EP0242637B1 - Längenveränderbares Röhrchen zum Aufnehmen von Getränken - Google Patents

Längenveränderbares Röhrchen zum Aufnehmen von Getränken Download PDF

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Publication number
EP0242637B1
EP0242637B1 EP19870104627 EP87104627A EP0242637B1 EP 0242637 B1 EP0242637 B1 EP 0242637B1 EP 19870104627 EP19870104627 EP 19870104627 EP 87104627 A EP87104627 A EP 87104627A EP 0242637 B1 EP0242637 B1 EP 0242637B1
Authority
EP
European Patent Office
Prior art keywords
straw
diameter
component
straw component
assembly
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
Application number
EP19870104627
Other languages
English (en)
French (fr)
Other versions
EP0242637A1 (de
Inventor
Koichi Inaba
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.)
Sanyo Shiki KK
Original Assignee
Sanyo Shiki KK
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 Sanyo Shiki KK filed Critical Sanyo Shiki KK
Publication of EP0242637A1 publication Critical patent/EP0242637A1/de
Application granted granted Critical
Publication of EP0242637B1 publication Critical patent/EP0242637B1/de
Expired legal-status Critical Current

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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
    • A47G21/00—Table-ware
    • A47G21/18—Drinking straws or the like
    • A47G21/189—Drinking straws or the like telescoping

