WO2011073593A1 - Couvercle metallique monobloc avec ligne d'amorce de rupture en forme de parallelogramme - Google Patents
Couvercle metallique monobloc avec ligne d'amorce de rupture en forme de parallelogramme Download PDFInfo
- Publication number
- WO2011073593A1 WO2011073593A1 PCT/FR2010/052793 FR2010052793W WO2011073593A1 WO 2011073593 A1 WO2011073593 A1 WO 2011073593A1 FR 2010052793 W FR2010052793 W FR 2010052793W WO 2011073593 A1 WO2011073593 A1 WO 2011073593A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- line
- transverse section
- transverse
- gripping member
- breaking
- 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.)
- Ceased
Links
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
- B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
- B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
- B65D17/404—Details of the lines of weakness
-
- 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
- B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
- B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
- B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
- B65D17/4011—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening completely by means of a tearing tab
-
- 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
- B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
- B65D2517/0001—Details
- B65D2517/001—Action for opening container
- B65D2517/0016—Action for opening container pivot tab, push-down and pull-out tear panel
Definitions
- the present invention relates to metal lids for containers, in particular metal containers of the type can. It relates more particularly to one-piece covers comprising (i) a peripheral portion for its assembly on the container body and (ii) a central shutter panel portion comprising a removable portion by tearing a breaking initiation line.
- Some metal containers mainly cans for food packaging, are often equipped with a lid with an "easy" opening system, avoiding the use of a can opener.
- a particularly interesting solution consists of a one-piece metal cover having a peripheral portion associated with a central panel provided with a portion or removable portion.
- this removable portion is, on the one hand, delimited by a peripheral rupture initiation line, and on the other hand, equipped with a gripping and traction member, commonly called "opening ring”.
- This gripping member conventionally comprises two parts or zones extending along its longitudinal axis: a peripheral part comprising a "nose” fixed to the removable portion of the central panel, close to the breaking initiation line, and an inner loop-shaped part which, before its traction operation for the opening, is pressed against the upper surface of this removable portion.
- the user grasps the gripping member, generally by its free inner area, and then it away from the central panel.
- the gripping member then forms a lever, the beak-shaped peripheral end of which causes a local break of the breaking initiation line over a small part of its length, called the "initial rupture zone".
- the removable portion of the panel is then folded locally inward, along a fold line oriented perpendicularly, or approximately perpendicularly, with respect to the longitudinal axis of the gripping member.
- the user exerts traction on the gripping member, so as to continue tearing the tear initiation line and dissociate the removable portion relative to the lid.
- the gripping member therefore allows the transmission of the force applied by the user, and the energy generated, to the removable portion of the central panel, so as to ensure the tearing of the metal along the peripheral rupture initiation line.
- the ease of opening is defined by the level of force and energy required to break this breakaway line.
- This phenomenon can come from a poor efficiency in the transmission of the force and traction energy exerted by the user.
- lids comprising a general parallelogram-shaped rupture initiation line (square or rectangular shape with rounded corners, viewed from above), consisting of rectilinear sections marrying the peripheral assembly part to ensure optimum and maximum opening of the lid.
- US-A-2006/0042982 discloses a container equipped with a metal lid provided with a breaking initiation line consisting of four rectilinear sections arranged lozenge. One of the angles of this breaking initiation line is equipped with the opening ring.
- Such a container has the advantage of offering some reduction in the effort to open, but no longer allows optimal access to the packaged product.
- the first straight transverse section of the rupture initiation line makes it necessary to make a choice between (i) a reduction in the effort at opening but a reduced access to the packaged product. and (ii) optimal access to the packaged product but increased opening effort.
- lids of this type to reduce the level of force and energy required for opening (good feeling of opening), while maintaining a maximum opening percentage to maintain easy access. to the packaged product.
- the present invention therefore aims to meet this need.
- the subject of the invention is a metal cover comprising (i) a central portion forming a central shutter panel, and (ii) a peripheral portion adapted to be secured to a container body; this central part comprises a removable part delimited by a break-off line in the general shape of a parallelogram, which breakaway line is composed of two longitudinal sections and two transverse sections; this removable portion is equipped, at one of its surfaces, with a gripping member composed of two parts or zones through which passes a longitudinal axis: a first portion secured to said removable portion and a second portion of grasping proper; the first part of the gripping member is secured at a junction angle corresponding to the junction between a first longitudinal section and a first transverse section of said breaking initiation line; which first longitudinal section and which first transverse section of said line of initiation of rupture, each comprise two portions (i) an upstream portion arranged at said junction angle, intended to be torn by an initial pivoting operation of said gripping member and (ii) a downstream portion remote from said junction angle,
- this particular lid is characterized in that the downstream portion of the first transverse section of the rupture initiation line extends in such a way that, throughout its length, the lines which are tangents define an outside angle a greater than 45 °, and preferably between 46 ° and 49 ° at least at startup, with a straight line perpendicular to the longitudinal axis of the gripping member.
