EP0101477A1 - Becherbehälter mit henkel. - Google Patents
Becherbehälter mit henkel.Info
- Publication number
- EP0101477A1 EP0101477A1 EP19830900708 EP83900708A EP0101477A1 EP 0101477 A1 EP0101477 A1 EP 0101477A1 EP 19830900708 EP19830900708 EP 19830900708 EP 83900708 A EP83900708 A EP 83900708A EP 0101477 A1 EP0101477 A1 EP 0101477A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- overlap
- seam
- handle
- jacket
- connection
- 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.)
- Granted
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
- 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
- B65D3/28—Other details of walls
Definitions
- the invention relates to a cup container made of fiber material such as paper, the jacket of which is closed by an overlap, which has a tight and mechanically strong connection between its inner and outer layers and at least one in its outer layer within the area forming the connection contains fold-out handles that are recessed from the connection.
- the handles cannot be removed from the sealable coating within the overlap area; and on the other hand, when using the usual heat pulse method, there is a risk that either the heat influence cannot be reliably concentrated on the areas outside the handles and thus the handles are also glued, or that if the heat is appropriately limited, this will not be the case for one reliably tight sealing is sufficient. It must also be borne in mind that modern cup-making machines work with high cycle rates, which require high temperature of the sealing tools with a correspondingly short exposure time; this exacerbates the problems described and increases the risk of browning of the sensitive paper material.
- the ultrasonic welding process is not suitable for such large welding surfaces as are present in the overlap around the area of the handle, especially since these are partly at an acute angle to the direction of action of the sonotrod due to the considerable extent of the welding surface over the circumference of the cup would. It would also be too costly to divide the entire connection area into sub-areas to be welded separately, which are dealt with in successive individual steps, because this would require the presence of a plurality of complex ultrasonic welding stations in the machine.
- the invention is therefore based on the object of creating a cup container of the type mentioned at the outset, which can be produced using fiber material coated with a full surface seal.
- the solution according to the invention consists in that, using such fully sealable coated fiber material, the overlap connection comprises a first, tight seam at the edge of the overlap bordering the inside of the jacket and a second seam of lower quality bordering on the outside of the jacket.
- the invention is based on the idea that a high-quality connection is required only at one point of the entire overlap, namely where sealing against the medium contained in the container is necessary at the border of the overlap with the container interior, while in the remaining area such an inferior connection of sufficient quality, which only ensures a sufficient mechanical handle strength, is sufficient for the overlap.
- a high-quality connection technique such as ultrasonic welding
- a simpler, less complex method can be used, for example a heat pulse method with a lower temperature of the welding tools and clearly limiting its impact on the areas outside the handle.
- seams mentioned on the inner and outer edge of the overlap can also be provided, preferably on the upper and / or lower overlap edge,
- the invention can have an extension enclosed in the mouth roll. This also applies to any further weld in the area of the central web of the handle.
- the other upper edge areas of the overlap are expediently shortened so that they remain un-flanged to avoid thickening of the mouth roll and their cut edge is only just covered under the lower edge of the mouth roll.
- the doubling of the material in the area of the overlap stiffens the container jacket in the area in which the greatest forces are exerted on it by the handle.
- the forces acting in the other container circumference are minor and are therefore not decisive for the choice of material thickness. So it happens that thanks to the large area overlap a thinner material can be used than with cups that have such a large area overlap do not have. Therefore, the large area overlap does not necessarily lead to additional material consumption.
- the overlap expediently extends over at least about 120 ° of the container opening, preferably over about 150 ° or more. The importance of this stiffening effect becomes clear for the first time when using densely coated paper material.
- Fig. 3 shows a jacket blank of the cup
- Fi * J 4 is a cross-section through the cup. -i-
- the jacket blank consists of a blank 5 which serves to form the actual container jacket and is closed by the first seam 6, which is designed as a sealing seam, and a blank part which extends over the region and contains the handle, which consists of two handle parts 8, which are connected to a central web 10 via prepared folding lines 9 indicated by dash-dotted lines and can be unfolded from this cut part.
- the cut part 7 is extended beyond the handle which is furthest away from the cut part 5 in the region 11, which serves to form the second seam 12.
