CN2592745Y - Concrete hollow-thin-wall pipe - Google Patents
Concrete hollow-thin-wall pipe Download PDFInfo
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- CN2592745Y CN2592745Y CN 02259119 CN02259119U CN2592745Y CN 2592745 Y CN2592745 Y CN 2592745Y CN 02259119 CN02259119 CN 02259119 CN 02259119 U CN02259119 U CN 02259119U CN 2592745 Y CN2592745 Y CN 2592745Y
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Abstract
The utility model relates to a concrete hollow thin-wall pipe, which comprises tube wall 1 and two end plugs 2. The utility model is characterized in that at least one thin strip 3 is sandwiched between the end plugs 2. In this way, because at least one thin strip 3 is sandwiched between the end plugs 2, the performance of tensile strength, compressive strength, and torsional rigidity can be enhanced, and thus, the utility model has the characteristics of high strength, cracking damage prevention, simple structure, low cost, etc., and the thin-wall tube has the advantages of deformation resistance, good shock resistance performance, convenient construction and transportation, etc. The utility model is suitable for various spatial structures of building engineering and ramp and bridge engineering, particularly hollow flat slab structures of cast-in-situ reinforced concrete.
Description
(1) technical field
The utility model relates to a kind of concrete hollow cavity thin-wall pipe.
(2) background technology
The cast-in-place reinforced concrete filling light-wall pipe is because advantages such as its convenient construction and transport, sound insulation, good seal performance are widely used in the cast-in-situ concrete hollow floor.But because existing light-wall pipe tube wall mostly adopts single structure, its intensity is not high, non-deformability is poor, the anti-vibration damage capability is also bad, for this reason, the applicant has applied for that on November 22nd, 1999 patent No. is ZL99249755.8, name is called the utility model patent of " cast-in-place reinforced concrete filling fiber reinforcement type thin wall cylinder ", it is made up of horniness thin-walled tube and two plugs, two plugs form an enclosed cavity with the horniness thin-walled tube closed at both ends, this hard thin-wall tube wall is composited by carcass and cementitious materials, carcass can be glass fiber or carbon fiber or organic fiber or nonwoven or fibrous braid, and cementitious materials can be cement or organic resin or is cement, filler, Admixture, the mixture of fiber.Owing to adopted compound structure, tube wall to have advantages such as intensity height, resistance to deformation, anti-vibration performance are good, convenient construction and transport.But after this kind light-wall pipe is applied to the space superstructure, two plugs only play the shutoff mouth of pipe, can't be in the effect of laterally bearing complicated pulling force, pressure, moment of torsion in the superstructure of space along pipe, the phenomenon that easily makes plug produce cracking, destroy, influence the application life of superstructure, therefore, develop a kind of novel concrete hollow cavity thin-wall pipe for being badly in need of.
(3) utility model content
The purpose of this utility model is to provide a kind of concrete hollow cavity thin-wall pipe, has plug intensity height, is difficult for cracking destruction, characteristics such as simple in structure.
Solution of the present utility model is to comprise tube wall, two plugs, it is characterized in that accompanying in the plug at least one thin band.Like this, owing to accompany at least one thin band in the plug, its tension, resistance to compression, antitorque performance improve greatly, thereby have the intensity height, be difficult for characteristics such as cracking destruction, structure is also simple simultaneously, cost is low, reach the purpose of this utility model preferably, solved problems of the prior art.In addition, light-wall pipe also has advantages such as resistance to deformation, anti-vibration performance are good, convenient construction and transport, is applicable to the various space structures in construction work, the road and bridge engineering, is specially adapted to cast-in-situ reinforced concrete hollow arch without beam structure.
Feature of the present utility model also is to be provided with stiffening rib or bracing boom or to be provided with both simultaneously in the enclosed cavity that tube wall and two plugs surround.Like this, the intensity and the rigidity of light-wall pipe are higher, be applied to hollow building cover after, in the stressed and power transmission of horizontal energy along pipe, thereby, improved the stress performance of superstructure and light-wall pipe, the application life of having improved superstructure.
Feature of the present utility model also is to have in stiffening rib or the bracing boom at least one at least one thin band.Like this, the intensity of stiffening rib and bracing boom is higher, and is stressed better with transmission force property; When stress performance is identical, then corresponding can the attenuate stiffening rib thickness or reduce the size of bracing boom, save material, reduce cost.
