EP0413196B1 - Hotel jug and method of making the same - Google Patents

Hotel jug and method of making the same Download PDF

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Publication number
EP0413196B1
EP0413196B1 EP90114741A EP90114741A EP0413196B1 EP 0413196 B1 EP0413196 B1 EP 0413196B1 EP 90114741 A EP90114741 A EP 90114741A EP 90114741 A EP90114741 A EP 90114741A EP 0413196 B1 EP0413196 B1 EP 0413196B1
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EP
European Patent Office
Prior art keywords
jug
handle
edge
rim
plastic
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.)
Expired - Lifetime
Application number
EP90114741A
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German (de)
French (fr)
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EP0413196A2 (en
EP0413196A3 (en
Inventor
Gisbert Heimann
Walter Kramer
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Schott AG
Original Assignee
Carl Zeiss AG
Schott Glaswerke AG
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Application filed by Carl Zeiss AG, Schott Glaswerke AG filed Critical Carl Zeiss AG
Publication of EP0413196A2 publication Critical patent/EP0413196A2/en
Publication of EP0413196A3 publication Critical patent/EP0413196A3/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/12—Vessels or pots for table use

Definitions

  • the invention relates to a jug according to the preamble of claim 1 and a method for producing the jug.
  • Pots especially those made of glass, which serve as serving and collecting containers for e.g. Coffee are used are provided with a plastic mouth rim to reduce the susceptibility to breakage when toasting.
  • Such cans are particularly useful in the commercial sector, including very common in restaurants and hotels. The advantages of such cans are the already mentioned low susceptibility to breakage and more favorable casting properties, which can be achieved through the plastic rim of the mouth.
  • a glass jug is also known, the handle made of plastic is formed in two parts, a hook over the edge of the jug inside it is connected via a sliding connection with the rest of the handle, which on the side wall of the Glass jug is glued.
  • the proposed design in the form of a two-part handle serves to compensate for tolerances in order to ensure a firm and secure fit of the hook attachment on the edge of the can and to relieve the adhesive connection between the handle and the can wall.
  • the invention is therefore based on the object of designing a can of the generic type, which thus has a plastic edge comprising the upper edge with a pouring spout and a handle attached to the outside of the can body in the form of an independent component, so that the mutual alignment pouring spout and handle can be reached quickly and safely during the manufacturing process with simple, cheap means.
  • the form-fitting connection between the plastic edge and the handle opposite the pouring spout ensures, with simple means, that the pouring spout and the handle lie exactly opposite one another after assembly.
  • the previously required, time-consuming, precise alignment of the handle with regard to the pouring spout is eliminated or at least simplified to such an extent that the time required for the alignment becomes negligibly small.
  • a jug according to the invention is particularly advantageous in the case of a jug whose upper edge of the jug body is rotationally symmetrical.
  • the upper edge can be placed on the jug in any angular position and the interlocking connection between the pouring spout and the handle is ensured by the form-fitting connection provided according to the invention between the plastic edge and the handle. Since the plastic edge can be placed on the can body in any angular position, the time to set the edge is also reduced.
  • a particularly advantageous embodiment of the invention provides that the positive connection consists of a notch arranged in the plastic edge and a nose arranged on the handle.
  • the interlocking connection provided according to the invention does not impair the advantages previously achieved by the separate design of the plastic edge and handle.
  • the plastic edge is made according to the state of the art from polypropylene and connected to the glass edge using a polyamide hot melt adhesive.
  • a bayonet-type locking can also lead to a positive connection between the plastic edge and the edge of the jug.
  • these connections only essentially have a sealing function, the mechanical load is very low.
  • the can edge can also be manufactured with larger tolerances and thus cheaper, or the plastic edge with a different adhesive, e.g. a medium viscous silicone adhesive can be attached than was required in the prior art. It is therefore now possible to attach or secure the plastic edge by means of an elastic, aging-stable, but less mechanically stressable adhesive.
  • the handle can now be made of a plastic which is more suitable, for example, for gluing to the material of the jug, for example glass, than the plastic edge which comes into contact with the (hot) beverage and which is preferably made of polypropylene.
  • a handle made of ABS (poly (acrylonitrile-co-butadiene-co-styrene)) or PC (polycarbonate) using a permanently elastic silicone adhesive. Since these high-strength silicone adhesives are mostly highly viscous, they are unsuitable for attaching the plastic edge.
  • Such a connection now fulfills all the conditions required for use with respect to temperature change resistance, tear resistance and dishwasher compatibility.
  • the handle can also be guided around the jug Metal tape or in other known ways on the outside of the can body, instead of as before, on the pouring rim and thus on the can neck.
  • sticking the handle is the most advantageous type of attachment, since it is inexpensive and the jug does not have any metal parts, making it suitable for the microwave.
  • the lid can be placed loosely, snapped into the plastic edge, integrated as a swivel lid in the handle, etc.
  • the plastic edge serving as a spout can easily be produced in all desired embodiments - for example with a molded spout.
  • One is not limited to polypropylene, other food-safe plastics that are sufficiently rigid and heat-resistant can also be used.
  • the plastic edge especially when secured by the handle, can also be attached to the can edge simply by snapping it into place.
  • the rim of the jug is expediently thickened in a bead-like manner so that it can snap into a corresponding recess on the plastic edge.
  • This bayonet-like locking means that both parts are positively connected to one another.
