WO2003006220A1 - Procede et dispositif de formage de planchettes, et emballages comportant de telles planchettes - Google Patents
Procede et dispositif de formage de planchettes, et emballages comportant de telles planchettes Download PDFInfo
- Publication number
- WO2003006220A1 WO2003006220A1 PCT/FR2002/002411 FR0202411W WO03006220A1 WO 2003006220 A1 WO2003006220 A1 WO 2003006220A1 FR 0202411 W FR0202411 W FR 0202411W WO 03006220 A1 WO03006220 A1 WO 03006220A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- board
- along
- packaging
- deformations
- boards
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/34—Manufacture or reconditioning of specific semi-finished or finished articles of cases, trunks, or boxes, of wood or equivalent material which cannot satisfactorily be bent without softening ; Manufacture of cleats therefor
-
- 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
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/28—Handles
- B65D25/2802—Handles fixed, i.e. non-swingable, handles
-
- 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
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/28—Handles
- B65D25/32—Bail handles, i.e. pivoted rigid handles of generally semi-circular shape with pivot points on two opposed sides or wall parts of the conainter
-
- 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
- B65D9/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of wood or substitutes therefor
- B65D9/10—Baskets or like containers made in interwoven or intermeshing flexible wooden material or by attaching thin wooden strips to a supporting framework
Definitions
- the present invention relates to a method and a device for forming a board or slat of wood or of a fibrous material similar to wood, and to the use of boards thus formed for the manufacture of packaging, in particular for the manufacture of cases, crates or trays for the storage, sale and transport of food products, such as fruit or vegetables and others.
- the technical field of the invention is that of the manufacture of wooden cases for packaging food or non-food products.
- the present invention applies in particular, that is to say without limitation - to small packages suitable for receiving on the order of 0.25 to 15 kg of products; such packages are generally manufactured by stapling several boards or slats to form a crate of substantially parallelepiped shape, which has a bottom wall and at least four side walls generally extending in four orthogonal planes two by two and orthogonal to the plane in which the bottom wall extends; it is common for them to.
- At least four "angles" of such a box that is to say the connecting portions of two successive side walls, are reinforced by a wooden cleat of vertical axis and of triangular section, which is secured - generally by stapling - to said two successive side walls; the height of these corner cleats is generally greater than that of at least one of the side walls of which it is integral, so that, when two such identical packages are stacked (stacked), the bottom of the upper package rests on the upper end of the cleats of the lower packaging.
- a partial cutting of the board is generally carried out along a generally straight line corresponding to the desired folding line, and orthogonal to the largest dimension of the board; since the fibers of the material (wood) constituting the board are generally oriented substantially parallel to the largest dimension of the board (slat), said partial cutting of the slat causes the fibers to be severed for part of the thickness board; the severed fibers can therefore no longer contribute to the mechanical strength of the board, or at least of the part of the board extending on either side and near the partial cutting zone, that is to say - say around the fold line; this surface cutting operation is generally called "tracing".
- An object of the invention is to provide a method of forming boards, a device for implementing this process, boards formed according to this process and packages comprising such boards, which are improved and / or which remedy, at least in part, the drawbacks of packaging, boards and their manufacturing process and device.
- a plurality of deformations of the board along said fold line by deviating - without cutting them - fibers of the board.
- a regular spacing of the deformations is caused along this line, and deformations of substantially identical shape and size are carried out; for this purpose, it is preferable to use a tool comprising a plurality of punches of identical shape and regularly spaced.
- said tool is rotatably mounted along an axis of rotation relative to a base and has a cylindrical face along said axis of rotation, at the surface of which said punches are prominent and / or projecting; in particular, said tool comprises and / or essentially consists of a disc on the edge of which said protruding punches are provided; this makes it possible to produce said tool and said deformations of the board very simply, by rolling the board under pressure against the edge - or cylindrical face - of the tool.
- At least part of said deformations extends over the entire thickness of the board, so that this results in the presence of a plurality of orifices passing through the board right through; for this purpose the height of the punches is chosen to be greater than the thickness of the board.
