CN107867014B - The honeycomb core plate and its forming method of hexagonal structure - Google Patents

The honeycomb core plate and its forming method of hexagonal structure Download PDF

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Publication number
CN107867014B
CN107867014B CN201710258161.4A CN201710258161A CN107867014B CN 107867014 B CN107867014 B CN 107867014B CN 201710258161 A CN201710258161 A CN 201710258161A CN 107867014 B CN107867014 B CN 107867014B
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China
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adhesion zone
bonding edge
molding
bonding
core plate
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Expired - Fee Related
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CN201710258161.4A
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CN107867014A (en
Inventor
吴新凤
郝景新
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Central South University of Forestry and Technology
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Central South University of Forestry and Technology
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Priority to CN201710258161.4A priority Critical patent/CN107867014B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/10Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure

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Abstract

The invention discloses a kind of honeycomb core plate of hexagonal structure and its forming methods, honeycomb core plate includes at least two former base bands, a reinforcing strip is equipped between each former base band, adjacent former base band and reinforcing strip are Nian Jie in uniform intervals formula and the honeycomb for having multiple hexagonal unit holes is formed after pulling open towards two sides, with the S type reinforcement side formed by reinforcing strip in each hexagonal unit hole.Forming method is the following steps are included: S1: division unit;S2: setting glue bearing areas;S3: gluing;S4: bonding;S5: molding.The present invention have the advantages that simple process, manufacturing cost it is low, using environmental protection, compression strength is high, it is heat-insulated to absorb sound.

Description

The honeycomb core plate and its forming method of hexagonal structure
Technical field
The invention mainly relates to honeycomb sandwich board field shaping technique more particularly to a kind of honeycomb core plates of hexagonal structure And its forming method.
Background technique
Currently, since honeycomb sandwich board has many advantages, such as the molding of at low cost, higher than strong bottom, easy processing, packaging, transport, Furniture and building field honeycomb sandwich board gradually play advantage, replace other conventional corrugated cardboards, timber, foamed plastics etc. Material, application prospect are very wide.Conventional honeycomb sandwich board sandwich layer uses nature honeycomb structure, by substrate adhesive be bonded at Several hollow regular hexagonal prism bodies, and in its two sides composite skins material, form a kind of composite plate of new midsole structure.
The compression strength of traditional honeycomb sandwich board depends primarily on honeycomb sandwich layer, due to the sandwich layer matter of paper unit area The limitation such as amount, the aperture in unit hole, manufacture craft and cost, and the architectural characteristic of legacy cellular sandwich layer determines the company in unit hole Mode is connect, the unit hole of traditional hexagonal honeycomb sandwich layer is the hexagonal hole of a hollow out, and compression strength difficulty has very big It breaks through, constrains its application range.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, a kind of simple process, manufacturing cost are provided It is low, use that environmental protection, compression strength be high, honeycomb core plate and its forming method of the heat-insulated hexagonal structure that can absorb sound.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of honeycomb core plate of hexagonal structure, including at least two former base bands, be equipped between each former base band one plus Strong band, adjacent former base band and reinforcing strip are Nian Jie in uniform intervals formula and are formed after pulling open towards two sides and have multiple hexagon lists The honeycomb in position hole has the S type reinforcement side formed by reinforcing strip in each hexagonal unit hole.
As a further improvement of the above technical scheme:
There is a plurality of first bonding edge in uniform intervals division on the former base band, is drawn between two adjacent the first bonding edges Point have three first molding sides, divided in the reinforcing strip in uniform intervals have it is a plurality of with the first bonding edge position corresponding second Bonding edge, dividing between two adjacent the second bonding edges has the second molding side, each first bonding edge and the second bonding edge And part second forms side bonding, three first molding sides for pulling open rear same position two sides towards two sides form the hexagon Unit hole, the second molding in each hexagonal unit hole is when forming the S type and reinforcing.
