CN105819112A - Cutting-off edge and thin film roll container - Google Patents
Cutting-off edge and thin film roll container Download PDFInfo
- Publication number
- CN105819112A CN105819112A CN201610011776.2A CN201610011776A CN105819112A CN 105819112 A CN105819112 A CN 105819112A CN 201610011776 A CN201610011776 A CN 201610011776A CN 105819112 A CN105819112 A CN 105819112A
- Authority
- CN
- China
- Prior art keywords
- cutting edge
- thin film
- cutting
- protuberance
- film
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/08—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession
- B65D83/0805—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall
- B65D83/0811—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall with means for assisting dispensing
- B65D83/0841—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall with means for assisting dispensing and for cutting interconnected articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2583/00—Containers or packages with special means for dispensing contents
- B65D2583/08—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession
- B65D2583/082—Details relating to containers for dispensing thin flat articles in succession
- B65D2583/085—Details relating to the cutting means
Abstract
The invention provides a cutting-off edge and a thin film roll container. Cutting-off performance of the cutting-off edge arranged on the thin film roll container is completely realized, and the safety is ensured so that a user won't be hurted. The cutting-off edge (50) is configured into a long strip along a length direction of the thin film roll container (1) and is used for cutting off a thin film (F) drawn from a thin film roll (R) of the thin film roll container. The central part of the cutting-off edge (50) has bulges (60) in the length direction, the bulges protruding in a direction facing the drawn thin film (F). The bulges (60) have approximately trapezoid shapes, which have flat linear parts (70) at the end sides. The length (L1) of each linear part (70) is more than 1% and less than 5% of the length of the cutting-off edge (50) in the length direction. Variable angles at the two ends of each linear part (70) are less than 7 degrees.
Description
Technical field
In particular, the present invention relates to cutting edge and film rolling accommodating container, this cutting edge is arranged on the film rolling accommodating container of storage film rolling, cutting off for the thin film that will pull out from described film rolling, described film rolling is (hereinafter referred to as " thin film ") such as the food packaging antistaling film of winding, aluminium foil, parchment papers and constitutes.
Background technology
Generally, winding film constitutes film rolling on core body made of paper, and this film rolling is incorporated in rectangular-shaped film rolling accommodating container made of paper.Film rolling accommodating container is generally of: incorporating section, its upper surface open, and storage film rolling；And cap, this upper surface open of its opening and closing, the end at cap is provided with cutting edge, and this cutting edge is cut off for the thin film that will pull out from film rolling.Cutting edge is formed as strip generally along the length direction of cap.
Cut off by user due to above-mentioned thin film every time and use, therefore, for the cutting edge of film rolling accommodating container, need excellent cuttability and do not make the safety that user is injured.About cuttability, there is the technology (with reference to patent documentation 1,2) such as making the central part of cutting edge highlight.
Patent documentation 1: Japanese Unexamined Patent Publication 2010-247873 publication
Patent documentation 2: Japanese Unexamined Patent Publication 5-246426 publication
But, only make the central part of cutting edge highlight, it is impossible to substantially ensure that safety.Further, by the shape making this central part highlight, it is impossible to obtain sufficient cuttability.
Summary of the invention
The present invention completes in view of the above problems, it is an object of the invention to realize be arranged at film rolling accommodating container cutting edge sufficient cuttability while, also assure that the sufficient safety not making user injured.
The result that the present inventor the most actively studies is to make following discovery thus completes the present invention: the central part making cutting edge is that generally trapezoidal shape highlights, the length of the line part at the upper end of this trapezoidal shape is set as the value of the scope of regulation, it is below the value of regulation by the variation angle initialization at the two ends of line part, thus solves above-mentioned problem.That is, the mode of the present invention comprises herein below.
