EP0760783A1 - Gobelet depliable a fond convexe preplie - Google Patents
Gobelet depliable a fond convexe preplieInfo
- Publication number
- EP0760783A1 EP0760783A1 EP95921870A EP95921870A EP0760783A1 EP 0760783 A1 EP0760783 A1 EP 0760783A1 EP 95921870 A EP95921870 A EP 95921870A EP 95921870 A EP95921870 A EP 95921870A EP 0760783 A1 EP0760783 A1 EP 0760783A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cup
- grooves
- edges
- diamonds
- vertices
- 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.)
- Withdrawn
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
- B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
- B65D5/36—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections
- B65D5/3607—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank
- B65D5/3685—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper specially constructed to allow collapsing and re-erecting without disengagement of side or bottom connections formed by folding or erecting a single blank by folding the blank to U-shape to form the base and opposite sides, the remaining sides being formed by extensions of these opposite sides
-
- 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
- B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
- B65D3/02—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape
- B65D3/08—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape having a cross-section of varying shape, e.g. circular merging into square or rectangular
Definitions
- the present invention relates to the manufacture of foldable cups of the kind described in the patents
- the cups described in these patents have the main advantages of being able to be manufactured continuously from a reel of plasticized cardboard on one side, to have a good quality seal, to have a very easy to unfold and perfectly locked bottom, in the natural direction of grasping, when drinking from this cup and having in the grasping zones a double wall allowing the fingers of the consumer to be well insulated when the liquid is hot.
- the first problem with these cups is that they use a concave bottom and that, when you use the cup to consume a drink that needs to be sweetened, it is difficult to dissolve the sugar because you have to stir the liquid in both hollows formed by the concave bottom of the cup.
- the second problem is that the stabilization of these cups is carried out thanks to the addition of stabilizers which generally use an additional quantity of cardboard which is not negligible; it is however possible in certain cases to save on cardboard, but this is to the detriment of the aesthetic appearance or the simplicity of manufacture.
- Such a cup therefore has the advantage of having, in addition to the convex bottom, good stability which is obtained automatically by unfolding the assembly; a drawback is that its unfolding is obtained by pressing the cup parallel to the fold line of the bottom which must buckle under the force in suitable points to obtain a correct forming of the bottom; even with correct creasing we are not sure of the result if the folding has not already been operated at least once; even having been folded beforehand, as long as the cardboard is damp it remains very difficult to open.
- the fold line of the bottom is parallel to the lateral sides on which the fingers naturally rest when grabbing the cup for drinking; this line constitutes a zone of weakness which can lead to untimely reclosure of the cup with a reduction in volume which can cause an overflow of liquid.
- Patent FR-A-2707467 proposes a solution to eliminate this line of weakness and to make the unfolding of the bottom more reliable in the case of a concave bottom.
- the present invention aims to provide a foldable cup, having a pre-folded convex bottom so that the deployment has total reliability not including in particular a fold line weakening its locking in the open position.
- Figure 1 shows a cut and grooved blank, seen from above, one end of which has been removed, with phantom in the creases which allow the formation of the cup according to the invention.
- FIG. 2 represents a perspective view of the cup corresponding to the blank of FIG. 1 formed in the unfolded position on which a cut has been made to show the interior thereof.
- Figure 3 shows the cup of Figure 2 folded according to the invention.
- FIG. 4 shows a cut and grooved blank, seen from above, according to a variant of the invention.
- FIG. 5 represents a cut and grooved blank, seen from above, according to another variant of the invention.
- Figure 6 shows a cut and grooved blank seen from above, of another variant of the invention.
- FIG. 7 represents a perspective view of the cup corresponding to the blanks of FIGS. 5 and 6 formed in the unfolded position on which a cut has been made to show the interior thereof.
- this cup we start, for example, from an elongated rectangular semi-rigid sheet (fig.l); the length of the long side being, for example, greater than twice the length of the short side.
- Two grooves are made parallel to the long sides defining strips of width A which are used to fix the side walls of the cup onto themselves; the distance between these two grooves 1 is equal to B.
- a third crease is placed parallel to the creases 1 and at equal distance, equal to B / 2, from these.
- two points 4 and 5 are placed on the grooves 1 so that the fictitious straight line joining these two points 4 and 5 is perpendicular to the grooves 1 and 2.
- Points 4 and 5 leave two grooves 7 and 8 of length A, perpendicular to the grooves 1 and which join the points 4 and 5 at their respective long sides of the sheet.