- the invention thus makes it possible to simply produce weakening zones in boards of variable thickness; if necessary, the same punching tool can be used to form boards of different thicknesses.
- the invention also makes it possible to carry out these deformations at a high rate.
- the plurality of deformations causes a local weakening of the board along the desired fold line, causing the breaking of a minimal quantity of fibers of the material constituting the board.
- the invention advantageously applies to wooden slats or boards having a thickness situated in a range from 1 to 5 millimeters.
- a weakened board according to the invention can easily be folded in two opposite directions, unlike boards formed with the partial cutting technique.
- At least two pluralities of deformations are carried out simultaneously extending respectively along two respective lines of desired fold, in particular two parallel lines; this can be easily obtained with two disc-shaped tools mounted to rotate along two respective axes of rotation which are mutually parallel and orthogonal to the fold lines.
- a board is weakened by carrying out said deformations, after the board has been assembled - by stapling in particular - with other boards, then the assembly is placed in a former having at least a portion fixed and at least one movable part, so that the weakening line of the weakened board is located substantially along a ridge of said fixed part of the shaper, and said movable part of the shaper is moved to press on a part of said board and cause it to fold along said line of weakness.
- the method of deformation and folding of a board according to the invention advantageously applies to the folding of boards included in the construction of the bottom wall of a package according to the invention, as well as to the folding of slats or boards coming into the constitution of at least one side wall of the packaging, and / or in the constitution of a wooden handle, in particular a handle pivotally mounted relative to two side walls (opposite) of a box or crate.
- said reinforcement comprises - and is preferably essentially constituted by - a folded plank or portion of plank comprising three folds substantially parallel to each other.
- the invention consists in proposing a packaging comprising a bottom wall and side walls produced by folding and assembling of boards, which comprises a single corner reinforcement integral with two successive portions of side wall, in particular two successive flat portions of a rectangular parallelepiped box.
- the invention consists of a wooden packaging in the form of an open box which has a bottom wall provided with wedging means by mutual support of two identical packages stacked (sheaves); preferably the packaging comprises at least one reinforcing structure disposed in an angle of the box, which is prominent with respect to the side walls of the box, and said wedging means consist essentially of portions of board forming part of the wall of bottom and whose shape is adapted to that of the upper end of said reinforcing structure.
- said bottom wall preferably comprises two boards extending parallel, one with respect to the other and parallel to two opposite edges of the body; each of the two ends of each of the boards has a shape complementary to that of a cleat - or equivalent structure.
- the ends of said boards are cut in a complementary shape, and are in particular bevelled.
- Figure 1 schematically illustrates in perspective a board having undergone a tracing operation for its folding
- Figure 2 illustrates in the same way the board of Figure 1 after folding.
- Figures 3 and 4 schematically illustrate in perspective a board having undergone deformations according to the invention, according to two alternative embodiments.
- FIGS. 5 and 6 schematically illustrate a punching tool according to the invention.
- Figure 5 is a side view of the disc-shaped tool, while Figure 6 is a view along VI of Figure 5, that is to say a view of the edge of the disc, on an enlarged scale .
- Figure 7 is a cross-sectional view in a plane containing the desired fold line, illustrating deformations of a board;
- Figure 7 is a view along VII-VII of Figure 4, on an enlarged scale.
- Figure 8 schematically illustrates in perspective a forming device according to a preferred embodiment of the invention, and its use for the realization simultaneous two parallel series of deformations in two boards previously stapled to other boards.
- FIGS. 9 and 10 schematically illustrate in cross-sectional view a planing board folding shaper, respectively in two successive states of the planing boards: before folding (FIG. 9) and after folding (FIG. 10).
- FIG. 11 is a schematic perspective view of a packaging portion of which a side wall incorporates two hollow corner reinforcements, the assembly being obtained by folding a board;
- FIG. 12 is a top view of this side wall and is a view along XII of FIG. 11.
- Figure 13 schematically illustrates a top view of the four side walls of a rectangular box having a single corner reinforcement which, like the four walls, is obtained by folding a single board.
