EP1991096A1 - Récipient à double paroi - Google Patents

Récipient à double paroi

Info

Publication number
EP1991096A1
EP1991096A1 EP06761259A EP06761259A EP1991096A1 EP 1991096 A1 EP1991096 A1 EP 1991096A1 EP 06761259 A EP06761259 A EP 06761259A EP 06761259 A EP06761259 A EP 06761259A EP 1991096 A1 EP1991096 A1 EP 1991096A1
Authority
EP
European Patent Office
Prior art keywords
glass vessel
inner part
outer part
area
walled
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Withdrawn
Application number
EP06761259A
Other languages
German (de)
English (en)
Inventor
Jørgen BODUM
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pi Design AG
Original Assignee
Pi Design AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pi Design AG filed Critical Pi Design AG
Publication of EP1991096A1 publication Critical patent/EP1991096A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J41/00—Thermally-insulated vessels, e.g. flasks, jugs, jars
    • A47J41/02—Vacuum-jacket vessels, e.g. vacuum bottles
    • A47J41/022—Constructional details of the elements forming vacuum space
    • A47J41/024—Constructional details of the elements forming vacuum space made of glass
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/18—Apparatus in which ground coffee or tea-leaves are immersed in the hot liquid in the beverage container
    • A47J31/20—Apparatus in which ground coffee or tea-leaves are immersed in the hot liquid in the beverage container having immersible, e.g. rotatable, filters

