CN105774046A - Nail-free seamless paper corner protector frame formed in one step and manufacturing method thereof - Google Patents
Nail-free seamless paper corner protector frame formed in one step and manufacturing method thereof Download PDFInfo
- Publication number
- CN105774046A CN105774046A CN201610138713.3A CN201610138713A CN105774046A CN 105774046 A CN105774046 A CN 105774046A CN 201610138713 A CN201610138713 A CN 201610138713A CN 105774046 A CN105774046 A CN 105774046A
- Authority
- CN
- China
- Prior art keywords
- corner protector
- cardboard
- impression
- corrugated board
- protector frame
- 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.)
- Granted
Links
- 230000001012 protector Effects 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000004080 punching Methods 0.000 claims abstract description 29
- 239000000123 paper Substances 0.000 claims abstract description 18
- 230000027455 binding Effects 0.000 claims description 16
- 238000009739 binding Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 abstract description 3
- 239000011087 paperboard Substances 0.000 abstract 5
- 239000000853 adhesive Substances 0.000 abstract 4
- 230000001070 adhesive effect Effects 0.000 abstract 4
- 238000007373 indentation Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
- B31D5/006—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including controlled deformation of flat material, e.g. pleating, corrugating or embossing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
- B31D5/0065—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including slitting and expanding flat material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D2205/00—Multiple-step processes for making three-dimensional articles
- B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
- B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
- B31D2205/0052—Perforating; Forming lines of weakness
Landscapes
- Making Paper Articles (AREA)
Abstract
The invention discloses a nail-free seamless paper corner protector frame formed in one step. The nail-free seamless paper corner protector frame formed in one step comprises paperboards and is of a multilayer structure formed by winding the paperboards; the paperboards are coated with adhesives, and every two adjacent paperboards are staggered and adhere to each other through the adhesives; the paperboards are provided with indentations. According to the nail-free seamless paper corner protector frame formed in one step, punching, indenting, corner folding and adhesive applying are carried out on bobbin paper in advance, then the bobbin paper winds around a die circle by circle and gets pressed and bonded for forming a whole body, every two adjacent layers of the bobbin paper can be bonded and connected through the adhesives such as glue because the punching positions of every two adjacent layers of the bobbin paper are staggered, and therefore the purposes of turning corners and avoiding nailing connection at joints can be realized, and various shortcomings of existing products can be completely overcome.
Description
[technical field]
The invention mainly relates to one and exempt from nail seamless one-shot forming corrugated board corner protector frame and preparation method thereof.
[background technology]
Corrugated board corner protector is less costly because of it, easy to use, can be anti-extrusion and clash into, and recyclable recycling, environmental sound in using, so in being packed by the product utilized widely at industry-by-industry.At the corrugated board corner protector frame that packaging industry uses, the way of industry is first to produce a straight corrugated board corner protector, then the size according to the corrugated board corner protector frame wanting molding, bends in angle position punching, then stamps clasp nail molding in seam, joint location.This can produce operation after punching, nailing two, and when causing operative's punch press, nailing machine, industrial injury occurs unexpectedly.And client is also reflected, with the corrugated board corner protector frame of nail, also causing the phenomenon hooking production line on automatic assembly line, clasp nail also can scratch product surface.Therefore, one is produced
[summary of the invention]
Scratching commodity surface for improving existing product nailing corrugated board corner protector frame, operation is many, and cost of manufacture is high, holds accident-prone problem in easy manufacturing process simultaneously, and the present invention proposes one and exempts from nail seamless one-shot forming corrugated board corner protector frame and preparation method thereof.
Originally exempt from nail seamless one-shot forming corrugated board corner protector frame and preparation method thereof and adopt following technical scheme:
One exempt from nail seamless one-shot forming corrugated board corner protector frame, including cardboard, described in exempt from nail seamless one-shot forming corrugated board corner protector frame by described cardboard be wound around to form multiple structure；Described cardboard scribbles binding, and adjacent two layers cardboard staggers bonded to each other by described binding；Described cardboard has impression.
