CN101200935A - Laminated slab - Google Patents
Laminated slab Download PDFInfo
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- CN101200935A CN101200935A CNA200710300914XA CN200710300914A CN101200935A CN 101200935 A CN101200935 A CN 101200935A CN A200710300914X A CNA200710300914X A CN A200710300914XA CN 200710300914 A CN200710300914 A CN 200710300914A CN 101200935 A CN101200935 A CN 101200935A
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- base plate
- rib
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- long rib
- vertically long
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Abstract
A laminate comprises a reinforced concrete (1) and a reinforced concrete precast ribbed slab (2), wherein, the reinforced concrete ribbed precast slab (2) is arranged on the bottom of the laminate and comprises a long reinforced concrete bottom slab (3) and a longitudinal long reinforced concrete rib (4), holes (5) transversely penetrate the long rib (4) or / and the bottom slab (3), and the longitudinal long rib (4) is a tenon-shaped rib with inverse trapezoid-shaped dovetails on the partial or partial or full-length rib. The present invention is applicable to superposed floors, roofs, walls, foundation slabs and bridges, which apply cast-in-situ reinforced concrete or prestressed reinforced concrete, and the present invention is particularly applicable to superposed floors.
Description
(1) technical field
The present invention relates to a kind of superimposed sheet.
(2) background technology
At present, the reinforced concrete floor of domestic employing has cast-in-situ floor and precast floor slab, the cast-in-situ floor good integrity, but need on-the-spot formwork, concreting then, the construction period difficulty is big, the template loss is big, and cost height, precast floor slab do not need on-the-spot formwork, short construction period, cost is low, but prefabricated units lift difficulty from great, member splicing position easily produces the crack, globality is poor, is ZL0322765.2 as the patent No., name is called a kind of patent of floor spiced by steel reinforced concrete, discloses a kind of steel bar concrete prefabricated units, prefabricated units are by plate, rib constitutes, the hole of wearing reinforcing bar is arranged on the rib, and the thickness of this plate is big, and the reinforcing bar effective height that is placed in the Cast-in-place concrete is greatly reduced, influence the bidirectional stress balance of floor, be difficult to form equivalent transverse and longitudinal etc.Therefore, develop a kind of novel superimposed sheet for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of superimposed sheet, have the member section of reducing size, reduce formwork, save characteristics such as material, easy construction, cycle weak point, globality, crack resistance and shock resistance are good.
Solution of the present invention is on the basis of existing technology, comprise steel bar concrete and prefabricated plate for steel concrete with rib, prefabricated plate for steel concrete with rib is arranged on the bottom of superimposed sheet, prefabricated plate for steel concrete with rib includes the rectangular base plate of steel bar concrete, the vertically long rib of steel bar concrete, it is characterized in that having laterally run through vertical long rib or and the hole of base plate, vertically long rib is for local or have up big and down small or/and the tenon-shaped rib of up big and down small dovetail on part or the michinaga rib at interval.Like this, when vertical rib was arranged on the base plate, the longitudinal rigidity of prefabricated plate for steel concrete with rib was big, and frangibility or distortion do not help construction application; Simultaneously, have laterally run through vertical long rib or and the hole of base plate, vertically long rib is for having up big and down small or/and the tenon-shaped rib of up big and down small dovetail on local or part, interval or the michinaga rib, in the time of in being applied to the Cast-in-place concrete floor, tenon-shaped rib can better combine with Cast-in-place concrete, and, there is transverse reinforcement to pass at the hole position, form two-way force bearing plate, thereby reached purpose of the present invention, the superimposed superstructure, roof system, body of wall, sole plate and the bridge that are applicable to cast-in-situ reinforced concrete or prestressed reinforced concrete use, and are particularly useful for superimposed superstructure and use.
The present invention is characterised in that dovetail is located at a side of vertical long rib, both sides or/and end face.Like this, dovetail is located at a side, both sides of vertical long rib or/and end face, and the distributing position of dovetail can be set according to different situations.
The present invention is characterised in that vertical long rib termination is or/and base plate is extended with dowel.Like this, when prefabricated plate for steel concrete with rib is applied in the floor, dowel can firmly be anchored in the Cast-in-place concrete, increased substantially the bonding strength between the prefabricated and cast-in-place joint interface, make its damage not easy to crack, fully guaranteed the quality of floor, and, but base plate forms the power transmission of structure base plate participation structure.