Feature of the present utility model is that also two plugs are that a stiffening rib or an end are stiffening rib for the plug other end.Like this, because plug changes stiffening rib into, thereby its intensity and rigidity improves greatly, and stressed transmission force property is better.
Feature of the present utility model is also that described thin band is intersected with each other or parallel or forms with netted or their combination and arrange, perhaps is provided with one or more layers simultaneously.Like this, can place flexibly, conveniently design and produce according to needs actual and design.
Feature of the present utility model is that also thin band is to have hole, seam, groove, sour jujube head, concavo-convex, concavo-convex porose, impression, hair sour jujube, the fiber that exposes shortage, exasperate or their compound bands or be braid over braid, strap, sandwich tape, and thin band bandwidth equates or be unequal.Like this, thin band itself is because porose, seam, groove etc., thereby more firm with the slip bonding, and globality is better, simultaneously because it is wide in variety to approach band, thus produce more convenient, cost is lower.
Feature of the present utility model is that also described thin band is metal tape, organic band or fabric strip.Like this, produce, design and can select as required, convenient for production, and cost is low.
Feature of the present utility model also is to have in a side, dual-side or the middle part of thin band at least one fin or seam, hole, groove.Like this, with the adhesion strength that increases greatly between thin band and the slip, its globality is better, and stressed transmission force property is better.
Feature of the present utility model also be the part or all of cross section of thin band be L type, V-type, Z type, T type, I type, U type,
Type.Like this, because the sectional form of thin band is many, can conveniently design and select for use, reduce cost, simultaneously with production unit, can improve rigidity, bending resistance and the shear behavior of member, be specially adapted to the heavy wall position of member, as positions such as stiffening rib, bracing boom, reinforcing rib or plugs, with the thickness of attenuate member, economical with materials reduces cost.
Feature of the present utility model is that also tube wall is a layer structure, by the glued bed of material of one deck, one deck fleece or cloth or wire lath, the glued bed of material of one deck again, one deck fleece or cloth or wire lath again, the glued bed of material of one deck again, overlapping gluing like this forms, and fleece or cloth or wire lath are at least more than one deck.Like this, tube wall is a layer structure, and its intensity is higher, and globality is better, and is stressed better with transmission force property.
Feature of the present utility model also is to have on tube wall reveals bar, dew rib or their combination, or reveals muscle, dew net or their combination simultaneously in addition, and perhaps pipe end reveals muscle in addition, reveals net, reveals band or their combination.Like this, revealing bar or revealing rib to increase the wedge action of light-wall pipe in Cast-in-place concrete, and it is better to make bar or rib participate in the performance of stressed power transmission.Simultaneously, if reveal muscle in addition or reveal the caking property that net then can increase light-wall pipe and Cast-in-place concrete, its globality is better.In addition, pipe end the dew muscle, reveal net or reveal the connection locating structure that band also can be used as light-wall pipe simultaneously.
Feature of the present utility model is that also stiffening rib is the stiffening rib of folder light material.Like this, the weight of stiffening rib is lighter, the corresponding increase of its volume, and rigidity increases, thereby it is stressed, transmission force property is better.
Feature of the present utility model also is to be provided with reinforcing rib in tube wall, plug, stiffening rib, bracing boom at least one.Like this, the intensity of light-wall pipe is higher, and stressed transmission force property is better.
Feature of the present utility model is that also tube wall is combined by little segmented assembly.Like this, at some privileged sites, its construction is easier, convenient.
Feature of the present utility model also is to have between the little segmentation at least one binding in thin band or steel wire or the gauze wire cloth.Like this, the bonding between the segmentation tube wall better, more firm, globality is better.
Feature of the present utility model also is in the cavity of tube wall to fill or partially filled light material is arranged.Like this, the thermal insulation of light-wall pipe, sound insulation value are better.
Feature of the present utility model is that also tube wall is provided with pipe or hole or the air chimney or the insulation air chimney of drawing-in wire.Like this, the construction of various pipeline is laid more convenient.