- FIG. 14 illustrates diagrammatically in perspective means of wedging integrated into boards of a bottom wall of a package according to the invention.
- the known tracing technique for folding a board 1 along a line 2 of transverse folding consists in cutting the board superficially, to a depth 3 whose value is close to half of the thickness 4 of the board.
- This cutting causes the cutting of a large number of fibers 5 which extend parallel to the longitudinal axis 6 of the board, and its weakening in the area surrounding the slot 7 resulting from the cutting; this weakening facilitates the subsequent folding of the board by applying a torsional force along arrow 8 and the folding axis 2, which results in a rotation of a first part 1b of the board 1, along this axis 2, with respect to to a second part 1a of the board.
- a series of substantially identical cavities 9, 10 is formed in the board, spaced at a constant pitch 12 along the axis 2 of subsequent folding desired; whereas, in the embodiment of FIG. 3, the deformations 9 extend over only a part of the thickness 4 of the board and open out only on the upper face 13 thereof, the deformations 10, FIG. 4 and 7 extend over the entire thickness 4 and lead to the two main faces of the board, namely the upper face 13 and the lower face 11 thereof.
- the deformation is accompanied by a deflection of the longitudinal fibers and consequently by swelling of the parts 15 of the board which extend between two successive cavities; the thickness 16 of these connecting parts 15 is therefore substantially greater than that (marked 4) of the board, measured at a distance from the deformations; thanks to this, few fibers are cut.
- these cavities have a flared shape between their first end of small section opening onto the face 11, and their second end of larger section opening onto the face 13 parallel to the face 11; these cavities or deformations have substantially a pyramidal shape with an axis 17 perpendicular to the faces 11, 13 as well as to the axes 2 and 6.
- the shape, dimensions and spacing of these cavities 10 result from the shape, dimensions and spacing of the punches 18 of the tool used to perform these deformations.
- these punches are of identical shape and are regularly spaced by projecting from the edge 19 of a tool 20 in the form of a disc with an axis 21; each punch is pyramidal in shape and extends along a radial axis 22.
- the forming device illustrated in FIG. 8 comprises two identical tools 20 in the form of discs, which are rotated (arrow 23) along their respective axes 21 which are combined.
- the spacing 24 of the discs 20 corresponds to the spacing 27 between the two fold lines 25, 26 desired, along which two series of perforations 28, 29 must extend, similar to the cavities 9, 10 of FIGS. 3, 4, 7.
- the device further comprises a table 30 capable of receiving a structure 31 consisting of two transverse boards 1, 101 secured to four longitudinal boards 32 by means of staples 33.
- the table 30 is provided with two grooves 34 extending along two parallel axes which are perpendicular to the axis 21 of rotation. discs 20; these grooves located opposite the disks 20 allow the disks to rotate without friction or impact on the upper face 35 of the table 30, while allowing the punches to penetrate the boards when the latter pass between the tool and the table 30 , on which the structure 31 can slide along arrow 36 (along axis 37 of the table plane 31).
- the device comprises a fixed part 39 of conformator which extends opposite the upper face 40 of the table 38; the fixed former 39 may be provided with a flat lower face 41 parallel to the face 40, which is limited in particular by two parallel edges 42 whose spacing 43 is substantially equal to the spacing 27 of the lines 25, 26 of deformations 28 , 29 created by the two tools 20 (FIG. 8).
- the device also comprises two movable parts 44, 45 which are respectively pivotally mounted along two parallel axes 46, 47, which are parallel to the edges 42 and spaced apart by a distance 48 close to the spacing 43 of the edges 42.
- the mobile parts 44, 45 of the former are pivoted according to the arrows 49, up to the deformation of the structure 31 illustrated in FIG. 10, where the two boards have been folded at 90 ° along the fold lines 25, 26; the moving parts 44, 45 are then pivoted (arrows 50, FIG. 10) to return to the initial position with a view to folding another structure.