The present invention is characterised in that rectangular base plate or/and vertically long rib is provided with suspender member.Like this, hang or when carrying part, made things convenient for carrying or handling, reduced labour intensity when strip base plate or vertically long rib are provided with.
The present invention is characterised in that in rectangular base plate or the vertically long rib and is provided with elongated reinforcing bar that perhaps reinforcing bar exposes.Like this, when reinforcing bar is elongated reinforcing bar, but the load performance of the longitudinal direction of reinforcing steel bar concrete precast plate with ribbing, when prefabricated plate for steel concrete with rib was applied in the floor, exposed steel bar can firmly be anchored in the Cast-in-place concrete, had increased substantially the bonding strength between the prefabricated and cast-in-place joint interface, make its damage not easy to crack, fully guaranteed the quality of floor, and, but base plate forms the power transmission of structure base plate participation structure.
The present invention be characterised in that rectangular base plate or vertically the elongated reinforcing bar position of long rib be provided with pit or hole, expose at the elongated reinforcing bar of pit or hole position.Like this, make base plate have very good cooperative bearing performance, significantly improved the weight bearing power of base plate, simultaneously, owing to expose at the elongated reinforcing bar of pit or hole position, in the time of in being applied to the Cast-in-place concrete floor, transverse reinforcement pit or hole position with expose elongated reinforcing bar and be connected, form two-way force bearing plate.
The present invention is characterised in that rectangular base plate is provided with connector, and connector is iron wire, buckle, rope or rope.Like this, the strip base plate is provided with connector, connects transverse reinforcement and longitudinal reinforcement, forms two-way force bearing plate.
The present invention is characterised in that rectangular base plate is provided with horizontal groove.Like this, when described prefabricated plate for steel concrete with rib was applied in the laminated floor slab, Cast-in-place concrete poured in the groove, formed the cast-in-situ concrete structure of build-in base plate, had increased substantially the integrality performance of the structure of floor, made superimposed position be difficult for producing the crack.
The present invention is characterised in that for sleeping in muscle groove of horizontal groove for rearmounted logical reinforcing bar.Like this, when horizontal groove is the muscle groove for sleeping in of rearmounted logical reinforcing bar, be very easy to wearing of in construction application process reinforcing bar, improved operating efficiency, guaranteed the quality of floor.
The present invention is characterised in that horizontal groove is up-small and down-big closing in groove.Like this, when horizontal groove is up-small and down-big closing in groove, after described prefabricated plate for steel concrete with rib is applied in the floor, Cast-in-place concrete is poured in the groove behind the setting and harden, with base plate firmly build-in in cast-in-situ concrete structure, no matter base plate all can not ftractureed under what situation drop, fully guaranteed the quality of application security and floor.
The present invention is characterised in that vertical long rib both sides are provided with groove.Like this, when vertical rib both sides were provided with groove, after prefabricated plate for steel concrete with rib was applied in the floor, Cast-in-place concrete was base plate and vertical rib build-in equably, made the base plate can be evenly stressed, and is not easy to crack, improved the quality of floor.
The present invention is characterised in that vertically long rib is provided with hole, and groove connection that will vertically long rib both sides.Like this, when described prefabricated plate for steel concrete with rib is applied in the laminated floor slab, Cast-in-place concrete pours in the groove and passes vertical rib simultaneously, form the cast-in-situ concrete structure of while build-in base plate and vertical rib, make it to form two-way superimposed prefabrication cast-in-place structural slab, increased substantially the integrality performance of the structure of floor, made superimposed position be difficult for producing the crack.
The present invention is characterised in that hole is identical with the groove cross section or inequality.Like this, can rationally select the prefabricated plate for steel concrete with rib in identical or different slotted eye hole for use, conveniently practice according to the different needs of actual conditions.
The present invention is characterised in that hole section at least one cross section less than groove.Like this, can rationally select the prefabricated plate for steel concrete with rib of connection slotted eye hole section for use, conveniently practice according to the different needs of actual conditions less than the cross section of groove.
The present invention is characterised in that hole is circular, square or oval.Like this, can rationally select the prefabricated plate for steel concrete with rib in the connection slotted eye hole of different shape for use, conveniently practice according to the different needs of actual conditions.