- this external angle has increased, advantageously progressively, along the length of the downstream portion of the transverse section of the rupture initiation line, starting from its upstream portion.
- the downstream portion of the first transverse section of the breaking initiation line comprises, on the side of the upstream portion, a portion of length, advantageously in the general shape of a circular arc, whose angle
- the exterior has evolved, advantageously gradually or at least approximately progressively, from an initial value of between 46 ° and 49 °, to a final value of the order of 67 ° to 68 °.
- the downstream portion of the first transverse section of the breaking initiation line is of generally curved shape; in this case, this downstream portion is advantageously constituted by a succession of radii and / or straight segments.
- the peripheral portion of the lid is also in the general shape of a parallelogram, composed of two longitudinal edges and two transverse edges; and the rupture initiation line extends along said lid peripheral portion.
- the first transverse section of the rupture initiation line is advantageously arranged close to a first transversal edge of the peripheral portion of the cover, such that the distance between said first transverse section of the rupture initiation line; and said first transverse edge of the peripheral portion is between 1 and 15 mm, and preferably between 1 and 10 mm;
- the second transverse section of the breaking initiation line is advantageously of curved shape, adapted to also reduce the level of force and energy required for the final separation between the detachable portion and the remainder of the metal cover, so that particularly to reduce the phenomenon of spring effect;
- this second transverse section of the breaking initiation line is advantageously constituted by a line in the form of an arc of a circle, a plurality of radii or a succession of line segments or a combination of such elements; again in this case, the second transverse section of the breaking initiation line is advantageously arranged near a second transversal edge of the peripheral part of the lid, so that the distance between said second transverse section of the line of the rupture primer and said second transverse edge facing the peripheral portion is between 1 and 15 mm, and preferably between 1 and 10 mm.
- the present invention also relates to a container, in particular of the kind metal tin can, equipped with a metal lid as detailed above.
- FIG. 1 is a general view from above of a one-piece cover according to the invention, with a gripping member;
- FIG. 2 is an enlarged and partial view of the lid of Figure 1, the side of the gripping member (not shown for the sake of simplicity).
- the lid 1, as shown in Figure 1, is intended to be assembled with the upper edge of a metal container body (not shown) of generally parallelepipedal shape with rounded corners.
- This lid 1, and the associated metal container body are intended to form a tin generally in parallelepiped shape, often referred to as "club box".
- the container body 1 usually consists of a side wall belt (generally square or rectangular section) whose bottom edge is extended by a bottom member.
- connection between this lid 1 and the container body is performed by an assembly technique chosen by those skilled in the art, for example by a crimping technique.
- the lid 1 according to the invention consists of a one-piece metal part, advantageously manufactured by a stamping technique from a sheet of metal material of the aluminum, steel, etc. type.
- This lid 1 has, seen from above, a general shape of parallelogram, in this case a generally rectangular shape with rounded corners.
- the peripheral ring 2 of generally rectangular shape, comprises two longitudinal edges 2a1 and 2a2 opposite, connected by two transverse edges 2b1 and 2b2 facing each other.
- This ring 2 advantageously comprises a molding allowing its assembly by crimping on the container body.
- the central shutter panel 3 is also of generally rectangular overall shape, with a longitudinal axis of symmetry 3 ', oriented parallel to the longitudinal edges 2a of the peripheral ring 2.
- This shutter panel 3 is provided with a breaking initiation line 4, also called “incision line”, which delimits a central portion 5 equipped with a gripping member 7.
- this central portion 5 then constitutes a removable portion or portion, by breaking the breaking initiation line 4.
- the breaking initiation line 4 (hereinafter referred to as "incision line” for the sake of simplification) is also of generally rectangular overall shape, seen from above.
- This incision line 4 is made by a thinning of the material, obtained by the implementation of a suitable tool during the manufacture of the lid.
- the incision line 4 is here closed, or in other words complete, that is to say that it extends all around the removable part 5; alternatively, it could be only partial.
- This line of incision 4 extends in this case along and near the peripheral ring 2; it comprises in this case two longitudinal sections 4a1 and 4a2 opposite (arranged along the longitudinal edges 2a1 and 2a2 of the ring 2), connected at their ends by two transverse sections 4b1 and 4b2 (on the side of the two transverse edges 2b1 and 2b2 of the ring 2).
