CN1904263B - Hollow cavity construction unit for concrete - Google Patents
Hollow cavity construction unit for concrete Download PDFInfo
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- CN1904263B CN1904263B CN200610100456A CN200610100456A CN1904263B CN 1904263 B CN1904263 B CN 1904263B CN 200610100456 A CN200610100456 A CN 200610100456A CN 200610100456 A CN200610100456 A CN 200610100456A CN 1904263 B CN1904263 B CN 1904263B
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Abstract
A hollow component for the concrete comprises hollow formworks (1). At least two hollow formworks (1) are arranged line to line. The opposite sides of the two hollow formworks (1) form a pouring ribbed die cavity (2). At least one interval pulling piece (3) is arranged inside the pouring ribbed die cavity (2) for connecting the two hollow formworks into one piece. An infrabasal plate that has no the connection between the hollow formworks (1) is provided. At least two pouring ribbed die cavities (2) are provided, which are mutually parallel or perpendicular to each other. The interval pulling piece (3) projects or extends out of the pouring ribbed die cavities (2). The hollow component is used for the hollow floor, the roof, the wall and the hollow bridge of pouring reinforced concrete or the prestressed reinforced concrete.
Description
The application for the applying date be that May 20, application number in 2003 are 200610006502.0, name is called the dividing an application of application for a patent for invention of " a kind of hollow component used for concrete (105-1) ".
(1) technical field
The present invention relates to a kind of hollow component used for concrete.
(2) background technology
At present, cast-in-situ reinforcing steel bar concrete hollow slab is to use wider floor structural form, has that speed of application is fast, structure height is little, advantages such as ceiling decoration can cut apart and need not to room area flexibly.The lightening permanent loose tool of filling in it has various hollow sections and box, and box has hollow or solid.Is that ZL99232921.3, name are called " cast-in-place reinforced concrete filling thin wall cylinder " utility model patent like the applicant in the patent No. of application on March 10th, 1999; It is made up of horniness thin-walled tube and two plugs, is applied to use as the lightening permanent loose tool in the hollowcore slab.And for example the applicant in the application number of on November 29th, 1999 application be 99115666.8, name is called " fiber-reinforced thin-wall box for filling cast-in-place reinforced concrete and manufacturing approach thereof "; Its thin-walled box is applied in the cast-in-situ reinforcing steel bar concrete hollow slab; Can satisfy the needs of latticed, the cellular concrete of finding time, form close rib hollowcore slab.Thin-walled is box filled in concrete, has both made filling member, again as the hollow die shell member, plays the effect of permanent mold shell.But, when this thin-walled box is constructed as hollow die shell, need single laying construction; Mutually positioning inconvenience is prone to inconsistent phenomenon takes place, and influences the construction quality of hollowcore slab; Simultaneously also influence efficiency of construction, therefore, develop a kind of novel hollow component used for concrete for being badly in need of.
(3) summary of the invention
The object of the present invention is to provide a kind of hollow component used for concrete, have easy construction, efficient high, be easy to guarantee characteristics such as hollowcore slab construction quality, simultaneously, also have characteristics such as simple in structure, that intensity is high, making is easy, cost is low.
Solution of the present invention is on the basis of existing technology, comprises hollow die shell, it is characterized in that at least two hollow die shells alternately; Constitute Cast-in-place concrete internal-rib die cavity between the opposite face of two hollow die shells; Have in the internal-rib die cavity two at least one spacer draw pieces of the alternate binding all-in-one-piece of hollow die shell, do not have the lower shoe that is communicated with between the hollow die shell, the internal-rib die cavity is more than at least two; Their parallel or quadratures, a spacer draw piece protrudes or stretches out the internal-rib die cavity.Like this, when cavity member is applied in the concrete, pour into the cast-in-place concrete hidden rib that concrete in the internal-rib die cavity forms parallel or grade separation, optimized the internal construction and the stress performance of whole concrete structure.Cavity member can be carried, construct through the support draw piece that stretches out or protrude the internal-rib die cavity easily.Simultaneously, because cavity member by at least two hollow die shells alternately, hollow die shell connects to one by a spacer draw piece; Form the hollow die shell assembly, thereby when being applied to cast-in-place hollow slab, hollow die shell is become in groups by single laying to be laid; Mutually positioning very convenient, inconsistent phenomenon be difficult for to take place and influence the construction quality of hollowcore slab, efficiency of construction also improves greatly simultaneously; Distance member can be accomplished between the formwork quickly and easily with the multiple juncture of hollow die shell and be connected, and has improved the production efficiency of cavity member, thereby has reached the object of the invention; In addition; Cavity member also has characteristics such as simple in structure, that intensity is high, making is easy, cost is low, is suitable for various cast-in-situ reinforced concretes or prestressed hollow reinforced concrete roof, roof system, sole plate, body of wall, hollow bridges use, is specially adapted to hollow arch without beam and uses.
Characteristic of the present invention also is between described spacer draw piece and the hollow die shell fixed for firmly.Like this, hollow die shell is connected firmly, and has good rigidity, is convenient to carrying and stacks.
Characteristic of the present invention also is between described spacer draw piece and the hollow die shell to flexibly connecting.Like this, can install, dismantle hollow die shell flexibly, conveniently adjust the width of internal-rib die cavity and lay reinforcing bar, satisfy instructions for use according to different situations and needs.
Characteristic of the present invention is that also described spacer draw piece is at least one in rod member, rope, plate, muscle, silk, thin band, the pier.Like this, the variation of support draw piece material and structure can be satisfied the different designs requirement of product, and can adopt rational best mode to connect as required.
Characteristic of the present invention also be spacer draw piece between described rod member, plate, pier formula be hollow or porous hollow between the spacer draw piece.Like this, the support draw piece of hollow or porous hollow has also improved the rupture strength and the rigidity of support draw piece when alleviating cavity member weight.
Characteristic of the present invention is that also described spacer draw piece is arranged in middle part or at least one position peripheral or four jiaos of internal-rib die cavity.Like this, can be free and the position of design support draw piece regularly, can improve the application function of cavity member in concrete convenient and simplely.
Characteristic of the present invention is that also described spacer draw piece is metalwork.Like this, the spacer draw piece has big, the advantages of high strength of rigidity between metal, and it is more solid and reliable to make that hollow die shell connects.