(1) a kind of cutting edge, described cutting edge is arranged to strip along the length direction of film rolling accommodating container, thin film for pulling out from the film rolling of described film rolling accommodating container cuts off, wherein, described cutting edge has protuberance at the central part of length direction, described protuberance highlights towards the direction of the thin film towards described pull-out, described protuberance has generally trapezoidal shape, this generally trapezoidal shape has smooth line part at end side, more than the 1% and less than 5% of the length that the length of described line part is turned off on the length direction of sword, variation angle at the two ends of described line part is less than 7 degree.
(2) according to the cutting edge described in (1), described cutting edge has protuberance at the both ends of length direction, and described protuberance highlights towards the direction of the thin film towards described pull-out.
(3) a kind of film rolling accommodating container, it has the cutting edge of any one in (1) or (2).
In accordance with the invention it is possible to also assure that, while realizing the sufficient cuttability of cutting edge being arranged on film rolling accommodating container, the sufficient safety not making user injured.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the outline of the film rolling storage device illustrating the present invention.
Fig. 2 is the expanded view of film rolling storage device.
Fig. 3 is the explanatory diagram being shown in the back mounted cutting edge covering sheet.
Fig. 4 is turned off the enlarged drawing of the protuberance of the central authorities of sword.
Fig. 5 is the explanatory diagram of the shape of the multiple teeth illustrating cutting edge.
Fig. 6 is the explanatory diagram of the experiment of the cuttability of embodiment.
Label declaration
1: film rolling accommodating container；50: cutting edge；60: protuberance；70: line part；F: thin film；The length of L1: line part.
Detailed description of the invention
Hereinafter the present invention is specifically described.It addition, following embodiment is the illustration for the present invention is described, the present invention is not only to be defined in this embodiment.Identical key element is enclosed identical label, and the repetitive description thereof will be omitted.Further, in drawing, about the position relationship waited up and down, as long as being not specifically noted, it is simply that based on the position relationship shown in drawing.And, the dimension scale of drawing is not limited to the ratio of diagram.
Fig. 1 is the axonometric chart of the outline of the film rolling accommodating container 1 with cutting edge 50 illustrating present embodiment, and Fig. 2 is the expanded view of the face side of the film rolling accommodating container 1 of Fig. 1.
Film rolling accommodating container 1 shown in Fig. 1 has: incorporating section 10, its upper surface open, and can receive film rolling R of tubular；With cap 11, it can the upper surface open of opening and closing incorporating section 10.Incorporating section 10 such as has: header board 20；Base plate 21；Back plate 22；The side plate 23 being connected with the two ends of the length direction of base plate 21；The auxiliary side plates 24 being connected with the two ends of the length direction of back plate 22；And the auxiliary side plates 25 being connected with the two ends of header board 20.Upper edge at header board 20 connects the edge tabs 26 that the rear side of oriented header board 20 is turned back, and connecting in the both sides of the length direction of edge tabs 26 has guide plate 27.Can also not have it addition, edge tabs 26 can have, it is also possible to be bonded in the back side of header board 20.Further, the surface configuration at header board 20 has the interim fixed part 28 of the interim end fixing such as film F.
Cap 11 has: cover plate 30, and it is extended along the direction of the upper surface open covering incorporating section 10 from the upper end genesis of the back plate 22 of incorporating section 10；Covering sheet 31, it is extended to header board 20 side of incorporating section 10 from cover plate 30；Side plate 32, it is connected with the two ends of the length direction of cover plate 30；Auxiliary side plates 33, it is connected with the two ends of the length direction covering sheet 31；And Kaifeng sheet 34, it is connected with the end covering sheet 31.
As in figure 2 it is shown, break a seal, sheet 34 is formed as banding along the length direction of film rolling accommodating container 1.Kaifeng sheet 34 via cut line 35 with cover sheet 31 end edge be connected.Before Kaifeng, Kaifeng sheet 34 is bonded in the surface lower portions of header board 20.Cap 11 is closed by this Kaifeng sheet 34, by along cut line 35 cut off Kaifeng sheet 34, it is possible to cap 11 is broken a seal.