The same side of the first bonding edge on each former base band is equipped with the first adhesion zone, and each first adhesion zone extends to and its phase On adjacent unidirectional one first molding side, neighbouring one first, the first adhesion zone interval molding side, each second Bonding edge is ipsilateral accordingly to be equipped with the second adhesion zone, and each second adhesion zone extends to unidirectional second molding adjacent thereto Bian Shang, the extending direction of first adhesion zone and the extending direction of the second adhesion zone are on the contrary, first adhesion zone and second It is viscous to there is part first to form side that bonding edge and part second form side bonding, second adhesion zone and the first bonding edge It connects.
The downside of each former base band is arranged in first adhesion zone, and the downside of each reinforcing strip is arranged in each second adhesion zone.
The extension segment length of first adhesion zone is set as the 0.1 to 0.25 of the first molding edge lengths, and described second is viscous Connect the extension segment length in area and the extended segment equal length of the first adhesion zone.
First bonding edge and one first molding side adjacent thereto are set as isometric, second bonding edge and One bonding edge is set as isometric.
A kind of forming method of the honeycomb core plate based on above-mentioned hexagonal structure, comprising the following steps:
S1: division unit: each former base band is successively spaced with reinforcing strip and is stacked, it is ensured that each reinforcing strip is respectively positioned on adjacent Between the former base band of upper and lower sides, using end as starting point, a plurality of first bonding edge is divided in uniform intervals on former base band, in every phase Dividing between two adjacent the first bonding edges has three first molding sides, and uniform intervals division is a plurality of in reinforcing strip glues with first Corresponding second bonding edge in edge fit position is dividing the second molding side between every two adjacent the second bonding edges;
S2: setting glue bearing areas: the first adhesion zone is arranged in the same side of the first bonding edge on former base band, and each first is viscous It meets area to extend on unidirectional one first molding side adjacent thereto, in the corresponding ipsilateral setting second of the second bonding edge Adhesion zone, each second adhesion zone extend on unidirectional second molding side adjacent thereto, the extension side of the first adhesion zone To opposite with the extending direction of the second adhesion zone;
S3: gluing: the first adhesion zone, the second bonding edge, part first molding while and second molding while on gluing;
S4: bonding: the first adhesion zone is Nian Jie with the second bonding edge and the molding side of part second, second adhesion zone It is Nian Jie to there is part first to form side with the first bonding edge;
S5: molding: the core plate after bonding is stood into certain time to after being bonded securely, required height is cut into, obtains Strip core plate, pulls open to form honeycomb core plate towards two sides.
As a further improvement of the above technical scheme:
In step sl, the 0.1 to 0.25 of the first molding edge lengths is set by the extension segment length of the first adhesion zone, it will The extension segment length of second adhesion zone is set as equal with the extension segment length of the first adhesion zone.
In step sl, it sets isometric for the first bonding edge and the first molding side, the second bonding edge and first is bonded While being set as isometric.
Compared with the prior art, the advantages of the present invention are as follows:
A kind of embodiment of the honeycomb core plate of hexagonal structure of the invention, the core plate include at least two former base bands, respectively A reinforcing strip is equipped between former base band, adjacent former base band is Nian Jie in uniform intervals formula with reinforcing strip and pulls open towards two sides The honeycomb for having multiple hexagonal unit holes is formed afterwards, in each hexagonal unit hole there is the S type formed by reinforcing strip to add Qiang Bian.In the structure, the honeycomb with multiple hexagonal unit holes, more traditional corrugated paper are formd between each former base band For the materials such as plate, timber, foamed plastics, there is heat-insulated, the low feature of simple process, manufacturing cost that absorbs sound, also, honeycomb Core plate is reusable, and environmental pollution is small, is environmentally friendly green products;And reinforcing strip can form S in each hexagonal unit hole Type reinforces side, that is, substantially increases the intensity in each hexagonal unit hole, its compression strength is made to have obtained very big breakthrough, expands The scope of application.The forming method of honeycomb core plate based on above-mentioned hexagonal structure of the invention, S1: division unit;S2: setting Glue bearing areas;S3: gluing;S4: bonding;S5: molding.Its corresponding technology effect of honeycomb core plate for having above-mentioned hexagonal structure Fruit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the honeycomb core plate of hexagonal structure of the present invention.