Characteristic of the present invention is that also described intermetallic spacer draw piece is docked by at least two metalworks; Or metalwork and the welding of internal-rib die cavity die wall; Or the built-in fitting of metalwork and internal-rib die cavity wall welding, or metalwork and built-in fitting or die cavity die wall screw or bolt form.Like this, metalwork connects through modes such as welding, screw or bolts efficiently and easily, has improved operating efficiency greatly.
Characteristic of the present invention is that also described spacer draw piece is that the cross sectional shape that steel plate is processed is U, I, X, T, zero, ㄈ, shape support draw piece or is reinforcing bar, metal tube stay draw piece.Like this, the metal of the multiple cross sectional shape support draw piece different bonding strengths that can satisfy hollow die shell require and rigidity requirement.
Characteristic of the present invention also is hole, grid, sour jujube head or the sour jujube limit that at least one head of described spacer draw piece has steel disc to dash, and is integral with the die wall build-in of hollow die shell.Like this, engage closely with the die wall build-in of hollow die shell, make its connection more firm towards the steel disc on porose, grid, sour jujube head or sour jujube limit.
Characteristic of the present invention is that also at least one head of described spacer draw piece has gauze wire cloth, thin band, expanded metal lath or fleece, and is integral with the die wall build-in of hollow die shell.Like this, be connected the variation of material in the support draw piece with the hollow die shell die wall, made things convenient for material selection when manufacturing, reduced cost of production.
Characteristic of the present invention is that also at least one head of described spacer draw piece is divided into flat of the above bending of two forks, and is integral with the die wall surface or the inner build-in of hollow die shell.Like this, one of draw piece of support is divided into flat of the above bending of two forks, makes to have good firm balance quality between the hollow die shell, reduces the proportion of goods damageds in transportation, the installation process.
Characteristic of the present invention is that also described at least one head of spacer draw piece is extended with steel wire, fiber or strip.Like this, but cavity member binding in steel wire, fiber or the strip convenient construction process that support is stretched out on the draw piece, install and end floating.
Characteristic of the present invention is that also at least one bending of described spacer draw piece stretch into anchoring in the die wall of hollow die shell.Like this, the support draw piece combines with die wall, makes the support draw piece have good resistance folding rigidity and intensity, guarantees the secure and reliable connection between the hollow die shell.
Characteristic of the present invention is also that described spacer draw piece is parallel, quadrature, oblique, grade separation.Like this, the support draw piece is arranged with above-mentioned various laying modes, can make a plurality of different inner stress systems of cavity member of the common formation of support draw piece and cavity member, satisfies the use needs.
Characteristic of the present invention is that also described spacer draw piece is hollow section, and at least one end of hollow section is to have opening to be bent into the tube wall more than two, and the bending tube wall is fixed on the die wall surface of hollow die shell or is clipped in die wall inside.Like this, hollow support draw piece is open-ended to be bent into the barrel more than two and to be fixed on the die wall, has good rigidity and firm performance, can fully guarantee cavity member in carrying, installing and using in the process can be because of the fracture of support draw piece, come off and disintegrate.
Characteristic of the present invention is that also the spacer draw piece is filled spacer draw piece between closely knit one-tenth composite tube type between described hollow section.Like this, fill the closely knit composite tube type support draw piece that forms and have good bending resistance shear behavior, strengthened the intensity of support draw piece, improved the overall performance of cavity member.
Characteristic of the present invention is that also the cavity in described at least one hollow spacer draw piece is communicated with the hollow mould shell cavity more than at least two.Like this, the hollow mould shell of hollow spacer draw piece connection has good sound wave dispersibility, and it is applied to have good sound insulation, sound absorption behind the concrete, and simultaneously, also the construction of convenient various pipelines is laid.
Characteristic of the present invention is that also described spacer draw piece is flat, and an end bending of flat is clipped in the die wall of hollow die shell.Like this, flat die wall that supports draw piece and hollow die shell with good vertically bending rigidity combines, and makes cavity member have light firm characteristics.
Characteristic of the present invention is that also the collar extension of described internal-rib die cavity is horn mouth or bench port.Like this, the setting of the internal-rib die cavity of horn mouth or bench port, in the time of can making cavity member be applied in the concrete, Cast-in-place concrete can closely knitly easily be built in the internal-rib die cavity.
Characteristic of the present invention also is to be provided with in the described internal-rib die cavity at least a in inner corner trim, chamfering, groove, pit, the hole.Like this, when cavity member was applied in the concrete, concrete poured in inner corner trim, chamfering, groove, pit, the hole and to form local Cast-in-place concrete and add competent structure, makes cast-in-situ concrete structure more reasonable.
Characteristic of the present invention also is to be provided with in the described internal-rib die cavity at least a in projection, raised line, the external corner.Like this, when cavity member is applied in the concrete, through projection found time in the position that do not stress in the Cast-in-place concrete, raised line and external corner carry out prefabricated component to weak force part and strengthen, and can make concrete hollow board have more rational stress form.
Characteristic of the present invention also is inner corner trim, chamfering, groove, the raised line in the described internal-rib die cavity or its combination is orthogonal thereto, oblique, parallel or grade separation.Like this, cast-in-place Cast-in-place concrete of going into form in inner corner trim, chamfering, the groove orthogonal thereto, oblique, parallel or grade separation makes the mechanical property of concrete hollow board more reasonable.
Characteristic of the present invention is that also described spacer draw piece and at least one internal-rib die cavity die wall global formation become distance member.Like this, the distance member of global formation has very good whole property, has further improved the overall performance of cavity member.
Characteristic of the present invention is that also described distance member is glued with hollow die shell, it is whole to weld, rivet or peg graft.Like this, distance member can be accomplished between the formwork quickly and easily with the multiple juncture of hollow die shell and be connected, and has improved the production efficiency of cavity member.
Characteristic of the present invention is that also at least two above hollow die shells are provided with reinforce; Perhaps there is reinforce to expose simultaneously; Perhaps reinforce passes the internal-rib die cavity and fuses, and reinforce is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, expanded metal lath, fiber, fleece, metal foil band, braid over braid or the strap.Like this, the intensity that is provided with the hollow die shell of reinforce has obtained improving greatly, and the selecting for use of material when the diversity of reinforce material is convenient to produce simultaneously reduced cost.