- the sides 12 and 13 of the isosceles triangles joining the vertices 4 and 5 respectively to the vertices 10 and 11 delimiting the common base 9 are grooved and delimit the bottom of the unfolded cup.
- the cup (fig.2), fold the strips of width A delimited by the grooves 1 in the form of "" while forming the bottom of the cup in its unfolded configuration; the two lower points of the "W” consist of the grooves 19 and 20 situated at the ends of the grooves 17, between the grooves 1 and the edges of the sheet, and the central point of the "W” consists of the grooves 7 and 8; the two isosceles triangles with vertex 4 and 5 and common base 9 form a dihedral constituting the convex bottom, the edge of which consists of the common base 9; the support polygon of the cup is in particular constituted by a rhombus formed by folding on itself the sheet according to the grooves 17, so that the diamonds 14 are folded back on themselves along the diagonal 16 holding the ends of the edge of the bottom 9 at a distance from the lift polygon equal to D / 2.
- the side walls of the cup are formed by two dihedrons 21 corresponding to the areas delimited by the grooves 1, 2 and 17 located on the side and the other from the bottom of the cup.
- the cup is thus formed, it is possible to fix between them the faces in contact with the strips of width A folded back on themselves in the form of "W" as described above; the purpose of this operation is to connect, in the upper part, in a sealed manner the edges 1 of the two dihedrons 21 between them, and in the lower part the edges of the dihedrons 21 to the parts of the strip of width A situated between the grooves 19 and 20 corresponding to the internal part of the "W" fold.
- one way of proceeding consists in using a sheet of cardboard coated on one side with a layer of heat-sealable liquid-tight material to make the cup; the bending of the cup is done with this layer placed inside and the strip of width A when it is folded in "W" with its coated faces applied one against the other; the fixing of these faces is done by heating through the cardboard; great care must be taken, however, with regard to welding in the area adjacent to grooves 7 and 8 where the thickness to be welded changes from four thicknesses of cardboard to two thicknesses; the part of the strip of width A situated between the two internal branches of the "W" corresponds to two surfaces in contact which are not coated with heat-sealable material; one can either leave them like this, if the cardboard used is sufficiently rigid, or join them together by hot gluing, knurling or stapling, without this list being exhaustive.
- the folding of the cup is obtained, for example, by spreading from the inside the edges 2 (fig.2) forming the dihedrons of the lateral faces 21; the diagonals 15 (fig. 3) of the diamonds 14, the ends 10 and 11 of which are connected by the bottom edge 9 gradually unfold and the diamonds 14 fold over themselves no longer along the diagonal 16 as before but according to the diagonal 15; the dihedrons formed by the edges 12 and 13 which delimit the bottom dihedral realign while the edges 18 form to form two equal pentagons superimposed constituting the folded bottom having the bottom edge 9 in common.
- Each of the pentagons is also delimited by the edges corresponding to the two grooves 18 (fig.l) as well as the grooves corresponding to the sides 22 of the diamonds 14 which connect their ends to the ends 10 and 11 on the common side 9 to the two pentagons.
- This cup can be manufactured continuously from a spool whose width is equal to the length of the long side of the rectangular sheet from which one started to form the cup, using a process identical to that described in the cited patents.
- the sides adjacent to the vertices 23 of the isosceles triangles forming the bottom of the unfolded cup are replaced by curved grooves 24 of the same curvature situated either externally as indicated in FIG. 4, or internally, at the triangles of vertices 23.25.26.
- the grooves 24 of FIG. 4 are replaced by four grooves 27 formed of a succession of straight lines forming a convex polygon having an axis of symmetry with respect to the line joining the vertices 28 and 29. Creases
- FIG. 7 represents the cup corresponding to the blanks of FIGS. 5 or 6 in which the side walls are formed of two trihedrons 37 and 38.