  • the plastic edge is expediently designed so that the upper edge of the jug in one engages annular recess on the plastic edge, the inner wall of the annular recess being elastically supported on the inside of the upper edge of the glass, so that no liquid can get between the plastic edge and the upper edge of the can.
  • the outer wall of the annular recess sits tightly on the outside of the jug so that no rinsing water can get into the cavity.
  • the plastic edge is preferably fastened to the upper can edge, preferably with a hot-melt adhesive, preferably polyamide, wherein the positive engagement described can serve to additionally secure both parts.
  • the hot melt adhesive expediently at least largely fills the cavity between the plastic edge and the upper edge of the can, so that no liquid can penetrate there.
  • a secure and liquid-tight connection between the plastic edge and the jug is easily possible in all cases, since the connection - unlike the prior art - is relieved of the weight of the jug.
  • the jug is preferably made of glass, since glass is an inexpensive and hygienic raw material.
  • the jug and the handle can be made of glass ceramic, ceramic, earthenware or porcelain, in which case adhesives adapted to these materials are used.
  • Fig. 1 shows a jug 1 according to the invention with a glass container 2, a plastic rim 3 serving as a spout, a handle 4 and a lid 5.
  • the plastic rim 3 is ring-shaped and consists of a relatively rigid plastic, such as e.g. Polypropylene.
  • an annular recess 6 is embedded so that a short inner wall 7 and a longer outer wall 8 is formed.
  • the lower end 9 of the inner wall 7 runs thin and is flexible.
  • the annular plastic edge 3 has a pouring spout 10 and a notch 11.
  • the glass container 2 has a base 12 suitable for placement on a heating plate (not shown), an arcuately tapering side wall 13 and a slightly outwardly inclined edge 14, the entire glass container 2 being rotationally symmetrical.
  • the annular recess 6 When assembling the jug, the annular recess 6 is partially filled with a hot melt adhesive 15, preferably a polyamide hot melt adhesive, and pressed onto the edge 14 of the glass container 2 until the outer wall 8 of the plastic edge 3 is supported on the outer side 16 of the glass container 2.
  • the thinly tapering inner wall 7 comes into contact with the inside 17 of the edge 14, so that a Relatively smooth transition from the glass container 2 to the plastic edge 3 arises.
  • the amount of hot-melt adhesive 15 is advantageously such that the cavity that is formed when the joint is formed between the annular recess 6 and the edge 14 is at least largely filled with the hot-melt adhesive 15.
  • the notch 11 forms a starting aid for the handle 4, so that it can be attached to the spout 10 exactly opposite and at the correct height on the outside 16 of the glass container 2 without great effort.
  • the handle 4 has a nose 18 which fits into the notch 11 and is coated on its contact surface 19 facing the glass container 2 with a permanently elastic silicone adhesive 20.
  • the nose 18 forms a form-fitting securing of the plastic edge 3.
  • the silicone adhesive 20 forms a connection between the glass container 2 and the handle, which is also suitable for use in the hotel and restaurant trade, and is resistant to temperature changes, tear-off and dishwasher-safe 4th
  • the lid 5 can be firmly inserted into the plastic rim 3 by means of cams 21, a recess 22 allowing a beverage poured into the glass container 2 to be poured out.
  • FIG. 2 Another fastening option between the glass container 102 and the plastic edge 103 is shown in FIG. 2.
  • the outer wall 108 has a circumferential indentation 123 in the annular depression 106, into which the end of the edge 114 can snap.
  • the end of the edge 114 preferably has a thickening 124.
  • the indentation 123 is mounted in the annular recess 106 such that when the thickening 124 engages, the lower end of the outer wall 108 and the thinly tapering end of the inner wall 107, as described in FIG. 1, come into contact with the glass container 102 is coming.
  • the somewhat elastic plastic of the plastic edge 103 seals on the glass of the glass container 102.
  • An adhesive can also be filled into the annular recess 106, as described in FIG. 1. This adhesive increases the security of the connection between the plastic edge 103 and the glass container 102 and at the same time reliably prevents any ingress of liquid into the cavity formed between the annular depression 106 and the edge 114.
  • the glass container 2, 102 e.g. have a substantially cylindrical side wall 13
  • the plastic edge 3 can be designed without the inner wall 7 or outer wall 8, the plastic edge 3 then sits directly on the end of the edge 14;
  • the wall 25 of the plastic edge 3 can be designed in various ways, e.g. very steep and relatively long in the area of the spout 10; common is always that the handle 4 is attached to the side wall 13 and not on the edge 14 on the glass container 2, so that the attachment of the plastic edge 3 is not burdened with the entire weight of the jug 1.
  • handle 4 can be attached to the handle Body of the glass container metal tape running around are attached. It is also possible to glue a base plate to the glass container and mount the handle on this base plate.

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  • Table Devices Or Equipment (AREA)
  • Cookers (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Closures For Containers (AREA)

Description

Die Erfindung betrifft eine Kanne nach dem Oberbegriff des Anspruchs 1 und ein Verfahren zur Herstellung der Kanne.The invention relates to a jug according to the preamble of claim 1 and a method for producing the jug.

Kannen, insbesondere solche aus Glas, die als Servier- und Auffangbehälter für z.B. Kaffee verwendet werden, werden zur Verminderung der Bruchanfälligkeit beim Anstoßen mit einem Kunststoff-Mundrand versehen. Solche Kannen sind insbesondere im gewerblichen Bereich, u.a. im Gaststätten- und Hotelbetrieb, sehr verbreitet. Die Vorteile solcher Kannen sind die schon erwähnte geringe Bruchanfälligkeit und günstigere Gießeigenschaften, die durch den Kunststoff-Mundrand realisiert werden können.Pots, especially those made of glass, which serve as serving and collecting containers for e.g. Coffee are used are provided with a plastic mouth rim to reduce the susceptibility to breakage when toasting. Such cans are particularly useful in the commercial sector, including very common in restaurants and hotels. The advantages of such cans are the already mentioned low susceptibility to breakage and more favorable casting properties, which can be achieved through the plastic rim of the mouth.