Definitions

  • the present invention relates to a glass container for a beverage maker.
  • a disadvantage of such beverage makers is that the prepared hot beverage cools quickly.
  • the glass vessel breaks through improper handling and thereby exits the hot liquid contained therein and scalds the user. This can have very serious health consequences.
  • This object is achieved by a glass vessel according to claim 1.
  • the glass vessel of the present invention has at least a double-walled area.
  • the double-walled design offers improved protection against glass breakage.
  • the double-walled area protects the user from escaping liquid should the side wall of the inside or outside part burst. Escaping hot liquid is then retained by the still intact part. This reduces the risk of injury to the user.
  • US 6,405,892 discloses various double-walled containers for domestic use.
  • a double-walled cup is shown.
  • An inner part is inserted into an outer part.
  • Both the inner part and the outer part a thread for a screw connection is arranged.
  • the inner part is connected to the outer part.
  • the junction of the outer part and the inner part is additionally sealed with a sealing element.
  • the production of such a double-walled vessel is relatively complicated. Particularly elaborate are the production of matching threads, the attachment of the sealing element and the subsequent screwing of the two parts.
  • the glass vessel preferably has an inner part and an outer part which at least partially surrounds it and which are fused together.
  • the inner part and / or the outer part is preferably designed so that it is formed tapering in its upper edge region on the other part. In this way, these two parts merge together without the dimensional accuracy is affected at more remote locations.
  • the inner part widens preferably in an upper edge region. This facilitates the insertion of a stamp filter.
  • the vessel has a single-walled upper area and a double-walled lower area.
  • the glass vessel can be produced in a simple manner.
  • a spout mold in particular in the form of an outwardly projecting beak, is preferably formed. This is very easy, because the corresponding area is only single-walled. Because of this spill form, liquids can be removed from the glass vessel in a simple and clean way.
  • the glass vessel preferably has a circular cylindrical inner surface.
  • the circular cylindrical inner surface is advantageous when the vessel is used as a coffee or tea maker.
  • a stamp filter / filter piston can then be easily inserted into the glass vessel and moved therein.
  • the circular cylindrical inner surface ensures a particularly reliable seal.
  • the glass vessel comprises an inner part having a bottom and a circumferential cylindrical side wall which has an upper edge area which releases the upper opening, and an outer part having a bottom and a circumferential cylindrical side wall which has an upper edge area.
  • the inner part is arranged in the outer part such that the upper edge region of the outer part encloses the side wall of the inner part.
  • the inner part protrudes beyond the outer part with its upper edge region and forms the single-walled upper region of the glass vessel.
  • the glass vessel can be produced in a simple manner. Since the inner part protrudes from the outer part, the two parts are not connected at their respective upper edges. The connection between the two takes place instead only in the upper edge region of the outer part, wherein the upper edge region of the outer part comes to rest on the peripheral side wall of the inner part. As a result, stresses are avoided, and the dimensional accuracy of the inside of the inner part is very well preserved.
  • the inner part and the outer part are exclusive lent by this fusion bond to each other, ie, there is no further connection, for example in the region of the soil.
  • the bottom of the outer part may have a pressure equalization opening provided with a plug, preferably a polymer, e.g. a drop of glue, is closed.
  • a plug preferably a polymer, e.g. a drop of glue
  • the glass vessel is designed to be double-walled at least in the area of its side wall, but preferably everywhere.
  • a particular challenge is to train a pouring aid.
  • the glass vessel has an inner part and an outer part, wherein in the inner part an outwardly projecting inner spout area and in the outer part a corresponding, also outwardly projecting outer spout area are formed, wherein the inner spout area in the outer spout area protrudes.
  • the inner spout area and the outer spout area are then fused together along a common edge.
  • the glass container is preferably used in a beverage maker, in particular for coffee or tea, which has a filter piston. This is displaceable in the glass vessel and adapted to retain solids, especially coffee or tea leaves, in a near-bottom region of the glass vessel.
  • the filter piston is preferably connected to a lid for closing the upper opening of the inner part, which may also be double-walled again.
  • the inner part and the outer part are manufactured separately in a first step.
  • at least the inner part is machined to keep tolerances in the inner diameter small, so that a stamp filter can be passed through the inner part unhindered.
  • the outer part may also be machined or blown (mouthed).
  • the inner part is inserted into the outer part.
  • the outer part is fused in a third step, at least in an upper edge region with the inner part. Before, in between or after further processing steps can take place.