As the further scheme of the present invention, described impression includes horizontal impression and perpendicular impression.
As the further scheme of the present invention, any side of described horizontal impression is provided with several punchings, has certain distance between described punching.
As the further scheme of the present invention, the side with described punching turns up to form flanging along described horizontal impression.
As the further scheme of the present invention, described cardboard is turned up to form knuckle along described perpendicular impression.
As the further scheme of the present invention, any one flanging lays respectively at above or below adjacent two flangings.
As the further scheme of the present invention, any one flanging lays respectively at the top of adjacent folds, and is positioned at the lower section of another adjacent folds.
As the further scheme of the present invention, described cardboard adopts spiral superposition to be wound around.
As the further scheme of the present invention, described cardboard is strip cop tube paper.
A kind of manufacture method exempting from nail seamless one-shot forming corrugated board corner protector frame, it comprises the following steps: a: has measured size on cardboard, and it has carried out horizontal pressure respectively with perpendicular pressure to produce horizontal impression and perpendicular impression；
B: be punched out at a certain distance in any side of described horizontal impression；Flanging is turned up to be formed along horizontal impression in the side with punching, and described cardboard is turned up to form knuckle along perpendicular impression；
C: coat binding on cardboard；
D: will be formed with the cardboard of knuckle and flanging and be wrapped on mould with spiral superposition and compress bonding, the adjacent two-layer cardboard of punching position staggers, bonded to each other to form entirety by binding between ply of paper.
The present invention compares produced beneficial effect with background technology:
Proposed by the invention exempts from nail seamless one-shot forming corrugated board corner protector frame by punching on sand tube paper in advance, impression, knuckle, gluing, again a-circle-by-a-circle be wrapped on mould compress bonding formed entirety, due to staggering of adjacent two-layer sand tube paper punching position, connection bonded to each other is carried out by bindings such as such as glue, thus realize corner, joint location exempt from nailing connect purpose, thoroughly solve the various deficiencies of existing product.
[accompanying drawing explanation]
Fig. 1 is the cardboard schematic diagram of the present invention；
Fig. 2 be the present invention exempt from nail seamless one-shot forming corrugated board corner protector frame partial schematic diagram；
Fig. 3 is that exempting from embodiment 1 follows closely seamless one-shot forming corrugated board corner protector frame top view；
Fig. 4 is that exempting from embodiment 2 follows closely seamless one-shot forming corrugated board corner protector frame top view；
Fig. 5 is the enlarged drawing of A-A in Fig. 2；
Fig. 6 is the schematic diagram of existing corrugated board corner protector frame.
[detailed description of the invention]
Being described below in detail embodiments of the invention, described embodiment example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.
In describing the invention, it should be noted that, for the noun of locality, if any term " " center ", " laterally (X) ", " longitudinally (Y) ", " vertical (Z) " " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", indicating positions such as " counterclockwise " and position relationship are based on orientation shown in the drawings or position relationship, it is for only for ease of the narration present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with particular orientation structure and operation, it is not intended that the concrete protection domain of the restriction present invention.
Additionally, if any term " first ", " second " only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating technical characteristic.Thus, defining " first ", " second " feature can be expressed or implicit include one or more this feature, in the present description, " several " are meant that two or more, unless otherwise expressly limited specifically.
In the present invention, except as otherwise clear stipulaties and restriction, should go to understand as broad sense if any term " assembling ", " being connected ", " connection " term, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can also be mechanically connected；Can be joined directly together, it is also possible to be connected by intermediary, it is possible to be that two element internals are connected.For those of ordinary skills, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
In invention, unless otherwise prescribed and limit, fisrt feature second feature it " on " or D score can include the first and second features and directly contact, it is also possible to include fisrt feature and second feature be not directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " under " and " above " include fisrt feature directly over second feature and oblique upper, or be only the height representing fisrt feature level height higher than second feature.Fisrt feature second feature " on ", " under " and " below " include fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height lower than second feature.