Fig. 2 is the structural schematic diagram in hexagonal unit hole in the honeycomb core plate of hexagonal structure of the present invention.
Fig. 3 is the structural schematic diagram (dividing state) of the honeycomb core plate of hexagonal structure of the present invention.
Fig. 4 is the gluing structural schematic diagram (gluing state) of the honeycomb core plate of hexagonal structure of the present invention.
Fig. 5 is the flow chart of the honeycomb core plate forming method of hexagonal structure of the present invention.
Each label indicates in figure:
1, former base band;11, the first bonding edge;111, the first adhesion zone;12, the first molding side;2, reinforcing strip;21, second Bonding edge;211, the second adhesion zone;22, the second molding side;3, hexagonal unit hole;4, S type reinforces side.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
Fig. 1 to Fig. 4 shows a kind of embodiment of the honeycomb core plate of hexagonal structure of the present invention, which includes at least two Bar former base band 1 is equipped with a reinforcing strip 2, adjacent former base band 1 and reinforcing strip 2 between each former base band 1 and glues in uniform intervals formula The honeycomb for having multiple hexagonal unit holes 3 is formed after connecing and pulling open towards two sides, have in each hexagonal unit hole 3 by The S type that reinforcing strip 2 is formed reinforces side 4.In the structure, the bee with multiple hexagonal unit holes 3 is formd between each former base band 1 Nest structure for the materials such as more traditional corrugated board, timber, foamed plastics, has absorb sound heat-insulated, simple process, manufacture Feature at low cost, also, honeycomb core plate is reusable, and environmental pollution is small, is environmentally friendly green products;And 2 energy of reinforcing strip S type is formed in each hexagonal unit hole 3 and reinforces side 4, that is, is substantially increased the intensity in each hexagonal unit hole 3, made its resistance to compression Intensity has obtained very big breakthrough, has expanded the scope of application.
In the present embodiment, there is a plurality of first bonding edge 11 in uniform intervals division on former base band 1, adjacent two first viscous Dividing between edge fit 11 has three first molding sides 12, has a plurality of and the first bonding edge 11 in uniform intervals division in reinforcing strip 2 Corresponding second bonding edge 21 in position, dividing between two adjacent the second bonding edges 21 has the second molding side 22, and each first is viscous Edge fit 11 and the second bonding edge 21 and part second form that side 22 is Nian Jie, pull open three articles of rear same position two sides the towards two sides One molding side 12 forms hexagonal unit hole 3, and the second molding in each hexagonal unit hole 3 is formed 4 when S type is reinforced while 22.It should In structure, three first molding sides 12 for pulling open rear same position two sides towards two sides form hexagonal unit hole 3, each hexagon list The second molding in the hole 3 of position is formed 4 when S type is reinforced while 22, and structure is simple, easy to form.
In the present embodiment, the same side of the first bonding edge 11 on each former base band 1 is equipped with the first adhesion zone 111, and each first Adhesion zone 111 extends on unidirectional one first molding side 12 adjacent thereto, the first neighbouring adhesion zone 111 It is spaced one first molding side 12, each second bonding edge 21 is ipsilateral accordingly to be equipped with the second adhesion zone 211, each second adhesion zone 211 extend on unidirectional second molding side 22 adjacent thereto, and the extending direction of the first adhesion zone 111 is Nian Jie with second The extending direction in area 211 on the contrary, the first adhesion zone 111 and the second bonding edge 21 and part second to form side 22 Nian Jie, second It is Nian Jie that adhesion zone 211 has part first to form side 12 with the first bonding edge 11.In the structure, each former base band 1 and reinforcing strip 2 The same side is respectively equipped with the first adhesion zone 111 and the second adhesion zone 211, also, each first adhesion zone 111 extend to it is adjacent thereto Unidirectional one first molding side 12 on, each second bonding edge 21 it is corresponding it is ipsilateral be equipped with the second adhesion zone 211, each the Two adhesion zones 211 extend on unidirectional second molding side 22 adjacent thereto, the extending direction of the first adhesion zone 111 with The extending direction of second adhesion zone 211 on the contrary, extended segment setting, when so that being pulled open after bonding towards two sides, more easy molding Stable S type reinforces side 4 out, guarantees compression strength.