The present invention is characterised in that and is provided with the transverse prestress projection in the groove.Like this, make the transverse strength of base plate, rigidity better, the elastoresistance deformability is strong, the shock resistance damage capability is better, makes base plate not fragile, simultaneously, after described prefabricated plate for steel concrete with rib is applied in the in-situ deposited prefabricated laminated floor slab, but base plate participation structure load improves the combination property of floor.
The present invention is characterised in that and is provided with the transverse prestress groove in the groove.Like this, make the transverse strength of base plate, rigidity better, the elastoresistance deformability is strong, the shock resistance damage capability is better, makes base plate not fragile, simultaneously, after described prefabricated plate for steel concrete with rib is applied in the in-situ deposited prefabricated laminated floor slab, but base plate participation structure load improves the combination property of floor.
The present invention is characterised in that vertical long rib is provided with vertical groove.Like this, after prefabricated plate for steel concrete with rib was applied in the floor, Cast-in-place concrete can be firm with its build-in better, makes cast-in-place and prefabricated interface be difficult for cracking destruction.
The present invention is characterised in that vertical long rib is provided with horizontal groove.Like this, after prefabricated plate for steel concrete with rib was applied in the floor, Cast-in-place concrete can be firm with its build-in better, makes cast-in-place and prefabricated interface be difficult for cracking destruction.
The present invention is characterised in that at least two vertical elongated parallel reinforced steel bar settings in the rectangular base plate.Like this, make base plate have very good cooperative bearing performance, significantly improved the weight bearing power of base plate.
The present invention is characterised in that the setting of at least two longitudinal prestressing parallel reinforced steel bars in the rectangular base plate.Like this, make base plate have very good cooperative bearing performance, significantly improved the weight bearing power of base plate.
The present invention is characterised in that elongated reinforcing bar and the interior longitudinal prestressing parallel reinforced steel bar of rectangular base plate in vertical long rib.Like this, make base plate have very good cooperative bearing performance, significantly improved the weight bearing power of base plate.
The present invention is characterised in that the length of rectangular base plate is between the 250-720cm.Like this, can rationally select for use, make things convenient for design and construction unit to select for use according to actual conditions.
The present invention is characterised in that the length of rectangular base plate is 250-350cm, 350.1-400cm, 400.1-500cm, 500.1-600cm, 600.1-720cm.Like this, can rationally select for use, make things convenient for design and construction unit to select for use according to actual conditions.
The present invention is characterised in that the width of rectangular base plate is 40-120cm.Like this, can rationally select for use, make things convenient for design and construction unit to select for use according to actual conditions.
The present invention is characterised in that the width of rectangular base plate is 40-50cm, 50.1-65cm, 65.1-85cm, 85.1-100cm, 100.1-120cm.Like this, can rationally select for use, make things convenient for design and construction unit to select for use according to actual conditions.
The present invention is characterised in that the height of vertical long rib is 1.5-25cm, and the wide of vertically long rib 4 is 3-25cm, 25.1-35cm.Like this, can rationally select for use, make things convenient for design and construction unit to select for use according to actual conditions.
The present invention is characterised in that the height of vertical long rib is 2-3cm, 3-5cm, 5-8cm, 8-10cm, 10-15cm, 15.1-25cm, and vertically the wide of long rib is 3-5cm, 5-6cm, 6-10cm, 10-25cm.Like this, can rationally select for use, make things convenient for design and construction unit to select for use according to actual conditions.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation of the embodiment of the invention 2.
Fig. 3 is the structural representation of the embodiment of the invention 3.
Fig. 4 is the structural representation of the embodiment of the invention 4.
Fig. 5 is the structural representation of the embodiment of the invention 5.
Fig. 6 is the structural representation of the embodiment of the invention 6.
Fig. 7 is the structural representation of the embodiment of the invention 7.
Fig. 8 is the structural representation of the embodiment of the invention 8.
Fig. 9 is the structural representation of the embodiment of the invention 9.
Figure 10 is the structural representation of the embodiment of the invention 10.
Figure 11 is the structural representation of the embodiment of the invention 11.
Figure 12 is the structural representation of the embodiment of the invention 12.
Figure 13 is the structural representation of the embodiment of the invention 13.