Below in conjunction with the accompanying drawing of description, by the specific embodiment of the present invention is further described, make technical scheme and beneficial effect thereof clearly, clearly.Describe embodiment below with reference to accompanying drawing to be illustrative of, it is intended to explain the present invention, and be not considered as limiting the invention.
Embodiment 1: refer to Fig. 1 ~ Fig. 3, one exempts from nail seamless one-shot forming corrugated board corner protector frame, and including cardboard 10, described cardboard 10 adopts strip cop tube paper；Described nail seamless one-shot forming corrugated board corner protector frame of exempting from is wound around by described cardboard 10 spiral superposition to form multiple structure；Described cardboard 10 scribbles binding, and adjacent two layers cardboard 10 staggers bonded to each other by described binding.
Described cardboard 10 has impression 20, and described impression 20 includes horizontal impression 21 and perpendicular impression 22；Any side of described horizontal impression 21 is provided with several punchings 23, has certain distance between described punching 23；Flanging 24 is turned up to be formed along described horizontal impression 21 in the side with described punching 23, and cardboard 10 is turned up to form knuckle 25 along described perpendicular impression 22, and the angle being converted into along impression 20 during molding is 90 °；Any one flanging 24 lays respectively at above or below adjacent two flangings 24.
A kind of manufacture method exempting from nail seamless one-shot forming corrugated board corner protector frame, comprises the following steps: has measured size on cardboard, and it has carried out horizontal pressure respectively with perpendicular pressure to produce horizontal impression and perpendicular impression；It is punched out at a certain distance in any side of described horizontal impression；Flanging is turned up to be formed along horizontal impression in the side with punching, and described cardboard is turned up to form knuckle along perpendicular impression；Binding is coated on cardboard；Will be formed with the cardboard of knuckle and flanging be wrapped on mould with spiral superposition and compress bonding, the adjacent two-layer cardboard of punching position staggers, bonded to each other to form entirety by binding between ply of paper, it is achieved the purpose that corner, joint location face nailing connect.
Embodiment 2: refer to shown in Fig. 1, Fig. 2, Fig. 4, Fig. 5 and Fig. 6, one exempts from nail seamless one-shot forming corrugated board corner protector frame, and including cardboard 10, described cardboard 10 adopts strip cop tube paper；Described nail seamless one-shot forming corrugated board corner protector frame of exempting from is wound around by described cardboard 10 spiral superposition to form multiple structure；Described cardboard 10 scribbles binding, and adjacent two layers cardboard 10 staggers bonded to each other by described binding.
Described cardboard 10 has impression 20, and described impression 20 includes horizontal impression 21 and perpendicular impression 22；Any side of described horizontal impression 21 is provided with several punchings 23, has certain distance between described punching 23；Flanging 24 is turned up to be formed along described horizontal impression 21 in the side with described punching 23, and described cardboard 10 is turned up to form knuckle 25 along described perpendicular impression 22；Any one flanging 24 lays respectively at the top of adjacent folds 24, and is positioned at the lower section of another adjacent folds 24.
Its manufacture method reference example 1.
At the corrugated board corner protector frame that packaging industry uses, referring to Fig. 6, the way of industry is first to produce a straight corrugated board corner protector, then the size according to the corrugated board corner protector frame wanting molding, bends in angle position punching, then stamps clasp nail molding in seam, joint location.This can produce operation after punching, nailing two, and when causing operative's punch press, nailing machine, industrial injury occurs unexpectedly.This corrugated board corner protector frame with nail in actual use, often causes the phenomenon hooking production line on automatic assembly line, and clasp nail also can scratch product surface simultaneously.As shown in Figure 1, it is simply that now used corrugated board corner protector frame；This product can increase manufacturing cost and the industrial injury caused, it also occur that have influence on assembling, scrape the problem of flower prod.