  • the outer part in the third step, is heated in an upper edge region and deformed against a side wall of the inner part, so that the outer part is fused with the inner part in this area.
  • a single-walled upper region of the glass vessel is formed, which is formed by the upper region of the inner part.
  • a spout mold is then preferably formed under the action of heat.
  • the outer part can be held on a glass tube which extends axially away from the bottom of the outer part.
  • the glass tube also serves to equalize the pressure in the space between the inner and outer parts during heating and cooling.
  • the tube is then removed, which can form an opening in the bottom of the outer part.
  • Such an opening may also be present in other manufacturing methods as a pressure equalization opening.
  • this opening in the bottom of the outer part is closed, for example, by adding a liquid and curing polymer in the opening.
  • the glass vessel is consistently double-walled, it is difficult to form a pouring aid, since these are both in the Must be formed both inside and in the outer part.
  • One possibility is to form the spout areas in the inner part and outer part separately and then to merge. However, this is difficult due to the large tolerances in the formation of the individual spout areas. It is also possible, but difficult and associated with great tolerances, to form the spout area only after the merger of inner part and outer part. Therefore, it is proposed that initially only in the upper edge region of the outer part before pouring a spout area is formed. The outer part is then fused in its upper edge region, with the exception of the outer spout area, with the inner part.
  • FIG. 1 shows a perspective view of a glass vessel according to the present invention
  • Fig. 2 is a sectional view taken along the central axis of
  • FIG. 3 is a sectional view of the vessel of FIG. 1 with a filter piston
  • FIG. Fig. 4 is a sectional view of the vessel of Figure 1 with a filter piston and a frame with handle.
  • Fig. 5 is a sectional view of a glass vessel according to another embodiment
  • FIG. 1 shows a perspective view of a glass vessel according to the present invention.
  • the vessel comprises an inner part 1 and an outer part 2.
  • the inner part 1 is designed substantially cylindrical and comprises a bottom 10 and a circumferential side wall eleventh
  • the bottom 10 is arranged. Via a transition 14, which is designed here as a rounded transition 14, the bottom 10 is connected to the side wall 11.
  • the side wall 11 extends perpendicular to the bottom 10 and is cylindrical.
  • the side wall 11 ends with an upper edge 15.
  • the bottom 10 and the side wall 11 define a cavity 12.
  • the cavity 12 serves to receive a liquid.
  • a spout 13 is also formed. The spout 13 is designed so that a drink can be removed as possible without dripping.
  • the outer part 2 is also designed substantially cylindrical and also includes a bottom 20 and a side wall 21. Via a transition 24, which is configured here as a rounded transition, the bottom 20 is connected to the side wall 21. The side wall 21 extends perpendicular to the bottom 20. An upper molded portion 23 forms an upper end. In this area, the side wall 21 of the outer part 2 is bent toward the inner part. In other Words, the outer part 2 tapers toward the top of the inner part 1. Analogous to the inner part 1, a cavity 22 through the bottom 20 and the side wall 21 is limited.
  • the cavity of the dispensing part 2 has an inner diameter which is greater than the outer diameter of the cylindrical side wall 11 of the inner part 1. Furthermore, the inner part 1 has a greater height than the outer part 2.
  • the blank differs from the outer part of Figures 1 and 2 in that its side wall is continuously cylindrical, while after the joining of the outer and inner parts of the upper portion 23 is tapered towards the inner part.
  • the inner part 1 is inserted into the cavity 22 of the outer part 2, which still has the shape of the blank.
  • the inner part 1 is positioned concentrically with the outer part 2. Due to the corresponding diameter ratios, a first intermediate space 30 is formed between the cylindrical side walls 11, 21. Furthermore, the inner part 1 becomes such in the outer part
  • a second intermediate space 31 thus forms.
  • the first intermediate space 30 and the second intermediate space 31 merge into one another in the regions of the transitions 14 and 24 and form a continuous intermediate space 3
  • the gap 3 later serves as thermal insulation.
  • the inner part 1 Since the inner part 1 has a greater height than the outer part 2, the upper region of the inner part 1 projects beyond the outer part 2. Thus, the resulting vessel is double-walled in a lower region 100 and single-walled in the upper region 101.
  • the outer part 2 is connected to the inner part 1 in the upper region 23 of the outer part.
  • the upper portion 23 of the outer part is deformed against the cylindrical side wall 11 of the inner part and then fused to the side wall 11. Due to this fusion, the upper portion 23 now has the tapered shape of FIGS. 1 and 2.
  • the connection between the inner part 1 and the outer part 2 is designed airtight.
  • the air in the intermediate space 30 is heated by the heating of the outer part 2, so the air expands.
  • a non-illustrated small, preferably centrally located, opening in the bottom 20 of the outer part this heated air can escape from the gap 3.
  • This small opening can also be referred to as a pressure equalization opening.
