CN109466123A - A kind of high buffer-type packaging boxboard and its manufacturing method - Google Patents

A kind of high buffer-type packaging boxboard and its manufacturing method Download PDF

Info

Publication number
CN109466123A
CN109466123A CN201811285589.9A CN201811285589A CN109466123A CN 109466123 A CN109466123 A CN 109466123A CN 201811285589 A CN201811285589 A CN 201811285589A CN 109466123 A CN109466123 A CN 109466123A
Authority
CN
China
Prior art keywords
core plate
bonded
fire
kraft liner
paperboard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811285589.9A
Other languages
Chinese (zh)
Inventor
刘万江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING HUAYI CELLULAR PACKING PRODUCTS Co Ltd
Original Assignee
CHONGQING HUAYI CELLULAR PACKING PRODUCTS Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHONGQING HUAYI CELLULAR PACKING PRODUCTS Co Ltd filed Critical CHONGQING HUAYI CELLULAR PACKING PRODUCTS Co Ltd
Priority to CN201811285589.9A priority Critical patent/CN109466123A/en
Publication of CN109466123A publication Critical patent/CN109466123A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B32B5/00Layered 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
    • B32B5/18Layered 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 features of a layer of foamed material
    • 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
    • B32B29/00Layered products comprising a layer of paper or cardboard
    • B32B29/002Layered 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
    • B32B29/007Layered 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 next to a foam layer
    • 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 shape; Layered products comprising a layer having particular features of form
    • B32B3/02Layered 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
    • B32B3/08Layered 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
    • B32B3/085Layered 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
    • 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
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • 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
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/304Insulating
    • 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
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/306Resistant to heat
    • B32B2307/3065Flame resistant or retardant, fire resistant or retardant
    • 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
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/56Damping, energy absorption
    • 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
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/73Hydrophobic
    • 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
    • B32B2439/00Containers; Receptacles
    • B32B2439/40Closed containers
    • B32B2439/62Boxes, cartons, cases

Landscapes

  • Buffer Packaging (AREA)

Abstract

The present invention relates to packing case technical fields, especially a kind of high buffer-type packs boxboard, including kraft liner, the two sides of kraft liner are symmetrically bonded with core plate, core plate is in the wavy setting of triangle, and there are the first triangular cavities between core plate and the bonding node of kraft liner, filled with buffering foam strip inside first triangular cavity, core plate is bonded with reinforced paperboard far from the side level of kraft liner, there are the second triangular cavities between reinforced paperboard and the bonding node of core plate, it is staggered between first triangular cavity and the second triangular cavity, and second is filled with insulating sponge item inside triangular cavity, reinforced paperboard is bonded with fire-retardant cardboard far from the side level of core plate, fire-retardant cardboard is bonded with waterproof board far from the side of reinforced paperboard, the outer surface of waterproof board is bonded with printed paperboard.Structure of the invention is reasonable, and making step is simple and direct, while having good resiliency, waterproofness and anti-flammability.