- the blank 7 with the seam area 6 form the outer layer of the overlap, the extent of which is indicated in FIG. 4 by the angle 18
- Both the center bar 10 and the cuts intended to form the seam 12 !! 11 have top-side extensions which are intended to be rolled into the mouth roll 2 for increased strength, while the cut parts located therebetween are made less high so as not to lead to undesired thickening of the mouth roll in the area in which the Jacket through the blanks 7 is doubled.
- the blank 7 is somewhat shorter than the blank 5. This is because the lower edge of the blank 5 around the bottom edge
- the blank part 7 is made so long at the bottom that it protrudes into the foot region 4 and can therefore be sealed there by means of the compression exerted when the shell-bottom connection is formed. However, this is not absolutely necessary. In some cases it is sufficient if the cutting part 7 is only present in the upper area to the left of the handle and is therefore limited, for example, by the line shown in broken lines in FIG. 3.
- the jacket blank is first wound in a customary manner and the first jacket seam 6 is closed, for example by the action of an ultrasound stamp.
- the mandrel carrying the jacket is then rotated by the angular amount between the seams 6 and 12 and the second jacket seam 12 is closed.
- additional connection points 14 between the blank part containing the handle and the jacket can also be carried out in an analog manner at the same time or in special working steps.
- the bottom is then inserted into the jacket, crimped with it and pressed in the foot region 4, the connecting seam 15 being formed at the lower edge of the blank 7. Finally, the jacket is provided with the mouth roll 2.
- the blank part 7 containing the handle is then connected on both sides by the seams 6 and 12 to the jacket part.
- the upper edge strip 16 and the lower one are stretched between these two seams Edge strips 17, with which the central web 10 of the handle is connected, these edge strips possibly also being connected to the jacket by the weld 15 or 14.
- the finished cup has the cross-sectional shape appearing in FIG. 4. It can be seen that it is stiffened in the area of the angle 18 by the blank part 7, specifically in the angle area in which the forces are to be transferred from the handle to the cup shell.
- the weld seams are indicated by puncturing.
- the seams 12, 14 and 15 need not be of the same quality as the seam 6 because they do not need to be tight. They can therefore be carried out using simpler means. For example, they can be welded using the heat pulse method, while ultrasonic welding is used for the seam 6.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
- Table Devices Or Equipment (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3206528 | 1982-02-24 | ||
DE19823206528 DE3206528A1 (de) | 1982-02-24 | 1982-02-24 | Becherbehaelter mit henkel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0101477A1 true EP0101477A1 (de) | 1984-02-29 |
EP0101477B1 EP0101477B1 (de) | 1986-04-30 |
Family
ID=6156522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19830900708 Expired EP0101477B1 (de) | 1982-02-24 | 1983-02-24 | Becherbehälter mit henkel |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0101477B1 (de) |
JP (1) | JPS59500269A (de) |
DE (2) | DE3206528A1 (de) |
WO (1) | WO1983002930A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201641390U (zh) * | 2010-04-15 | 2010-11-24 | 马瑞春 | 自由杯 |
NL2005742C2 (nl) * | 2010-11-22 | 2012-05-23 | Paulus Lambertus Johannes Maria Holland | Werkwijze voor het verpakken van bloemen, een bloemkoker, en een inrichting voor de vorming daarvan. |
JP6303876B2 (ja) * | 2014-07-02 | 2018-04-04 | 大日本印刷株式会社 | 二重容器 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2060781A (en) * | 1936-02-17 | 1936-11-17 | Sutherland Paper Co | Cup or dish |
-
1982
- 1982-02-24 DE DE19823206528 patent/DE3206528A1/de not_active Withdrawn
-
1983
- 1983-02-24 DE DE8383900708T patent/DE3363247D1/de not_active Expired
- 1983-02-24 JP JP83500796A patent/JPS59500269A/ja active Granted
- 1983-02-24 EP EP19830900708 patent/EP0101477B1/de not_active Expired
- 1983-02-24 WO PCT/EP1983/000047 patent/WO1983002930A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO8302930A1 * |
Also Published As
Publication number | Publication date |
---|---|
JPH0459212B2 (de) | 1992-09-21 |
WO1983002930A1 (en) | 1983-09-01 |
JPS59500269A (ja) | 1984-02-23 |
DE3363247D1 (en) | 1986-06-05 |
DE3206528A1 (de) | 1983-09-01 |
EP0101477B1 (de) | 1986-04-30 |
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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 |
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