Figure 14 is the structural representation of the embodiment of the invention 14.
Figure 15 is the structural representation of the embodiment of the invention 15.
(5) specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention as shown in drawings, a kind of superimposed sheet, comprise steel bar concrete 1 and prefabricated plate for steel concrete with rib 2, prefabricated plate for steel concrete with rib 2 is arranged on the bottom of superimposed sheet, prefabricated plate for steel concrete with rib 2 includes the rectangular base plate 3 of steel bar concrete, the vertically long rib 4 of steel bar concrete, it is characterized in that having laterally run through vertical long rib 4 or and the hole 5 of base plate 3, vertically long rib 4 is for local or have up big and down small or/and the tenon-shaped rib of up big and down small dovetail on part or the michinaga rib at interval.In each accompanying drawing, 1 is steel bar concrete, and 2 is prefabricated plate for steel concrete with rib, and 3 is the strip base plate, and 4 is vertical long rib, and 5 is hole, below in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1, the hole 5 that laterally runs through vertical long rib 4 on the prefabricated plate for steel concrete with rib 2 is arranged, vertically long rib 4 is for there being the tenon-shaped rib of up big and down small dovetail on the michinaga rib.
The present invention is characterised in that dovetail is located at a side of vertical long rib 4, both sides or/and end face.As shown in Figure 2, dovetail is located at the both sides of vertical long rib 4.As shown in Figure 2, precast plate 2 is provided with at interval, and also is provided with T shape plate 15 at dark beam position.
The present invention is characterised in that vertical long rib 4 terminations or/and base plate 3 is extended with dowel 6.As shown in Figure 3, vertically long rib 4 terminations and base plate 3 are extended with dowel 6.
The present invention is characterised in that rectangular base plate 3 or/and vertically long rib 4 is provided with suspender member 7.As shown in Figure 4, rectangular base plate 3 and vertical long rib 4 are provided with suspender member 7.
The present invention is characterised in that in rectangular base plate 3 or the vertically long rib 4 and is provided with elongated reinforcing bar 8 that perhaps reinforcing bar 8 exposes.As shown in Figure 5, be provided with elongated reinforcing bar 8 in the rectangular base plate 3, and reinforcing bar 8 exposes.
The present invention is characterised in that elongated reinforcing bar 8 positions of rectangular base plate 3 or vertically long rib 4 are provided with pit 9 or hole 5, exposes at the elongated reinforcing bar 8 of pit 9 or hole 5 positions.As shown in Figure 6, elongated reinforcing bar 8 positions of vertically long rib 4 are provided with pit 9, and elongated reinforcing bar 8 exposes at pit 9 positions.As shown in Figure 6, precast plate 2 two ends are overlapped on the wall 16, simultaneously, are useful on the horse nail 19 that sockets precast plate 2 at the amalgamation position of two precast plates 2.
The present invention is characterised in that rectangular base plate 3 is provided with connector 10, and connector 10 is iron wire, buckle, rope or rope.As shown in Figure 7, rectangular base plate 3 is provided with connector 10, and connector 10 is an iron wire.As shown in Figure 7, precast plate 2 one ends are overlapped on the wall 16.
The present invention is characterised in that rectangular base plate 3 is provided with horizontal groove 11.As shown in Figure 8, rectangular base plate 3 is provided with horizontal groove 11.As shown in Figure 8, precast plate 2 two ends all are arranged on the beam 17.
The present invention is characterised in that for sleeping in muscle groove of horizontal groove 11 for rearmounted logical reinforcing bar.As shown in Figure 8, horizontal groove 11 is the muscle groove for sleeping in of rearmounted logical reinforcing bar.
The present invention is characterised in that horizontal groove 11 is up-small and down-big closing in groove.As shown in Figure 9, horizontal groove 11 is up-small and down-big closing in groove.As shown in Figure 9, after being provided with pour concrete, the amalgamation position of two precast plates 2 is used to prevent the crooked muscle 20 of superimposed sheet cracking.
The present invention is characterised in that vertical long rib 4 both sides are provided with groove 11.As shown in Figure 9, vertically long rib 4 both sides are provided with groove 11.
The present invention is characterised in that vertically long rib 4 is provided with hole 5, and groove 11 connections that will vertically long rib 4 both sides.As shown in Figure 9, vertically long rib 4 is provided with hole 5, and groove 11 connections that will vertically long rib 4 both sides.