Feature of the present utility model is also that outer surface of tube wall is fluted, pothole, projection or its combination, perhaps reveals muscle simultaneously in addition, reveals net or their combination.Like this, the build-in between light-wall pipe and the Cast-in-place concrete is better, and intensity and globality are higher.
Feature of the present utility model is that also tube wall is provided with locating structure.Like this, can make things convenient for the installation of light-wall pipe.
Feature of the present utility model is that also the cementitious matter in the glued bed of material is the composition of portland-type cement, aluminate cement, alkali slag cement or resin glue and above-mentioned cement.Like this, the kind of cementitious matter is more, and convenient design is selected for use with production, reduces production costs.
Feature of the present utility model also is to have in the glued bed of material at least a in rubble, cobble, coarse sand, medium sand, fine sand, flour sand, expanded perlite, expanded vermiculite, the haydite.Like this, can increase the intensity of the glued bed of material, reduce the contraction and the cracking of the glued bed of material.
(4) description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.In each accompanying drawing, 1 is tube wall, and 2 is plug, and 3 are thin band, numbers identically, and its explanation is identical.Among Fig. 1, accompany 2 thin bands 3 in the plug 2.
Fig. 2 is the structural representation of the utility model embodiment 2, is provided with solid stiffening rib 5, hollow bracing boom 6 and solid bracing boom 6 in its cavity 4.
Fig. 3 is the structural representation of the utility model embodiment 3, is provided with thin band 3 in its solid stiffening rib 5 and the bracing boom 6.
Fig. 4 is the structural representation of the utility model embodiment 4, and its pipe two ends are respectively stiffening rib 5 and plug 2.
Fig. 5 is the structural representation of the utility model embodiment 5, and the thin band in its plug 2 was parallel and arranged crosswise in 3 minutes in addition, and was provided with two-layer.
Fig. 6 is the structural representation of the utility model embodiment 6, and its thin band 3 is respectively thin band that has the sour jujube head and the thin band that has groove.
Fig. 7 is the structural representation of the utility model embodiment 7, and its thin band 3 is respectively the thin band of middle part porose 8 or fin 7, and dual-side has the thin band of fin 7.
Fig. 8 is the structural representation of the utility model embodiment 8, and its tube wall 1 is one deck cementitious matter one deck cloth multilayer layer structure 9 of one deck cementitious matter formation again.
Fig. 9 is the structural representation of the utility model embodiment 9, and the bar 10 of revealing is arranged on its tube wall 1, and the muscle 12 of revealing is arranged, and the pipe two ends have dew to be with 14.
Figure 10 is the structural representation of the utility model embodiment 10, and the rib 11 of revealing is arranged on its tube wall 1, and the muscle of revealing 12 is arranged and reveal net 13.
Figure 11 is the structural representation of the utility model embodiment 11, accompanies light material 16 in its stiffening rib 5.
Figure 12 is the structural representation of the utility model embodiment 12, on its stiffening rib 5 and the tube wall 1 reinforcing rib 17 is arranged.
Figure 13 is the structural representation of the utility model embodiment 13, and its tube wall 1 is formed by little segmentation 18 assembling combination of 4 sections different lengths.
Figure 14 is the structural representation of the utility model embodiment 14, and the connection between its little segmentation 18 is by thin band 3, steel wire 19 and gauze wire cloth 20 mutual drawknots.
Figure 15 is the structural representation of the utility model embodiment 15, is filled with light material 16 in the cavity of its tube wall 1.
Figure 16 is the structural representation of the utility model embodiment 16, and its tube wall 1 is provided with the pipe 21 of drawing-in wire.
Figure 17 is the structural representation of the utility model embodiment 17, and its tube wall 1 is provided with air chimney 22.
Figure 18 is the structural representation of the utility model embodiment 18, and the external surface of its tube wall 1 is fluted 23, and the muscle of revealing 12 is arranged and reveal net 13.
Figure 19 is the structural representation of the utility model embodiment 19, and the external surface of its tube wall 1 has pothole 24.
Figure 20 is the structural representation of the utility model embodiment 20, on its tube wall 1 projection 25 is arranged.
Figure 21 is the structural representation of the utility model embodiment 21, and its tube wall 1 is provided with draw-ring type locating structure 26.