Die Qualitätsanforderungen an solche Kannen sind gerade im gewerblichen Einsatz sehr hoch. Trotzdem müssen - um konkurrenzfähig zu bleiben - die Herstellungskosten niedrig liegen. Um diesen Anforderungen zu genügen, haben bekannte Kannen einen mehr oder weniger hochgezogenen Glashals, auf dem der Kunststoffrand - meist bajonettartig - klemmend aufsitzt. Eine weitere Sicherung des Kunststoffrandes kann mittels Dichtringen und/oder Klebstoffen zwischen dem Kunststoffrand und dem Glasrand erfolgen. Mit dem Kunststoffrand ist einstückig oder mehrstückig der Tragegriff der Kanne verbunden. Die einstückige Verbindung ist dabei bevorzugt, da sie besonders kostengünstig ist. Kannen dieser Bauart werden beschrieben in den US-PS'en 3,632,025, 4,090,648 und 4,140,251 sowie in der DE-OS 31 31 724.The quality requirements for such cans are very high, especially in commercial use. Nevertheless, in order to remain competitive, the manufacturing costs must be low. In order to meet these requirements, well-known cans have a more or less raised glass neck, on which the plastic edge - mostly bayonet-like - sits clampingly. The plastic edge can be further secured by means of sealing rings and / or adhesives between the plastic edge and the glass edge. The handle of the jug is connected in one piece or in several pieces to the plastic edge. The one-piece connection is preferred because it is particularly inexpensive. Cans of this type are described in US Pat. Nos. 3,632,025, 4,090,648 and 4,140,251 and in DE-OS 31 31 724.

Aus der DE-OS 37 17 772 ist weiterhin eine Glaskanne bekannt, deren aus Kunststoff bestehender Handgriff zweiteilig ausgebildet ist, wobei ein über den Rand der Kanne in deren Inneres greifender Hakenansatz über eine Schiebeverbindung mit dem übrigen Handgriff verbunden ist, der auf die Seitenwand der Glaskanne geklebt ist. Die vorgeschlagene Ausgestaltung in Form eines zweiteiligen Handgriffs dient einem Toleranzausgleich, um einen festen und sicheren Sitz des Hakenansatzes am Rand der Kanne zu gewährleisten und die Klebeverbindung zwischen Handgriff und Kannenwand zu entlasten.From DE-OS 37 17 772 a glass jug is also known, the handle made of plastic is formed in two parts, a hook over the edge of the jug inside it is connected via a sliding connection with the rest of the handle, which on the side wall of the Glass jug is glued. The proposed design in the form of a two-part handle serves to compensate for tolerances in order to ensure a firm and secure fit of the hook attachment on the edge of the can and to relieve the adhesive connection between the handle and the can wall.

Weiterhin ist aus dem DE-GM 77 31 475 eine Krankentasse mit einem Kunststoffaufsatz mit Ausgießtülle bekannt, bei der Henkel bzw. Griffe mit der Außenwandung der Tasse verbunden sind.Furthermore, from DE-GM 77 31 475 a patient's cup with a plastic attachment with a pouring spout is known, in which handles or handles are connected to the outer wall of the cup.

Bei den Kannen und sonstigen Gefäßen der beschriebenen Art hat es sich als nachteilig herausgestellt, daß der während des Fertigungsvorgangs zunächst separat vorhandene Griff vor Verkleben mit der Kannenaußenwand sorgfältig ausgerichtet werden muß, um sicherzustellen, daß Ausgießtülle und Griff einander genau gegenüberliegen. Kannen, bei denen diese Forderung nicht erfüllt ist, erzeugen beim Ausgießen keinen sauberen Strahl, so daß sie vom Verbraucher letztlich nicht angenommen werden.In the cans and other vessels of the type described, it has been found to be disadvantageous that the handle, which is initially present separately during the manufacturing process, must be carefully aligned before gluing to the outer wall of the can to ensure that the pouring spout and handle are exactly opposite one another. Cans where this requirement is not met do not produce a clean jet when poured out, so that they are ultimately not accepted by the consumer.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Kanne der gattungsgemäßen Art, die also einen den oberen Rand umfassenden Kunststoffrand mit einer Ausgußtülle und einen auf der Außenseite des Kannenkörpers befestigten Griff in Form eines eigenständigen Bauteils aufweist, so zu gestalten,, daß die gegenseitige Ausrichtung von Ausgußtülle und Griff während des Fertigungsprozesses mit einfachen, billigen Mitteln schnell und sicher erreicht wird.The invention is therefore based on the object of designing a can of the generic type, which thus has a plastic edge comprising the upper edge with a pouring spout and a handle attached to the outside of the can body in the form of an independent component, so that the mutual alignment pouring spout and handle can be reached quickly and safely during the manufacturing process with simple, cheap means.

Diese Aufgabe wird bei einer gattungsgemäßen Einrichtung durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.This object is achieved in a generic device by the characterizing features of claim 1.