In the present embodiment, the downside of each former base band 1 is arranged in the first adhesion zone 111, and each second adhesion zone 211 is arranged each The downside of reinforcing strip 2.In the structure, the first adhesion zone 111 is bonded the upside of reinforcing strip 2, and the second adhesion zone 211 is bonded former base band 1 upside, it is simple and reliable for structure.
In other embodiments, the first adhesion zone 111 and the second adhesion zone 211 can be separately positioned on each former base band 1 and each The upside of reinforcing strip 2 is equally able to achieve reliable adhesive effect.
In the present embodiment, the extension segment length of the first adhesion zone 111 be set as the 0.1 of 12 length of the first molding side to 0.25, the extended segment equal length of the extension segment length of the second adhesion zone 211 and the first adhesion zone 111.In the structure, first is viscous The extension segment length for meeting area 111 is set as the 0.25 of 12 length of the first molding side, in this way, can guarantee that S type reinforces side 4 is one The completely centrosymmetric S type structure of item to ensure that S type reinforces the stability on side 4, while guaranteeing adding for each hexagonal unit hole 3 Strong intensity is consistent.
In the present embodiment, the first bonding edge 11 and one first molding side 12 adjacent thereto are set as isometric, and second is viscous Edge fit 21 and the first bonding edge 11 are set as isometric.In the structure, isometric setting can guarantee to form regular hexagon unit hole 3, make Overall structure is more aesthetically pleasing resistance to be seen.
In other embodiments, the first bonding edge 11 and the first molding side 12 may be alternatively provided as Length discrepancy, be formed common Hexagonal unit hole 3.
Fig. 1 to Fig. 5 shows one kind of the forming method of the honeycomb core plate of the invention based on above-mentioned hexagonal structure Embodiment, comprising the following steps:
S1: division unit: each former base band 1 is successively spaced with reinforcing strip 2 and is stacked, it is ensured that each reinforcing strip 2 is respectively positioned on Between the former base band 1 of adjacent upper and lower sides, using end as starting point, a plurality of first bonding edge is divided in uniform intervals on former base band 1 11, dividing between every two adjacent the first bonding edges 11 has three first molding sides 12, and uniform intervals are drawn in reinforcing strip 2 Divide a plurality of the second bonding edge 21 corresponding with 11 position of the first bonding edge, is divided between every two adjacent the second bonding edges 21 Second molding side 22;
S2: setting glue bearing areas: the first adhesion zone 111 is arranged in the same side of the first bonding edge 11 on former base band 1, respectively First adhesion zone 111 extends on unidirectional one first molding side 12 adjacent thereto, corresponding in the second bonding edge 21 The second adhesion zone of ipsilateral setting 211, each second adhesion zone 211 extends to unidirectional second molding side 22 adjacent thereto On, the extending direction of the first adhesion zone 111 is opposite with the extending direction of the second adhesion zone 211;
S3: gluing: in the first adhesion zone 111, the second bonding edge 21, the molding of part first when 12 and second form 22 Upper gluing;
S4: bonding: the first adhesion zone 111 is be bonded with the second bonding edge 21 and the molding side 22 of part second, and second is viscous It is Nian Jie to there is part first to form side 12 with the first bonding edge 11 to meet area 211;
S5: molding: the core plate after bonding is stood into certain time to after being bonded securely, required height is cut into, obtains Strip core plate, pulls open to form honeycomb core plate towards two sides.
This method is used, so that the honeycomb with multiple hexagonal unit holes 3 is formd between each former base band 1, compared with For the materials such as traditional corrugated board, timber, foamed plastics, there is heat-insulated, the low spy of simple process, manufacturing cost that absorbs sound Point, also, honeycomb core plate is reusable, and environmental pollution is small, is environmentally friendly green products;And reinforcing strip 2 can be in each hexagon S type is formed in unit hole 3 and reinforces side 4, that is, is substantially increased the intensity in each hexagonal unit hole 3, obtained its compression strength Very big breakthrough, has expanded the scope of application.