Figure 22 is the structural representation of the utility model embodiment 22, and its tube wall 1 is provided with drag hook type locating structure 26.
(5) specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
The utility model comprises tube wall 1, two plugs 2 as shown in drawings, it is characterized in that accompanying in the plug 2 at least one thin band 3.Fig. 1 is the structural representation of the utility model embodiment 1.In each accompanying drawing, 1 is tube wall, and 2 is plug, and 3 are thin band, numbers identically, and its explanation is identical.Among Fig. 1, accompany 2 thin bands 3 in the plug 2.
Feature of the present utility model also is to be provided with stiffening rib 5 or bracing boom 6 or to be provided with both simultaneously in the enclosed cavity 4 that tube wall 1 and two plugs 2 surround.Fig. 2 is the structural representation of the utility model embodiment 2, is provided with solid stiffening rib 5, hollow bracing boom 6 and solid bracing boom 6 in its cavity 4.
Feature of the present utility model also is to have in stiffening rib 5 or the bracing boom 6 at least one at least one thin band 3.Fig. 3 is the structural representation of the utility model embodiment 3, is provided with thin band 3 in its solid stiffening rib 5 and the bracing boom 6.
Feature of the present utility model is that also two plugs 2 are that a stiffening rib 5 or an end are that plug 2 other ends are stiffening rib 5.Fig. 4 is the structural representation of the utility model embodiment 4, and its pipe two ends are respectively stiffening rib 5 and plug 2.
Feature of the present utility model is also that described thin band 3 is intersected with each other or parallel or forms with netted or their combination and arrange, perhaps is provided with one or more layers simultaneously.Fig. 5 is the structural representation of the utility model embodiment 5, and the thin band in its plug 2 was parallel and arranged crosswise in 3 minutes in addition, and was provided with two-layer.
Feature of the present utility model also is thin band 3 for having hole, seam, groove, sour jujube head, concavo-convex, concavo-convex porose, impression, hair sour jujube, the fiber that exposes shortage, exasperate or their compound bands or being braid over braid, strap, sandwich tape, and thin band 3 bandwidth equate or be unequal.Thin band 3 among Fig. 1 to Fig. 5 is a braid over braid.Fig. 6 is the structural representation of the utility model embodiment 6, and its thin band 3 is respectively thin band that has the sour jujube head and the thin band that has groove.
Feature of the present utility model is that also described thin band 3 is metal tape, organic band or fabric strip.Thin band 3 among Fig. 1 to Fig. 5 is organic braid over braid.Thin band 3 among Fig. 6 is a metal tape.
Feature of the present utility model also is to have in a side, dual-side or the middle part of thin band 3 at least one fin 7 or seam, hole, groove 8.Fig. 7 is the structural representation of the utility model embodiment 7, and its thin band 3 is respectively the thin band of middle part porose 8 or fin 7, and dual-side has the thin band of fin 7.
Feature of the present utility model also be the part or all of cross section of thin band 3 be L type, V-type, Z type, T type, I type, U type,
Type.
Feature of the present utility model is that also tube wall 1 is layer structure 9, by the glued bed of material of one deck, one deck fleece or cloth or wire lath, the glued bed of material of one deck again, one deck fleece or cloth or wire lath again, the glued bed of material of one deck again, overlapping gluing like this forms, and fleece or cloth or wire lath are at least more than one deck.Fig. 8 is the structural representation of the utility model embodiment 8, and its tube wall 1 is one deck cementitious matter one deck cloth multilayer layer structure 9 of one deck cementitious matter formation again.
Feature of the present utility model also is to have on tube wall 1 to be revealed bar 10, reveals rib 11 or their combination, or reveals muscle 12 simultaneously in addition, reveals net 13 or their combination, and perhaps pipe end 15 reveals muscle 12 in addition, reveals net 13, reveals with 14 or their combination.Fig. 9 is the structural representation of the utility model embodiment 9, and the bar 10 of revealing is arranged on its tube wall 1, and the muscle 12 of revealing is arranged, and the pipe two ends have dew to be with 14.Figure 10 is the structural representation of the utility model embodiment 10, and the rib 11 of revealing is arranged on its tube wall 1, and the muscle of revealing 12 is arranged and reveal net 13.