Es hat sich gezeigt, daß die aus dem Stand der Technik bekannte Befestigung des Griffes am Kunststoffrand bezüglich der Montage und Montagekosten zwar einfach und kostengünstig sein kann, daß jedoch ein an der Außenseite der Kanne getrennt von dem Kunststoffrand angebrachter Griff aus anderer Sicht vorteilhafter ist. Die Trennung von Kunststoffrand und Griff sowie deren Befestigungsstellen erlaubt es, unterschiedliche Materialien für beide Teile und entsprechend auch unterschiedliche Befestigungsmittel zu verwenden.It has been shown that the attachment of the handle to the plastic edge known from the prior art can be simple and inexpensive in terms of assembly and assembly costs, but that a handle attached to the outside of the jug separately from the plastic edge is more advantageous from another point of view. The separation of the plastic edge and handle as well as their fastening points allows different materials to be used for both parts and, accordingly, different fastening means.

Durch die der Ausgußtülle gegenüberliegende formschlüssige Verbindung zwischen Kunststoffrand und Griff wird dabei mit einfachen Mitteln sichergestellt, daß sich Ausgußtülle und Griff nach erfolgter Montage genau gegenüberliegen. Die bisher notwendige, zeitraubende genaue Ausrichtung des Griffs im Hinblick auf die Ausgußtülle entfällt oder wird zumindest soweit vereinfacht, daß der für die Ausrichtung notwendige Zeitaufwand vernachlässigbar klein wird.The form-fitting connection between the plastic edge and the handle opposite the pouring spout ensures, with simple means, that the pouring spout and the handle lie exactly opposite one another after assembly. The previously required, time-consuming, precise alignment of the handle with regard to the pouring spout is eliminated or at least simplified to such an extent that the time required for the alignment becomes negligibly small.

Die erfindungsgemäße Ausgestaltung einer Kanne ist insbesondere bei einer Kanne vorteilhaft, deren oberer Rand des Kannenkörpers rotationssymmetrisch ist. Hierbei läßt sich der obere Rand in beliebiger Winkelstellung auf die Kanne aufsetzen und durch die erfindungsgemäß vorgesehene formschlüssige Verbindung zwischen Kunststoffrand und Griff wird dabei die gegenseitige Ausrichtung von Ausgußtülle und Griff sichergestellt. Da der Kunststoffrand in beliebiger Winkelstellung auf den Kannenkörper aufgesetzt werden kann, wird die für das Aufsetzen des Randes anzusetzende Zeit ebenfalls verringert. Weiterbildungsformen sind in den Unteransprüchen erfaßt.The design of a jug according to the invention is particularly advantageous in the case of a jug whose upper edge of the jug body is rotationally symmetrical. Here, the upper edge can be placed on the jug in any angular position and the interlocking connection between the pouring spout and the handle is ensured by the form-fitting connection provided according to the invention between the plastic edge and the handle. Since the plastic edge can be placed on the can body in any angular position, the time to set the edge is also reduced. Forms of further training are covered in the subclaims.

Eine besonders vorteilhafte Ausgestaltung der Erfindung sieht vor, daß die formschlüssige Verbindung aus einer in dem Kunststoffrand angeordneten Kerbe und einer an dem Griff angeordneten Nase besteht.A particularly advantageous embodiment of the invention provides that the positive connection consists of a notch arranged in the plastic edge and a nose arranged on the handle.

Die erfindungsgemäß vorgesehene formschlüssige Verbindung beeinträchtigt die bisher durch die getrennte Ausgestaltung von Kunststoffrand und Griff zu erzielenden Vorteile nicht.The interlocking connection provided according to the invention does not impair the advantages previously achieved by the separate design of the plastic edge and handle.

So kann z.B. der Kunststoffrand entsprechend dem Stand der Technik aus Polypropylen gefertigt und mittels eines Polyamid-Schmelzklebers mit dem Glasrand verbunden werden. Zugleich kann eine bajonettartige Verriegelung zusätzlich zu einem Formschluß zwischen Kunststoffrand und Kannenrand führen. Diese Verbindungen haben jedoch nur noch im wesentlichen eine Dichtungsfunktion, die mechanische Belastung ist sehr gering. Aus diesem Grund kann - je nach Ausführung des Kunststoffrandes - der Kannenrand auch mit größeren Toleranzen und damit billiger gefertigt werden, oder der Kunststoffrand mit einem anderen Kleber, z.B. einem mittelviskosen Silikonkleber, befestigt werden, als es im Stand der Technik erforderlich war. Es ist also jetzt möglich, den Kunststoffrand mittels eines elastischen, alterungsstabilen, dafür aber mechanisch weniger beanspruchbaren Klebers zu befestigen bzw. zu sichern.For example, the plastic edge is made according to the state of the art from polypropylene and connected to the glass edge using a polyamide hot melt adhesive. At the same time, a bayonet-type locking can also lead to a positive connection between the plastic edge and the edge of the jug. However, these connections only essentially have a sealing function, the mechanical load is very low. For this reason - depending on the design of the plastic edge - the can edge can also be manufactured with larger tolerances and thus cheaper, or the plastic edge with a different adhesive, e.g. a medium viscous silicone adhesive can be attached than was required in the prior art. It is therefore now possible to attach or secure the plastic edge by means of an elastic, aging-stable, but less mechanically stressable adhesive.