The present invention is characterised in that hole 5 is identical or inequality with groove 11 cross sections.As shown in figure 10, hole 5 is identical or inequality with groove 11 cross sections.
The present invention is characterised in that hole 5 sections at least one cross section less than groove 11.As shown in figure 10, hole 5 sections are less than the cross section of groove 11.
The present invention is characterised in that hole 5 is for circular, square or oval.As shown in figure 11, hole 5 is oval.As shown in figure 11, precast plate 2 one ends are overlapped on the I-shaped reinforcing bar 18, and an end is overlapped on the beam 17.
The present invention is characterised in that and is provided with transverse prestress projection 12 in the groove 11.As shown in figure 11, be provided with transverse prestress projection 12 in the groove 11.
The present invention is characterised in that and is provided with transverse prestress groove 13 in the groove 11.As shown in figure 12, be provided with transverse prestress groove 13 in the groove 11.As shown in figure 12, precast plate 2 one ends are overlapped on the flute profile reinforcing bar 18, and an end is overlapped on the beam 17.
The present invention is characterised in that vertical long rib 4 is provided with vertical groove 11.As shown in figure 13, vertically long rib 4 is provided with vertical groove 11.
The present invention is characterised in that vertical long rib 4 is provided with horizontal groove 11.As shown in figure 14, vertically long rib 4 is provided with horizontal groove 11.
The present invention is characterised in that has at least two vertical elongated reinforcing bars 8 to be arranged in parallel in the rectangular base plate 3.As shown in Figure 5, there is vertical elongated reinforcing bar 8 to be arranged in parallel in the rectangular base plate 3.
The present invention is characterised in that has at least two longitudinal prestressing reinforcing bars 14 to be arranged in parallel in the rectangular base plate 3.As shown in figure 15, there is longitudinal prestressing reinforcing bar 14 to be arranged in parallel in the rectangular base plate 3.
The present invention is characterised in that the elongated reinforcing bar 8 in vertical long rib 4 is parallel with the longitudinal prestressing reinforcing bar 14 in the rectangular base plate 3.As shown in figure 15, the elongated reinforcing bar 8 in the vertically long rib 4 is parallel with the longitudinal prestressing reinforcing bar 14 in the rectangular base plate 3.
The present invention is characterised in that the length of rectangular base plate 3 is between the 250-720cm.
The present invention is characterised in that the length of rectangular base plate 3 is 250-350cm, 350.1-400cm, 400.1-500cm, 500.1-600cm, 600.1-720cm.
The present invention is characterised in that the width of rectangular base plate 3 is 40-120cm.
The present invention is characterised in that the width of rectangular base plate 3 is 40-50cm, 50.1-65cm, 65.1-85cm, 85.1-100cm, 100.1-120cm.
The present invention is characterised in that the height of vertical long rib 4 is 1.5-25cm, and the wide of vertically long rib 4 is 3-25cm, 25.1-35cm.
The present invention is characterised in that the height of vertical long rib 4 is 2-3cm, 3-5cm, 5-8cm, 8-10cm, 10-15cm, 15.1-25cm, and the wide of vertically long rib 4 is 3-5cm, 5-6cm, 6-10cm, 10-25cm.
During the invention process, will be with vertical rib base plate to be shelved on (on the wall or on the beam edge or on the beam side) on the bearing earlier, on precast plate, lay reinforcing bar then, cast-in-situ concrete in the above at last, superimposed back forms the in-situ deposited prefabricated superimposed sheet that combines.
Claims (10)
1. superimposed sheet, comprise steel bar concrete (1) and prefabricated plate for steel concrete with rib (2), prefabricated plate for steel concrete with rib (2) is arranged on the bottom of superimposed sheet, prefabricated plate for steel concrete with rib (2) includes the rectangular base plate of steel bar concrete (3), the vertically long rib of steel bar concrete (4), it is characterized in that having laterally run through vertical long rib (4) or and the hole (5) of base plate (3), vertically long rib (4) is for local or have up big and down small or/and the tenon-shaped rib of up big and down small dovetail on part or the michinaga rib at interval.
2. superimposed sheet according to claim 1 is characterized in that dovetail is located at a side of vertical long rib (4), both sides or/and end face.
