CN112519375A - Double-layer corrugated composite paperboard - Google Patents

Double-layer corrugated composite paperboard Download PDF

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Publication number
CN112519375A
CN112519375A CN202011483101.0A CN202011483101A CN112519375A CN 112519375 A CN112519375 A CN 112519375A CN 202011483101 A CN202011483101 A CN 202011483101A CN 112519375 A CN112519375 A CN 112519375A
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China
Prior art keywords
paper layer
corrugated paper
corrugated
double
layer
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Pending
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CN202011483101.0A
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Chinese (zh)
Inventor
颜孝儒
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Suzhou Huajia Paper Products Co ltd
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Suzhou Huajia Paper Products Co ltd
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Priority to CN202011483101.0A priority Critical patent/CN112519375A/en
Publication of CN112519375A publication Critical patent/CN112519375A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/08—Corrugated paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10—Packing paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/38—Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/40—Multi-ply at least one of the sheets being non-planar, e.g. crêped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/06—Coating on the layer surface on metal layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7246—Water vapor barrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for

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  • Laminated Bodies (AREA)

Abstract

The invention discloses a double-layer corrugated composite paperboard which comprises a first outer sealing plate, a first corrugated paper layer, a first partition plate and a second corrugated paper layer, wherein the first corrugated paper layer is arranged at the top end of the first outer sealing plate, a moisture-proof structure is arranged between the first outer sealing plate and the first corrugated paper layer, and the first partition plate is arranged at the top end of the first corrugated paper layer. According to the invention, the reinforcing strips are distributed at equal intervals in the grooves of the first corrugated paper layer and the second corrugated paper layer, and the first corrugated paper layer and the second corrugated paper layer are arranged in a criss-cross manner, so that the supporting strength and toughness of the double-layer corrugated composite paper board can be effectively increased, and the dry powder is covered among the first outer sealing plate, the second outer sealing plate, the first corrugated paper layer and the second corrugated paper layer by the fiber mesh enclosure, so that the moisture which is invaded can be absorbed, and the wet water vapor is prevented from invading into the double-layer corrugated composite paper board, thereby the double-layer corrugated composite paper board has a moisture-proof function.