- the bottom of the cup no longer forms a dihedral as shown in FIG. 2, but a polyhedron 39.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Table Devices Or Equipment (AREA)
- Packages (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9406969 | 1994-06-02 | ||
FR9406969A FR2720719B1 (fr) | 1994-06-02 | 1994-06-02 | Gobelet dépliable à fond convexe préplié. |
PCT/FR1995/000712 WO1995033654A1 (fr) | 1994-06-02 | 1995-06-01 | Gobelet depliable a fond convexe preplie |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0760783A1 true EP0760783A1 (fr) | 1997-03-12 |
Family
ID=9463971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95921870A Withdrawn EP0760783A1 (fr) | 1994-06-02 | 1995-06-01 | Gobelet depliable a fond convexe preplie |
Country Status (6)
Country | Link |
---|---|
US (1) | US5799863A (fr) |
EP (1) | EP0760783A1 (fr) |
JP (1) | JPH10500927A (fr) |
AU (1) | AU2676295A (fr) |
FR (1) | FR2720719B1 (fr) |
WO (1) | WO1995033654A1 (fr) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2312370A (en) * | 1996-04-25 | 1997-10-29 | Shiang Shiung Hai | Collapsible paper cup formed from blank |
DE29811914U1 (de) | 1998-07-02 | 1998-09-24 | FCP Europa Carton Faltschachtel GmbH, 20095 Hamburg | Faltbecher |
GB9822245D0 (en) * | 1998-10-13 | 1998-12-09 | Mead Corp | Carton and carton blank |
US8231024B2 (en) | 2007-08-08 | 2012-07-31 | Clear Lam Packaging, Inc. | Flexible, stackable container and method and system for manufacturing same |
WO2010054226A2 (fr) * | 2008-11-06 | 2010-05-14 | Clear Lam Packaging, Inc. | Contenant flexible empilable et procédé et système permettant de le fabriquer |
US10207850B2 (en) | 2012-10-26 | 2019-02-19 | Primapak, Llc. | Flexible package and method of making same |
EP2911947B1 (fr) | 2012-10-26 | 2018-03-14 | Primapak, LLC | Emballage souple et son procédé de fabrication |
USD725467S1 (en) | 2013-07-30 | 2015-03-31 | Clear Lam Packaging, Inc. | Package |
USD739232S1 (en) | 2013-07-30 | 2015-09-22 | Clear Lam Packaging, Inc. | Film used to make packages |
USD726535S1 (en) | 2013-07-30 | 2015-04-14 | Clear Lam Packaging, Inc. | Package |
USD715643S1 (en) | 2013-07-30 | 2014-10-21 | Clear Lam Packaging, Inc. | Package |
USD747189S1 (en) | 2013-09-09 | 2016-01-12 | Clear Lam Packaging, Inc. | Package |
USD733549S1 (en) | 2013-10-25 | 2015-07-07 | Clear Lam Packaging, Inc. | Package |
USD764914S1 (en) | 2013-11-12 | 2016-08-30 | Clear Lam Packaging, Inc. | Package |
USD777026S1 (en) | 2013-11-12 | 2017-01-24 | Clear Lam Packaging, Inc. | Package |
USD768479S1 (en) | 2014-01-16 | 2016-10-11 | Clear Lam Packaging, Inc. | Package |
USD761651S1 (en) | 2014-01-28 | 2016-07-19 | Clear Lam Packaging, Inc. | Package |
USD747195S1 (en) | 2014-02-14 | 2016-01-12 | Clear Lam Packaging, Inc. | Film for packaging production |
USD748471S1 (en) | 2014-02-14 | 2016-02-02 | Clear Lam Packaging, Inc. | Film for packaging production |
USD766082S1 (en) | 2014-02-28 | 2016-09-13 | Clear Lam Packaging, Inc. | Package |
USD747202S1 (en) | 2014-02-28 | 2016-01-12 | Clear Lam Packaging, Inc. | Film used to make packages |
USD753995S1 (en) | 2014-03-07 | 2016-04-19 | Clear Lam Packaging, Inc. | Film for packaging production |
USD730725S1 (en) | 2014-03-07 | 2015-06-02 | Clear Lam Packaging, Inc. | Package |
USD750477S1 (en) | 2014-03-07 | 2016-03-01 | Clear Lam Packaging, Inc. | Package |
USD740114S1 (en) | 2014-03-07 | 2015-10-06 | Clear Lam Packaging, Inc. | Package |
USD813663S1 (en) | 2014-03-13 | 2018-03-27 | Primapak, Llc | Package |
USD753996S1 (en) | 2014-03-26 | 2016-04-19 | Clear Lam Packaging, Inc. | Package |
ES2856251T3 (es) | 2014-05-19 | 2021-09-27 | Primapak Llc | Aparato y método para fabricar un envase flexible |
USD734144S1 (en) | 2014-05-30 | 2015-07-14 | Clear Lam Packaging, Inc. | Package |
USD746673S1 (en) | 2014-06-20 | 2016-01-05 | Clear Lam Packaging, Inc. | Package |
USD747646S1 (en) | 2014-06-20 | 2016-01-19 | Clear Lam Packaging, Inc. | Package |