- the two longitudinal sections 4a1 and 4a2 opposite here are rectilinear.
- the two opposite transverse sections 4b1 and 4b2 each have a generally curved shape in order to improve the level of force and energy required to open the lid, as developed below.
- the removable portion 5 is equipped, at its upper surface, the gripping member 7 whose manipulation by the user will allow easy opening of the lid 1 (that is to say, a separation, total or partial of the removable portion 5 relative to the remainder of the cover 1 by tearing the incision line 4).
- this manipulation of the gripping member 7 conventionally comprises two steps: a first step of initiating tearing of the incision line 4, by manual pivoting / tilting of the gripping member 7, and a step of continuing the tearing of the rupture line 4, by manual pulling on this member 7.
- the gripping member 7 is known to those skilled in the art under the name of "opening ring”.
- the opening ring 7 is shown schematically here. It is fixed here at a junction angle 4c_ of the incision line 4, formed by the junction between a first transverse section 4b1 and a first longitudinal section 4a2 of the said break line 4.
- This joining angle 4c_ will form an initial breaking or tearing zone of the incision line 4, appearing during the initial pivoting of the opening ring 7.
- This opening ring 7 comprises two parts or zones, arranged along a longitudinal axis 7 'oriented coaxially with the bisector of the initial tear zone 4c_, namely:
- the first transverse section 4b1 and the first longitudinal section 4a2 of the incision line 4 then each comprise two portions: (i) an upstream portion 4b1 1 and 4a21, intended to be torn by the initial pivoting operation of the gripping member 7 (these two portions 4b1 1 and 4a21 then together define the initial break zone 4c_ of the line d incision 4), and
- upstream portions 4b1 1 and 4a21, on the one hand, and downstream 4b12 and 4a22, on the other hand, are here separated by a line designated by the reference 8 in FIG.
- this separation line 8 extends perpendicular to the longitudinal axis 7 'of the gripping member 7, and corresponds at least approximately to the fold line of the removable portion 5 following the initial pivoting of this gripping member 7.
- the downstream portion 4b12 of the first transverse section 4b1 of the incision line 4 is shaped so that along its length, its tangents 9 (only one of these tangents is drawn in FIG. 1 by way of illustration) define an outside angle a greater than 45 °, with the line 8 perpendicular to the axis longitudinal 7 'of the gripping member 7.
- exital angle a is more precisely meant the time angle defined in FIG. 1 between, on the one hand, the tangents 9 to the downstream portion 4b12 of the first transverse section 4b1 of the incision line 4 and, d on the other hand, the segment 8a of the perpendicular line 8, situated outside the removable portion 5.
- this downstream portion 4b12 of the first transverse section 4b1 is further arranged so that the outside angle has increased starting from the upstream portion 4b1 1 of said first transverse section 4b1 and that towards said second longitudinal section 4a1 associated.
- the outside angle a is advantageously between 46 ° and 90 °.
- the downstream portion 4b12 of the first transverse section 4b1 is advantageously curved.
- this downstream portion 4b12 of the first transverse section 4b1 can be divided into two parts:
- the radius of the first part is significantly greater than the radius of the second part.
- This downstream portion 4b12 of the first transverse section 4b1 thus advantageously has a convex internal curvature (curvature continuously oriented inwards).
- the first part in an elliptical arc, corresponds to approximately between 2/3 and 3/4 of the length of the first transverse section 4b1.
- the second part in an arc, constitutes the remaining length of said first transverse section 4b1, ie between 1/3 and 1/4 of the length of said first transverse section 4b1.
- downstream portion 4b12 of the first transverse section 4b1 is composed of several radii.
- this downstream portion 4b12 here comprises rays between 15 and 100 mm.
- the upstream portion 4b1 1 of said first transverse section 4b1 already forms an angle a at its end located on the side of the following downstream portion 4b12.
- the angle defined by the tangents 9 to the downstream portion 4b12 of the first transverse section 4b1 and the longitudinal axis 7 'of the gripping member 7 has a value which remains less than 45 ° (this angle is counterclockwise in Figures 1 and 2).
- the angle ⁇ defined by the tangents 9 to the downstream portion 4b12 of the first transverse section 4b1 and a line 10 extending at 45 ° with respect to the longitudinal axis 7 'of the gripping member (extending here again along the transverse border facing 2b1 of the ring 2) has a value greater than 0 ° (this angle ⁇ is clockwise in FIG. 2).