Description

Double-layer corrugated composite paperboard
Technical Field
The invention relates to the technical field of corrugated boards, in particular to a double-layer corrugated composite paperboard.
Background
Double-deck flute composite board is a cardboard that is formed by the bonding of two-layer corrugated container board, has higher mechanical strength, can withstand the collision in the handling and fall, is common packaging material, needs double-deck flute composite board now, but current double-deck flute composite board has many problems or defects:
in actual use, when the double-layer corrugated composite paper board is corroded by water vapor, the traditional double-layer corrugated composite paper board is easy to collapse and rot, so that the damp-proof effect of the double-layer corrugated composite paper board is poor.
Disclosure of Invention
The invention aims to provide a double-layer corrugated composite paperboard to solve the problem of poor moisture-proof effect of the double-layer corrugated composite paperboard in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a double-layer corrugated composite paperboard comprises a first outer sealing plate, a first corrugated paper layer, a first clapboard and a second corrugated paper layer, wherein the first corrugated paper layer is arranged at the top end of the first outer sealing plate, and a moisture-proof structure is arranged between the first outer sealing plate and the first corrugated paper layer, the moisture-proof structure comprises a reinforcing strip, dry powder and a fiber mesh enclosure, the reinforcing strip is arranged in the groove at the bottom end of the first corrugated paper layer, the bottom end of the reinforcing strip is provided with dry powder, the bottom end of the drying powder is provided with a fiber mesh enclosure, the top end of the first corrugated paper layer is provided with a first clapboard, and the top end of the first clapboard is provided with a heat insulation structure, the top end of the heat insulation structure is provided with a second clapboard, and the top of the second separator is provided with a second corrugated paper layer, the top of the second corrugated paper layer is provided with a second outer sealing plate, and the outer side walls of the first outer sealing plate and the second outer sealing plate are both provided with a protective structure.
Preferably, the reinforcing strips are arranged in a plurality of numbers, and the reinforcing strips are distributed at equal intervals at the bottom end of the first corrugated paper layer.
Preferably, insulation construction includes that heat preservation is cotton, through-hole and block rubber, the heat preservation is cotton to be set up between first baffle and second baffle, the cotton inside of heat preservation is provided with the through-hole, and the inside of through-hole is provided with the block rubber.
Preferably, the heat preservation cotton is evenly distributed between first baffle and second baffle, the through-hole is provided with a plurality of, and the through-hole is cellular distribution in the cotton inside of heat preservation.
Preferably, protective structure includes aluminium rete, particle coating and banding plastic film, aluminium rete fixed connection is on the lateral wall of first outer shrouding and second outer shrouding, be provided with the particle coating on the lateral wall of aluminium rete, the both sides of aluminium rete all are provided with the banding plastic film.
Preferably, the particle coatings are uniformly distributed on the outer side wall of the aluminum film layer, and the edge sealing plastic films are symmetrically arranged on two sides of the aluminum film layer.
Compared with the prior art, the invention has the beneficial effects that:
(1) the reinforcing strips are distributed in the grooves of the first corrugated paper layer and the second corrugated paper layer at equal intervals, and the first corrugated paper layer and the second corrugated paper layer are arranged in a criss-cross manner, so that the supporting strength and toughness of the double-layer corrugated composite paper board can be effectively improved, and the dry powder is covered among the first outer sealing plate, the second outer sealing plate, the first corrugated paper layer and the second corrugated paper layer by the fiber mesh enclosure, so that the moisture entering the double-layer corrugated composite paper board can be absorbed, and the wet water vapor is prevented from entering the inside of the double-layer corrugated composite paper board, so that the double-layer corrugated composite paper board has a moisture-proof function;
(2) the heat insulation cotton is uniformly arranged between the first partition board and the second partition board, so that the temperature transmission can be blocked and cut off, the heat insulation function is realized, and the through holes and the rubber blocks are distributed in a honeycomb shape in the heat insulation cotton, so that the supporting strength of the first partition board and the second partition board is improved, the phenomenon that the first partition board and the second partition board are sunken is avoided, and the double-layer corrugated composite paper board has the heat insulation function;
(3) set up on the lateral wall of first outer shrouding and the outer shrouding of second through the aluminium rete, can reflect light, avoided light and heat to pierce through double-deck flute composite board, and particle coating's setting, the life of aluminium rete has been improved, foreign object has been reduced and has caused the phenomenon of fish tail to the aluminium rete, the banding plastic film is provided with the both sides at this double-deck flute composite board simultaneously, carry out the banding to double-deck flute composite board, the phenomenon of separation scattering has been avoided appearing to double-deck flute composite board, thereby make double-deck flute composite board have safeguard function.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic structural view of a front cross section of the insulation structure of the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a first outer seal plate; 2. a first corrugated paper layer; 3. a moisture-proof structure; 301. reinforcing the strips; 302. drying the powder; 303. a fiber mesh enclosure; 4. a first separator; 5. a heat preservation structure; 501. heat preservation cotton; 502. a through hole; 503. a rubber block; 6. a second separator; 7. a second corrugated paper layer; 8. a second outer seal plate; 9. a protective structure; 901. an aluminum film layer; 902. coating the particles; 903. and (5) sealing the edge of the plastic film.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: a double-layer corrugated composite paperboard comprises a first outer sealing plate 1, a first corrugated paper layer 2, a first partition plate 4 and a second corrugated paper layer 7, wherein the first corrugated paper layer 2 is arranged at the top end of the first outer sealing plate 1, a damp-proof structure 3 is arranged between the first outer sealing plate 1 and the first corrugated paper layer 2, the damp-proof structure 3 comprises reinforcing strips 301, dry powder 302 and a fiber mesh enclosure 303, the reinforcing strips 301 are arranged in grooves at the bottom end of the first corrugated paper layer 2, the bottom end of the reinforcing strips 301 is provided with the dry powder 302, the bottom end of the dry powder 302 is provided with the fiber mesh enclosure 303, the reinforcing strips 301 are provided with a plurality of reinforcing strips, and the reinforcing strips 301 are distributed at equal intervals at the bottom end of the first corrugated paper layer 2;
when the double-layer corrugated composite paperboard is used, the reinforcing bars 301 are distributed at equal intervals in the grooves of the first corrugated paper layer 2 and the second corrugated paper layer 7, and the first corrugated paper layer 2 and the second corrugated paper layer 7 are arranged in a criss-cross manner, so that the supporting strength and toughness of the double-layer corrugated composite paperboard can be effectively improved, and the dry powder 302 is covered among the first outer sealing plate 1, the second outer sealing plate 8, the first corrugated paper layer 2 and the second corrugated paper layer 7 by the fiber mesh enclosure 303 in a sealing manner, so that the invading moisture can be absorbed, and the invasion of moist water vapor into the double-layer corrugated composite paperboard is avoided;