USD781702S1 (en) | 2014-08-25 | 2017-03-21 | Clear Lam Packaging, Inc. | Material for packaging production |
USD772069S1 (en) | 2014-09-25 | 2016-11-22 | Clear Lam Packaging, Inc. | Film for making packages |
USD754534S1 (en) | 2014-09-25 | 2016-04-26 | Clear Lam Packaging, Inc. | Package |
USD778719S1 (en) | 2014-10-15 | 2017-02-14 | Clear Lam Packaging, Inc. | Package |
USD756219S1 (en) | 2014-10-31 | 2016-05-17 | Clear Lam Packaging, Inc. | Package |
USD784127S1 (en) | 2014-10-31 | 2017-04-18 | Clear Lam Packaging, Inc. | Film for packaging production |
USD788582S1 (en) | 2014-10-31 | 2017-06-06 | Clear Lam Packaging, Inc. | Film for packaging production |
USD787319S1 (en) | 2014-11-17 | 2017-05-23 | Clear Lam Packaging, Inc. | Package |
USD768534S1 (en) * | 2015-04-28 | 2016-10-11 | Derrick WILTURNER | Holder for a match with an incense flag attachment |
US10843837B2 (en) | 2015-09-18 | 2020-11-24 | Primapak, Llc | Apparatus and method for making a flexible package |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1690586A (en) * | 1924-01-26 | 1928-11-06 | Charles Errett | Collapsible paper cup |
US1985111A (en) * | 1932-07-29 | 1934-12-18 | Iowa Fiber Box Company | Liner for shipping containers |
US2232088A (en) * | 1938-01-18 | 1941-02-18 | Harry F Waters | Container |
US2323287A (en) * | 1939-08-14 | 1943-07-06 | Universal Paper Products Compa | Paper cup |
US2385898A (en) * | 1943-06-24 | 1945-10-02 | Harry F Waters | Snap-down bottom, flat-folded paperboard container |
US3726469A (en) * | 1970-08-17 | 1973-04-10 | A Koehler | Expansible and collapsible spring acting, multi-sided structures and blanks therefor |
DE8800400U1 (de) * | 1988-01-15 | 1988-02-25 | Graphia Hans Gundlach Gmbh, 4800 Bielefeld | Aus einem einstückigen Zuschnitt aus Karton gefertigter Behälter für Speisen, insbesondere für Pommes frites |
DE3829264C1 (fr) * | 1988-08-30 | 1989-12-28 | Unilever N.V., Rotterdam, Nl | |
DE3844110C1 (fr) * | 1988-12-28 | 1990-08-23 | Real-Pack Entwicklungs- Und Verpackungstechnik Gmbh, 6080 Gross-Gerau, De | |
AU7958191A (en) * | 1991-05-30 | 1993-01-08 | Packart Holding | Self stable bag intended to contain a liquid, pasty or powder product |
FR2707467B1 (fr) * | 1993-07-16 | 1995-08-18 | Capy Gilbert | Procédé de pliage d'un gobelet permettant d'en former facilement et d'en verrouiller convenablement le fond concave. |
FR2712788B1 (fr) * | 1993-11-26 | 1995-12-29 | Gilbert Capy | Dispositif de stabilisation d'un gobelet repliable à fond concave. |
FR2710005B1 (fr) * | 1993-09-14 | 1995-10-13 | Gilbert Capy | Procede de fabrication en continu de gobelets pliables. |
-
1994
- 1994-06-02 FR FR9406969A patent/FR2720719B1/fr not_active Expired - Fee Related
-
1995
- 1995-06-01 JP JP8500443A patent/JPH10500927A/ja active Pending
- 1995-06-01 EP EP95921870A patent/EP0760783A1/fr not_active Withdrawn
- 1995-06-01 AU AU26762/95A patent/AU2676295A/en not_active Abandoned
- 1995-06-01 US US08/737,807 patent/US5799863A/en not_active Expired - Fee Related
- 1995-06-01 WO PCT/FR1995/000712 patent/WO1995033654A1/fr not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO9533654A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU2676295A (en) | 1996-01-04 |
US5799863A (en) | 1998-09-01 |
WO1995033654A1 (fr) | 1995-12-14 |
FR2720719A1 (fr) | 1995-12-08 |
JPH10500927A (ja) | 1998-01-27 |
FR2720719B1 (fr) | 1996-07-05 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
Effective date: 19961228 |
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AK | Designated contracting states |
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17Q | First examination report despatched |
Effective date: 19970606 |
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GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
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GRAG | Despatch of communication of intention to grant |
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GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 19980728 |