Feature of the present utility model also is the stiffening rib of stiffening rib 5 for folder light material 16.Figure 11 is the structural representation of the utility model embodiment 11, accompanies light material 16 in its stiffening rib 5.
Feature of the present utility model also is to be provided with reinforcing rib 17 in tube wall 1, plug 2, stiffening rib 5, bracing boom 6 at least one.Figure 12 is the structural representation of the utility model embodiment 12, on its stiffening rib 5 and the tube wall 1 reinforcing rib 17 is arranged.
Feature of the present utility model is that also tube wall 1 is formed by little segmentation 18 assembling combination.Figure 13 is the structural representation of the utility model embodiment 13, and its tube wall 1 is formed by little segmentation 18 assembling combination of 4 sections different lengths.
Feature of the present utility model also is to have between the little segmentation 18 at least one binding in thin band 3 or steel wire 19 or the gauze wire cloth 20.Figure 14 is the structural representation of the utility model embodiment 14, and the connection between its little segmentation 18 is by thin band 3, steel wire 19 and gauze wire cloth 20 mutual drawknots.
Feature of the present utility model also is in the cavity 4 of tube wall 1 to fill or partially filled light material 16 is arranged.Figure 15 is the structural representation of the utility model embodiment 15, is filled with light material 16 in the cavity of its tube wall 1.
Feature of the present utility model is that also tube wall 1 is provided with pipe or hole 21 or the air chimney or the insulation air chimney 22 of drawing-in wire.Figure 16 is the structural representation of the utility model embodiment 16, and its tube wall 1 is provided with the pipe 21 of drawing-in wire.Figure 17 is the structural representation of the utility model embodiment 17, and its tube wall 1 is provided with air chimney 22.
Feature of the present utility model is also that tube wall 1 external surface is fluted 23, pothole 24, projection 25 or its combination, perhaps reveals muscle 12 simultaneously in addition, reveals net 13 or their combination.Figure 18 is the structural representation of the utility model embodiment 18, and the external surface of its tube wall 1 is fluted 23, and the muscle of revealing 12 is arranged and reveal net 13.Figure 19 is the structural representation of the utility model embodiment 19, and the external surface of its tube wall 1 has pothole 24.Figure 20 is the structural representation of the utility model embodiment 20, on its tube wall 1 projection 25 is arranged.
Feature of the present utility model is that also tube wall 1 is provided with locating structure 26.Figure 21 is the structural representation of the utility model embodiment 21, and its tube wall 1 is provided with draw-ring type locating structure 26.Figure 22 is the structural representation of the utility model embodiment 22, and its tube wall 1 is provided with drag hook type locating structure 26.
Feature of the present utility model is that also the cementitious matter in the glued bed of material is the composition of portland-type cement, aluminate cement, alkali slag cement or resin glue and above-mentioned cement.
Feature of the present utility model also is to have in the glued bed of material at least a in rubble, cobble, coarse sand, medium sand, fine sand, flour sand, expanded perlite, expanded vermiculite, the haydite.
When the utility model is implemented, can use one deck cementitious matter layer of glass fiber net mode of one deck cementitious matter more earlier, make the tube wall 1 of layer structure 9, making is accompanied the plug 2 or the stiffening rib 5 of thin band 3, after tube wall 1 is not connected with it during setting and harden, treats setting and harden and maintenance moulding, get product.
Claims (19)
1, a kind of concrete hollow cavity thin-wall pipe comprises tube wall (1), two plugs (2), it is characterized in that accompanying in the plug (2) at least one thin band (3).
2, a kind of concrete hollow cavity thin-wall pipe according to claim 1 is characterized in that being provided with stiffening rib (5) or bracing boom (6) or being provided with both simultaneously in the enclosed cavity (4) that tube wall (1) and two plugs (2) surround.
3, a kind of concrete hollow cavity thin-wall pipe according to claim 2 is characterized in that having at least one in stiffening rib (5) or the bracing boom (6) at least one thin band (3).
4, a kind of concrete hollow cavity thin-wall pipe according to claim 3 is characterized in that two plugs (2) are that a stiffening rib (5) or an end are that plug (2) other end is stiffening rib (5).