the top end of the first corrugated paper layer 2 is provided with a first partition board 4, the top end of the first partition board 4 is provided with a heat insulation structure 5, the heat insulation structure 5 comprises heat insulation cotton 501, through holes 502 and rubber blocks 503, the heat insulation cotton 501 is arranged between the first partition board 4 and the second partition board 6, the through holes 502 are arranged in the heat insulation cotton 501, the rubber blocks 503 are arranged in the through holes 502, the heat insulation cotton 501 is uniformly distributed between the first partition board 4 and the second partition board 6, the through holes 502 are provided with a plurality of through holes, and the through holes 502 are distributed in a honeycomb shape in the heat insulation cotton 501;
when the heat insulation cotton cloth is used, the heat insulation cotton 501 is uniformly arranged between the first partition plate 4 and the second partition plate 6, so that the heat transmission can be blocked and cut off, the heat insulation function is realized, and the through holes 502 and the rubber blocks 503 are distributed in the heat insulation cotton 501 in a honeycomb manner, so that the supporting strength of the first partition plate 4 and the second partition plate 6 is improved, and the phenomenon that the first partition plate 4 and the second partition plate 6 are sunken is avoided;
a second partition plate 6 is arranged at the top end of the heat insulation structure 5, a second corrugated paper layer 7 is arranged at the top end of the second partition plate 6, a second outer sealing plate 8 is arranged at the top end of the second corrugated paper layer 7, protective structures 9 are arranged on the outer side walls of the first outer sealing plate 1 and the second outer sealing plate 8 respectively, each protective structure 9 comprises an aluminum film layer 901, a particle coating 902 and edge sealing plastic films 903, the aluminum film layers 901 are fixedly connected to the outer side walls of the first outer sealing plate 1 and the second outer sealing plate 8, the particle coating 902 is arranged on the outer side wall of the aluminum film layer 901, the edge sealing plastic films 903 are arranged on the two sides of the aluminum film layer 901 respectively, the particle coating 902 is uniformly distributed on the outer side wall of the aluminum film layer 901, and the;
during the use, aluminium rete 901 covers on the lateral wall of first outer shrouding 1 and the outer shrouding 8 of second, can reflect light, the light and heat has been avoided wearing to see through this double-deck flute composite board, and the setting of particle coating 902, the life of aluminium rete 901 has been improved, foreign object has been reduced and has caused the phenomenon of fish tail to aluminium rete 901, banding plastic film 903 is provided with the both sides at this double-deck flute composite board simultaneously, carry out the banding to this double-deck flute composite board, the phenomenon of separation scattering has been avoided this double-deck flute composite board to appear.
The working principle is as follows: when the double-corrugated composite paperboard is used, firstly, the reinforcing strips 301 are distributed at equal intervals in the grooves of the first corrugated paper layer 2 and the second corrugated paper layer 7, and the first corrugated paper layer 2 and the second corrugated paper layer 7 are arranged in a criss-cross manner, so that the supporting strength and toughness of the double-corrugated composite paperboard can be effectively increased, and the drying powder 302 is covered between the first outer sealing plate 1 and the second outer sealing plate 8 and between the first corrugated paper layer 2 and the second corrugated paper layer 7 by the fiber mesh enclosure 303, so that the invading moisture can be absorbed, the invasion of moist water vapor into the double-corrugated composite paperboard is avoided, and the moisture-proof function of the double-corrugated composite paperboard is realized;
secondly, the heat insulation cotton 501 is uniformly arranged between the first partition board 4 and the second partition board 6, so that the heat insulation cotton can block and isolate the temperature transmission, the heat insulation function is realized, and the through holes 502 and the rubber blocks 503 are distributed in a honeycomb shape in the heat insulation cotton 501, so that the supporting strength of the first partition board 4 and the second partition board 6 is improved, and the phenomenon that the first partition board 4 and the second partition board 6 are sunken is avoided;
finally, aluminium rete 901 covers on the lateral wall of first outer shrouding 1 and the outer shrouding 8 of second, can reflect light, the light and heat has been avoided wearing to see through this double-deck flute composite board, and the setting of particle coating 902, the life of aluminium rete 901 has been improved, foreign object has been reduced and has caused the phenomenon of fish tail to aluminium rete 901, banding plastic film 903 is provided with the both sides at this double-deck flute composite board simultaneously, carry out the banding to this double-deck flute composite board, the phenomenon of separation scattering has been avoided this double-deck flute composite board to appear, finally accomplish the use of this double-deck flute composite board.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a double-deck corrugated composite board, includes first outer shrouding (1), first corrugated paper layer (2), first baffle (4) and second corrugated paper layer (7), its characterized in that: the top end of the first outer sealing plate (1) is provided with a first corrugated paper layer (2), a damp-proof structure (3) is arranged between the first outer sealing plate (1) and the first corrugated paper layer (2), the damp-proof structure (3) comprises a reinforcing strip (301), dry powder (302) and a fiber mesh enclosure (303), the reinforcing strip (301) is arranged inside a groove at the bottom end of the first corrugated paper layer (2), the bottom end of the reinforcing strip (301) is provided with the dry powder (302), the bottom end of the dry powder (302) is provided with the fiber mesh enclosure (303), the top end of the first corrugated paper layer (2) is provided with a first clapboard (4), the top end of the first clapboard (4) is provided with an insulation structure (5), the top end of the insulation structure (5) is provided with a second clapboard (6), and the top end of the second clapboard (6) is provided with a second corrugated paper layer (7), the top of second corrugated paper layer (7) is provided with second outer shrouding (8), all be provided with protective structure (9) on the lateral wall of first outer shrouding (1) and second outer shrouding (8).
2. The double-corrugated composite paperboard according to claim 1, wherein: the reinforcing strips (301) are arranged in a plurality of numbers, and the reinforcing strips (301) are distributed at equal intervals at the bottom end of the first corrugated paper layer (2).
3. The double-corrugated composite paperboard according to claim 1, wherein: insulation construction (5) are including heat preservation cotton (501), through-hole (502) and block rubber (503), heat preservation cotton (501) set up between first baffle (4) and second baffle (6), the inside of heat preservation cotton (501) is provided with through-hole (502), and the inside of through-hole (502) is provided with block rubber (503).
4. The double-corrugated composite paperboard according to claim 3, wherein: the heat preservation cotton (501) is evenly distributed between the first partition board (4) and the second partition board (6), the through holes (502) are provided with a plurality of, and the through holes (502) are in honeycomb distribution in the heat preservation cotton (501).
5. The double-corrugated composite paperboard according to claim 1, wherein: the protective structure (9) comprises an aluminum film layer (901), particle coatings (902) and edge sealing plastic films (903), wherein the aluminum film layer (901) is fixedly connected to the outer side walls of the first outer sealing plate (1) and the second outer sealing plate (8), the particle coatings (902) are arranged on the outer side walls of the aluminum film layer (901), and the edge sealing plastic films (903) are arranged on two sides of the aluminum film layer (901).
6. The double-corrugated composite paperboard according to claim 5, wherein: the particle coatings (902) are uniformly distributed on the outer side wall of the aluminum film layer (901), and the edge sealing plastic films (903) are symmetrically arranged on two sides of the aluminum film layer (901).
CN202011483101.0A 2020-12-15 2020-12-15 Double-layer corrugated composite paperboard Pending CN112519375A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011483101.0A CN112519375A (en) 2020-12-15 2020-12-15 Double-layer corrugated composite paperboard