Description

A kind of high buffer-type packaging boxboard and its manufacturing method
Technical field
The present invention relates to packing case technical field more particularly to a kind of high buffer-type packaging boxboard and its manufacturing methods.
Background technique
Packing case has fast combination, time and labour saving, technique fineness, good seal performance, and can save a large amount of timber resources, It is the novel environment friendly packaging product of internationally recognized popularization;But the wrapping paper cushion performance manufactured in the prior art is poor, does not have resistance Waterproof performance is fired, and manufacturing step is complicated, effectively reduces the safety in utilization of packing case.
Summary of the invention
The purpose of the present invention is to solve existing in the prior art, cushion performance is poor, does not have lacking for fire-resistant waterproof performance Point, and a kind of high buffer-type proposed packs boxboard and its manufacturing method.
To achieve the goals above, present invention employs following technical solutions:
A kind of high buffer-type packaging boxboard is designed, including kraft liner, the two sides of the kraft liner are symmetrically bonded with Core plate, the core plate be in the wavy setting of triangle, and between the core plate and the bonding node of kraft liner there are First triangular cavity, filled with buffering foam strip inside first triangular cavity, the core plate is far from kraft liner Side level is bonded with reinforced paperboard, there are the second triangular cavity between the reinforced paperboard and the bonding node of core plate, It is staggered between first triangular cavity and the second triangular cavity, and filled with heat preservation inside second triangular cavity Sponge strip, the reinforced paperboard are bonded with fire-retardant cardboard far from the side level of core plate, and the fire-retardant cardboard is far from reinforcement paper The side of plate is bonded with waterproof board, and the outer surface of the waterproof board is bonded with printed paperboard.
Preferably, it is fitted with connecting plate vertically at the core plate and the bonding node of kraft liner, the connecting plate Both ends are embedded in inside reinforced paperboard respectively, and the connecting plate is in I-shaped setting.
Preferably, the fire-retardant cardboard is bonded by multiple fire retardant papers.
Preferably, it is uniformly provided with anti-skid chequer on the outside of the core plate, the anti-skid chequer is serrated setting.
The present invention also provides a kind of manufacturing methods of high buffer-type packaging boxboard, comprising the following steps:
S1: first preparation kraft liner, buffering cystosepiment, core plate, insulating sponge plate, reinforced paperboard, multiple fire retardant papers, Waterproof board and printed paperboard material;
S2: uniformly opening up anti-skid chequer by fluting apparatus on the surface of core plate, and anti-skid chequer is serrated, then by core Plate backfin is wavy at triangle;
S3: the good core plate of backfin in S is bonded in the surface of kraft liner using glue, while in core plate and ox-hide There are the first triangular cavities between the bonding node of cardboard;
S4: cystosepiment will be buffered according to the inner diameter size of the first triangular cavity in S and be cut into several buffering foam strips, together When buffering foam strip surface coating glue, and the buffering foam strip of coating glue is inserted into inside the first triangular cavity;
S5: and then reinforced paperboard is bonded in side of the core plate far from kraft liner using glue, while in core plate There are the second triangular cavities between the bonding node of reinforced paperboard;
S6: insulating sponge plate is cut by several insulating sponge items according to the inner diameter size of the second triangular cavity in S, together When be inserted into inside the second triangular cavity;
S7: connecting plate is inserted into core plate vertically at the bonding node of kraft liner, and both ends are embedded in phase respectively Inside adjacent reinforced paperboard;
S8: multiple fire retardant papers are successively bonded, to form the biggish fire-retardant cardboard of thickness, while will be fire-retardant using glue Paper plate bonding is on the surface of reinforced paperboard;
S9: it is bonded waterproof board using glue on the surface of fire-retardant cardboard, finally uses glue on the surface of waterproof board High buffer-type packaging boxboard can be obtained in bonding printed paperboard.