Characteristic of the present invention is that also described reinforce is thin band.Like this, the good flexibility that the wide mask of thin band has has all obtained fully playing in hollow die shell with the rigidity that leptoprosopy has, but the wall thickness of attenuate hollow die shell simultaneously alleviates the weight of cavity member, and the saving material reduces cost.
Characteristic of the present invention also is the hollow die shell of described hollow die shell at least one face opening or hole-opening.The hollow die shell that has a hole or an opening when like this, cavity member is applied in the concrete is convenient to the laying of various reserving holes or pipeline.
Characteristic of the present invention is that also the hollow die shell beyond the described internal-rib die cavity is provided with at least a in inner corner trim, chamfering, groove, pit, the hole.Like this, when cavity member was applied in the concrete, the concrete that pours in the positions such as inner corner trim had carried out rational reinforcement to the cast-in-place hidden rib that forms between the cavity member.
Characteristic of the present invention is that also the hollow die shell beyond the described internal-rib die cavity is provided with at least a in projection, raised line, the external corner.Like this, when cavity member is applied in the concrete, combine with Cast-in-place concrete after building concrete, formed the cast-in-place hidden rib that prefabricated component is strengthened.
Characteristic of the present invention also is described inner corner trim, chamfering, groove, raised line, external corner self or quadrature, oblique, parallel or grade separation each other.Like this, after cavity member was applied to concrete, Cast-in-place concrete and inner corner trim, chamfering, groove, raised line, external corner combined, and formed the reinforcement position of the Cast-in-place concrete of orthogonal, oblique, parallel or grade separation, had improved the stressed and transmission force property of hollow concrete structure.
Characteristic of the present invention is that also described hollow die shell is polyhedron, inner corner trim polyhedron, corrugated surface, arc angle polyhedron, interlock corrugated surface body, curved body, many curved bodies or its combination.Like this, the hollow die shell of various ways can be full of the needs of the different occasions of foot when being applied to concrete.
Characteristic of the present invention is that also described hollow die shell is metal interlock bellows or plastic film capicitor.Metal interlock bellows, plastic film capicitor have from heavy and light like this, and intensity is high, production, transportation, convenient installation.
Characteristic of the present invention is that also a described metal bellows or a spacer draw piece fix with welding, riveted joint, snapping.Like this, can be connected fixing with the support draw piece metal bellows easily.
Characteristic of the present invention also is at least one hollow die shell or its appurtenance angle is arranged.Like this, when cavity member was applied in the concrete, angle can be controlled the spacing and the thickness of each Cast-in-place concrete, meets design requirement.
Characteristic of the present invention also is to have under the described hollow die shell the outer base plate of choosing.Like this, cavity member can save installing of soffit formwork when being applied to Cast-in-place concrete, saved a large amount of manpower and materials, has improved efficiency of construction, has reduced construction cost.
Characteristic of the present invention is that also described hollow die shell and base plate connecting place are fluted.Like this, when cavity member was applied in the concrete, hollow die shell very contained securely and is fixed in the Cast-in-place concrete, forms I-shaped dark rib, has improved mechanical property.
Characteristic of the present invention also is to accompany reinforce in described hollow die shell, angle, base plate, the spacer draw piece.Like this, hollow die shell, angle, base plate, a spacer draw piece are carried out further reinforcement, effectively guaranteed its unlikely damage in transportation, installation process.
Characteristic of the present invention also is have reinforce to expose on the wall, base plate, a spacer draw piece of the internal-rib die cavity of described hollow die shell.Like this, after cavity member was applied in the concrete, the wall of internal-rib die cavity, base plate, a spacer draw piece had the reinforce and the Cast-in-place concrete that expose firmly to bond, and have further improved the globality of concrete hollow board.
Characteristic of the present invention also is to be provided with in the described hollow die shell at least one in stiffener, bracing boom, the reinforcing rib, perhaps has in stiffener, bracing boom or the reinforcing rib at least one to expose simultaneously, perhaps also has reinforce to expose simultaneously.Like this, after cavity member was applied to Cast-in-place concrete, prefabricated component such as stiffener, bracing boom, reinforcing rib and Cast-in-place concrete combined, and have formed cast-in-place and prefabricated structure combining, thereby have made structure safer, reasonable.
Characteristic of the present invention is that also at least one die side wall of described hollow die shell is the wavy metal face.Like this, the wavy metal mask has that intensity is big, non-deformability is strong, more can guarantee the systematicness and the unity of cavity member.
Characteristic of the present invention is that also the wall of the internal-rib die cavity of described hollow die shell is wavy metal wall or cement reinforce goods wall or other hush panel.Like this, the internal-rib die cavity wall that wavy metal wall or cement reinforce goods wall or other hush panel are processed has characteristics such as intensity height, rigidity is big, non-deformability is strong, has fully ensured the systematicness of internal-rib die cavity on the cavity member.
Characteristic of the present invention is that also at least two hollow die shells are moulding simultaneously.Like this, the globality and the production efficiency of two hollow die shell moulding simultaneously raising cavity members.
(4) description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.In the accompanying drawing, 1 is hollow die shell, and 2 is the internal-rib die cavity, 3 be between the spacer idler arm, in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1; Four hollow die shells 1 alternately; Constitute Cast-in-place concrete internal-rib die cavity 2 between the opposite face of two hollow die shells, have a plurality ofly in the internal-rib die cavity 2, do not have the lower shoe that is communicated with between the hollow die shell 1 spacer draw piece 3 between four hollow die shells, 1 alternate binding all-in-one-piece.
Fig. 2 is the structural representation of the embodiment of the invention 2, is flexible connection therebetween between spacer draw piece 3 and the hollow die shell 1.
Fig. 3 is the structural representation of the embodiment of the invention 3, and spacer draw piece 3 is a rod member therebetween, also can be at least a in rope, plate, muscle, silk, thin band, the pier.
Fig. 4 is the structural representation of the embodiment of the invention 4, and spacer draw piece 3 is positioned at the corner location of internal-rib die cavity 2 therebetween, also can be arranged on the middle part or the periphery of internal-rib die cavity 2.
Fig. 5 is the structural representation of the embodiment of the invention 5, and spacer draw piece 3 is a metalwork therebetween, is illustrated as reinforcing bar.