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Application Number Priority Date Filing Date Title
CN202011483101.0A CN112519375A (en) 2020-12-15 2020-12-15 Double-layer corrugated composite paperboard

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CN206141065U (en) * 2016-11-04 2017-05-03 上海永盛包装有限公司 Double -deck light insulation moistureproof paper board
CN209888332U (en) * 2019-02-01 2020-01-03 苏州上林新型包装材料有限公司 Double-layer corrugated composite paperboard
CN111038009A (en) * 2019-12-31 2020-04-21 锦上包装江苏有限公司 Moisture-proof corrugated board
CN210617537U (en) * 2019-07-18 2020-05-26 平湖市申丰纸业有限公司 Novel compression-resistant flame-retardant corrugated board
CN211713522U (en) * 2020-03-09 2020-10-20 合肥宏图彩印有限公司 Dampproofing corrugated paper
CN214215067U (en) * 2020-12-15 2021-09-17 苏州华佳纸制品有限公司 Double-layer corrugated composite paperboard

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206141065U (en) * 2016-11-04 2017-05-03 上海永盛包装有限公司 Double -deck light insulation moistureproof paper board
CN209888332U (en) * 2019-02-01 2020-01-03 苏州上林新型包装材料有限公司 Double-layer corrugated composite paperboard
CN210617537U (en) * 2019-07-18 2020-05-26 平湖市申丰纸业有限公司 Novel compression-resistant flame-retardant corrugated board
CN111038009A (en) * 2019-12-31 2020-04-21 锦上包装江苏有限公司 Moisture-proof corrugated board
CN211713522U (en) * 2020-03-09 2020-10-20 合肥宏图彩印有限公司 Dampproofing corrugated paper
CN214215067U (en) * 2020-12-15 2021-09-17 苏州华佳纸制品有限公司 Double-layer corrugated composite paperboard

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