Erfindungsgemäß kann nun der Griff aus einem Kunststoff hergestellt werden, der z.B. für das Verkleben mit dem Material der Kanne, z.B. Glas, besser geeignet ist als der mit dem (heißen) Getränk in Kontakt kommende Kunststoffrand, der vorzugsweise aus Polypropylen gefertigt ist. Dies kann z.B. bei einem Griff aus ABS (Poly(acrylnitril-co-butadien-co-styrol)) oder PC (Polycarbonat) mittels eines dauerelastischen Silikonklebers erfolgen. Da diese hochfesten Silikonkleber meist hochviskos sind, sind sie für die Befestigung des Kunststoffrandes ungeeignet. Eine solche Verbindung erfüllt nun alle für den Gebrauch bezüglich Temperaturwechselfestigkeit Abrißfestigkeit und Spülmaschinentauglichkeit erforderlichen Bedingungen. Der Griff kann auch mittels eines um die Kanne herumgeführten Metallbandes oder auf andere bekannte Weise an der Außenseite des Kannenkörpers, statt wie bisher, am Ausgußrand und damit am Kannenhals, befestigt werden. Das Ankleben des Griffes ist jedoch die vorteilhafteste Befestigungsart, da sie kostengünstig ist und der Krug hierdurch keinerlei Metallteile aufweist, wodurch er mikrowellengeeignet ist.According to the invention, the handle can now be made of a plastic which is more suitable, for example, for gluing to the material of the jug, for example glass, than the plastic edge which comes into contact with the (hot) beverage and which is preferably made of polypropylene. This can be done with a handle made of ABS (poly (acrylonitrile-co-butadiene-co-styrene)) or PC (polycarbonate) using a permanently elastic silicone adhesive. Since these high-strength silicone adhesives are mostly highly viscous, they are unsuitable for attaching the plastic edge. Such a connection now fulfills all the conditions required for use with respect to temperature change resistance, tear resistance and dishwasher compatibility. The handle can also be guided around the jug Metal tape or in other known ways on the outside of the can body, instead of as before, on the pouring rim and thus on the can neck. However, sticking the handle is the most advantageous type of attachment, since it is inexpensive and the jug does not have any metal parts, making it suitable for the microwave.

Es besteht zusätzlich die Möglichkeit, den Griff so zu gestalten, daß ein oberer Teil des Griffes in Eingriff mit dem Kunststoffrand steht. Hierdurch wird der Kunststoffrand durch Formschluß mit dem Griff auf dem Rand des Glaskrugs gesichert.There is also the possibility to design the handle so that an upper part of the handle is in engagement with the plastic edge. As a result, the plastic edge is secured by a positive fit with the handle on the edge of the glass jug.

Es besteht weiterhin die Möglichkeit, die Kanne mit einem zugehörigen Deckel in allen gebräuchlichen Formen auszustatten. Der Deckel kann lose aufgesetzt, in den Kunststoffrand eingerastet, als Schwenkdeckel in den Griff integriert sein, usw.It is also possible to equip the jug with an associated lid in all common forms. The lid can be placed loosely, snapped into the plastic edge, integrated as a swivel lid in the handle, etc.

Der als Ausguß dienende Kunststoffrand kann leicht in allen gewünschten Ausführungsformen - so z.B. mit angeformtem Ausguß - hergestellt werden. Man ist hierbei nicht auf Polypropylen beschränkt, auch andere lebensmittelechte Kunststoffe, die genügend steif und hitzebeständig sind, können verwendet werden. Der Kunststoffrand kann, insbesondere bei einer Sicherung durch den Griff, auch durch bloßes Einrasten am Kannenrand befestigt werden. Hierzu wird der Krugrand zweckmäßigerweise wulstförmig verdickt, so daß er in eine entsprechende Aussparung am Kunststoffrand einrasten kann. Durch diese bajonettartige Verriegelung werden beide Teile formschlüssig miteinander verbunden. Der Kunststoffrand wird hierbei zweckmäßigerweise so ausgestaltet, daß der obere Rand der Kanne in eine ringförmige Vertiefung am Kunststoffrand eingreift, wobei sich die innere Wand der ringförmigen Vertiefung an der Innenseite des oberen Glasrandes elastisch abstützt, so daß keine Flüssigkeit zwischen Kunststoffrand und oberen Kannenrand gelangen kann. Zweckmäßigerweise sitzt auch die äußere Wandung der ringförmigen Vertiefung auf der Außenseite der Kanne dicht auf, so daß kein Spülwasser in den Hohlraum gelangen kann.The plastic edge serving as a spout can easily be produced in all desired embodiments - for example with a molded spout. One is not limited to polypropylene, other food-safe plastics that are sufficiently rigid and heat-resistant can also be used. The plastic edge, especially when secured by the handle, can also be attached to the can edge simply by snapping it into place. For this purpose, the rim of the jug is expediently thickened in a bead-like manner so that it can snap into a corresponding recess on the plastic edge. This bayonet-like locking means that both parts are positively connected to one another. The plastic edge is expediently designed so that the upper edge of the jug in one engages annular recess on the plastic edge, the inner wall of the annular recess being elastically supported on the inside of the upper edge of the glass, so that no liquid can get between the plastic edge and the upper edge of the can. Advantageously, the outer wall of the annular recess sits tightly on the outside of the jug so that no rinsing water can get into the cavity.

Bevorzugt wird der Kunststoffrand jedoch, wie beschrieben, vorzugsweise mit einem Schmelzkleber, vorzugsweise Polyamid, am oberen Kannenrand befestigt, wobei der beschriebene Formschluß der zusätzlichen Sicherung beider Teile dienen kann. Der Schmelzkleber füllt zweckmäßigerweise den Hohlraum zwischen Kunststoffrand und oberem Kannenrand zumindest weitgehend aus, so daß dort keine Flüssigkeit eindringen kann.However, as described, the plastic edge is preferably fastened to the upper can edge, preferably with a hot-melt adhesive, preferably polyamide, wherein the positive engagement described can serve to additionally secure both parts. The hot melt adhesive expediently at least largely fills the cavity between the plastic edge and the upper edge of the can, so that no liquid can penetrate there.