- the box or crate 51, 52 has a bottom wall 53 and four side walls 54 to 57 parallel in pairs.
- the two walls 55 and 57 each consist of a straight board, and the bottom wall consists of the assembly of boards 58 and 59.
- the side wall 56 consists of a board 60, each end of which is folded along three consecutive parallel lines 61 to 63 which delimit, with the end edge 67 of the board, three adjacent folds 64 at 66; the end fold 66 extends parallel and against the central portion of the board 60 to which it is stapled; the folds 64 and 65 define, with the end 68 of the central part 60, a cylindrical volume 69 of vertical axis 70 and of triangular section; the portions 64, 65 and 68 of the board 60 thus form a tubular structure for reinforcing an angle of the packaging, the board forming the wall 55 being stapled to the fold 64 of this structure.
- the package 51 of Figure 11 has at least two corner reinforcement structures
- the package 52 of Figure 13 has a single hollow corner reinforcement consisting of three folded portions 64 to 66 of one end d 'a clipboard 60.
- This board 60 also forms the four side walls 54 to 57.
- This packaging 52 further comprises a handle 71 of folded and / or curved wood, the ends 72, 73 of which are respectively integral with the two opposite lateral walls 55 and 57, by a pivoting connection along an axis 74 orthogonal to the plane of the walls 55, 57 ; each pivot can consist of a rivet 75.
- the packaging 76 in FIG. 14 is shown inverted, the bottom wall 53 extending above the side walls 54, 57.
- the packaging includes four corner reinforcement structures 77 (one of which is hidden), of tubular shape of triangular section and of axis 70 orthogonal to the plane of the bottom 53.
- wedges are constituted by bevelled ends of two parallel boards 78 which project from the bottom 53, and the spacing 79 of which is adapted so that the four bevelled faces 80 of board 78 are fitted between the internal faces 77b of the corner structures 77a, with little play; this allows the setting to be carried out simply, the boards 78 also contributing to the rigidity of the bottom 53.
- FIG. 15 schematically illustrates in perspective view, a wooden packaging provided with a handle according to another aspect of the invention.
- the packaging 85 comprises a bottom wall 53 and four side walls 54 to 57 orthogonal to the bottom wall and parallel two by two.
- the packaging 85 comprises a side handle 81; this makes it possible to handle the packaging while holding it by the handle 81, in a position (not shown) where the two opposite lateral walls 55 and 57, as well as the longitudinal axis 86 of the packaging and the bottom wall 53 extend substantially vertically, while the other two opposite lateral walls 54 and 56 extend on the contrary substantially horizontally.
- each of the two ends 82, 83 of the loop 81 is respectively fixed to one of the two opposite walls 55 and 57, in the vicinity of a longitudinal end of each of these. ci, instead of being fixed in a central part of these side walls, as illustrated in FIG. 13.
- the handle 81 extends substantially along and / or facing the side wall 54.
- this handle 81 can be fixed by a pivoting connection to the walls 55, 57, it is preferably rigidly fixed thereto, by staples 33, prominently on the respective external face of these walls.
- the invention facilitates the transport of the packaging with one hand, in particular when it contains heavy products such as bottles filled with drinks.