This patent needs to solve corrugated board corner protector frame when not punching nailing, the problem how corner, joint location connect molding, by punching on sand tube paper in advance, impression, knuckle, gluing, again a-circle-by-a-circle be wrapped on mould compress bonding formed entirety, due to staggering of adjacent two-layer sand tube paper punching position, carry out connection bonded to each other by bindings such as such as glue, thus realize corner, joint location exempt from nailing connect purpose, thoroughly solve the various deficiencies of existing product.It has simple in construction, is greatly reduced with material, technique, operation and maintenance cost, and compact conformation, reasonable in design, elegant in appearance.Therefore, it is a kind of technical product being respectively provided with superior function with economy.
In the description of description, the description of reference term " embodiment ", " preferably ", " example ", " concrete example " or " some examples " etc. means the specific features, structure, material or the feature that describe in conjunction with this embodiment or example, it is contained at least one embodiment or the example of the present invention, in this manual the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in a suitable manner in any one or more embodiments or example.
Description by above-mentioned structure and principle; person of ordinary skill in the field is to be understood that; the present invention is not limited to above-mentioned detailed description of the invention, adopts the improvement of techniques well known and replacement to all fall within protection scope of the present invention on basis of the present invention, should be limited it by each claim.
Claims (10)
1. exempt from nail a seamless one-shot forming corrugated board corner protector frame, including cardboard, it is characterised in that: described in exempt from nail seamless one-shot forming corrugated board corner protector frame by described cardboard be wound around to form multiple structure；Described cardboard scribbles binding, and adjacent two layers cardboard staggers bonded to each other by described binding；Described cardboard has impression.
2. according to claim 1 exempting from follows closely seamless one-shot forming corrugated board corner protector frame, it is characterised in that: described impression includes horizontal impression and perpendicular impression.
3. according to claim 2 exempting from follows closely seamless one-shot forming corrugated board corner protector frame, it is characterised in that: any side of described horizontal impression is provided with several punchings, has certain distance between described punching.
4. according to claim 2 exempting from follows closely seamless one-shot forming corrugated board corner protector frame, it is characterised in that: the side with described punching turns up to form flanging along described horizontal impression.
5. according to claim 2 exempting from follows closely seamless one-shot forming corrugated board corner protector frame, it is characterised in that: described cardboard is turned up to form knuckle along described perpendicular impression.
6. according to claim 4 exempting from follows closely seamless one-shot forming corrugated board corner protector frame, it is characterised in that: any one flanging lays respectively at above or below adjacent two flangings.
7. according to claim 4 exempting from follows closely seamless one-shot forming corrugated board corner protector frame, it is characterised in that: any one flanging lays respectively at the top of adjacent folds, and is positioned at the lower section of another adjacent folds.
8. according to claim 1 exempting from follows closely seamless one-shot forming corrugated board corner protector frame, it is characterised in that: described cardboard adopts spiral superposition to be wound around.
9. according to claim 1 exempting from follows closely seamless one-shot forming corrugated board corner protector frame, it is characterised in that: described cardboard is strip cop tube paper.
10. the manufacture method exempting from nail seamless one-shot forming corrugated board corner protector frame, it is characterised in that comprise the following steps: a: measured size on cardboard, and it has been carried out respectively horizontal pressure with perpendicular pressure to produce horizontal impression and perpendicular impression；
