EP0680822B1 - Method for making packaging of great length - Google Patents
Method for making packaging of great length Download PDFInfo
- Publication number
- EP0680822B1 EP0680822B1 EP95560002A EP95560002A EP0680822B1 EP 0680822 B1 EP0680822 B1 EP 0680822B1 EP 95560002 A EP95560002 A EP 95560002A EP 95560002 A EP95560002 A EP 95560002A EP 0680822 B1 EP0680822 B1 EP 0680822B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cardboard
- lines
- corrugated cardboard
- making
- strip
- 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.)
- Expired - Lifetime
Links
Images
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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
-
- 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B50/146—Cutting, e.g. perforating, punching, slitting or trimming using tools mounted on a drum
Definitions
- the sector covering the technique for this patent is the making of packaging which is made up of wrapping items of great length.
- the aim of this invention is to provide a means for making packing of great length, consisting of producing a folding line on the continuous strip of corrugated cardboard by means of continuous linear pressure made in a continuous fashion along the whole length of said cardboard belt.
- a transverse perforation line is also made at regular lengths, and coinciding with the already mentioned folding lines and in the zones adjacent to each of the sides of each of the transverse perforation lines, provision is made for making longitudinal cutting lines of a length which will normally be suitable for making the closure at the ends of the packing after mounting.
- the device for making the folding lines consists of a set of rollers of which at least one has annular crowns superimposed on each other, in a fixed or movable fashion, and the strip of corrugated cardboard is pulled along by means of this device, and with the rollers placed so that the pressure of said crowns on the surface of the cardboard does not cause tearing of the same.
- the crowns can be fixed on the roller by clamps, screwing, sticking, or any other suitable means.
- a blade with a cutting edge interrupted in places is fitted on one of the rollers, and beside this, aligned on the cutting crowns, there are longitudinal blades.
- the interval of the length between transverse cuts can be predefined, with there being a control processor which would cyclically set said cutting rollers in motion, according to instructions from the processor.
- the continuous packaging strip of corrugated cardboard obtained by said procedure and equipment consists of a continuous surface of corrugated cardboard provided in a roll or coil, of a fixed width and previously indeterminable length, in which there are longitudinal lines which, through the pressure exerted on the crowns of the rollers - through having split the transverse furrows in the corrugated cardboard, this thus being flat in said area - enables these to be folded, and thus to make packaging items which are closed off by means of cutting the ends and folding these inward.
- the cardboard strip has transverse perforation lines at regular intervals along its length, and adjacent to these and in continuity with the longitudinal lines scored, cuts of a suitable length.
- said longitudinal scores enable the areas of corrugated cardboard between these to be folded like overlaps or flaps.
- Figure 1 shows a perspective view of the process.
- Figure 2 shows a perspective view of an unfolded box obtained in this way.
- Figure 3 shows the structure of the groove in the corrugated cardboard.
- Figure 4 represents a view of the strip of corrugated cardboard coming out of the cutting rollers according to the invention.
- Figure 5 represents a plan view of the strip of corrugated cardboard perforated in accordance with the invention.
- FIGS 6 to 9 represent the ways the strips of corrugated cardboard can be used in accordance with the invention.
- 21 represents a continuous strip of corrugated cardboard, with 22 being a transverse perforation line made on the same, with a longitudinal scoring line 23 made in this, 29 being a closing flap shown in Figure 6 and 13 being the scoring lines which mark the folding lines for said strip of corrugated cardboard.
- 26 and 27 show a pair of rollers whose function is to make the transverse perforation lines.
- the method is based on the formation of longitudinal pieces that can be severed in accordance with the size of the item to be wrapped of predetermined length. It is not therefore necessary for the cardboard to have been severed beforehand, but can instead be stored in rolls.
- the fact that the cardboard is corrugated enables rolls to be formed without this being a disadvantage for the stiffness of the boxed formed, since the formation of the boxes by folding, due to said angle, prevents the flexibility which it has without folding.
- Roller 8 contains parts which, like rings are set out at particular distances in order to form thereby a box of previously known dimensions as regards the section.
- a triangle shape can be formed, as can be deduced from the groove lines shown in Figure 1, as is indicated by the rings 9 of the same, as well as other geometrical forms, according to the position of the rings on roller 8.
- the continuous strip of cardboard is severed at one of the perforation lines and folded to form a rigid structure, being fixed by conventional forms of closure (sticking, stapling, taping, for example).
- the printing of the continuous strip of corrugated cardboard can form part of the same process.
- One of the rollers 26 has a transverse blade 28 on its surface which can make a perforation line 22 on the cardboard 21 also transversely on said strip of cardboard.
- the roller that carries the transverse blade has a number of blades 24 located at the perimeter of the section of said roller, which in turn act on the cardboard strip making longitudinal cuts perpendicular to the aforementioned cutting line, and adjacent to the same.
- the blades can be moveable along the roller by means of one or several guides set there for this purpose, and have in turn securing means to prevent them from moving.
- the length of each one of the longitudinal cuts will be the right one for the particular dimensions and type of product to be packed.