As shown in figures 1 and 3, the dorsal part at the terminal part covering sheet 31 is provided with the cutting edge 50 that film F film rolling R from incorporating section 10 pulled out is cut off.Cutting edge 50 is such as arranged on by bonding agent and covers on sheet 31.Cutting edge 50 is formed as such as while having the rectangle of strip of saw tooth shape shape, and is configured to the two side ends of length direction throughout film rolling accommodating container 1 (covering sheet 31).Before cutting off Kaifeng sheet 34, this cutting edge 50 is opened sheet 34 and covers, and when cutting off Kaifeng sheet 34, this cutting edge 50 is exposed at the end edge covering sheet 31.The material of cutting edge 50 uses metal material such as tinplate.
Cutting edge 50 has protuberance 60 at the central part 50a of length direction, and this protuberance 60 highlights towards the direction of the film F in the face of being pulled out.As shown in Figure 4, protuberance 60 has trapezoidal shape substantially, and this trapezoidal shape substantially has smooth line part 70 at end side.More than the 1% and less than 5% of length L1 of line part 70 length (overall with) D on the length direction of cutting edge 50, preferably more than 1% and less than 4%, more preferably more than 1.5% and less than 3.5%.Additionally, by length L1 of line part 70 is set as more than 1%, it is difficult to injured property, by length L1 of line part 70 is set as more than 1.5%, it is possible to make to be difficult to injured property and improve to the degree the most equal with the cutting edge without protuberance 60 when can significantly improve contact end.On the other hand, if length L1 of line part 70 is less than 5%, then can realize central authorities' starting point with lighter power to cut off, if less than 4%, then can realize central authorities' starting point with lighter power to cut off, if less than 3.5%, then can realize central authorities' starting point with the power with the situation equal extent without line part 70 and cut off.It addition, the odontoid of cutting edge 50 is not particularly limited as shown in Fig. 5 (a)～(d), it is line part 70 by the part that line connected to each other for the end at tooth peak is straight line, its a length of L1.
The part of the two ends of protuberance 60 and the cutting edge 50 outside it is that arc-shaped is in smoothing junction.Further, the part (rake) of the two ends of line part 70 and the protuberance 60 outside it is in smoothing junction in arc-shaped.Variation angle [alpha] 1 at the two ends of protuberance 60 and the variation angle [alpha] 2 at the two ends of line part 70 are set to less than 7 degree.Maximum amount of change H of the end edge of the flank of cutting edge 50 is below 10mm, preferably below 5mm.Maximum amount of change H is the least, it becomes possible to maintain the least by the width covering sheet 31 and Kaifeng sheet 34.Maximum amount of change H is determined by the acquisition mode changing angle [alpha] 1 and α 2.In order to reduce maximum amount of change H, line part can be suitably set the part beyond central part.It addition, the two ends of the two ends of protuberance 60 and line part 70 there is no need one is set to arc-shaped, it is also possible to for angle.
As it is shown on figure 3, cutting edge 50 also has protuberance 80 at the both ends 50b of length direction, this protuberance 80 highlights towards the direction of the film F in the face of being pulled out.Therefore, cutting edge 50 is respectively provided with protuberance 60,80 at central part 50a and both ends 50b, has substantially M word shape on the whole.
Film rolling R is wound with the film F of such as PVDC system.Food packaging device is constituted in this film rolling R is incorporated in film rolling accommodating container 1.
User is when from film rolling accommodating container 1, taking-up film F uses, first with one hand, film rolling accommodating container 1 is remained approximate horizontal, when closing cap 11 gently, use the film F of another hands film rolling R pull-out desired length in film rolling accommodating container 1.Then, the film F pulled out is stretched upward, utilize the cutting edge 50 of the end covering sheet 31 of cap 11 to cut off film F.Now, film F is cut off with the protuberance 60 of the central authorities of cutting edge 50 for starting point, and cut-off for starting point with the protuberance 80 of the end of cutting edge 50.After cut-out, remaining film F is attached to be temporarily fixed on interim fixed part 28, and when using next time, the stretched film F being attached on this interim fixed part 28 uses.