A kind of high buffer-type packaging boxboard proposed by the present invention and its manufacturing method, beneficial effect are: passing through buffering Foam strip, so as to improve the cushion performance of this product, by insulating sponge item, so as to improve the heat preservation effect of this product Fruit, can by fire-retardant cardboard and waterproof board so as to reinforce the being completely embedded property between reinforced paperboard by connecting plate To effectively improve the safety in utilization of this product.Structure of the invention is reasonable, and making step is simple and direct, while having good buffering Property, waterproofness and anti-flammability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of high buffer-type proposed by the present invention packs boxboard.
In figure: kraft liner 1, buffering foam strip 2, core plate 3, insulating sponge item 4, connecting plate 5, reinforced paperboard 6, fire-retardant Cardboard 7, waterproof board 8, printed paperboard 9.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1, a kind of high buffer-type packs boxboard, including kraft liner 1, the two sides of kraft liner 1 are symmetrically bonded There is core plate 3, core plate 3 is in the wavy setting of triangle, and the outside of core plate 3 is uniformly provided with anti-skid chequer, and anti-skid chequer is in sawtooth Shape setting, and there are the first triangular cavity between core plate 3 and the bonding node of kraft liner 1, inside the first triangular cavity Filled with buffering foam strip 2, core plate 3 is bonded with reinforced paperboard 6 far from the side level of kraft liner 1, reinforced paperboard 6 with There are the second triangular cavities between the bonding node of core plate 3, staggeredly set between the first triangular cavity and the second triangular cavity It sets, and is filled with insulating sponge item 4 inside the second triangular cavity, inserted vertically at core plate 3 and the bonding node of kraft liner 1 Equipped with connecting plate 5, the both ends of connecting plate 5 are embedded in respectively inside reinforced paperboard 6, and connecting plate 5 is in I-shaped setting, reinforces paper Plate 6 is bonded with fire-retardant cardboard 7 far from the side level of core plate 3, and fire-retardant cardboard 7 is bonded by multiple fire retardant papers, resistance It fires cardboard 7 and is bonded with waterproof board 8 far from the side of reinforced paperboard 6, the outer surface of waterproof board 8 is bonded with printed paperboard 9.
By buffering foam strip 2, so as to improve the cushion performance of this product, by insulating sponge item 4, so as to The heat insulation effect for improving this product, passes through resistance by connecting plate 5 so as to reinforce the being completely embedded property between reinforced paperboard 6 Cardboard 7 and waterproof board 8 are fired, can effectively improve the safety in utilization of this product.
The present invention also provides a kind of manufacturing methods of high buffer-type packaging boxboard, comprising the following steps:
S1: first preparation kraft liner 1, buffering cystosepiment, core plate 3, insulating sponge plate, reinforced paperboard 6, multiple are fire-retardant 9 material of paper, waterproof board 8 and printed paperboard;
S2: uniformly opening up anti-skid chequer by fluting apparatus on the surface of core plate 3, and anti-skid chequer is serrated, then by paper 3 backfin of core plate is wavy at triangle;
The good core plate 3 of backfin in S2: being bonded in the surface of kraft liner 1 by S3 using glue, at the same core plate 3 with There are the first triangular cavities between the bonding node of kraft liner 1;
S4: will buffer cystosepiment according to the inner diameter size of the first triangular cavity in S3 and be cut into several buffering foam strips 2, Simultaneously in the surface coating glue of buffering foam strip 2, and the buffering foam strip 2 of coating glue is inserted into the first triangular cavity Portion;
S5: and then reinforced paperboard 6 is bonded in side of the core plate 3 far from kraft liner 1 using glue, while in core There are the second triangular cavities between plate 3 and the bonding node of reinforced paperboard 6;
S6: being cut into several insulating sponge items 4 for insulating sponge plate according to the inner diameter size of the second triangular cavity in S5, It is inserted into inside the second triangular cavity simultaneously;
S7: connecting plate 5 is inserted into core plate 3 at the bonding node of kraft liner 1 vertically, and both ends are embedded in respectively Inside adjacent reinforced paperboard 6;
S8: multiple fire retardant papers are successively bonded, to form the biggish fire-retardant cardboard 7 of thickness, while will be hindered using glue Combustion cardboard 7 is bonded in the surface of reinforced paperboard 6;
S9: it is bonded waterproof board 8 using glue on the surface of fire-retardant cardboard 7, finally uses glue on the surface of waterproof board 8 High buffer-type packaging boxboard can be obtained in water bonding printed paperboard 9.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (5)