Fig. 6 is the structural representation of the embodiment of the invention 6, and spacer draw piece 3 is welded by metalwork and pre-buried metalwork on the internal-rib die cavity wall therebetween, also can be metalwork and the internal-rib die cavity wall is welded, and perhaps metalwork forms through screw or bolt.
Fig. 7 is the structural representation of the embodiment of the invention 7, and the cross sectional shape processed for steel plate of spacer draw piece 3 is zero a shape support idler arm therebetween, and also can be the cross sectional shape that steel plate processes is U, I, X, T, ㄈ, shape support idler arm or reinforcing bar, metal tube stay draw piece.
Fig. 8 is the structural representation of the embodiment of the invention 8, and one of spacer draw piece 3 has towards the die wall build-in of porose steel disc and hollow die shell 1 and is integral therebetween, and its steel disc also can be and dashes the steel disc that grid, sour jujube head or sour jujube limit are arranged.
Fig. 9 is the structural representation of the embodiment of the invention 9, and one of spacer draw piece 3 has the die wall build-in of gauze wire cloth and hollow die shell 1 to be integral therebetween.
Figure 10 is the structural representation of the embodiment of the invention 10, and one of spacer draw piece 3 is divided into flat of two fork bendings therebetween, and is integral with the inner build-in of die wall.
Figure 11 is the structural representation of the embodiment of the invention 11, and one of spacer draw piece 3 is extended with steel wire therebetween, also stretches out fiber or strip.
Figure 12 is the structural representation of the embodiment of the invention 12, therebetween spacer draw piece 3 interior anchoring of die wall that hollow mould shell 1 is stretched in bending.
Figure 13 is the structural representation of the embodiment of the invention 13, and spacer draw piece 3 is a hollow section therebetween, and an end of hollow section has opening to be bent into two tube wall, and the bending tube wall is fixed on the die wall inside of hollow die shell 1.
Figure 14 is the structural representation of the embodiment of the invention 14, and spacer draw piece 3 is filled spacer draw piece between the closely knit composite tube type that forms for hollow section therebetween.
Figure 15 is the structural representation of the embodiment of the invention 15, and spacer draw piece 3 is flat therebetween, and an end bending of flat is clipped in the die wall of hollow die shell 1.
Figure 16 is the structural representation of the embodiment of the invention 16, and the collar extension of its internal-rib die cavity 2 is horn mouth or bench port.
Figure 17 is the structural representation of the embodiment of the invention 17, is provided with the combination of inner corner trim 4, chamfering 5, pit 7 and hole 8 in its internal-rib die cavity 2.
Figure 18 is the structural representation of the embodiment of the invention 18, is provided with inner corner trim 4, chamfering 5 and groove 6 in its internal-rib die cavity 2.
Figure 19 is the structural representation of the embodiment of the invention 19, is provided with the combination of projection 9 and raised line 10 in its internal-rib die cavity 2.
Figure 20 is the structural representation of the embodiment of the invention 20, and spacer draw piece 3 becomes distance member 11 with the die wall global formation of internal-rib die cavity 2 therebetween.
Figure 21 is the structural representation of the embodiment of the invention 21, rivet at a distance from assembly 11 and hollow die shell 1 therebetween whole, also can through glued, weld or peg graft integral body.
Figure 22 is the structural representation of the embodiment of the invention 22; Be provided with reinforce 12 in its hollow die shell 1; Reinforce 12 exposes outside the top of hollow die shell 1 simultaneously; Its reinforce 12 is thin band, and reinforce 12 also can be at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, expanded metal lath, fiber, fleece, metal foil band or the strap.
Figure 23 is the structural representation of the embodiment of the invention 23, and its hollow die shell 1 is the hollow die shell of opening.
Figure 24 is the structural representation of the embodiment of the invention 24, and its hollow die shell 1 beyond internal-rib die cavity 2 is provided with the combination of inner corner trim 4, chamfering 5, groove 6, pit 7, hole 8.
Figure 25 is the structural representation of the embodiment of the invention 25, and its hollow die shell 1 beyond internal-rib die cavity 2 is provided with the combination of projection 9, raised line 10.
Figure 26 is the structural representation of the embodiment of the invention 26, and its hollow die shell 1 is provided with angle 13.
Figure 27 is the structural representation of the embodiment of the invention 27, and its hollow die shell has the outer base plate of choosing 14 for 1 time.
Figure 28 is the structural representation of the embodiment of the invention 28, is provided with the combination of stiffener 15, bracing boom 16, reinforcing rib 17 in its hollow die shell 1, has stiffener 15, bracing boom 16 to expose simultaneously, and also has reinforce 12 to expose on its exposed portions serve.
(5) specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
The present invention comprises hollow die shell 1 shown in accompanying drawing, it is characterized in that at least two hollow die shells 1 alternately; Constitute Cast-in-place concrete internal-rib die cavity 2 between the opposite face of two hollow die shells 1; Have in the internal-rib die cavity 2 two hollow die shells, 1 at least one spacer draw piece 3 of alternate binding all-in-one-piece, do not have the lower shoe that is communicated with between the hollow die shell 1, the internal-rib die cavity is more than 2 at least two; Their parallel or quadratures, a spacer draw piece 3 protrudes or stretches out internal-rib die cavity 2.Fig. 1 is the structural representation of the embodiment of the invention 1.In the accompanying drawing, 1 is hollow die shell, and 2 is the internal-rib die cavity, 3 be between the spacer idler arm, in each accompanying drawing, number identically, its explanation is identical.As shown in Figure 1; Four hollow die shells 1 alternately; Constitute Cast-in-place concrete internal-rib die cavity 2 between the opposite face of two hollow die shells, have a plurality ofly in the internal-rib die cavity 2, do not have the lower shoe that is communicated with between the hollow die shell 1 spacer draw piece 3 between four hollow die shells, 1 alternate binding all-in-one-piece.
Shown in figure 21, internal-rib die cavity 2 is two, and they are orthogonal, a spacer draw piece 3 protrusion internal-rib die cavitys 2 outsides.
Characteristic of the present invention also is between described spacer draw piece 3 and the hollow die shell 1 fixed for firmly.As shown in Figure 1, firmly fixed between a spacer draw piece 3 and the hollow die shell 1.
Characteristic of the present invention also is between described spacer draw piece 3 and the hollow die shell 1 to flexibly connecting.Fig. 2 is the structural representation of the embodiment of the invention 2, is flexible connection therebetween between spacer draw piece 3 and the hollow die shell 1.
Characteristic of the present invention is that also described spacer draw piece 3 is at least one in rod member, rope, plate, muscle, silk, thin band, the pier.Fig. 3 is the structural representation of the embodiment of the invention 3, and spacer draw piece 3 is a rod member therebetween, also can be at least a in rope, plate, muscle, silk, thin band, the pier.
Characteristic of the present invention is that also spacer draw piece 3 is spacer draw piece between hollow or porous hollow between described rod member, plate, pier formula.As shown in Figure 3, between the rod member formula spacer draw piece 3 be hollow between the spacer draw piece.
Characteristic of the present invention is that also described spacer draw piece 3 is arranged in middle part or at least one position peripheral or four jiaos of internal-rib die cavity 2.Fig. 4 is the structural representation of the embodiment of the invention 4, and spacer draw piece 3 is positioned at the corner location of internal-rib die cavity 2 therebetween, also can be arranged on the middle part or the periphery of internal-rib die cavity 2.
Characteristic of the present invention is that also described spacer draw piece 3 is metalwork.Fig. 5 is the structural representation of the embodiment of the invention 5, and spacer draw piece 3 is a metalwork therebetween, is illustrated as reinforcing bar.
Characteristic of the present invention is that also described intermetallic spacer draw piece 3 is docked by at least two metalworks; Or metalwork and the welding of internal-rib die cavity die wall; Or the built-in fitting of metalwork and internal-rib die cavity wall welding, or metalwork and built-in fitting or die cavity die wall screw or bolt form.Fig. 6 is the structural representation of the embodiment of the invention 6, and spacer draw piece 3 is welded by metalwork and pre-buried metalwork on the internal-rib die cavity wall therebetween, also can be metalwork and the internal-rib die cavity wall is welded, and perhaps metalwork forms through screw or bolt.
Characteristic of the present invention is that also the cross sectional shape that described spacer draw piece 3 processed for steel plate is U, I, X, T, zero, ㄈ, shape support draw piece or is reinforcing bar, metal tube stay draw piece.Fig. 7 is the structural representation of the embodiment of the invention 7, and the cross sectional shape processed for steel plate of spacer draw piece 3 is zero a shape support idler arm therebetween, and also can be the cross sectional shape that steel plate processes is U, I, X, T, ㄈ, shape support idler arm or reinforcing bar, metal tube stay draw piece.
Characteristic of the present invention also is hole, grid, sour jujube head or the sour jujube limit that at least one head of described spacer draw piece 3 has steel disc to dash, and is integral with the die wall build-in of hollow die shell 1.Fig. 8 is the structural representation of the embodiment of the invention 8, and one of spacer draw piece 3 has towards the die wall build-in of porose steel disc and hollow die shell 1 and is integral therebetween, and its steel disc also can be and dashes the steel disc that grid, sour jujube head or sour jujube limit are arranged.
Characteristic of the present invention is that also at least one head of described spacer draw piece 3 has gauze wire cloth, thin band, expanded metal lath or fleece, and is integral with the die wall build-in of hollow die shell 1.Fig. 9 is the structural representation of the embodiment of the invention 9, and one of spacer draw piece 3 has the die wall build-in of gauze wire cloth and hollow die shell 1 to be integral therebetween.
Characteristic of the present invention is that also at least one head of described spacer draw piece 3 is divided into flat of the above bending of two forks, and is integral with the die wall surface or the inner build-in of hollow die shell 1.Figure 10 is the structural representation of the embodiment of the invention 10, and one of spacer draw piece 3 is divided into flat of two fork bendings therebetween, and is integral with the inner build-in of die wall.
Characteristic of the present invention is that also described spacer draw piece 3 at least one heads are extended with steel wire, fiber or strip.Figure 11 is the structural representation of the embodiment of the invention 11, and one of spacer draw piece 3 is extended with steel wire therebetween, also stretches out fiber or strip.
Characteristic of the present invention is that also at least one bending of described spacer draw piece 3 stretch into anchoring in the die wall of hollow die shell 1.Figure 12 is the structural representation of the embodiment of the invention 12, therebetween spacer draw piece 3 interior anchoring of die wall that hollow mould shell 1 is stretched in bending.
Characteristic of the present invention is also that described spacer draw piece is 3 parallel, quadrature, oblique, grade separation.Shown in figure 11, a spacer draw piece 3 parallel layouts.
Characteristic of the present invention is that also described spacer draw piece 3 is hollow section, and at least one end of hollow section is to have opening to be bent into the tube wall more than two, and the bending tube wall is fixed on the die wall surface of hollow die shell 1 or is clipped in die wall inside.Figure 13 is the structural representation of the embodiment of the invention 13, and spacer draw piece 3 is a hollow section therebetween, and an end of hollow section has opening to be bent into two tube wall, and the bending tube wall is fixed on the die wall inside of hollow die shell 1.
Characteristic of the present invention is that also spacer draw piece 3 is filled spacer draw piece between closely knit one-tenth composite tube type between described hollow section.Figure 14 is the structural representation of the embodiment of the invention 14, and spacer draw piece 3 is filled spacer draw piece between the closely knit composite tube type that forms for hollow section therebetween.
Characteristic of the present invention is that also the cavity in described at least one hollow spacer draw piece 3 is communicated with the hollow mould shell cavity more than at least two.Shown in figure 13, hollow spacer draw piece 3 interior cavitys are communicated with the hollow mould shell cavity more than at least two.
Characteristic of the present invention is that also described spacer draw piece 3 is flat, and an end bending of flat is clipped in the die wall of hollow die shell 1.Figure 15 is the structural representation of the embodiment of the invention 15, and spacer draw piece 3 is flat therebetween, and an end bending of flat is clipped in the die wall of hollow die shell 1.
Characteristic of the present invention is that also the collar extension of described internal-rib die cavity 2 is horn mouth or bench port.Figure 16 is the structural representation of the embodiment of the invention 16, and the collar extension of its internal-rib die cavity 2 is horn mouth or bench port.
Characteristic of the present invention also is to be provided with in the described internal-rib die cavity 2 at least a in inner corner trim 4, chamfering 5, groove 6, pit 7, the hole 8.Figure 17 is the structural representation of the embodiment of the invention 17, is provided with the combination of inner corner trim 4, chamfering 5, pit 7 and hole 8 in its internal-rib die cavity 2.Figure 18 is the structural representation of the embodiment of the invention 18, is provided with inner corner trim 4, chamfering 5 and groove 6 in its internal-rib die cavity 2.
Characteristic of the present invention also is to be provided with in the described internal-rib die cavity 2 at least a in projection 9, raised line 10, the external corner.Figure 19 is the structural representation of the embodiment of the invention 19, is provided with the combination of projection 9 and raised line 10 in its internal-rib die cavity 2.
Characteristic of the present invention also is inner corner trim 4, chamfering 5, groove 6, the raised line 10 in the described internal-rib die cavity 2 or its combination is orthogonal thereto, oblique, parallel or grade separation.Shown in figure 19, inner corner trim 4, chamfering 5, raised line 10 or its combination in the internal-rib die cavity 2 is parallel or grade separation is arranged.
Characteristic of the present invention is that also described spacer draw piece 3 and at least one internal-rib die cavity 2 die wall global formation become distance member 11.Figure 20 is the structural representation of the embodiment of the invention 20, and spacer draw piece 3 becomes distance member 11 with the die wall global formation of internal-rib die cavity 2 therebetween.
Characteristic of the present invention also is described distance member 11 and hollow die shell 1 gluing, welding, riveted joint or pegs graft whole.Figure 21 is the structural representation of the embodiment of the invention 21, rivet at a distance from assembly 11 and hollow die shell 1 therebetween whole, also can through glued, weld or peg graft integral body.
Characteristic of the present invention is that also at least two above hollow die shells 1 are provided with reinforce 12; Perhaps there is reinforce 12 to expose simultaneously; Perhaps reinforce 12 passes internal-rib die cavity 2 and fuses, and reinforce 12 is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, expanded metal lath, fiber, fleece, metal foil band, braid over braid or the strap.Figure 22 is the structural representation of the embodiment of the invention 22; Be provided with reinforce 12 in its hollow die shell 1; Reinforce 12 exposes outside the top of hollow die shell 1 simultaneously; Its reinforce 12 is thin band, and reinforce 12 also can be at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, expanded metal lath, fiber, fleece, metal foil band or the strap.
Characteristic of the present invention is that also described reinforce 12 is thin band.Shown in figure 22, the reinforce 12 that is provided with in the hollow die shell 1 is the metal foil band.
Characteristic of the present invention also is the hollow die shell of described hollow die shell 1 at least one face opening or hole-opening.Figure 23 is the structural representation of the embodiment of the invention 23, and its hollow die shell 1 is the hollow die shell of opening.
Characteristic of the present invention is that also the hollow die shell 1 beyond the described internal-rib die cavity 2 is provided with at least a in inner corner trim 4, chamfering 5, groove 6, pit 7, the hole 8.Figure 24 is the structural representation of the embodiment of the invention 24, and its hollow die shell 1 beyond internal-rib die cavity 2 is provided with the combination of inner corner trim 4, chamfering 5, groove 6, pit 7, hole 8.
Characteristic of the present invention is that also the hollow die shell 1 beyond the described internal-rib die cavity 2 is provided with at least a in projection 9, raised line 10, the external corner.Figure 25 is the structural representation of the embodiment of the invention 25, and its hollow die shell 1 beyond internal-rib die cavity 2 is provided with the combination of projection 9, raised line 10.
Characteristic of the present invention also is described inner corner trim 4, chamfering 5, groove 6, raised line 10, external corner self or quadrature, oblique, parallel or grade separation each other.Shown in figure 25, the inner corner trim 4 on its cavity member, chamfering 5, groove 6, raised line 10, external corner self or quadrature, oblique, parallel or grade separation each other.
Characteristic of the present invention is that also described hollow die shell 1 is polyhedron, inner corner trim polyhedron, corrugated surface, arc angle polyhedron, interlock corrugated surface body, curved body, many curved bodies or its combination.Like Fig. 9, shown in Figure 10, hollow die shell 1 is the right angle hexahedron.
Characteristic of the present invention is that also described hollow die shell 1 is metal interlock bellows or plastic film capicitor.
Characteristic of the present invention is that also a described metal bellows 1 or a spacer draw piece 3 fix with welding, riveted joint, snapping.
Characteristic of the present invention also is at least one hollow die shell 1 or its appurtenance angle 13 is arranged.Figure 26 is the structural representation of the embodiment of the invention 26, and its hollow die shell 1 is provided with angle 13.
Characteristic of the present invention is that also described hollow die shell has the outer base plate of choosing 14 for 1 time.Figure 27 is the structural representation of the embodiment of the invention 27, and its hollow die shell has the outer base plate of choosing 14 for 1 time.
Characteristic of the present invention also is described hollow die shell 1 and base plate 14 connecting places fluted 6.Shown in figure 27, hollow die shell 1 and base plate 14 connecting places fluted 6.
Characteristic of the present invention also is to accompany reinforce 12 in described hollow die shell 1, angle 13, base plate 14, the spacer draw piece 3.Shown in figure 27, accompany reinforce 12 in hollow die shell 1, the base plate 14.
Characteristic of the present invention also is have reinforce 12 to expose on the wall, base plate 14, a spacer draw piece 3 of the internal-rib die cavity 2 of described hollow die shell 1.Shown in figure 27, there is reinforce 12 to expose on the wall of the internal-rib die cavity 2 of hollow die shell 1, the base plate 14.
Characteristic of the present invention also is to be provided with in the described hollow die shell 1 at least one in stiffener 15, bracing boom 16, the reinforcing rib 17; Perhaps there be in stiffener 15, bracing boom 16 or the reinforcing rib 17 at least one to expose simultaneously, perhaps also have reinforce 12 to expose simultaneously.Figure 28 is the structural representation of the embodiment of the invention 28, is provided with the combination of stiffener 15, bracing boom 16, reinforcing rib 17 in its hollow die shell 1, has stiffener 15, bracing boom 16 to expose simultaneously, and also has reinforce 12 to expose on its exposed portions serve.
Characteristic of the present invention is that also at least one die side wall of described hollow die shell 1 is the wavy metal face.
Characteristic of the present invention is that also the wall of the internal-rib die cavity 2 of described hollow die shell 1 is wavy metal wall or cement reinforce goods wall or other hush panel.
Characteristic of the present invention is that also at least two hollow die shells 1 are moulding simultaneously.
When the present invention implements; Can adopt the cement glass fibrous mesh cloth to make hollow die shell 1 earlier; And in its side pre-buried weldment, use then bar dowel as between spacer draw piece 3, with the mode that is welded to connect with a plurality of hollow die shells 1; Pre-buried weldment with bar dowel and side is integrally welded, promptly becomes hollow component used for concrete.
Claims (55)
1. hollow component used for concrete; Comprise hollow die shell (1); It is characterized in that at least two hollow die shells (1) alternately, constitute Cast-in-place concrete internal-rib die cavity (2) between the opposite face of two hollow die shells (1), have in the internal-rib die cavity (2) at least one spacer draw piece (3) of the alternate binding all-in-one-piece of two hollow die shells (1); There is not the lower shoe that is communicated with between the hollow die shell (1); The internal-rib die cavity is more than (2) at least two, their parallel or quadratures, and a spacer draw piece (3) protrudes or stretches out internal-rib die cavity (2).
2. a kind of hollow component used for concrete according to claim 1 is characterized in that between described spacer draw piece (3) and the hollow die shell (1) fixed for firmly.
3. a kind of hollow component used for concrete according to claim 1 is characterized in that between described spacer draw piece (3) and the hollow die shell (1) for flexibly connecting.
4. a kind of hollow component used for concrete according to claim 1 is characterized in that described spacer draw piece (3) is at least one in rod member, rope, plate, muscle, silk, thin band, the pier.
5. a kind of hollow component used for concrete according to claim 4 is characterized in that spacer draw piece (3) is spacer draw piece between hollow between described rod member, plate, pier formula.
6. a kind of hollow component used for concrete according to claim 4 is characterized in that spacer draw piece (3) is spacer draw piece between porous hollow between described rod member, plate, pier formula.
7. a kind of hollow component used for concrete according to claim 1 is characterized in that described spacer draw piece (3) is arranged in middle part or at least one position peripheral or four jiaos of internal-rib die cavity (2).
8. a kind of hollow component used for concrete according to claim 1 is characterized in that described spacer draw piece (3) is metalwork.
9. a kind of hollow component used for concrete according to claim 8; It is characterized in that described intermetallic spacer draw piece (3) is docked by at least two metalworks; Or metalwork and the welding of internal-rib die cavity die wall; Or the built-in fitting of metalwork and internal-rib die cavity wall welding, or metalwork and built-in fitting or die cavity die wall screw or bolt form.
10. a kind of hollow component used for concrete according to claim 8 is characterized in that U, I, X, T, zero, ㄈ, the shape support draw piece that described spacer draw piece (3) processed for steel plate or is reinforcing bar, metal tube stay draw piece.
11. a kind of hollow component used for concrete according to claim 1 is characterized in that hole, grid, sour jujube head or sour jujube limit that at least one head of described spacer draw piece (3) has steel disc to dash, and is integral with the die wall build-in of hollow die shell (1).
12. a kind of hollow component used for concrete according to claim 1 is characterized in that at least one head of described spacer draw piece (3) has gauze wire cloth, thin band, expanded metal lath or fleece, and is integral with the die wall build-in of hollow die shell (1).
13. a kind of hollow component used for concrete according to claim 1 is characterized in that at least one head of described spacer draw piece (3) is divided into flat of the above bending of two forks, and is integral with the die wall surface or the inner build-in of hollow die shell (1).
14. a kind of hollow component used for concrete according to claim 1 is characterized in that at least one head of described spacer draw piece (3) is extended with steel wire, fiber or strip.
15. a kind of hollow component used for concrete according to claim 1, at least one the bending that it is characterized in that described spacer draw piece (3) stretch into anchoring in the die wall of hollow die shell (1).
16. a kind of hollow component used for concrete according to claim 1 is characterized in that described spacer draw piece (3) is parallel, quadrature, oblique, grade separation.
17. a kind of hollow component used for concrete according to claim 1; It is characterized in that described spacer draw piece (3) is hollow section; At least one end of hollow section is to have opening to be bent into the tube wall more than two, and the bending tube wall is fixed on the die wall surface of hollow die shell (1) or is clipped in die wall inside.
18. a kind of hollow component used for concrete according to claim 17 is characterized in that spacer draw piece (3) is filled spacer draw piece between closely knit one-tenth composite tube type between described hollow section.
19., it is characterized in that the cavity in described at least one hollow spacer draw piece (3) is communicated with the hollow mould shell cavity more than at least two according to claim 5 or 17 described a kind of hollow component used for concrete.
20. a kind of hollow component used for concrete according to claim 1 is characterized in that described spacer draw piece (3) is flat, an end bending of flat is clipped in the die wall of hollow die shell (1).
21. a kind of hollow component used for concrete according to claim 1, the collar extension that it is characterized in that described internal-rib die cavity (2) is horn mouth or bench port.
22. a kind of hollow component used for concrete according to claim 1 is characterized in that being provided with in the described internal-rib die cavity (2) at least a in inner corner trim (4), chamfering (5), groove (6), pit (7), the hole (8).
23. a kind of hollow component used for concrete according to claim 1 is characterized in that being provided with in the described internal-rib die cavity (2) at least a in projection (9), raised line (10), the external corner.
24. a kind of hollow component used for concrete according to claim 22 is characterized in that inner corner trim (4), chamfering (5), the groove (6) in the described internal-rib die cavity (2) or its combination is orthogonal thereto, oblique, parallel or grade separation.
25. a kind of hollow component used for concrete according to claim 1 is characterized in that described spacer draw piece (3) and at least one internal-rib die cavity (2) die wall global formation become distance member (11).
26. a kind of hollow component used for concrete according to claim 25 is characterized in that described distance member (11) is glued with hollow die shell (1), it is whole to weld, rivet or peg graft.
27. a kind of hollow component used for concrete according to claim 1 is characterized in that at least two above hollow die shells (1) are provided with reinforce (12).
28. a kind of hollow component used for concrete according to claim 27 is characterized in that having simultaneously reinforce (12) to expose hollow die shell (1).
29. a kind of hollow component used for concrete according to claim 28; Its characteristic is passed internal-rib die cavity (2) at reinforce (12) and is fused, and reinforce (12) is at least a in reinforcing bar, steel wire, steel mesh reinforcement, gauze wire cloth, expanded metal lath, fiber, metal foil band, braid over braid or the strap.
30. a kind of hollow component used for concrete according to claim 28 is characterized in that described reinforce (12) is thin band or fleece.
31. a kind of hollow component used for concrete according to claim 1 is characterized in that the hollow die shell of described hollow die shell (1) at least one face opening or hole-opening.
32. a kind of hollow component used for concrete according to claim 1 is characterized in that described internal-rib die cavity (2) hollow die shell (1) in addition is provided with at least a in inner corner trim (4), chamfering (5), groove (6), pit (7), the hole (8).
33. a kind of hollow component used for concrete according to claim 1 is characterized in that described internal-rib die cavity (2) hollow die shell (1) in addition is provided with at least a in projection (9), raised line (10), the external corner.
34. a kind of hollow component used for concrete according to claim 32 is characterized in that described inner corner trim (4), chamfering (5), groove (6) self or quadrature, oblique, parallel or grade separation each other.
35. a kind of hollow component used for concrete according to claim 1 is characterized in that described hollow die shell (1) is polyhedron, corrugated surface, curved body or its combination.
36. a kind of hollow component used for concrete according to claim 1 is characterized in that described hollow die shell (1) is inner corner trim polyhedron or arc angle polyhedron.
37. a kind of hollow component used for concrete according to claim 1 is characterized in that described hollow die shell (1) is an interlock corrugated surface body.
38. a kind of hollow component used for concrete according to claim 1 is characterized in that described hollow die shell (1) is many curved bodies.
39. a kind of hollow component used for concrete according to claim 1 is characterized in that described hollow die shell (1) is metal interlock bellows or plastic film capicitor.
40., it is characterized in that a described metal bellows (1) or a spacer draw piece (3) fix with welding, riveted joint, snapping according to the described a kind of hollow component used for concrete of claim 39.
41. a kind of hollow component used for concrete according to claim 1 is characterized in that angle (13) is arranged at least one hollow die shell (1) or its appurtenance.
42. a kind of hollow component used for concrete according to claim 1 is characterized in that having under the described hollow die shell (1) the outer base plate of choosing (14).
43., it is characterized in that described hollow die shell (1) and base plate (14) connecting place fluted (6) according to the described a kind of hollow component used for concrete of claim 42.
44., it is characterized in that accompanying reinforce (12) in described hollow die shell (1), angle (13), the spacer draw piece (3) according to the described a kind of hollow component used for concrete of claim 41.
45., it is characterized in that having reinforce (12) to expose on the wall, a spacer draw piece (3) of the internal-rib die cavity (2) of described hollow die shell (1) according to the described a kind of hollow component used for concrete of claim 44.
46., it is characterized in that accompanying reinforce (12) in described hollow die shell (1), the base plate (14) according to the described a kind of hollow component used for concrete of claim 42.
47., it is characterized in that having on the described base plate (14) reinforce (12) to expose according to the described a kind of hollow component used for concrete of claim 46.
48. a kind of hollow component used for concrete according to claim 1 is characterized in that being provided with in the described hollow die shell (1) at least one in stiffener (15), bracing boom (16), the reinforcing rib (17).
49. according to the described a kind of hollow component used for concrete of claim 48, it is characterized in that stiffener (15) is arranged simultaneously, in bracing boom (16) or the reinforcing rib (17) at least one expose hollow die shell (1).
50., it is characterized in that described hollow die shell (1) has reinforce (12) to expose according to the described a kind of hollow component used for concrete of claim 49.
51. a kind of hollow component used for concrete according to claim 1, at least one die side wall that it is characterized in that described hollow die shell (1) is the wavy metal face.
52. a kind of hollow component used for concrete according to claim 1, the wall that it is characterized in that the internal-rib die cavity (2) of described hollow die shell (1) are wavy metal wall or cement reinforce goods wall or other hush panel.
53. a kind of hollow component used for concrete according to claim 1 is characterized in that at least two hollow die shells (1) are moulding simultaneously.
54. a kind of hollow component used for concrete according to claim 23 is characterized in that the raised line (10) in the described internal-rib die cavity (2) is orthogonal thereto, oblique, parallel or grade separation.
55. a kind of hollow component used for concrete according to claim 33 is characterized in that described raised line (10), external corner self or quadrature, oblique, parallel or grade separation each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610100456A CN1904263B (en) | 2003-05-20 | 2003-05-20 | Hollow cavity construction unit for concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610100456A CN1904263B (en) | 2003-05-20 | 2003-05-20 | Hollow cavity construction unit for concrete |
Related Parent Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610006502 Division CN1837533A (en) | 2003-05-20 | 2003-05-20 | Hollow cavity member for concrete |
| CN 03118393 Division CN1242140C (en) | 2003-05-20 | 2003-05-20 | Hollow concrete member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1904263A CN1904263A (en) | 2007-01-31 |
| CN1904263B true CN1904263B (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610100456A Expired - Fee Related CN1904263B (en) | 2003-05-20 | 2003-05-20 | Hollow cavity construction unit for concrete |
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| Country | Link |
|---|---|
| CN (1) | CN1904263B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1349028A (en) * | 2001-11-15 | 2002-05-15 | 邱则有 | Comobined ribbed cavity member for spatial structure roof |
| CN1356440A (en) * | 2001-11-23 | 2002-07-03 | 邱则有 | Floor with space structure |
| CN1401869A (en) * | 2002-10-05 | 2003-03-12 | 邱则有 | Thin-wall form member for hollowing out concrete |
| CN1403667A (en) * | 2002-10-25 | 2003-03-19 | 邱则有 | Modular formwork members |
-
2003
- 2003-05-20 CN CN200610100456A patent/CN1904263B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1349028A (en) * | 2001-11-15 | 2002-05-15 | 邱则有 | Comobined ribbed cavity member for spatial structure roof |
| CN1356440A (en) * | 2001-11-23 | 2002-07-03 | 邱则有 | Floor with space structure |
| CN1401869A (en) * | 2002-10-05 | 2003-03-12 | 邱则有 | Thin-wall form member for hollowing out concrete |
| CN1403667A (en) * | 2002-10-25 | 2003-03-19 | 邱则有 | Modular formwork members |
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|---|---|
| CN1904263A (en) | 2007-01-31 |
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