminated plate mold and using method |
| CN113510836A (en) * | 2021-03-18 | 2021-10-19 | 长江武汉航道工程局 | T-beam prefabricating pedestal and construction method thereof |
-
1950
- 1950-11-13 GB GB2770450A patent/GB708062A/en not_active Expired
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3070867A (en) * | 1959-12-21 | 1963-01-01 | Theodore J Belle | Strand holder and dam for prestressed concrete molds |
| AT390027B (en) * | 1984-05-28 | 1990-03-12 | Katzenberger Helmut | Method for producing prestressed precast concrete parts |
| EP0263024A2 (en) * | 1986-10-01 | 1988-04-06 | Rector S.A. | Device for removing and handling concrete articles cast in fixed moulds |
| FR2604944A1 (en) * | 1986-10-01 | 1988-04-15 | Costamagna & Cie B M | IMPROVED DEVICE FOR DEMOLDING AND HANDLING CONCRETE PRODUCTS MOLDED INTO FIXED MOLDS |
| EP0263024A3 (en) * | 1986-10-01 | 1989-10-18 | B.M. Costamagna S.A. | Device for removing and handling concrete articles cast in fixed moulds |
| EP0338423A2 (en) * | 1988-04-16 | 1989-10-25 | Wayss & Freytag Aktiengesellschaft | Shuttering for the series production of reinforced concrete assembly units, in particular for prestressed sleepers of switches |
| EP0338423A3 (en) * | 1988-04-16 | 1990-10-10 | Wayss & Freytag Aktiengesellschaft | Shuttering for the series production of reinforced concrete assembly units, in particular for prestressed sleepers of switches |
| FR2663878A1 (en) * | 1990-06-28 | 1992-01-03 | Entreprise Ind Sa L | Improvements to moulds for manufacturing elongate objects such as reinforced-concrete beams or posts |
| NL9300605A (en) * | 1993-04-07 | 1994-11-01 | Bonna Vianen | End partition for the production of prestressed concrete posts, and associated method |
| CN113510836A (en) * | 2021-03-18 | 2021-10-19 | 长江武汉航道工程局 | T-beam prefabricating pedestal and construction method thereof |
| CN113510836B (en) * | 2021-03-18 | 2023-02-24 | 长江武汉航道工程局 | T-beam prefabricating pedestal and construction method thereof |
| CN113070984A (en) * | 2021-03-23 | 2021-07-06 | 山东泰迅装配式建筑科技有限公司 | Universal laminated plate mold and using method |
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