  • the opening in the bottom 20 of the outer part is closed, e.g. with an adhesive plug or a plug of flexible plastic, e.g. Silicone rubber. This can cause unwanted intrusion
  • the gap 3 can be filled or evacuated with different media.
  • the gap 3 is filled with normal ambient air.
  • other gases for example dry nitrogen, or a liquid can be filled before the closure.
  • In the space may also be a solid, such as an insulating foam or colored particles arranged.
  • FIG. 3 shows the vessel according to the invention in a coffee maker.
  • a lid 4 is inserted with a filter piston 5 in the vessel.
  • the filter piston 5 comprises a filter plate 50 provided with fine openings and a piston rod 52 connected thereto. With the piston rod 52, the filter plate can be displaced in the cavity 12 within the cylindrical side wall 11.
  • the filter plate 50 extends in the unused state slightly over the inner diameter of the cylindrical inner part 1. In the inserted state, an edge 51 provides for the sealing of an area above the filter plate 50 to a region below the filter plate 50.
  • the filter piston 5 are inserted into the inner part 1 and pressed in the direction of the bottom 10.
  • the coffee grounds are separated from the infused State Cup ⁇ t.
  • the coffee grounds are then located between the filter plate 50 and the bottom 10 of the inner part 1. Similarly, use with tea leaves is possible.
  • the inner part 1 may burst in the lower region. This can happen if, for example, coffee powder is used whose grinding degree is not optimal, and the user actuates the piston rod 52 with great force. If the inner part 1 bursts, a This liquid jet at high speed through the ruptured point in the gap 3 a. This beam can then be retained by the outer part 2. This prevents the user from being injured by the hot liquid jet. Should in the worst case, the outer part 2 burst, the liquid jet enters the environment.
  • the liquid jet is weakened to such an extent that the risk of injury to the user is largely reduced or even eliminated.
  • the double-walled design also provides improved protection against scalding, if the outer part should be damaged.
  • An upper part of the lid 4, which protrudes out of the double-walled glass vessel in the inserted state, is also designed with double walls. But it can also be used single-walled lid.
  • Figure 4 shows the vessel of Figure 3 in addition to a frame 6 and a handle 7.
  • the frame 6 surrounds the vessel around the outer part 2 and is connected to the handle 7. Feet 61 on which the vessel can stand up, the frame 6 are formed.
  • the frame is arranged so that it covers the weld, ie, the point at which the outer part and the inner part are fused together. This protects the one hand, the weld, on the other hand, this is also aesthetically desirable because this seam is not always uniform and not always visually appealing. But it is also possible that the frame is arranged elsewhere. In particular, the frame can come to rest above or else below the weld seam.
  • a handle can also be attached to the vessel in another way, for example by means of a metal band stretched around the upper region of the vessel.
  • a handle can also be formed directly on the outer part or otherwise directly connected to the outer part. For example, a glass handle may be fused directly to the outer part.
  • FIG. 5 An alternative embodiment is shown in FIG. 5.
  • the outer part 2 is pulled up to the upper edge of the inner part 1.
  • the inner and outer parts are fused together along their upper edges.
  • the bottoms 10, 20 of the inner part 1 as well as the outer part 2 are slightly inwardly, i. concave, arched.
  • the inner part 1 expands slightly outwards in its upper edge region, that is, the inner diameter of the inner part 1 increases in an upward direction. This makes it easier to insert a filter piston into the vessel.
  • a spout area 13 is present as a pouring aid. This is formed by an inner spout area 131 on the inner part 1 and an outer spout area 132 on the outer part 2.
  • the outer spout area 132 is formed even before the insertion of the inner part in the outer part, for example by machine or manually by pressing against a mold.
  • the inner part which still has no spout area, inserted into the outer part.
  • the inner part is fused along its upper edge to the outer part, with the exception of the area in which the outer spout area is present.
  • the inner spout area is formed by heating and deformation on the inner part, whereby it virtually conforms to the outer spout area.
  • the two areas are then also fused, so that inner part and outer part are merged around each other.
  • the inner part 1 and the outer part 2 have in the above embodiments, a round (circular) cross-sectional shape.
  • the round cross-sectional shape results from the circular cylindrical basic shape.
  • the outer part and / or the inner part have any cross-sectional shape.
  • the inner part 1 is configured in a circular-cylindrical manner.
  • the inner part 1 and the outer part 2 have different cross-sectional shapes.
  • the inner part 1 can assume a round basic shape and the outer part 2 an elliptical basic shape.
  • Square cross-sectional shapes are also conceivable, of course. This can lead to interesting optical effects.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Table Devices Or Equipment (AREA)
  • Apparatus For Making Beverages (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Thermally Insulated Containers For Foods (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Packages (AREA)