1. a kind of high buffer-type packs boxboard, including kraft liner (1), which is characterized in that the two sides of the kraft liner (1) It is symmetrically bonded with core plate (3), the core plate (3) is in the wavy setting of triangle, and the core plate (3) and kraft liner (1) there are the first triangular cavity between bonding node, filled with buffering foam strip inside first triangular cavity (2), the core plate (3) is bonded with reinforced paperboard (6) far from the side level of kraft liner (1), the reinforced paperboard (6) with There are the second triangular cavities between the bonding node of core plate (3), between first triangular cavity and the second triangular cavity It is staggered, and is filled with insulating sponge item (4) inside second triangular cavity, the reinforced paperboard (6) is far from core The side level of plate (3) is bonded with fire-retardant cardboard (7), and the fire-retardant cardboard (7) is bonded with anti-far from the side of reinforced paperboard (6) The outer surface of water cardboard (8), the waterproof board (8) is bonded with printed paperboard (9).
2. a kind of high buffer-type according to claim 1 packs boxboard, which is characterized in that the core plate (3) and ox It is fitted with vertically at the bonding node of leatherboard (1) connecting plate (5), the both ends of the connecting plate (5) are embedded in reinforcement paper respectively Plate (6) is internal, and the connecting plate (5) is in I-shaped setting.
3. a kind of high buffer-type according to claim 1 packs boxboard, which is characterized in that the fire-retardant cardboard (7) is It is bonded by multiple fire retardant papers.
4. a kind of high buffer-type according to claim 1 packs boxboard, which is characterized in that outside the core plate (3) Side is uniformly provided with anti-skid chequer, and the anti-skid chequer is serrated setting.
5. a kind of a kind of manufacturing method of high buffer-type packaging boxboard described in -4 according to claim 1, which is characterized in that packet Include following steps:
S1: preparation kraft liner (1), buffering cystosepiment, core plate (3), insulating sponge plate, reinforced paperboard (6), multiple resistances first Fire paper, waterproof board (8) and printed paperboard (9) material;
S2: uniformly opening up anti-skid chequer by fluting apparatus on the surface of core plate (3), and anti-skid chequer is serrated, then by core Plate (3) backfin is wavy at triangle;
S3: the good core plate (3) of backfin in S2 is bonded in the surface of kraft liner (1) using glue, while in core plate (3) There are the first triangular cavities between the bonding node of kraft liner (1);
S4: cystosepiment will be buffered according to the inner diameter size of the first triangular cavity in S3 and be cut into several bufferings foam strip (2), together When buffering foam strip (2) surface coating glue, and the buffering foam strip (2) of coating glue is inserted into the first triangular cavity It is internal;
S5: and then reinforced paperboard (6) is bonded in the side of core plate (3) far from kraft liner (1) using glue, while in paper There are the second triangular cavities between core plate (3) and the bonding node of reinforced paperboard (6);
S6: insulating sponge plate is cut by several insulating sponge items (4) according to the inner diameter size of the second triangular cavity in S5, together When be inserted into inside the second triangular cavity;
S7: connecting plate (5) is inserted into core plate (3) vertically at the bonding node of kraft liner (1), and both ends are inlayed respectively It is internal in adjacent reinforced paperboard (6);
S8: multiple fire retardant papers are successively bonded, to form the biggish fire-retardant cardboard (7) of thickness, while will be fire-retardant using glue Cardboard (7) is bonded in the surface of reinforced paperboard (6);
S9: it on the surface of fire-retardant cardboard (7) using glue bonding waterproof board (8), is finally used on the surface of waterproof board (8) High buffer-type packaging boxboard can be obtained in glue bonding printed paperboard (9).
CN201811285589.9A 2018-10-31 2018-10-31 A kind of high buffer-type packaging boxboard and its manufacturing method Pending CN109466123A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811285589.9A CN109466123A (en) 2018-10-31 2018-10-31 A kind of high buffer-type packaging boxboard and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811285589.9A CN109466123A (en) 2018-10-31 2018-10-31 A kind of high buffer-type packaging boxboard and its manufacturing method