- this angle ⁇ is illustrated by the successive angles ⁇ 1 to ⁇ 10 in FIG. 2, spaced apart in pairs of 3 mm, and respectively have the following values of the order of 1, 5 °, 3 °, 6 °, 9 °, 1 °, 14 °, 16 °, 22 °, 31 ° and 42 °.
- This angle ⁇ thus progresses to a value of the order of 90 ° at the second longitudinal section 4a1.
- this downstream portion 4b12 could consist of a succession of line segments or a combination of curve segments and line segments.
- these segments each have a length of the order of 5 mm.
- this distance increases progressively along the downstream portion 4b12 of the first transverse section 4b1, from a distance of the order of 0.6 to 2 mm, up to a maximum distance of about 15 mm. preferably between 5 and 10 mm.
- downstream portion 4a22 of the first longitudinal section 4a2 here defines an external angle ⁇ of the order of 45 ° with the aforementioned line 8 perpendicular to the longitudinal axis 7 'of the gripping member 7 .
- the upstream portions 4b1 1 and 4a21, constituting the initial break zone 4c_, extend for their part at an angle of the order of 90 ° relative to each other; and they are connected by a curved junction portion in an arc.
- the second transverse section 4b2 is also generally curved, here in the general shape of a circular arc.
- this second transverse section 4b2 is formed near the second transverse edge 2b2 facing the ring 2, so that the distance e between these two sections 4b2 and 2b2 is advantageously between 1 and 15 mm, and preferably between 1 and 10 mm.
- the user grasps the free portion 7b of the gripping member 7, so as to move it away from the detachable portion 5.
- the separation of the detachable portion 5 continues with a second step in which the user exerts a pull on the gripping member 7, so as to continue the tearing of the incision line 4.
- the opening ring 7 progresses at least approximately along the length and facing a general traction line.
- this traction line January 1 comprises two portions along its length, namely:
- a proximal portion 11a located on the side of the initial rupture zone 4c of the incision initiation line 4, and oriented coaxially or at least substantially coaxially with respect to the longitudinal axis 7 'of the gripping 7, and
- a distal portion 11b located on the side of the distal zone 4b2 of the incision initiation line 4, and oriented coaxially or at least substantially coaxially with respect to the central axis 3 'of the central panel 3.
- the efficiency of the force and traction energy applied by the user, to initiate the tearing of the incision line 4 during this traction step, is significantly improved compared to the usual covers, thanks to the particular conformation of the downstream portion 4b12 of the first transverse section 4b1.
- the traction on the gripping member 7 is continued in a conventional manner along a distal portion 1 1b of the pulling line 1 1, so as to tear the incision line 4 in the direction of the second transverse section 4b2.
- the final tear of the second transverse section 4b2 of the incision line 4 will be facilitated by its particular curved shape, which also aims to optimize the efficiency of the force and the traction energy.
- This particular structure makes it possible to limit the spring effect phenomenon often observed on the detached portion 5.
- the assembly ring 2 of the lid 1 could have any other shape, seen from above, adapted to the section of the receiving body (for example oval, circular or polygonal).
- the lid according to the invention has the advantage of having a good opening feeling and an improved recovery value, while maintaining a maximum opening area.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Containers Opened By Tearing Frangible Portions (AREA)
- Rigid Containers With Two Or More Constituent Elements (AREA)
Abstract
Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020127014174A KR101835804B1 (ko) | 2009-12-17 | 2010-12-17 | 평행사변형의 소정의 파단선을 구비한 일체로 된 금속 뚜껑 |
| JP2012543885A JP5695663B2 (ja) | 2009-12-17 | 2010-12-17 | 平行四辺形形状の予め決定された破断線を有する一体型金属製蓋 |
| EP10807620.9A EP2512940B1 (fr) | 2009-12-17 | 2010-12-17 | Couvercle metallique monobloc avec ligne d'amorce de rupture en forme de parallelogramme |