Abstract

L'invention concerne un récipient en verre pour un préparateur de boisson, ce récipient ayant au moins en partie une double paroi. Dans une première configuration, une partie intérieure (1) dépasse d'une partie extérieure (2) l'entourant au moins partiellement, de manière à former une partie inférieure à double paroi (100) et une partie supérieure à paroi simple (101), avec une partie de déversement (13) située à l'intérieur. Dans une autre configuration, la partie interne et la partie externe sont connectées au niveau de leur bord supérieur, et la partie de déversement est réalisée avec une double paroi. L'invention concerne aussi des procédés pour fabriquer le récipient.
EP06761259A 2006-03-07 2006-08-04 Récipient à double paroi Withdrawn EP1991096A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3582006 2006-03-07
PCT/CH2006/000408 WO2007101355A1 (fr) 2006-03-07 2006-08-04 Récipient à double paroi

Publications (1)

Publication Number Publication Date
EP1991096A1 true EP1991096A1 (fr) 2008-11-19

Family

ID=37400906

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06761259A Withdrawn EP1991096A1 (fr) 2006-03-07 2006-08-04 Récipient à double paroi

Country Status (7)

Country Link
US (1) US20090199719A1 (fr)
EP (1) EP1991096A1 (fr)
JP (1) JP2009528955A (fr)
CN (1) CN101400285A (fr)
AU (1) AU2006339732A1 (fr)
CA (1) CA2644692A1 (fr)
WO (1) WO2007101355A1 (fr)

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DE102009051018A1 (de) 2009-10-28 2011-05-05 Zwiesel Kristallglas Ag Doppelwandiges Glasgefäß und Verfahren zur Herstellung desselben
CN102805526A (zh) * 2012-08-03 2012-12-05 张应刚 一种保温杯
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CN105433695A (zh) * 2015-11-30 2016-03-30 无锡市茗雅东方茶艺科技有限公司 一种茶艺壶
JP6135747B2 (ja) * 2015-12-04 2017-05-31 タイガー魔法瓶株式会社 スープ保温用真空二重容器
CN105476402A (zh) * 2016-01-20 2016-04-13 苏州伟纳节能科技有限公司 一种利用热交换对温度进行快速调控的保温杯/瓶
USD821146S1 (en) 2016-05-04 2018-06-26 Hardy Steinmann Portable beverage container
USD815901S1 (en) 2016-05-04 2018-04-24 Hardy Steinmann Portable beverage container
ES1168659Y (es) * 2016-10-06 2017-01-24 Cobollo Pedro Luis Malaga Copa de vino de pared doble-simple.
DE202017101031U1 (de) * 2017-02-24 2018-05-28 Emsa Gmbh Doppelwandige Vakuumglasisolierkanne
CN109381054A (zh) * 2017-08-14 2019-02-26 杨兴明 圆形出水口内面有v形出水槽的保温瓶
IT201700101427A1 (it) * 2017-09-11 2019-03-11 Infusion S R L Struttura di oggetto in materiale vetroso e metodo per la realizzazione di una tale struttura di oggetto
CN108294621B (zh) * 2017-12-26 2023-06-27 浙江绍兴苏泊尔生活电器有限公司 电水壶
CN109527996A (zh) * 2018-12-20 2019-03-29 佛山市顺德区华酷电器科技有限公司 一种手动压力式咖啡机
AU2020387353A1 (en) * 2019-11-24 2022-06-30 Patrick J. Mccluskey All-glass travel mug
GB2598292A (en) * 2020-08-10 2022-03-02 Nicholson Design Consultants Ltd Collector for ground beans
CN117262738B (zh) * 2023-11-17 2024-04-12 顺帆家庭用品(南通)有限公司 一种多工位内外瓶胆封口机

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Also Published As

Publication number Publication date
WO2007101355A1 (fr) 2007-09-13
CN101400285A (zh) 2009-04-01
CA2644692A1 (fr) 2007-09-13
US20090199719A1 (en) 2009-08-13
JP2009528955A (ja) 2009-08-13
AU2006339732A1 (en) 2007-09-13

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