Eine sichere und flüssigkeitsdichte Verbindung zwischen Kunststoffrand und Kanne ist in allen Fällen leicht möglich, da die Verbindung - im Gegensatz zum Stand der Technik - vom Gewicht der Kanne entlastet ist.A secure and liquid-tight connection between the plastic edge and the jug is easily possible in all cases, since the connection - unlike the prior art - is relieved of the weight of the jug.

Vorzugsweise ist die Kanne aus Glas gefertigt, da Glas ein preiswerter und hygienischer Rohstoff ist. Für besondere Zwecke kann die Kanne wie auch der Griff aus Glaskeramik, Keramik, Steingut oder Porzellan sein, wobei dann diesen Materialien angepaßte Klebestoffe verwendet werden.The jug is preferably made of glass, since glass is an inexpensive and hygienic raw material. For special purposes, the jug and the handle can be made of glass ceramic, ceramic, earthenware or porcelain, in which case adhesives adapted to these materials are used.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen dargestellt und wird im folgenden näher beschrieben.An embodiment of the invention is shown in the drawings and will be described in more detail below.

Es zeigen:

Fig. 1
einen Querschnitt durch eine erfindungsgemäße Kanne aus Glas mit Kunststoffrand und angeklebtem Griff;
Fig. 2
den oberen Rand einer Kanne mit bajonettartig befestigtem Kunststoffrand.
Show it:
Fig. 1
a cross section through a jug according to the invention made of glass with a plastic edge and glued handle;
Fig. 2
the top of a jug with a bayonet-like plastic edge.

Fig. 1 zeigt eine erfindungsgemäße Kanne 1 mit einem Glasbehälter 2, einem als Ausguß dienenden Kunststoffrand 3, einem Griff 4 und einem Deckel 5. Der Kunststoffrand 3 ist ringförmig und besteht aus einem verhältnismäßig steifen Kunststoff, wie z.B. Polypropylen. In den Kunststoffrand 3 ist eine ringförmige Vertiefung 6 so eingelassen, daß eine kurze innere Wand 7 und eine längere äußere Wand 8 gebildet wird. Das untere Ende 9 der inneren Wand 7 läuft dünn aus und ist flexibel. Einander gegenüberliegend weist der ringförmige Kunststoffrand 3 eine Ausgußtülle 10 und eine Kerbe 11 auf.Fig. 1 shows a jug 1 according to the invention with a glass container 2, a plastic rim 3 serving as a spout, a handle 4 and a lid 5. The plastic rim 3 is ring-shaped and consists of a relatively rigid plastic, such as e.g. Polypropylene. In the plastic edge 3, an annular recess 6 is embedded so that a short inner wall 7 and a longer outer wall 8 is formed. The lower end 9 of the inner wall 7 runs thin and is flexible. Opposite each other, the annular plastic edge 3 has a pouring spout 10 and a notch 11.

Der Glasbehälter 2 hat einen zum Aufsetzen auf eine (nicht dargestellte) Heizplatte geeigneten Boden 12, eine bogenförmig nach oben zulaufende Seitenwand 13 und einen leicht nach außen geneigten Rand 14, wobei der ganze Glasbehälter 2 rotationssymmetrisch ist.The glass container 2 has a base 12 suitable for placement on a heating plate (not shown), an arcuately tapering side wall 13 and a slightly outwardly inclined edge 14, the entire glass container 2 being rotationally symmetrical.

Beim Zusammenbau der Kanne wird die ringförmige Vertiefung 6 teilweise mit einem Schmelzkleber 15, vorzugsweise ein Polyamid-Schmelzkleber, gefüllt und auf den Rand 14 des Glasbehälters 2 gepreßt bis sich die äußere Wand 8 des Kunststoffrandes 3 auf der Außenseite 16 des Glasbehälters 2 abstützt. Dabei kommt die dünn auslaufende innere Wand 7 in Kontakt mit der Innenseite 17 des Randes 14, so daß ein verhältnismäßig glatter Übergang vom Glasbehälter 2 zum Kunststoffrand 3 entsteht. Die Menge des Schmelzklebers 15 ist vorteilhafterweise so bemessen, daß der beim Zusammenfügen entstehende Hohlraum zwischen der ringförmigen Vertiefung 6 und dem Rand 14 mit dem Schmelzkleber 15 zumindest weitgehend ausgefüllt ist.When assembling the jug, the annular recess 6 is partially filled with a hot melt adhesive 15, preferably a polyamide hot melt adhesive, and pressed onto the edge 14 of the glass container 2 until the outer wall 8 of the plastic edge 3 is supported on the outer side 16 of the glass container 2. The thinly tapering inner wall 7 comes into contact with the inside 17 of the edge 14, so that a Relatively smooth transition from the glass container 2 to the plastic edge 3 arises. The amount of hot-melt adhesive 15 is advantageously such that the cavity that is formed when the joint is formed between the annular recess 6 and the edge 14 is at least largely filled with the hot-melt adhesive 15.