According to present embodiment, cutting edge 50 has the protuberance 60 of generally trapezoidal shape at the central part 50a of length direction, more than the 1% and less than 5% of length D that length L1 of the line part 70 of this protuberance 60 is turned off on the length direction of sword 50, the variation angle [alpha] 2 at the two ends of line part 70 is less than 7 degree.In this case, by making protuberance 60 be shaped generally as trapezoidal shape, can improve and be difficult to injured property when contact end, on this basis, by length L1 of trapezoidal line part 70 is set as shorter more than 1% and less than 5%, it is possible to the thin film being realized central authorities' starting point by lighter power is cut off.Particularly, the variation angle [alpha] 2 at the two ends of line part 70 is less than 7 degree, and the protuberance 60 of the central authorities of cutting edge 50 is mild and smooth curve.When cutting off thin film from one end of cutting edge 50, it is believed that: the moment at the two ends of line part 70 is passed through in cut-off parts, load (load) can rise, but, by the two ends of line part 70 are set as less than 7 degree, can load now be risen suppresses less, thus obtains good cuttability.Therefore, it is possible to also assure that the sufficient safety not making user injured while realizing the sufficient cuttability of cutting edge 50.Further, owing to the protuberance 60 of cutting edge 50 is mild curve, it is thus possible, for instance at the two ends of line part 70, stress is not concentrated in 1 tooth peak, it is possible to the abrasion at the tooth peak that suppression is caused by reusing.It addition, about realizing the sufficient cuttability of cutting edge 50 and guaranteeing safety, verify in embodiment described later.
Further, cutting edge 50 has protuberance 80 at the both ends of length direction, and this protuberance 80 highlights towards the direction of the film F in the face of being pulled out.Thereby, it is possible to improve the cuttability of the film F when cutting off film F with the end of cutting edge 50 for starting point.
Above, referring to the drawings the preferred embodiment of the present invention is described, but the present invention does not limit this example.It is obvious that for industry personnel, in the category of the thought described in the scope of claim, alternatively it is conceivable to various modifications or fixed case, these modifications or fixed case fall within the technical scope of the present invention certainly.
Cutting edge 50 in above embodiment is while being formed with saw sword, but can be also formed with sawing sword at another side.Further, the shape of the tooth of cutting edge 50 is not particularly limited.Further, above-mentioned cutting edge 50 has substantially M font on the whole, as long as but there is the protuberance 60 of trapezoidal shape at central part, can also be just the cutting edge with other shapes.The such as two ends of cutting edge 50 can also be smooth, it is also possible to is formed as retreating relative to film F.
The shape of the film rolling accommodating container 1 in above embodiment, structure are also not necessarily limited to this.Further, the kind of the film F being wound in film rolling R is also not necessarily limited to the thin film of PVDC system, it is also possible to be such as PO system, PVC system etc..
[embodiment]
Hereinafter, cuttability and the safety of cutting edge 50 are verified.
(cuttability)
As shown in Figure 6, carry out central starting point and cut off experiment and the cut-out experiment of end starting point, cut off in experiment in this central authorities' starting point, it is that starting point cuts off thin film with the central part (position that protuberance 60 is positioned at) of cutting edge, and obtain the load required for this cut-out, cut off in experiment in this end starting point, cut off thin film with the end of cutting edge for starting point, and obtain the maximum load required for this cut-out.It is to make film rolling accommodating container not tilt (making the draw direction of thin film and the width of film rolling accommodating container is identical direction) relative to the draw direction of thin film to carry out that the former central starting point cuts off experiment.End starting point the latter is cut off in experiment, makes film rolling accommodating container tilt 25 degree (angle making the draw direction of thin film and the width of film rolling accommodating container is 25 degree) relative to the draw direction of thin film and carries out.