3. superimposed sheet according to claim 1 is characterized in that vertically long rib (4) termination or/and base plate (3) is extended with dowel (6).
4. superimposed sheet according to claim 1 is characterized in that rectangular base plate (3) or/and vertically long rib (4) is provided with suspender member (7).
5. superimposed sheet according to claim 1 is characterized in that being provided with elongated reinforcing bar (8) in rectangular base plate (3) or the vertically long rib (4), and perhaps reinforcing bar (8) exposes; Elongated reinforcing bar (8) position of perhaps rectangular base plate (3) or vertically long rib (4) is provided with pit (9) or hole (5), exposes at pit (9) or the elongated reinforcing bar in hole (5) position (8); Perhaps rectangular base plate (3) is provided with connector (10), and connector (10) is iron wire, buckle, rope or rope.
6. according to the described superimposed sheet of arbitrary claim in the claim 1 to 5, it is characterized in that rectangular base plate (3) is provided with horizontal groove (11); Perhaps horizontal groove (11) is the muscle groove for sleeping in of rearmounted logical reinforcing bar; Perhaps horizontal groove (11) is up-small and down-big closing in groove; Perhaps vertically long rib (4) both sides are provided with groove (11); Perhaps vertically long rib (4) is provided with hole (5), and groove (11) connection that will vertically long rib (4) both sides; Perhaps hole (5) is identical or inequality with groove (11) cross section; Perhaps hole (5) section is less than at least one cross section of groove (11); Perhaps hole (5) is circular, square or oval; Perhaps be provided with transverse prestress projection (12) in the groove (11); Perhaps be provided with transverse prestress groove (13) in the groove (11).
7. according to the described superimposed sheet of arbitrary claim in the claim 1 to 5, it is characterized in that vertically long rib (4) is provided with vertical groove (11); Perhaps vertically long rib (4) is provided with horizontal groove (11); There are at least two vertical elongated reinforcing bars (8) to be arranged in parallel in the perhaps rectangular base plate (3).
8. according to the described superimposed sheet of arbitrary claim in the claim 1 to 5, it is characterized in that having in the rectangular base plate (3) at least two longitudinal prestressing reinforcing bars (14) to be arranged in parallel; Elongated reinforcing bar (8) in the perhaps vertically long rib (4) is parallel with the longitudinal prestressing reinforcing bar (14) in the rectangular base plate (3).
9. according to the described superimposed sheet of arbitrary claim in the claim 1 to 5, the length that it is characterized in that rectangular base plate (3) is between the 250-720cm; The length of perhaps rectangular base plate (3) is 250-350cm, 350.1-400cm, 400.1-500cm, 500.1-600cm, 600.1-720cm; The width of perhaps rectangular base plate (3) is 40-120cm; The width of perhaps rectangular base plate (3) is 40-50cm, 50.1-65cm, 65.1-85cm, 85.1-100cm, 100.1-120cm.
10. according to the described superimposed sheet of arbitrary claim in the claim 1 to 5, the height that it is characterized in that vertically long rib (4) is 1.5-25cm, and the wide of vertically long rib (4) is 3-25cm, 25.1-35cm; The height of perhaps vertically long rib (4) is 2-3cm, 3-5cm, 5-8cm, 8-10cm, 10-15cm, 15.1-25cm, and the wide of vertically long rib (4) is 3-5cm, 5-6cm, 6-10cm, 10-25cm; Wear the hole (5) of perhaps elongated reinforcing bar (8) from vertical long rib (4), build concrete after, form the in-situ deposited prefabricated bi-directional configuration load superimposed sheet that combines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200710300914XA CN101200935A (en) | 2006-12-08 | 2007-12-07 | Laminated slab |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610164485 | 2006-12-08 | ||
| CN200610164485.3 | 2006-12-08 | ||
| CNA200710300914XA CN101200935A (en) | 2006-12-08 | 2007-12-07 | Laminated slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101200935A true CN101200935A (en) | 2008-06-18 |
Family
ID=39516275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200710300914XA Pending CN101200935A (en) | 2006-12-08 | 2007-12-07 | Laminated slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101200935A (en) |
-
2007
- 2007-12-07 CN CNA200710300914XA patent/CN101200935A/en active Pending
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Application publication date: 20080618 |