Publications (1)

Publication Number Publication Date
CN109466123A true CN109466123A (en) 2019-03-15

Family

ID=65666249

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811285589.9A Pending CN109466123A (en) 2018-10-31 2018-10-31 A kind of high buffer-type packaging boxboard and its manufacturing method

Country Status (1)

Country Link
CN (1) CN109466123A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116536972A (en) * 2023-05-30 2023-08-04 浙江荣晟环保纸业股份有限公司 High-strength flame-retardant kraft case board for packaging and preparation method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4348450A (en) * 1980-08-18 1982-09-07 Julius Shaw Insulating and packaging material of metal foil-nonwoven glass fabric
JPH0397553A (en) * 1989-09-11 1991-04-23 Mitsui Petrochem Ind Ltd Laminated body and usage thereof
CN204081105U (en) * 2014-08-12 2015-01-07 广东省梅州市质量计量监督检测所 A kind of fire-retardant heat insulation plate
CN205326422U (en) * 2016-01-21 2016-06-22 北京京东方显示技术有限公司 Corrugated cardboard
CN105774066A (en) * 2016-04-12 2016-07-20 宝艺新材料股份有限公司 Environment-friendly fireproof corrugated board
CN205929688U (en) * 2016-06-28 2017-02-08 广东宝雅纸业有限公司 Corrugated container board with two -sided water proof membrane
CN207107426U (en) * 2017-08-21 2018-03-16 福建省文松彩印有限公司 A kind of constant corrugated case of keeping temperature
CN107985765A (en) * 2017-12-28 2018-05-04 苏州宏图包装材料有限公司 A kind of corrugated-paper packaging box of reinforcement type liner anti-static coating

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4348450A (en) * 1980-08-18 1982-09-07 Julius Shaw Insulating and packaging material of metal foil-nonwoven glass fabric
JPH0397553A (en) * 1989-09-11 1991-04-23 Mitsui Petrochem Ind Ltd Laminated body and usage thereof
CN204081105U (en) * 2014-08-12 2015-01-07 广东省梅州市质量计量监督检测所 A kind of fire-retardant heat insulation plate
CN205326422U (en) * 2016-01-21 2016-06-22 北京京东方显示技术有限公司 Corrugated cardboard
CN105774066A (en) * 2016-04-12 2016-07-20 宝艺新材料股份有限公司 Environment-friendly fireproof corrugated board
CN205929688U (en) * 2016-06-28 2017-02-08 广东宝雅纸业有限公司 Corrugated container board with two -sided water proof membrane
CN207107426U (en) * 2017-08-21 2018-03-16 福建省文松彩印有限公司 A kind of constant corrugated case of keeping temperature
CN107985765A (en) * 2017-12-28 2018-05-04 苏州宏图包装材料有限公司 A kind of corrugated-paper packaging box of reinforcement type liner anti-static coating

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116536972A (en) * 2023-05-30 2023-08-04 浙江荣晟环保纸业股份有限公司 High-strength flame-retardant kraft case board for packaging and preparation method thereof

Similar Documents

Publication Publication Date Title
KR102184737B1 (en) Foil-wrapped vacuum insulation element
CN102494226A (en) Vacuum insulation panel with embedded parts and preparation method for vacuum heat insulation plate
CN109466123A (en) A kind of high buffer-type packaging boxboard and its manufacturing method
CN205997445U (en) A kind of improved packing board
CN207107426U (en) A kind of constant corrugated case of keeping temperature
CN205637415U (en) Pottery sheet metal thermal -insulation decorative integrated board
CN215973092U (en) Multilayer film insulated bag
CN206928425U (en) A kind of house using vacuum heat-insulating plate
CN206030685U (en) Keep warm and separate heat recombination board and application
CN208560273U (en) A kind of carton of moistureproof and mildewproof
CN208615416U (en) A kind of composite eiderdown fabric of three-decker
CN209081797U (en) A kind of anti-wall splits that alice is seamless to piece wall cloth fabric together
CN207902938U (en) A kind of monoblock type rapid shaping packing case
CN206395110U (en) A kind of Double-layer tea packaging bag
CN206067070U (en) High temperature extrusion straw building sheet material
CN207630677U (en) A kind of parabola shaped corrugated board
CN207747526U (en) A kind of Novel fireproof cargo carton board
CN206826058U (en) A kind of pearl cotton warming plate
CN206231745U (en) A kind of packing case for the inner support of packing case and comprising it
CN214164356U (en) An environmentally friendly tear-proof corrugated cardboard
CN205577766U (en) Novel wooden soundproof door
CN207630682U (en) A kind of composite highly effective corrugated board
CN203835199U (en) Fire door
CN203213377U (en) External-wall hollow building block good in heat insulativity and high in seismic resistance
CN212054353U (en) Infill panel and door panel

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190315