(cuttability evaluation methodology)
(1) will be cut by line made by the cutting edge of tinplate be attached to preservative film (SaranWrap) gift box (registered trade mark, Asahi Chemical Industry's household supplies (strain) company system), film rolling is put in box, and being recorded from the load cutting off start to finish with the speed extraction thin film of 1m/min by autoplotter, this process has been carried out 5 times altogether.The meansigma methods of 5 times of load when cutting off beginning is set as load when the cut-out of this cutting edge starts.Central authorities' starting point is cut off, if cutting off load when starting is below 3.5N, is then considered as cuttability good.
(2) it is evaluated by employing the emulation of FInite Element.It is to extract thin film with 10m/min that central authorities' starting point is cut off, and it is to extract thin film with 100m/min that end starting point is cut off, and have recorded from the load cutting off start to finish.Central authorities' starting point is cut off, if cutting off load when starting is below 5N, is then considered as cuttability good.For end starting point cut off, if central authorities by time load be below 1N, then be considered as cuttability good.
Cut off in experiment in central authorities' starting point, in the case of less than the 5% of the length (overall with) being turned off on the length direction of sword in the length of the line part 70 of the protuberance 60 of trapezoidal shape, cut-out maximum load is below 3.5N, in the case of 5% of length on the length direction exceeding cutting edge, cut off maximum load more than 3.5N.Experiment is cut off by this central authorities' starting point, in the case of less than the 5% of the length that the length of the line part 70 of protuberance 60 is set as on the length direction of cutting edge, compared with the situation of 5% of the length on the length direction exceeding cutting edge, it is possible to obtain high cuttability.
As shown in table 3, if be provided with towards the protuberance prominent in the face of the direction of thin film, then it is capable of central authorities' starting point and cuts off, if variation angle [alpha] 1 is more than 3 degree, then can cut off in 5N implemented below central authorities starting point, be preferred.If variation angle [alpha] 2 is more than 7 degree, then when carrying out end starting point and cutting off, it is possible to suppression will be risen for below 1N by the load during end of line part 70.
(safety)
Make the variously-shaped different cutting edge such as length of line part upwards, will be placed in the central spud of this cutting edge with the film rolling of 300g weight, make film rolling slide from box Inside To Outside direction, count the number of the thin film impaired on film rolling top layer.This process is carried out 10 times altogether, is averaged the value impaired number of thin film as this cutting edge.For not having the cutting edge of the linearity of protuberance, the impaired number of mean sheet is 6, therefore, if less than 6, then it is assumed that it is good for being difficult to injured property.
Understand in this experiment, the length of the line part of protuberance be the impaired number of the thin film in the case of 0mm be 8, on the other hand, when the line part of more than 1% of the length on the length direction arranging cutting edge on protuberance, find that the impaired number of thin film substantially reduces, when more than the 1.5% of the length that line part is set as on the length direction of cutting edge, it is possible to be reduced to 6 equal with the cutting edge not having protuberance.Further, as shown in table 2, even if in the antistaling film cutting edge that overall with is different, it has been found that identical tendency.
[table 1]
※ employs (1) in cuttability evaluation methodology
[table 2]
※ employs (1) in cuttability evaluation methodology
[table 3]
※ employs (2) in cuttability evaluation methodology
The present invention is useful in the following cases: guarantee, while the sufficient cuttability of the cutting edge realizing being arranged at film rolling accommodating container, the sufficient safety that do not makes user injured.
Claims (3)
1. a cutting edge, described cutting edge is arranged to strip along the length direction of film rolling accommodating container, cuts off for the thin film that will pull out from the film rolling of described film rolling accommodating container, wherein,
Described cutting edge has protuberance at the central part of length direction, and described protuberance highlights towards the direction of the thin film towards described pull-out,
Described protuberance has generally trapezoidal shape, and this generally trapezoidal shape has smooth line part in front,
More than the 1% and less than 5% of the length that the length of described line part is turned off on the length direction of sword,
Variation angle at the two ends of described line part is less than 7 degree.