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Forests & Forestry (AREA)
- Textile Engineering (AREA)
- Cartons (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02764962A EP1404498A1 (fr) | 2001-07-10 | 2002-07-10 | Procede et dispositif de formage de planchettes, et emballages comportant de telles planchettes |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0109176A FR2827206B1 (fr) | 2001-07-10 | 2001-07-10 | Procede et dispositif de formage de planchettes, et emballages comportant de telles planchettes |
FR01/09176 | 2001-07-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003006220A1 true WO2003006220A1 (fr) | 2003-01-23 |
Family
ID=8865345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2002/002411 WO2003006220A1 (fr) | 2001-07-10 | 2002-07-10 | Procede et dispositif de formage de planchettes, et emballages comportant de telles planchettes |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1404498A1 (fr) |
FR (1) | FR2827206B1 (fr) |
WO (1) | WO2003006220A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012051036A1 (fr) | 2010-10-11 | 2012-04-19 | Merck Sharp & Dohme Corp. | Composés de type quinazolinone convenant comme antagonistes de crth2 |
WO2012087872A1 (fr) | 2010-12-23 | 2012-06-28 | Merck Sharp & Dohme Corp. | Quinoléines et aza-quinoléines en tant que modulateurs de l'activité du récepteur crth2 |
EP2492267A1 (fr) | 2009-02-24 | 2012-08-29 | Merck Sharp & Dohme Corp. | Dérivés d'indole en tant qu'antagonistes du récepteur CRTH2 en combination avec un second principe actif |
WO2012174176A1 (fr) | 2011-06-17 | 2012-12-20 | Merck Sharp & Dohme Corp. | Tétrahydroquinolines à fusion cycloalkyle en tant que modulateurs de l'activité du récepteur crth2 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2865680B1 (fr) * | 2004-01-30 | 2006-06-30 | Nature Bois Emballages | Procede d'assemblage d'elements de bois deroule non seche, en particulier pour la fabrication d'emballages |
MD1234Z (ro) * | 2017-08-14 | 2018-09-30 | Думитру ВУЛПЕ | Şipcă pentru ladă din lemn |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1596861A (en) * | 1925-05-22 | 1926-08-17 | George W Talbot | Basket |
FR2046645A5 (fr) * | 1970-05-19 | 1971-03-05 | Person Yves | |
FR2681809A1 (fr) * | 1991-09-26 | 1993-04-02 | Mace Joseph | Procede et installation de traitement de lames de bois deroule. |
EP0563781A1 (fr) * | 1992-03-24 | 1993-10-06 | Mitsubishi Plastics Inc. | Feuille en matière plastique avec ligne préréglée de pliage |
US6004251A (en) * | 1997-08-06 | 1999-12-21 | Klearfold, Inc. | Plastic sheets with scoring lines |
-
2001
- 2001-07-10 FR FR0109176A patent/FR2827206B1/fr not_active Expired - Fee Related
-
2002
- 2002-07-10 EP EP02764962A patent/EP1404498A1/fr not_active Withdrawn
- 2002-07-10 WO PCT/FR2002/002411 patent/WO2003006220A1/fr not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1596861A (en) * | 1925-05-22 | 1926-08-17 | George W Talbot | Basket |
FR2046645A5 (fr) * | 1970-05-19 | 1971-03-05 | Person Yves | |
FR2681809A1 (fr) * | 1991-09-26 | 1993-04-02 | Mace Joseph | Procede et installation de traitement de lames de bois deroule. |
EP0563781A1 (fr) * | 1992-03-24 | 1993-10-06 | Mitsubishi Plastics Inc. | Feuille en matière plastique avec ligne préréglée de pliage |
US6004251A (en) * | 1997-08-06 | 1999-12-21 | Klearfold, Inc. | Plastic sheets with scoring lines |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2492267A1 (fr) | 2009-02-24 | 2012-08-29 | Merck Sharp & Dohme Corp. | Dérivés d'indole en tant qu'antagonistes du récepteur CRTH2 en combination avec un second principe actif |
WO2012051036A1 (fr) | 2010-10-11 | 2012-04-19 | Merck Sharp & Dohme Corp. | Composés de type quinazolinone convenant comme antagonistes de crth2 |
WO2012087872A1 (fr) | 2010-12-23 | 2012-06-28 | Merck Sharp & Dohme Corp. | Quinoléines et aza-quinoléines en tant que modulateurs de l'activité du récepteur crth2 |
WO2012174176A1 (fr) | 2011-06-17 | 2012-12-20 | Merck Sharp & Dohme Corp. | Tétrahydroquinolines à fusion cycloalkyle en tant que modulateurs de l'activité du récepteur crth2 |
Also Published As
Publication number | Publication date |
---|---|
EP1404498A1 (fr) | 2004-04-07 |
FR2827206A1 (fr) | 2003-01-17 |
FR2827206B1 (fr) | 2004-04-02 |
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