Nach dem Aufsetzen des Kunststoffrandes 3 bildet die Kerbe 11 eine Ansatzhilfe für den Griff 4, so daß dieser ohne großen Aufwand dem Ausguß 10 genau gegenüberliegend und in der richtigen Höhe an der Außenseite 16 des Glasbehälters 2 befestigt werden kann. Der Griff 4 weist hierzu eine in die Kerbe 11 passende Nase 18 auf, und wird an seiner zum Glasbehälter 2 weisenden Kontaktfläche 19 mit einem dauerelastischen Silikonkleber 20 beschichtet. Nach dem Zusammenfügen von Griff 4 und Glasbehälter 2 bildet die Nase 18 eine formschlüssige Sicherung des Kunststoffrandes 3. Der Silikonkleber 20 bildet eine, auch für den Einsatz im Hotel- und Gaststättengewerbe geeignete, temperaturwechselfeste, abrißfeste und spülmaschinentaugliche Verbindung zwischen dem Glasbehälter 2 und dem Griff 4.After placing the plastic edge 3, the notch 11 forms a starting aid for the handle 4, so that it can be attached to the spout 10 exactly opposite and at the correct height on the outside 16 of the glass container 2 without great effort. For this purpose, the handle 4 has a nose 18 which fits into the notch 11 and is coated on its contact surface 19 facing the glass container 2 with a permanently elastic silicone adhesive 20. After the handle 4 and the glass container 2 have been joined together, the nose 18 forms a form-fitting securing of the plastic edge 3. The silicone adhesive 20 forms a connection between the glass container 2 and the handle, which is also suitable for use in the hotel and restaurant trade, and is resistant to temperature changes, tear-off and dishwasher-safe 4th

In den Kunststoffrand 3 kann der Deckel 5 mittels Nocken 21 fest eingesetzt werden, wobei eine Aussparung 22 das Ausgießen eines in den Glasbehälter 2 eingefüllten Getränkes gestattet.The lid 5 can be firmly inserted into the plastic rim 3 by means of cams 21, a recess 22 allowing a beverage poured into the glass container 2 to be poured out.

In Fig. 2 ist eine andere Befestigungsmöglichkeit zwischen dem Glasbehälter 102 und dem Kunststoffrand 103 dargestellt. Zum Unterschied zum Kunststoffrand 3 weist die äußere Wand 108 in der ringförmigen Vertiefung 106 eine umlaufende Einbuchtung 123 auf, in die das Ende des Randes 114 einrasten kann. Das Ende des Randes 114 weist hierzu vorzugsweise eine Verdickung 124 auf. Die Einbuchtung 123 ist so in der ringförmigen Vertiefung 106 angebracht, daß beim Einrasten der Verdickung 124 gleichzeitig das untere Ende der äußeren Wand 108 und das dünn auslaufende Ende der inneren Wand 107, wie in der Fig. 1 beschrieben, in Kontakt mit dem Glasbehälter 102 kommt. Der etwas elastische Kunststoff des Kunststoffrandes 103 dichtet dabei auf dem Glas des Glasbehälters 102 ab.Another fastening option between the glass container 102 and the plastic edge 103 is shown in FIG. 2. In contrast to the plastic edge 3, the outer wall 108 has a circumferential indentation 123 in the annular depression 106, into which the end of the edge 114 can snap. The For this purpose, the end of the edge 114 preferably has a thickening 124. The indentation 123 is mounted in the annular recess 106 such that when the thickening 124 engages, the lower end of the outer wall 108 and the thinly tapering end of the inner wall 107, as described in FIG. 1, come into contact with the glass container 102 is coming. The somewhat elastic plastic of the plastic edge 103 seals on the glass of the glass container 102.

Auch in die ringförmige Vertiefung 106 kann, wie in Fig. 1 beschrieben, ein Klebstoff eingefüllt werden. Dieser Klebstoff erhöht die Sicherheit der Verbindung Kunststoffrand 103/Glasbehälter 102 und verhindert gleichzeitig zuverlässig ein eventuelles Eindringen von Flüssigkeit in den zwischen der ringförmigen Vertiefung 106 und dem Rand 114 gebildeten Hohlraum.An adhesive can also be filled into the annular recess 106, as described in FIG. 1. This adhesive increases the security of the connection between the plastic edge 103 and the glass container 102 and at the same time reliably prevents any ingress of liquid into the cavity formed between the annular depression 106 and the edge 114.

Verschiedene Variationen der erfindungsgemäßen Kanne sind möglich. So kann der Glasbehälter 2, 102 z.B. eine im wesentlichen zylindrische Seitenwand 13 haben, der Kunststoffrand 3 kann ohne die innere Wand 7 oder äußere Wand 8 ausgeführt sein, der Kunststoffrand 3 sitzt dann direkt auf dem Ende des Randes 14 auf; die Wandung 25 des Kunststoffrandes 3 kann vielfältig ausgeführt sein, z.B. sehr steil und im Bereich des Ausgusses 10 verhältnismäßig lang; gemeinsam ist dabei immer, daß der Griff 4 an der Seitenwand 13 und nicht am Rand 14 am Glasbehälter 2 befestigt ist, damit die Befestigung des Kunststoffrandes 3 nicht mit dem gesamten Gewicht der Kanne 1 belastet wird.Different variations of the can according to the invention are possible. So the glass container 2, 102 e.g. have a substantially cylindrical side wall 13, the plastic edge 3 can be designed without the inner wall 7 or outer wall 8, the plastic edge 3 then sits directly on the end of the edge 14; the wall 25 of the plastic edge 3 can be designed in various ways, e.g. very steep and relatively long in the area of the spout 10; common is always that the handle 4 is attached to the side wall 13 and not on the edge 14 on the glass container 2, so that the attachment of the plastic edge 3 is not burdened with the entire weight of the jug 1.

Auch andere Befestigungen des Griffes 4 sind möglich, so kann z.B. der Griff mittels eines um den Körper des Glasbehälters herumlaufenden Metallbandes befestigt werden. Auch ein Ankleben einer Grundplatte an dem Glasbehälter und ein Montieren des Griffes an dieser Grundplatte ist möglich.Other attachments of the handle 4 are also possible, for example the handle can be attached to the handle Body of the glass container metal tape running around are attached. It is also possible to glue a base plate to the glass container and mount the handle on this base plate.