Cutting edge the most according to claim 1, wherein,
Described cutting edge has protuberance at the both ends of length direction, and described protuberance highlights towards the direction of the thin film towards described pull-out.
3. a film rolling accommodating container, it has the cutting edge described in claim 1 or 2.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015013509A JP6478657B2 (en) | 2015-01-27 | 2015-01-27 | Cutting blade and film roll storage container |
| JP2015-013509 | 2015-01-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105819112A true CN105819112A (en) | 2016-08-03 |
| CN105819112B CN105819112B (en) | 2019-07-19 |
Family
ID=56558801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610011776.2A Active CN105819112B (en) | 2015-01-27 | 2016-01-08 | Cutting edge and film roll accommodating container |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6478657B2 (en) |
| CN (1) | CN105819112B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7446063B2 (en) | 2019-06-17 | 2024-03-08 | 旭化成株式会社 | Rolled body storage box |
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|---|---|---|---|---|
| JPH05246426A (en) * | 1993-01-25 | 1993-09-24 | Kureha Chem Ind Co Ltd | Storage case for wrapping film |
| CN1112504A (en) * | 1993-12-15 | 1995-11-29 | 吴羽化学工业株式会社 | Packaging case |
| CN101081669A (en) * | 2006-05-31 | 2007-12-05 | 株式会社吴羽 | Cutting edge for package container and package container having the same |
| JP2010120656A (en) * | 2008-11-17 | 2010-06-03 | Kureha Corp | Cutting blade for packaging container, packaging container, and packaged article feeding apparatus |
| CN101878158A (en) * | 2007-11-29 | 2010-11-03 | 株式会社吴羽 | Cutter blade for packing container and packing container |
| JP5572331B2 (en) * | 2009-04-17 | 2014-08-13 | 旭化成ケミカルズ株式会社 | Wrapping film storage box |
| CN203794306U (en) * | 2014-04-21 | 2014-08-27 | 向自越 | Cutter of fresh-keeping film |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05310245A (en) * | 1992-05-08 | 1993-11-22 | Asahi Chem Ind Co Ltd | Cutting tool made of paper board to cut wrap film |
| US6682808B2 (en) * | 2001-04-20 | 2004-01-27 | Asahi Kasei Kabushiki Kaisha | Crosslinked laminated wrap film and dispenser box therefor |
| JP2006298408A (en) * | 2005-04-19 | 2006-11-02 | Asahi Sekkei Kogyo:Kk | Box structure for food packaging wrap film |
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2015
- 2015-01-27 JP JP2015013509A patent/JP6478657B2/en active Active
-
2016
- 2016-01-08 CN CN201610011776.2A patent/CN105819112B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05246426A (en) * | 1993-01-25 | 1993-09-24 | Kureha Chem Ind Co Ltd | Storage case for wrapping film |
| CN1112504A (en) * | 1993-12-15 | 1995-11-29 | 吴羽化学工业株式会社 | Packaging case |
| CN101081669A (en) * | 2006-05-31 | 2007-12-05 | 株式会社吴羽 | Cutting edge for package container and package container having the same |
| CN101878158A (en) * | 2007-11-29 | 2010-11-03 | 株式会社吴羽 | Cutter blade for packing container and packing container |
| JP2010120656A (en) * | 2008-11-17 | 2010-06-03 | Kureha Corp | Cutting blade for packaging container, packaging container, and packaged article feeding apparatus |
| JP5572331B2 (en) * | 2009-04-17 | 2014-08-13 | 旭化成ケミカルズ株式会社 | Wrapping film storage box |
| CN203794306U (en) * | 2014-04-21 | 2014-08-27 | 向自越 | Cutter of fresh-keeping film |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105819112B (en) | 2019-07-19 |
| JP6478657B2 (en) | 2019-03-06 |
| JP2016137913A (en) | 2016-08-04 |
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