In the present embodiment, in step sl, it is long that the first molding side 12 is set by the extension segment length of the first adhesion zone 111 The 0.1 to 0.25 of degree, sets phase for the extension segment length of the second adhesion zone 211 and the extension segment length of the first adhesion zone 111 Deng.In this method, the extension segment length of the first adhesion zone 111 is set as the 0.25 of 12 length of the first molding side, in this way, energy Guaranteeing that S type reinforces side 4 is a complete centrosymmetric S type structure, to ensure that S type reinforces the stability on side 4, while being guaranteed each The reinforcement intensity in hexagonal unit hole 3 is consistent.
In the present embodiment, in step sl, sets isometric for the first bonding edge 11 and the first molding side 12, second is glued Edge fit 21 and the first bonding edge 11 are set as isometric.In this method, isometric setting can guarantee to form equilateral hexagon unit hole 3, Make overall structure is more aesthetically pleasing resistance to see.
Although the present invention is disclosed as above with preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above Technical solution of the present invention makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment, Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.

Claims (9)

1. a kind of honeycomb core plate of hexagonal structure, including at least two former base bands (1), it is characterised in that: each former base band (1) it Between be equipped with a reinforcing strip (2), adjacent former base band (1) is Nian Jie in uniform intervals formula with reinforcing strip (2) and pulls open towards two sides The honeycomb for having multiple hexagonal unit holes (3) is formed afterwards, is had in each hexagonal unit hole (3) by reinforcing strip (2) shape At S type reinforce side (4), have a plurality of first bonding edge (11) in uniform intervals division on the former base band (1), adjacent two Division has three first molding sides (12) between first bonding edge (11), has on the reinforcing strip (2) in uniform intervals division more Item the second bonding edge (21) corresponding with the first bonding edge (11) position, dividing between two adjacent the second bonding edges (21) has Second molding side (22), it is viscous that each first bonding edge (11) and the second bonding edge (21) and part second form side (22) It connects, three first molding sides (12) for pulling open rear same position two sides towards two sides form the hexagonal unit hole (3), each six side The second molding in shape unit hole (3) forms (4) when the S type is reinforced in (22).
2. the honeycomb core plate of hexagonal structure according to claim 1, it is characterised in that: first on each former base band (1) The same side of bonding edge (11) is equipped with the first adhesion zone (111), and each first adhesion zone (111) extends to same side adjacent thereto To one first molding side (12) on, neighbouring the first adhesion zone (111) is spaced one first molding side (12), each the Two bonding edges (21) it is corresponding it is ipsilateral is equipped with the second adhesion zone (211), each second adhesion zone (211) extends to adjacent thereto same In second molding side (22) in one direction, the extending direction of first adhesion zone (111) and the extension of the second adhesion zone (211) It is contrary, first adhesion zone (111) and the second bonding edge (21) and part second form side (22) it is Nian Jie, described the It is Nian Jie that two adhesion zones (211) have part first to form side (12) with the first bonding edge (11).
3. the honeycomb core plate of hexagonal structure according to claim 2, it is characterised in that: first adhesion zone (111) It is arranged in the downside of each former base band (1), downside of each second adhesion zone (211) setting in each reinforcing strip (2).
4. the honeycomb core plate of hexagonal structure according to claim 2 or 3, it is characterised in that: first adhesion zone (111) extension segment length is set as the 0.1 to 0.25 of first molding side (12) length, and the second adhesion zone (211) prolong Stretch the extended segment equal length of segment length Yu the first adhesion zone (111).
5. the honeycomb core plate of hexagonal structure according to claim 2 or 3, it is characterised in that: first bonding edge (11) and one first molding side (12) adjacent thereto is set as isometric, second bonding edge (21) and the first bonding edge (11) it is set as isometric.
6. the honeycomb core plate of hexagonal structure according to claim 4, it is characterised in that: first bonding edge (11) and First molding side (12) is set as isometric, and second bonding edge (21) and the first bonding edge (11) are set as isometric.