Landscapes
- Making Paper Articles (AREA)
Description
- The sector covering the technique for this patent is the making of packaging which is made up of wrapping items of great length.
- Until recently certain products, especially extremely long ones, were not wrapped, but instead transported exposed to the weather, held on trucks or other forms of transport, and reached their destination depending on their transport conditions; said products could be piping, beams, etc., designed for resisting very different forms of damage by their very nature.
- Nevertheless, there are a great number of products today which are delicate and made with a kind of structure which cannot be transported without wrapping, and furthermore there are no facilities for making said covering for transport.
- As regards the prior state of the art, the following machines for making corrugated cardboard are known:
- EP-A-0 418 364, for a procedure for making corrugated cardboard or similar, EP-A-0 518 053 for a procedure for making printed corrugated cardboard of great width, as well as the installation for developing the procedure, EP-A-0 498 777 and US-A-3 844 201 for a method for making containers of corrugated cardboard.
- The aforementioned patents start from the making of furrowed card to obtain the corrugated cardboard; nevertheless, due to the lack of need for making pieces of great lengths no application of this process or similar is known of with anything to do with the subject of this invention.
- The aim of this invention is to provide a means for making packing of great length, consisting of producing a folding line on the continuous strip of corrugated cardboard by means of continuous linear pressure made in a continuous fashion along the whole length of said cardboard belt.
- Apart from producing the continuous folding lines on the continuous strip of corrugated cardboard, a transverse perforation line is also made at regular lengths, and coinciding with the already mentioned folding lines and in the zones adjacent to each of the sides of each of the transverse perforation lines, provision is made for making longitudinal cutting lines of a length which will normally be suitable for making the closure at the ends of the packing after mounting.
- The device for making the folding lines consists of a set of rollers of which at least one has annular crowns superimposed on each other, in a fixed or movable fashion, and the strip of corrugated cardboard is pulled along by means of this device, and with the rollers placed so that the pressure of said crowns on the surface of the cardboard does not cause tearing of the same. The crowns can be fixed on the roller by clamps, screwing, sticking, or any other suitable means.
- In the embodiment according to the invention, in which cyclical perforation lines are also made, a blade with a cutting edge interrupted in places is fitted on one of the rollers, and beside this, aligned on the cutting crowns, there are longitudinal blades. The interval of the length between transverse cuts can be predefined, with there being a control processor which would cyclically set said cutting rollers in motion, according to instructions from the processor.
- The continuous packaging strip of corrugated cardboard obtained by said procedure and equipment consists of a continuous surface of corrugated cardboard provided in a roll or coil, of a fixed width and previously indeterminable length, in which there are longitudinal lines which, through the pressure exerted on the crowns of the rollers - through having split the transverse furrows in the corrugated cardboard, this thus being flat in said area - enables these to be folded, and thus to make packaging items which are closed off by means of cutting the ends and folding these inward.
- The cardboard strip has transverse perforation lines at regular intervals along its length, and adjacent to these and in continuity with the longitudinal lines scored, cuts of a suitable length.
- With the packing mounted, said longitudinal scores enable the areas of corrugated cardboard between these to be folded like overlaps or flaps.
- In order to make the explanation of the invention clearer, three sheets of drawings are included which represent the essence of this invention in nine figures.
- Figure 1 shows a perspective view of the process.
- Figure 2 shows a perspective view of an unfolded box obtained in this way.
- Figure 3 shows the structure of the groove in the corrugated cardboard.
- Figure 4 represents a view of the strip of corrugated cardboard coming out of the cutting rollers according to the invention.
- Figure 5 represents a plan view of the strip of corrugated cardboard perforated in accordance with the invention.
- Figures 6 to 9 represent the ways the strips of corrugated cardboard can be used in accordance with the invention.
- In Figure 1 we can see, given the
number 1, the roll of corrugated cardboard, which, due to having the corrugated part joined to a piece of flat cardboard, enables it to be stored on rolls; 2 indicates the upper traction roller, and 3 the lower traction roller, 4 being the lower support roller, and 5 the roller which supports, for example, a flexography style stencil to allow continuous printing, through an ink supply which starts at the rollers or at a supplier of the same shown as 6. 7 shows the upper support roller, which is placed on the flat part of the cardboard, and 8 is the roller whose alignment coincides with 7, which hasridges 9 which can break into the cardboard, thus scoring this lengthways to make the folding lines. 10 shows the flat side of the cardboard, and 11 the corrugated side. 12 is the part which can form the box, 13 being the scoring lines and 14 the final parts of the scoring lines which after cutting will make the flanges or wings which allow perpendicular closing of the box. - In the embodiment of the invention we can see in Figure 4 how the
corrugated cardboard strip 21, after treatment in the first embodiment, goes between a pair of rollers which produce a transverse perforation line and longitudinal cuts. - As can be seen in Figures 4 and 5, 21 represents a continuous strip of corrugated cardboard, with 22 being a transverse perforation line made on the same, with a
longitudinal scoring line 23 made in this, 29 being a closing flap shown in Figure 6 and 13 being the scoring lines which mark the folding lines for said strip of corrugated cardboard. 26 and 27 show a pair of rollers whose function is to make the transverse perforation lines. - The method is based on the formation of longitudinal pieces that can be severed in accordance with the size of the item to be wrapped of predetermined length. It is not therefore necessary for the cardboard to have been severed beforehand, but can instead be stored in rolls. The fact that the cardboard is corrugated enables rolls to be formed without this being a disadvantage for the stiffness of the boxed formed, since the formation of the boxes by folding, due to said angle, prevents the flexibility which it has without folding.