Claims (9)

  1. Jug (1), in particular of glass, having a hollow jug body (2) and an opening delimited by an upper rim (14), having a plastics rim (3) which surrounds the upper rim and has a pouring spout (10), and having a handle (4) secured to the outside of the jug body, in the shape of an independent component produced separately from the jug body, characterized by a form-fitting connection (11/18), opposite the pouring spout (10), between the plastics rim (3) and the handle (4).
  2. Jug according to Claim 1, characterized in that the form-fitting connection (11/18) comprises a notch (11) arranged in the plastics rim (3) and a lug (18) arranged on the handle.
  3. Jug according to Claim 1 or 2, characterized in that the plastics rim (3) is connected by adhesive to the upper rim (14) of the jug body.
  4. Jug according to Claim 1 or 2, characterized in that the plastics rim (3) can be latched onto the upper rim (14) of the jug body.
  5. Jug according to one of the preceding claims, characterized in that the handle (4) is of plastics material.
  6. Jug according to one of the preceding claims, characterized in that the handle (4) is joined by adhesive to the jug body (2).
  7. Jug according to one of the preceding claims, characterized in that the upper rim (14) of the jug body (2) is rotationally symmetrical.
  8. Method of producing a jug according to Claim 1, characterized in that the plastics rim (3) having the pouring spout (10) is first placed on the rim (14) of the finished jug body (2) and secured, and in that the handle (3), provided with adhesive (20) on one contact surface (19), is then positioned by joining the form-fitting connection (11/18) opposite the pouring spout (10) and is pressed against the jug body (2) by means of its contact surface (19).
  9. Method according to Claim 8 of producing a jug according to Claim 7, characterized in that the plastics rim (3) is placed at any angular position onto the rotationally symmetrical rim (14) of the jug body (2), and in that the handle (3) provided with adhesive (20) on a contact surface (19) is then positioned by joining the form-fitting connection (11/18) opposite the pouring spout (10) and is pressed against the jug body (2) by means of its contact surface (19).
EP90114741A 1989-08-12 1990-08-01 Hotel jug and method of making the same Expired - Lifetime EP0413196B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3926760A DE3926760A1 (en) 1989-08-12 1989-08-12 HOTEL CAN
DE3926760 1989-08-12

Publications (3)

Publication Number Publication Date
EP0413196A2 EP0413196A2 (en) 1991-02-20
EP0413196A3 EP0413196A3 (en) 1992-04-08
EP0413196B1 true EP0413196B1 (en) 1993-10-06

Family

ID=6387047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90114741A Expired - Lifetime EP0413196B1 (en) 1989-08-12 1990-08-01 Hotel jug and method of making the same

Country Status (5)

Country Link
US (1) US5110016A (en)
EP (1) EP0413196B1 (en)
JP (1) JPH0813291B2 (en)
CA (1) CA2023076C (en)
DE (2) DE3926760A1 (en)

Cited By (1)

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EP1024161A2 (en) 1999-01-29 2000-08-02 Schott Glas Method for securing of plastic parts to jugs

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DE4242987A1 (en) * 1992-12-18 1994-06-23 Braun Ag Glass jug for storing a brewed beverage
DE4426233A1 (en) * 1994-07-23 1996-01-25 Braun Ag Beverage jug with retaining ring
US5988457A (en) * 1998-04-10 1999-11-23 Hp Intellectual Corp. Beverage vessel
DE19930450A1 (en) * 1999-07-02 2001-01-11 Bernd Schreitmueller Borosilicate glass part with plastic connecting element and their use
DE19961245A1 (en) * 1999-12-18 2001-07-12 Schott Glas Cooking equipment
US6561390B2 (en) * 2001-09-17 2003-05-13 Sunbeam Products, Inc. Coffee carafe with hidden handle support
US6968984B2 (en) * 2002-01-10 2005-11-29 Conair Corporation Thermal container
DE10209107A1 (en) * 2002-03-01 2003-09-18 Schott Glas Plastics handle/pourer for a glass coffee jug has a twin-wall structure around the vessel neck, locked to an unbroken ring in a positive fit
FR2841878B1 (en) * 2002-07-08 2004-11-26 Seb Sa COVER FOR A CONTAINER COMPRISING A GLASS CONTAINER
US6755120B1 (en) * 2003-08-13 2004-06-29 Uni-Splendor Corp. Coffeepot
US6997104B1 (en) * 2005-04-14 2006-02-14 Uni-Splendor Corp. Coffee maker
DE102008052028A1 (en) * 2008-10-16 2010-04-29 Wmf Württembergische Metallwarenfabrik Ag Handle for a cooking vessel
AU2015303747A1 (en) * 2014-08-11 2017-01-05 Top Electric Appliances Industrial Ltd. A window assembly for a container and a method of assembling thereof
CN109744869A (en) * 2017-11-08 2019-05-14 广东美的生活电器制造有限公司 Liquid heater

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DE19903479C2 (en) * 1999-01-29 2003-03-20 Schott Glas Process for attaching plastic parts to cans

Also Published As

Publication number Publication date
EP0413196A2 (en) 1991-02-20
CA2023076C (en) 1995-07-18
JPH0390112A (en) 1991-04-16
CA2023076A1 (en) 1991-02-13
EP0413196A3 (en) 1992-04-08
DE59002992D1 (en) 1993-11-11
DE3926760A1 (en) 1991-02-14
JPH0813291B2 (en) 1996-02-14
US5110016A (en) 1992-05-05

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