B: be punched out at a certain distance in any side of described horizontal impression；Flanging is turned up to be formed along horizontal impression in the side with punching, and described cardboard is turned up to form knuckle along perpendicular impression；
C: coat binding on cardboard；
D: will be formed with the cardboard of knuckle and flanging and be wrapped on mould with spiral superposition and compress bonding, the adjacent two-layer cardboard of punching position staggers, bonded to each other to form entirety by binding between ply of paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610138713.3A CN105774046B (en) | 2016-03-12 | 2016-03-12 | Exempt to follow closely seamless one-pass molding corrugated board corner protector frame and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610138713.3A CN105774046B (en) | 2016-03-12 | 2016-03-12 | Exempt to follow closely seamless one-pass molding corrugated board corner protector frame and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105774046A true CN105774046A (en) | 2016-07-20 |
| CN105774046B CN105774046B (en) | 2018-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610138713.3A Active CN105774046B (en) | 2016-03-12 | 2016-03-12 | Exempt to follow closely seamless one-pass molding corrugated board corner protector frame and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105774046B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0443506B1 (en) * | 1990-02-23 | 1993-08-11 | Kurt Dr. Heiniger | Edge protector |
| CN2315072Y (en) * | 1997-10-10 | 1999-04-21 | 武钢实业公司冷轧协力总厂塑料厂 | Protective angle of steel roll |
| FR2777262A1 (en) * | 1998-04-14 | 1999-10-15 | Cartonnages Gallia Sa | Protective corner shield for packaging |
| CN2680606Y (en) * | 2004-03-05 | 2005-02-23 | 韩秀明 | Paper-formed assembly for packing steel rolls |
| CN2695379Y (en) * | 2004-03-12 | 2005-04-27 | 卢永久 | Paper corner paper slot for packaging |
| CN201006798Y (en) * | 2006-11-24 | 2008-01-16 | 方德明 | Corner protector of product package |
| CN201125015Y (en) * | 2007-12-07 | 2008-10-01 | 孙涛 | Composite paper corner protector for packaging steel products |
| CN201351001Y (en) * | 2008-12-18 | 2009-11-25 | 武汉市江夏区江南实业有限公司 | Paper corner protector for package protection |
| CN202295733U (en) * | 2011-10-12 | 2012-07-04 | 芜湖红方包装科技有限公司 | Paper corner protector bending locking buckle mechanism |
| CN203638381U (en) * | 2013-12-29 | 2014-06-11 | 上海鄂尔特特包装技术有限公司 | Novel U-type buckle corner protection plate |
| CN105035513A (en) * | 2015-06-25 | 2015-11-11 | 苏州帅马金属制品有限公司 | Protection mat for adsorption type safe box |
-
2016
- 2016-03-12 CN CN201610138713.3A patent/CN105774046B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0443506B1 (en) * | 1990-02-23 | 1993-08-11 | Kurt Dr. Heiniger | Edge protector |
| CN2315072Y (en) * | 1997-10-10 | 1999-04-21 | 武钢实业公司冷轧协力总厂塑料厂 | Protective angle of steel roll |
| FR2777262A1 (en) * | 1998-04-14 | 1999-10-15 | Cartonnages Gallia Sa | Protective corner shield for packaging |
| FR2777262B1 (en) * | 1998-04-14 | 2000-07-07 | Cartonnages Gallia Sa | PROTECTION DEVICE FOR ANGLES |
| CN2680606Y (en) * | 2004-03-05 | 2005-02-23 | 韩秀明 | Paper-formed assembly for packing steel rolls |
| CN2695379Y (en) * | 2004-03-12 | 2005-04-27 | 卢永久 | Paper corner paper slot for packaging |
| CN201006798Y (en) * | 2006-11-24 | 2008-01-16 | 方德明 | Corner protector of product package |
| CN201125015Y (en) * | 2007-12-07 | 2008-10-01 | 孙涛 | Composite paper corner protector for packaging steel products |
| CN201351001Y (en) * | 2008-12-18 | 2009-11-25 | 武汉市江夏区江南实业有限公司 | Paper corner protector for package protection |
| CN202295733U (en) * | 2011-10-12 | 2012-07-04 | 芜湖红方包装科技有限公司 | Paper corner protector bending locking buckle mechanism |
| CN203638381U (en) * | 2013-12-29 | 2014-06-11 | 上海鄂尔特特包装技术有限公司 | Novel U-type buckle corner protection plate |
| CN105035513A (en) * | 2015-06-25 | 2015-11-11 | 苏州帅马金属制品有限公司 | Protection mat for adsorption type safe box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105774046B (en) | 2018-06-29 |
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Denomination of invention: Nail-free seamless paper corner protector frame formed in one step and manufacturing method thereof Effective date of registration: 20200426 Granted publication date: 20180629 Pledgee: Shunde Guangdong rural commercial bank Limited by Share Ltd Daliang branch Pledgor: FOSHAN SHUNDE HUIMEIZHUANG MATERIAL INDUSTRIAL Co.,Ltd. Registration number: Y2020980001768 |
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