5, according to claim 1,2,3 or 4 described a kind of concrete hollow cavity thin-wall pipes, it is characterized in that described thin band (3) is intersected with each other or parallel or form with netted or their combination and arrange, perhaps be provided with one or more layers simultaneously.
6, according to claim 1,2,3 or 4 described a kind of concrete hollow cavity thin-wall pipes, it is characterized in that thin band (3) for having hole, seam, groove, sour jujube head, concavo-convex, concavo-convex porose, impression, hair sour jujube, the fiber that exposes shortage, exasperate or their compound bands or being braid over braid, strap, sandwich tape, thin band (3) bandwidth equates or is unequal.
7, a kind of concrete hollow cavity thin-wall pipe according to claim 6 is characterized in that described thin band (3) is metal tape, organic band or fabric strip.
8,, it is characterized in that having at least one in a side, dual-side or the middle part of thin band (3) fin (7) or seam, hole, groove (8) according to claim 1,2,3 or 4 described a kind of concrete hollow cavity thin-wall pipes.
9, according to claim 1,2,3 or 4 described a kind of concrete hollow cavity thin-wall pipes, the part or all of cross section that it is characterized in that thin band (3) be L type, V-type, Z type, T type, I type, U type,
Type.
10, according to claim 1,2,3 or 4 described a kind of concrete hollow cavity thin-wall pipes, it is characterized in that tube wall (1) is layer structure (9), by the glued bed of material of one deck, one deck fleece or cloth or wire lath, the glued bed of material of one deck, one deck fleece or cloth or wire lath, the glued bed of material of one deck more again, overlapping gluing like this forms, and fleece or cloth or wire lath are at least more than one deck.
11, according to claim 2,3 or 4 described a kind of concrete hollow cavity thin-wall pipes, it is characterized in that dew bar (10) is arranged on tube wall (1), reveal rib (11) or their combination, or reveal muscle (12), dew net (13) or their combination simultaneously in addition, perhaps pipe end (15) reveals muscle (12) in addition, reveals net (13), reveals band (14) or their combination.
12,, it is characterized in that the stiffening rib of stiffening rib (5) for folder light material (16) according to claim 2,3 or 4 described a kind of concrete hollow cavity thin-wall pipes.
13, according to claim 2,3 or 4 described a kind of concrete hollow cavity thin-wall pipes, it is characterized in that being provided with reinforcing rib (17) at least one in tube wall (1), plug (2), stiffening rib (5), bracing boom (6).
14,, it is characterized in that tube wall (1) is formed by little segmentation (18) assembling combination according to claim 2,3 or 4 described a kind of concrete hollow cavity thin-wall pipes.
15, a kind of concrete hollow cavity thin-wall pipe according to claim 14 is characterized in that having between the little segmentation (18) at least one binding in thin band (3) or steel wire (19) or the gauze wire cloth (20).
16,, it is characterized in that in the cavity (4) of tube wall (1) filling or partially filled light material (16) arranged according to claim 1,2,3 or 4 described a kind of concrete hollow cavity thin-wall pipes.
17,, it is characterized in that tube wall (1) is provided with pipe or hole (21) or the air chimney or the insulation air chimney (22) of drawing-in wire according to claim 1,2,3 or 4 described a kind of concrete hollow cavity thin-wall pipes.
18, according to claim 1,2,3 or 4 described a kind of concrete hollow cavity thin-wall pipes, it is characterized in that tube wall (1) external surface fluted (23), pothole (24), projection (25) or its combination, perhaps reveal muscle (12) simultaneously in addition, reveal net (13) or their combination.
19, according to claim 1,2,3 or 4 described a kind of concrete hollow cavity thin-wall pipes, it is characterized in that tube wall (1) is provided with locating structure (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02259119 CN2592745Y (en) | 2002-10-05 | 2002-10-05 | Concrete hollow-thin-wall pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02259119 CN2592745Y (en) | 2002-10-05 | 2002-10-05 | Concrete hollow-thin-wall pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2592745Y true CN2592745Y (en) | 2003-12-17 |
Family
ID=33726651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02259119 Expired - Fee Related CN2592745Y (en) | 2002-10-05 | 2002-10-05 | Concrete hollow-thin-wall pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2592745Y (en) |
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2002
- 2002-10-05 CN CN 02259119 patent/CN2592745Y/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |