CN208184069U - A kind of cluster type raw bamboo composite structure - Google Patents
A kind of cluster type raw bamboo composite structure Download PDFInfo
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- CN208184069U CN208184069U CN201820534360.3U CN201820534360U CN208184069U CN 208184069 U CN208184069 U CN 208184069U CN 201820534360 U CN201820534360 U CN 201820534360U CN 208184069 U CN208184069 U CN 208184069U
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- thick bamboo
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Abstract
The utility model provides a kind of cluster type raw bamboo composite structure, the structure is composed of the primary thick bamboo tube (1) and hoop constraint layer (2) of more than two identical or different diameters, the mutually compacted arrangement of primary thick bamboo tube (1) forms the internal primary thick bamboo tube boundling (11) with gap, the axis of each primary thick bamboo tube (1) is parallel to each other, hoop constraint layer (2) impregnating resin glue (21) is continuous or one layer of apart windings or more along the surrounding outer surface of primary thick bamboo tube boundling (11), hoop constraint layer (2) winding angle is with primary thick bamboo tube (1) laterally at -45 °~45 °, hoop constraint layer (2) and primary thick bamboo tube boundling (11) are bonded as one to form a kind of cluster type raw bamboo composite structure by impregnating resin glue (21).The utility model structure is simple, and inside has gap, and material dosage is saved, and good from heavy and light, deformation resistance, bearing capacity is high, has the characteristics that lightweight, high-strength, economic performance is good, is suitable for all kinds of compressions, by curved or bending component.
Description
Technical field
The utility model belongs to civil engineering structure technical field, and in particular to a kind of bamboo structure, especially a kind of boundling
Formula raw bamboo composite structure.
Background technique
China's timber resources lacks, but bamboo resource occupies first place in the world with respect to very abundant, area and yield.With wood
Material is compared, and bamboo wood growth cycle is short, and morning of becoming a useful person, yield are high, and tensile strength is about 2 times of timber, and compression strength is about timber
1.5 times；Compared with the common construction timber such as concrete, steel, bamboo wood has preferable elasticity and toughness, specific strength compared with
Height, shockproof properties are excellent.Therefore, bamboo wood is all or part of to replace timber, coagulation as novel environmentally protective construction timber
Soil and steel become the emphasis and hot spot of current civil engineering field research and application.
However, raw bamboo has the defects of diameter grade is small, deflection deformation is big, single raw bamboo is easy that unstability, rigidity is small, bearing capacity
It is small, the application of raw bamboo in engineering is limited to a certain extent.At present based on raw bamboo bearing structure building, be applied to more
To the lesser civic building of load requirement and small bridge.For the biggish building of or load larger to span or bridge structure,
Single raw bamboo does not have applicable competitiveness.Therefore, the bearing capacity for improving raw bamboo structure becomes China and develops bamboo structure urgent need
It solves the problems, such as.Currently, traditional connection such as bolt or Tenon simply is carried out to multiple raw bamboos, it will be so that complex process, whole
Body running performance is poor, at high cost.
Summary of the invention
The purpose of the utility model is to provide a kind of cluster type raw bamboo composite structures, will be multiple using bamboo wood as constraint material
Raw bamboo combines to form entirety, gives full play to mass action, improves the mechanical property of raw bamboo structure, improves the bearing capacity of structure
And anti-seismic performance, raw bamboo structure is expanded in the application of field of civil engineering.It is environmentally protective that this structure takes full advantage of China
Bamboo timber resource can promote the optimization use and sustainable development of China's bamboo resource.This structure is suitable for being pressurized, by curved or press-bending
Beam, in rod structure.
For this purpose, the utility model provides a kind of cluster type raw bamboo composite structure, by more than two identical or different diameters
Primary thick bamboo tube and hoop constraint layer are composed, and the mutually compacted arrangement of primary thick bamboo tube forms the internal primary thick bamboo tube collection with gap
The axis of beam, each primary thick bamboo tube is parallel to each other, and linear or curved shape, hoop constraint layer impregnating resin glue is along primary thick bamboo tube collection
The surrounding outer surface of beam is continuous or one layer of apart windings or more, hoop constraint layer winding angle and primary thick bamboo tube laterally at -45 °
~45 °, hoop constraint layer and primary thick bamboo tube boundling are formed as one a kind of cluster type raw bamboo by impregnating resin gluing knot and combine
Structure.
In the utility model, the mutually compacted fitting of primary thick bamboo tube of more than two identical or different diameters, each primary bamboo
Cylinder mutually provides lateral support, to form entirety since bamboo wood constrains, realize the co-operation of multiple raw bamboos, section rigidity significantly increases
Greatly, bearing capacity is effectively promoted, and overcoming single raw bamboo to be easy, unstability, rigidity is small, defect of low bearing capacity；The utility model knot
There is gap, material utilization amount is saved, and from heavy and light, overall stiffness is big inside structure.
A kind of cluster type raw bamboo composite structure, it is characterised in that the mutually compacted arrangement of primary thick bamboo tube forms single
Inside has the primary thick bamboo tube boundling in gap, surrounding appearance of the hoop constraint layer impregnating resin glue along single primary thick bamboo tube boundling
Face is continuous or one layer of apart windings or more, and the axis of each primary thick bamboo tube is parallel to each other, linearly or curved shape.
As a preference, the primary thick bamboo tube of the more than two identical or different diameters of hoop constraint layer impregnating resin glue winding
Combination forms the internal primary thick bamboo tube subset beam with gap, the primary thick bamboo tube subset of more than two identical or different geomeries
The mutually compacted arrangement of beam forms the internal primary thick bamboo tube boundling with gap, and hoop constraint layer impregnating resin glue is along primary thick bamboo tube collection
The surrounding outer surface of beam is continuous or one layer of apart windings or more, and the axis of each primary thick bamboo tube is parallel to each other, linearly or curve
Shape.
The hoop constraint layer be refer to connect, the primary bamboo wood or composite bamboo of mitered, overlap joint or docking mode spreading plane
Bamboo fiber skin made of cutting, or for using primary bamboo wood or composite bamboo as bamboo rattan or bamboo fiber bundle made of raw material.
The primary thick bamboo tube boundling is mutually contradicted compacted by the primary thick bamboo tube outer wall of more than two identical or different diameters
Fitting is constituted.
The resin glue is one of epoxy resin, vinylite, polyurethane resin.
The cross section of the bamboo wood constraint cluster type raw bamboo structure is that round, oval, rectangle and number of edges are more than or equal to 5
One of equilateral polygon.
The utility model overcomes deficiency existing for general raw bamboo structure, using the constraint of hoop constraint layer, by multiple originals
Bamboo combines to form entirety, gives full play to mass action, improves the performance of raw bamboo structure, improves structural bearing capacity and resistance to deformation
Ability, and material is environmentally protective, high financial profit.Specifically have the beneficial effect that:
(1) the mutually compacted fitting of primary thick bamboo tube of more than two identical or different diameters, each primary thick bamboo tube mutually provide
Lateral support overcomes single raw bamboo to be easy the outstanding problem of unstability.
(2) structure is simple, and inside has gap, and it is integrally rigid utmostly to increase structure under the premise of limited material utilization amount
Degree, material utilization amount is saved, good from heavy and light, deformation resistance.
(3) compared with common single raw bamboo structure, bamboo wood constraint cluster type raw bamboo structure overcomes the carrying of raw bamboo structure
The lower problem of ability, has the characteristics that bearing capacity is high.
(4) the utility model is combined using hoop constraint layer and raw bamboo, and raw material are all environmentally protective bamboo wood, is filled
The high mechanical property advantage of bamboo wood intensity has been waved in distribution, has the characteristics that lightweight, high-strength, economic performance is good.
The utility model further improves the arrangement works performance of raw bamboo structure, is conducive to further pushing away for raw bamboo structure
Extensively, it is suitable for all kinds of compressions, by curved or bending component.
Detailed description of the invention:
Fig. 1 is a kind of the vertical of cluster type raw bamboo composite structure that hoop constraint layer continous way constrains same diameter straight line raw bamboo
Body schematic diagram；
Fig. 2 is a kind of the vertical of cluster type raw bamboo composite structure that hoop constraint layer discontinuous constrains same diameter straight line raw bamboo
Body schematic diagram；
Fig. 3 is a kind of the vertical of cluster type raw bamboo composite structure that hoop constraint layer continous way constrains same diameter curve raw bamboo
Body schematic diagram；
Fig. 4 is a kind of the vertical of cluster type raw bamboo composite structure that hoop constraint layer discontinuous constrains same diameter curve raw bamboo
Body schematic diagram；
Fig. 5 is that a kind of rectangular cross section for cluster type raw bamboo composite structure that hoop constraint layer constrains same diameter raw bamboo shows
It is intended to；
Fig. 6 is that a kind of circular cross section for cluster type raw bamboo composite structure that hoop constraint layer constrains same diameter raw bamboo shows
It is intended to；
Fig. 7 is that a kind of number of edges for cluster type raw bamboo composite structure that hoop constraint layer constrains same diameter raw bamboo is more than or equal to
5 equilateral polygon cross-sectional view；
Fig. 8 is that a kind of circular cross section for cluster type raw bamboo composite structure that hoop constraint layer constrains different-diameter raw bamboo shows
It is intended to；
Fig. 9 is a kind of boundling that hoop constraint layer constrains that the primary thick bamboo tube subset beam of more than two same shape sizes is formed
The rectangular cross section schematic diagram of formula raw bamboo composite structure；
In 1~attached drawing of attached drawing 9,1 is primary thick bamboo tube, 2 be hoop constraint layer, 11 be primary thick bamboo tube boundling, 12 be primary
Thick bamboo tube subset beam, 21 are resin glue.
Specific embodiment:
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention
Specific embodiment of the present utility model.A kind of cluster type raw bamboo composite structure, by the original of more than two identical or different diameters
Raw thick bamboo tube 1 and hoop constraint layer 2 are composed, and the primary mutually compacted arrangement of thick bamboo tube 1 forms the internal primary thick bamboo tube with gap
The axis of boundling 11, each primary thick bamboo tube 1 is parallel to each other, and linear or curved shape, 2 impregnating resin glue 21 of hoop constraint layer is along original
The surrounding outer surface of raw thick bamboo tube boundling 11 is continuous or one layer of apart windings or more, 2 winding angle of hoop constraint layer and primary thick bamboo tube 1
Laterally at -45 °~45 °, hoop constraint layer 2 and primary thick bamboo tube boundling 11 are bonded as one to form one by impregnating resin glue 21
Kind cluster type raw bamboo composite structure.
A kind of cluster type raw bamboo composite structure, it is characterised in that the primary mutually compacted arrangement of thick bamboo tube 1 forms single
Inside have gap primary thick bamboo tube boundling 11,2 impregnating resin glue 21 of hoop constraint layer is along single primary thick bamboo tube boundling 11
Surrounding outer surface it is continuous or one layer of apart windings or more, the axis of each primary thick bamboo tube 1 is parallel to each other, linearly or curve
Shape.
As a preference, 2 impregnating resin glue 21 of hoop constraint layer winds the primary of more than two identical or different diameters
The combination of thick bamboo tube 1 forms the internal primary thick bamboo tube subset beam 12 with gap, more than two identical or different geomeries it is primary
The mutually compacted arrangement of thick bamboo tube subset beam 12 forms the internal primary thick bamboo tube boundling 11 with gap, 2 impregnating resin of hoop constraint layer
Glue 21 is continuous or one layer of apart windings or more along the surrounding outer surface of primary thick bamboo tube boundling 11, the axis phase of each primary thick bamboo tube 1
It is mutually parallel, linear or curved shape.
The hoop constraint layer 2 be refer to connect, the primary bamboo wood or composite bamboo of mitered, overlap joint or docking mode spreading plane
Bamboo fiber skin made of cutting, or for using primary bamboo wood or composite bamboo as bamboo rattan or bamboo fiber bundle made of raw material.
The primary thick bamboo tube boundling 11 is mutually contradicted by 1 outer wall of primary thick bamboo tube of more than two identical or different diameters and is squeezed
Closely connected conjunction is constituted.
The resin glue 21 is one of epoxy resin, vinylite, polyurethane resin.
The cross section of the bamboo wood constraint cluster type raw bamboo structure is that round, oval, rectangle and number of edges are more than or equal to 5
One of equilateral polygon.
Embodiment one:
Such as Fig. 1, the utility model gives a kind of boundling of hoop constraint layer continous way constraint same diameter straight line raw bamboo
The stereoscopic schematic diagram of formula raw bamboo composite structure, the structure include primary thick bamboo tube 1, hoop constraint layer 2, primary thick bamboo tube boundling 11, tree
Rouge glue 21 is first arranged in primary thick bamboo tube boundling 11, the axis of each primary thick bamboo tube for the identical primary thick bamboo tube of several diameters is compacted
For straight line and direction is consistent, then with resin glue 21 impregnate hoop constraint layer 2, it is to be impregnated completely after, by hoop constraint layer 2
Along one layer of the surrounding outer surface continuous winding or more of primary thick bamboo tube boundling 11, winding angle is with primary thick bamboo tube 1 laterally at -45 °
~45 °, hoop constraint layer 2 and primary thick bamboo tube boundling 11 are bonded as one to form a kind of cluster type raw bamboo by impregnating resin glue 21
Composite structure.
Embodiment two:
Such as Fig. 2, the utility model gives a kind of boundling of hoop constraint layer discontinuous constraint same diameter straight line raw bamboo
The stereoscopic schematic diagram of formula raw bamboo composite structure, the structure include primary thick bamboo tube 1, hoop constraint layer 2, primary thick bamboo tube boundling 11, tree
Rouge glue 21 is first arranged in primary thick bamboo tube boundling 11, the axis of each primary thick bamboo tube for the identical primary thick bamboo tube of several diameters is compacted
For straight line and direction is consistent, then with resin glue 21 impregnate hoop constraint layer 2, it is to be impregnated completely after, by hoop constraint layer 2
Along one layer of the surrounding outer surface apart windings or more of primary thick bamboo tube boundling 11, winding angle is with primary thick bamboo tube 1 laterally at -45 °
~45 °, hoop constraint layer 2 and primary thick bamboo tube boundling 11 are bonded as one to form a kind of cluster type raw bamboo by impregnating resin glue 21
Composite structure.
Embodiment three:
Such as Fig. 3, the utility model gives a kind of boundling of hoop constraint layer continous way constraint same diameter curve raw bamboo
The stereoscopic schematic diagram of formula raw bamboo composite structure, the structure include primary thick bamboo tube 1, hoop constraint layer 2, primary thick bamboo tube boundling 11, tree
Rouge glue 21 is first arranged in primary thick bamboo tube boundling 11, the axis of each primary thick bamboo tube for the identical primary thick bamboo tube of several diameters is compacted
For curve and direction is consistent, then with resin glue 21 impregnate hoop constraint layer 2, it is to be impregnated completely after, by hoop constraint layer 2
Along one layer of the surrounding outer surface continuous winding or more of primary thick bamboo tube boundling 11, winding angle is with primary thick bamboo tube 1 laterally at -45 °
~45 °, hoop constraint layer 2 and primary thick bamboo tube boundling 11 are bonded as one to form a kind of cluster type raw bamboo by impregnating resin glue 21
Composite structure.
Example IV:
Such as Fig. 4, the utility model gives a kind of boundling of hoop constraint layer discontinuous constraint same diameter curve raw bamboo
The stereoscopic schematic diagram of formula raw bamboo composite structure, the structure include primary thick bamboo tube 1, hoop constraint layer 2, primary thick bamboo tube boundling 11, tree
Rouge glue 21 is first arranged in primary thick bamboo tube boundling 11, the axis of each primary thick bamboo tube for the identical primary thick bamboo tube of several diameters is compacted
For curve and direction is consistent, then with resin glue 21 impregnate hoop constraint layer 2, it is to be impregnated completely after, by hoop constraint layer 2
Along one layer of the surrounding outer surface apart windings or more of primary thick bamboo tube boundling 11, winding angle is with primary thick bamboo tube 1 laterally at -45 °
~45 °, hoop constraint layer 2 and primary thick bamboo tube boundling 11 are bonded as one to form a kind of cluster type raw bamboo by impregnating resin glue 21
Composite structure.
Embodiment five:
Such as Fig. 5~Fig. 7, the utility model gives a kind of cluster type raw bamboo of hoop constraint layer constraint same diameter raw bamboo
The cross-sectional view of composite structure, it is rectangle, circle and number of edges more than or equal to 5 that Fig. 5, Fig. 6, Fig. 7, which respectively correspond cross section,
Equilateral polygon, the structure include primary thick bamboo tube 1, hoop constraint layer 2, primary thick bamboo tube boundling 11, resin glue 21, first will be several straight
The identical primary thick bamboo tube of diameter is compacted to be arranged in primary thick bamboo tube boundling 11, and the axis of each primary thick bamboo tube is straight line or curve and direction
Be consistent, then with resin glue 21 impregnate hoop constraint layer 2, it is to be impregnated completely after, by hoop constraint layer 2 along primary thick bamboo tube collection
One layer of surrounding outer surface apart windings of beam 11 or more, winding angle is with primary thick bamboo tube 1 laterally at -45 °~45 °, and circumferential direction is about
Beam layer 2 and primary thick bamboo tube boundling 11 are bonded as one to form a kind of cluster type raw bamboo composite structure by impregnating resin glue 21.
Embodiment six:
Such as Fig. 8, the utility model gives a kind of cluster type raw bamboo combination of hoop constraint layer constraint different-diameter raw bamboo
The circular cross section schematic diagram of structure, the structure include primary thick bamboo tube 1, hoop constraint layer 2, primary thick bamboo tube boundling 11, resin glue
21, primary thick bamboo tube boundling 11 first is arranged in by the different primary thick bamboo tube of several diameters is compacted, and the axis of each primary thick bamboo tube is straight
Line or curve and direction is consistent then impregnate hoop constraint layer 2 with resin glue 21, it is to be impregnated completely after, by hoop constraint
Layer 2 is continuous or one layer of apart windings or more along the surrounding outer surface of primary thick bamboo tube boundling 11, the cross of winding angle and primary thick bamboo tube 1
To at -45 °~45 °, hoop constraint layer 2 and primary thick bamboo tube boundling 11 are bonded as one to form a kind of collection by impregnating resin glue 21
Beam formula raw bamboo composite structure.
Embodiment seven:
Such as Fig. 9, the utility model gives primary thick bamboo tube that hoop constraint layer constrains more than two same shape sizes
A kind of rectangular cross section schematic diagram for cluster type raw bamboo composite structure that boundling is formed, the structure include primary thick bamboo tube 1, it is circumferential about
Beam layer 2, primary thick bamboo tube boundling 11, primary thick bamboo tube subset beam 12, resin glue 21,2 impregnating resin glue 21 of hoop constraint layer winding two
The combination of primary thick bamboo tube 1 of a above same diameter forms the internal primary thick bamboo tube subset beam 12 with gap, more than two identical
Or the mutually compacted arrangement of the primary thick bamboo tube subset beam 12 of different shape size forms the internal primary thick bamboo tube boundling 11 with gap,
2 impregnating resin glue 21 of hoop constraint layer is continuous or one layer of apart windings or more along the surrounding outer surface of primary thick bamboo tube boundling 11, respectively
The axis of a primary thick bamboo tube 1 is parallel to each other, linear or curved shape.
Claims (7)
1. a kind of cluster type raw bamboo composite structure, the structure by more than two identical or different diameters primary thick bamboo tube (1) and ring
It is composed to restraint layer (2), it is characterized in that the mutually compacted arrangement of primary thick bamboo tube (1) forms the internal primary thick bamboo tube with gap
The axis of boundling (11), each primary thick bamboo tube (1) is parallel to each other, linear or curved shape, hoop constraint layer (2) impregnating resin glue
(21) continuous or one layer of apart windings or more along the surrounding outer surface of primary thick bamboo tube boundling (11), hoop constraint layer (2) winding angle
For degree with primary thick bamboo tube (1) laterally at -45 °~45 °, hoop constraint layer (2) and primary thick bamboo tube boundling (11) pass through impregnating resin
Glue (21) is bonded as one to form a kind of cluster type raw bamboo composite structure.