| BR112012014472A BR112012014472A2 (pt) | 2009-12-17 | 2010-12-17 | tampa de metal integral tendo linha de rompimento predeterminada na forma de paralelogramo |
| ES10807620.9T ES2550763T3 (es) | 2009-12-17 | 2010-12-17 | Tapa metálica monobloque con línea de inicio de rotura en forma de paralelogramo |
| PL10807620T PL2512940T3 (pl) | 2009-12-17 | 2010-12-17 | Jednoczęściowe wieko metalowe z linią nacięcia do przerywania w kształcie równoległoboku |
| MA34868A MA33750B1 (fr) | 2009-12-17 | 2012-05-14 | Couvercle metallique monobloc avec ligne d'amorce de rupture en forme de parallelogramme |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0906115A FR2954290B1 (fr) | 2009-12-17 | 2009-12-17 | Couvercle metallique monobloc avec ligne d'amorce de rupture en forme de parallelogramme |
| FR0906115 | 2009-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011073593A1 true WO2011073593A1 (fr) | 2011-06-23 |
Family
ID=42027717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2010/052793 Ceased WO2011073593A1 (fr) | 2009-12-17 | 2010-12-17 | Couvercle metallique monobloc avec ligne d'amorce de rupture en forme de parallelogramme |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP2512940B1 (fr) |
| JP (1) | JP5695663B2 (fr) |
| KR (1) | KR101835804B1 (fr) |
| BR (1) | BR112012014472A2 (fr) |
| CL (1) | CL2012001388A1 (fr) |
| ES (1) | ES2550763T3 (fr) |
| FR (1) | FR2954290B1 (fr) |
| MA (1) | MA33750B1 (fr) |
| PL (1) | PL2512940T3 (fr) |
| WO (1) | WO2011073593A1 (fr) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR450848A (fr) * | 1912-10-25 | 1913-04-04 | Biscuits Olibet Soc D | Dispositif de fermeture et d'ouverture de boite métallique à couvercle soudé |
| FR1241919A (fr) * | 1959-10-22 | 1960-09-23 | Kelsey Hayes Compnay | Dispositif d'ouverture pour récipients scellés |
| USRE27017E (en) * | 1969-09-25 | 1970-12-29 | Fraze can end with folded full tab | |
| FR2103632A1 (fr) * | 1970-08-31 | 1972-04-14 | Aluminum Co Of America | |
| EP0061980A1 (fr) * | 1981-03-20 | 1982-10-06 | Cebal | Couvercle à ouverture facile à languette d'arrachage et ligne d'incision |
| US20060042982A1 (en) | 2004-09-01 | 2006-03-02 | Goodwin G W Jr | Welding rod container |
-
2009
- 2009-12-17 FR FR0906115A patent/FR2954290B1/fr not_active Expired - Fee Related
-
2010
- 2010-12-17 BR BR112012014472A patent/BR112012014472A2/pt not_active IP Right Cessation
- 2010-12-17 ES ES10807620.9T patent/ES2550763T3/es active Active
- 2010-12-17 WO PCT/FR2010/052793 patent/WO2011073593A1/fr not_active Ceased
- 2010-12-17 JP JP2012543885A patent/JP5695663B2/ja not_active Expired - Fee Related
- 2010-12-17 KR KR1020127014174A patent/KR101835804B1/ko not_active Expired - Fee Related
- 2010-12-17 PL PL10807620T patent/PL2512940T3/pl unknown
- 2010-12-17 EP EP10807620.9A patent/EP2512940B1/fr not_active Not-in-force
-
2012
- 2012-05-14 MA MA34868A patent/MA33750B1/fr unknown
- 2012-05-30 CL CL2012001388A patent/CL2012001388A1/es unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR450848A (fr) * | 1912-10-25 | 1913-04-04 | Biscuits Olibet Soc D | Dispositif de fermeture et d'ouverture de boite métallique à couvercle soudé |
| FR1241919A (fr) * | 1959-10-22 | 1960-09-23 | Kelsey Hayes Compnay | Dispositif d'ouverture pour récipients scellés |
| USRE27017E (en) * | 1969-09-25 | 1970-12-29 | Fraze can end with folded full tab | |
| FR2103632A1 (fr) * | 1970-08-31 | 1972-04-14 | Aluminum Co Of America | |
| EP0061980A1 (fr) * | 1981-03-20 | 1982-10-06 | Cebal | Couvercle à ouverture facile à languette d'arrachage et ligne d'incision |
| US20060042982A1 (en) | 2004-09-01 | 2006-03-02 | Goodwin G W Jr | Welding rod container |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013514241A (ja) | 2013-04-25 |
| JP5695663B2 (ja) | 2015-04-08 |
| MA33750B1 (fr) | 2012-11-01 |
| BR112012014472A2 (pt) | 2017-03-14 |
| FR2954290A1 (fr) | 2011-06-24 |
| EP2512940B1 (fr) | 2015-07-29 |
| KR20120115968A (ko) | 2012-10-19 |
| EP2512940A1 (fr) | 2012-10-24 |
| PL2512940T3 (pl) | 2015-12-31 |
| KR101835804B1 (ko) | 2018-03-08 |
| CL2012001388A1 (es) | 2012-10-12 |
| FR2954290B1 (fr) | 2012-03-23 |
| ES2550763T3 (es) | 2015-11-12 |
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