7. a kind of forming method of the honeycomb core plate based on hexagonal structure described in any one of claims 1 to 6, feature It is: the following steps are included:
S1: division unit: each former base band (1) is successively spaced with reinforcing strip (2) and is stacked, it is ensured that each reinforcing strip (2) equal position Between the former base band (1) of adjacent upper and lower sides, using end as starting point, a plurality of first is divided in uniform intervals on former base band (1) Bonding edge (11), dividing between every two adjacent the first bonding edges (11) has three first molding sides (12), in reinforcing strip (2) uniform intervals divide a plurality of the second bonding edge (21) corresponding with the first bonding edge (11) position on, every adjacent two The second molding side (22) is divided between the second bonding edge of item (21);
S2: setting glue bearing areas: the first adhesion zone (111) are arranged in the same side of the first bonding edge (11) on former base band (1), Each first adhesion zone (111) extends on unidirectional one first molding side (12) adjacent thereto, in the second bonding edge (21) corresponding the second adhesion zone of ipsilateral setting (211), each second adhesion zone (211) extend to adjacent thereto unidirectional In second molding side (22), the extending direction of the first adhesion zone (111) is opposite with the extending direction of the second adhesion zone (211);
S3: gluing: the gluing on the first adhesion zone (111), the second bonding edge (21);
S4: bonding: the first adhesion zone (111) are Nian Jie with the second bonding edge (21) and the molding of part second side (22), it is described It is Nian Jie that second adhesion zone (211) has part first to form side (12) with the first bonding edge (11);
S5: molding: the core plate after bonding is stood into certain time to after being bonded securely, required height is cut into, obtains strip Core plate pulls open to form honeycomb core plate towards two sides.
8. the forming method of the honeycomb core plate of hexagonal structure according to claim 7, it is characterised in that: in step S1 In, the 0.1 to 0.25 of first molding side (12) length is set by the extension segment length of the first adhesion zone (111), second is glued The extension segment length for meeting area (211) is set as equal with the extension segment length of the first adhesion zone (111).
9. the forming method of the honeycomb core plate of hexagonal structure according to claim 8, it is characterised in that: in step S1 In, set isometric for the first bonding edge (11) and the first molding side (12), by the second bonding edge (21) and the first bonding edge (11) it is set as isometric.
CN201710258161.4A 2017-04-19 2017-04-19 The honeycomb core plate and its forming method of hexagonal structure Expired - Fee Related CN107867014B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109591386B (en) * 2019-01-18 2020-12-18 中南林业科技大学 Reinforcing rib staggered honeycomb core plate and manufacturing method thereof
CN110005126A (en) * 2019-03-05 2019-07-12 哈尔滨乾行达科技有限公司 Cellular material method for adjusting intensity and cellular material

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Publication number Priority date Publication date Assignee Title
JP2000016329A (en) * 1998-06-29 2000-01-18 Nissan Shatai Co Ltd Surface reinforcement material
CN101761738A (en) * 2008-12-22 2010-06-30 陶春有 Hard honeycomb core and bonding and forming method thereof by adopting strips
CN103016945A (en) * 2012-12-19 2013-04-03 上海沿锋汽车科技有限公司 Nonmetallic material S-shaped irregular array reinforcing device
CN205467593U (en) * 2016-02-26 2016-08-17 李风荣 Aluminium honeycomb sandwich board and use composite sheet of this aluminium honeycomb sandwich board preparation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000016329A (en) * 1998-06-29 2000-01-18 Nissan Shatai Co Ltd Surface reinforcement material
CN101761738A (en) * 2008-12-22 2010-06-30 陶春有 Hard honeycomb core and bonding and forming method thereof by adopting strips
CN103016945A (en) * 2012-12-19 2013-04-03 上海沿锋汽车科技有限公司 Nonmetallic material S-shaped irregular array reinforcing device
CN205467593U (en) * 2016-02-26 2016-08-17 李风荣 Aluminium honeycomb sandwich board and use composite sheet of this aluminium honeycomb sandwich board preparation

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Granted publication date: 20190830