2. a kind of cluster type raw bamboo composite structure according to claim 1, it is characterised in that primary thick bamboo tube (1) is mutually compacted
Arrangement forms the primary thick bamboo tube boundling (11) that single inside has gap, and hoop constraint layer (2) impregnating resin glue (21) is along list
The surrounding outer surface of one primary thick bamboo tube boundling (11) is continuous or one layer of apart windings or more, the axis of each primary thick bamboo tube (1)
It is parallel to each other, linear or curved shape.
3. a kind of cluster type raw bamboo composite structure according to claim 1, it is characterised in that hoop constraint layer (2) dipping tree
Primary thick bamboo tube (1) combination of the more than two identical or different diameters of rouge glue (21) winding forms the internal primary thick bamboo tube with gap
Subset beam (12), the mutually compacted arrangement of the primary thick bamboo tube subset beam (12) of more than two identical or different geomeries form internal
Primary thick bamboo tube boundling (11) with gap, hoop constraint layer (2) impregnating resin glue (21) along primary thick bamboo tube boundling (11) four
All outer surfaces are continuous or one layer of apart windings or more, and the axis of each primary thick bamboo tube (1) is parallel to each other, linearly or curved shape.
4. a kind of cluster type raw bamboo composite structure according to claim 1, it is characterised in that hoop constraint layer (2) is to refer to
It connects, bamboo fiber skin made of the primary bamboo wood of mitered, overlap joint or docking mode spreading or composite bamboo slicing, or for primary
Bamboo wood or composite bamboo are bamboo rattan or bamboo fiber bundle made of raw material.
5. a kind of cluster type raw bamboo composite structure according to claim 1, it is characterised in that primary thick bamboo tube boundling (11) by
Primary thick bamboo tube (1) outer wall of more than two identical or different diameters mutually contradicts compacted fitting and constitutes.
6. a kind of cluster type raw bamboo composite structure according to claim 1, it is characterised in that resin glue (21) is asphalt mixtures modified by epoxy resin
One of rouge, vinylite, polyurethane resin.
7. a kind of cluster type raw bamboo composite structure according to claim 1, it is characterised in that its cross section is round, oval
Shape, rectangle and number of edges are more than or equal to 5 one of equilateral polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820534360.3U CN208184069U (en) | 2018-04-07 | 2018-04-07 | A kind of cluster type raw bamboo composite structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820534360.3U CN208184069U (en) | 2018-04-07 | 2018-04-07 | A kind of cluster type raw bamboo composite structure |
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| Publication Number | Publication Date |
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| CN208184069U true CN208184069U (en) | 2018-12-04 |
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ID=64433725
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| CN201820534360.3U Active CN208184069U (en) | 2018-04-07 | 2018-04-07 | A kind of cluster type raw bamboo composite structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374519A (en) * | 2018-04-07 | 2018-08-07 | 南京林业大学 | A kind of bamboo wood constraint cluster type raw bamboo structure |
| CN109060481A (en) * | 2018-09-13 | 2018-12-21 | 中国核动力研究设计院 | A kind of ceramic fibre beam sample irradiation test boundling pre-tightening apparatus and method |
-
2018
- 2018-04-07 CN CN201820534360.3U patent/CN208184069U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374519A (en) * | 2018-04-07 | 2018-08-07 | 南京林业大学 | A kind of bamboo wood constraint cluster type raw bamboo structure |
| CN109060481A (en) * | 2018-09-13 | 2018-12-21 | 中国核动力研究设计院 | A kind of ceramic fibre beam sample irradiation test boundling pre-tightening apparatus and method |
| CN109060481B (en) * | 2018-09-13 | 2020-12-08 | 中国核动力研究设计院 | Cluster pre-tightening device and method for ceramic fiber bundle sample irradiation test |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hefei Shuang Dao run Highway Engineering Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: 2018320000417 Denomination of utility model: A kind of cluster type raw bamboo composite structure Granted publication date: 20181204 License type: Common License Record date: 20181219 Assignee: Zhenjiang Heng An Civil Technology Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: 2018320000418 Denomination of utility model: A kind of cluster type raw bamboo composite structure Granted publication date: 20181204 License type: Common License Record date: 20181219 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Limited by Share Ltd Beijing nine road detection technology Assignor: Nanjing Forestry University Contract record no.: X2019320000056 Denomination of utility model: Former bamboo integrated configuration of bunched type Granted publication date: 20181204 License type: Common License Record date: 20190912 |