Roller 8 contains parts which, like rings are set out at particular distances in order to form thereby a box of previously known dimensions as regards the section. A triangle shape can be formed, as can be deduced from the groove lines shown in Figure 1, as is indicated by therings 9 of the same, as well as other geometrical forms, according to the position of the rings onroller 8. To form the box, the continuous strip of cardboard is severed at one of the perforation lines and folded to form a rigid structure, being fixed by conventional forms of closure (sticking, stapling, taping, for example). The printing of the continuous strip of corrugated cardboard can form part of the same process. - One of the
rollers 26 has atransverse blade 28 on its surface which can make aperforation line 22 on thecardboard 21 also transversely on said strip of cardboard. - The roller that carries the transverse blade has a number of
blades 24 located at the perimeter of the section of said roller, which in turn act on the cardboard strip making longitudinal cuts perpendicular to the aforementioned cutting line, and adjacent to the same. - The blades can be moveable along the roller by means of one or several guides set there for this purpose, and have in turn securing means to prevent them from moving.
- The length of each one of the longitudinal cuts will be the right one for the particular dimensions and type of product to be packed.
- The process, machine and corresponding strip of corrugated cardboard described above can be made in parallel on several lines at the same time, with the result being similar to that of a number of machines working in parallel, but with separating longitudinal cutting means for each two of these.
- This is for application in the manufacturing of rolls of corrugated cardboard for making cardboard boxes.
Claims (1)
- A method for manufacturing packages of great length,
characterised in that the raw material used is crimped cardboard, with just one face corrugated, in rolls (1) or a continuous sheet, the crimped face (11) of which is provided with longitudinal scoring lines (13), transverse perforation lines (22) and longitudinal cuts (23) on the perforation lines (22), to yield a product comprising a band of identical, consecutive packages, in a continuous scored sheet with perforation lines, supplied to the user in rolls.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES09400924A ES2097082B1 (en) | 1994-05-03 | 1994-05-03 | METHOD AND CORRESPONDING APPARATUS FOR MANUFACTURE OF UNLIMITED LENGTH PACKAGING. |
ES9400924 | 1994-05-03 | ||
ES9500627 | 1995-03-30 | ||
ES09500627A ES2124121B1 (en) | 1994-05-03 | 1995-03-30 | METHOD FOR THE MANUFACTURE OF LARGE PACKAGING. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0680822A2 EP0680822A2 (en) | 1995-11-08 |
EP0680822A3 EP0680822A3 (en) | 1996-06-12 |
EP0680822B1 true EP0680822B1 (en) | 2000-01-19 |
Family
ID=26154783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95560002A Expired - Lifetime EP0680822B1 (en) | 1994-05-03 | 1995-05-02 | Method for making packaging of great length |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0680822B1 (en) |
DE (1) | DE69514565T2 (en) |
PT (1) | PT680822E (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2147494B1 (en) * | 1997-07-18 | 2001-03-01 | Lanaquera S L | NEW PACKING MATERIAL. |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2475868A (en) * | 1945-04-13 | 1949-07-12 | Fibreboard Products Inc | Rotary die creasing mechanism for corrugated paperboard |
FR2055743B1 (en) * | 1969-08-07 | 1974-03-15 | Klein Edmond | |
US3844201A (en) * | 1971-06-02 | 1974-10-29 | Fmc Corp | Apparatus for cutting sheet material |
US3880056A (en) * | 1974-01-02 | 1975-04-29 | Garden City Envelope Company | Envelope blank scoring and feeding apparatus |
IT1234460B (en) * | 1989-06-21 | 1992-05-18 | Fosber Srl | MACHINE FOR CORDING AND CUTTING OF INDEFINITE CARDBOARD AND SIMILAR TAPES |
US5042657A (en) * | 1990-09-04 | 1991-08-27 | Multi-Wall Packaging Corporation | Elongated tubular container for venetian blinds |
-
1995
- 1995-05-02 PT PT95560002T patent/PT680822E/en unknown
- 1995-05-02 EP EP95560002A patent/EP0680822B1/en not_active Expired - Lifetime
- 1995-05-02 DE DE69514565T patent/DE69514565T2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
PT680822E (en) | 2000-07-31 |
EP0680822A3 (en) | 1996-06-12 |
EP0680822A2 (en) | 1995-11-08 |
DE69514565T2 (en) | 2000-07-27 |
DE69514565D1 (en) | 2000-02-24 |
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