Definitions

  • the present invention relates to an improvement in the slidably extensible straw assembly according to the preamble of claim 1.
  • the straw assembly attached to a beverage container should be preferably longer than a depth of the beverage container to avoid an inconvenience that the assembly might fall into the container when it is actually used.
  • the assembly which can be conveniently used for this purpose will be substantially longer than the largest dimension of the associated beverage container and, therefore, it will be impossible to attach such straw assembly to said container.
  • Such extensible straw assembly comprising an inner straw component telescopically inserted into an outer straw component is well known, but this straw assembly of prior art has encounted various problems as will be mentioned below because of its construction in which the ends of these inner and outer straw components to be coupled to each other are merely diameter-enlarged.
  • the assembly When the assembly is extended and inserted into the container of beverage in actual use, the assembly can be properly handled so far as the inner straw component is pulled in a proper direction, i.e., with its forward end ahead, but the inner straw component will slip off from the outer straw component if the inner straw component is carelessly pulled out in the opposite direction. Further, such assembly of prior art has no means for reliably maintaining the assembly in the extended state, namely, means by which the straw assembly is prevented from readily contracting again and there is a danger that the straw assembly might contract and fall into the container if a taker of beverage carelessly pushes the assembly against the bottom of the container.
  • This extensible straw assembly is very convenient in that the inner straw component is effectively prevented from accidentally slipping off from the outer straw component and the straw assembly is assured to be maintained in its extended state once it has been fully extended without a danger that the inner straw component might fall into the outer straw component due to a careless handling. Additionally this prior art provides an improved design such that the tapered portion of the outer straw component has its inner surface adapted to be brought into a surface-contact with the outer surface of the inner straw component's blank portion or the diameter-reduced portion formed at the forward end of the outer straw component has an angle of inclination corresponding to that of the diameter-enlarged portion formed at the root of the inner straw component so that no air leakage occurs or air-tightness is assured after the straw assembly has been fully extended.
  • the inner straw component would not be effectively locked by said diameter-reduced portion and slip off from the outer straw component when the user tries to extend the straw assembly with an excessive force in order to overcome said high resistance due to said stickiness.
  • a principal object of the present invention is, in view of the above-mentioned problems, to provide a novel straw assembly used with a beverage container, involving essential improvement such that the inner straw component is effectively held against readily slipping off from the outer straw component, the assembly is reliably maintained in its extended state once the assembly has been fully extended, this extension is easily achieved even by the powerless users such as children or women, the inner and outer straw components are tightly locked by each other at a final stage of the extension, a sufficient air-tightness is assured regardless of more or less dimensional errors and mass-production can be practically adopted.
  • an extensible straw assembly as characterized in claim 1.
  • Such an extensible straw assembly comprises an inner straw component telescopically inserted into an outer straw component, a blank portion of the inner straw component being of a smaller diameter and having adjacent its root an intermediate diameter-enlarged portion, said root having a wider diameter than said intermediate diameter enlarged portion, a blank portion of the outer straw component being of a larger diameter and having adjacent its forward end a stepped portion to define a tapered portion contiguous with said stepped portion, the blank portion of the inner straw component having an outer diameter slightly smaller than an inner diameter of the tapered portion of the outer straw component while the intermediate diameter-enlarged portion of the inner straw component having an outer diameter slightly larger than the inner diameter of the outer straw component tapered portion so that the intermediate diameter-enlarged portion of the inner straw component is tightly engaged with the tapered portion of the outer straw component as the inner and outer straw components are telescopically extended.
  • reference numeral 1 designates a blank portion of an inner straw component having a smaller diameter and having its forward end slant cut to form an oblique end 2.
  • An angle at which the forward end is cut to form said oblique end 2 is so varied as to provide a sharp tip 3 with which a beverage container can be easily pierced by application of a light force.
  • This blank portion 1 of the inner straw component has adjacent its root an intermediate diameter-enlarged portion 5 connected by a stepped portion 4 integrally to said blank portion 1 of the inner straw component and a further diameter-enlarged portion 7 formed at said root itself, which is connected by a gently sloped portion 6 integrally with said intermediate diameter-enlarged portion 5.
  • Reference numeral 8 designates a blank portion of an outer straw component having at its root 9 a diameter-reduced portion serving to hold the inner straw component against slipping off from the outer straw component.
  • This blank portion 8 of the outer straw component has adjacent its forward end a stepped portion 10 of a relatively steep slope to effect diameter-reduction and a tapered portion 11 contiguous with said stepped portion 10.
  • Said blank portion 1 of the inner straw component is telescopically inserted in the blank portion 8 of the outer straw component and the blank portion 1 of the inner straw component has an outer diameter slightly smaller than an inner diameter of the tapered portion 11 formed adjacent the forward end of the outer straw component's blank portion 8 so as to facilitate pulling out of the inner straw component from the outer straw component for extension of the straw assembly.
  • the intermediate diameter-enlarged portion 5 of the inner straw component has an outer diameter slightly larger than the inner diameter of the tapered portion 11 formed adjacent the forward end of the outer straw component to avoid a danger that the inner straw component might be pulled off from the outer straw component at the end of said extension.
  • intermediate diameter-enlarged portion 5 of the inner straw component and the tapered portion 11 formed adjacent the forward end of the outer straw component are brought into a tightly pressurized engagement with each other.
  • the intermediate diameter-enlarged portion 5 of the inner straw component has a longitudinal dimension substantially equal to that of the tapered portion 11 formed at the forward end of the outer straw component in the specific embodiment as shown, the intermediate diameter-enlarged portion 5 may have the dimension larger than that of the tapered portion 11 instead of being equal. In this way, the forward end of the intermediate diameter-enlarged portion 5 projects from the tapered portion -11 after the straw assembly has been fully extended and, accordingly, it is possible to visually confirm that the extension has been completely done.
  • the blank portion 8 of the outer straw component is provided with an inwardly directed positioning projection 13 serving also as a stopper and the diameter-enlarged portion 7 formed at the root of the inner straw component rides over this positioning projection 13 just before said intermediate diameter-enlarged portion 5 and said tapered portion 11 overlap each other.
  • This inwardly directed projection 13 has an inner diameter substantially corresponding to the outer diameter of the inner straw component.
  • the . projection 13 is configured to be longitudinally elongate.
  • the forward end 14 of the projection is substantially perpendicular to the surface of the outer straw component while the root 15 thereof is gently sloped with respect to said surface of the outer straw component.
  • said projection 13 has an elongate shape extending longitudinally along the straw in the embodiment as shown, the projection 13 is never limited to such longitudinally elongate shape and may be of a spot-like or laterally elongate shape.
  • Fig. 5 illustrates another embodiment of the inner straw component.
  • This embodiment is essentially similar to the embodiment of Fig. 4 except that the diameter-enlarged portion 7 formed at the root has an edge 12' which slightly projects outwardly.
  • the edge 12' thus slightly projecting outwards is not only effective for reinforcing the root of the inner straw component but also facilitates a dimensional control of the outer diameter and thereby improves the dimensional precision.
  • Fig. 6 is characterized by the diameter-enlarged portion 7' formed at the root. Namely, the diameter-enlarged portion 7' of Fig. 6 is formed by widening the root toward the end while the diameter-enlarged portion 7 of Figs. 4 and 5 is cylindrical.
  • Fig. 7 illustrates still another embodiment whose intermediate diameter-enlarged portion 5' of the inner straw component as well as the tapered portion 11' formed adjacent the forward end of the outer straw component presents a cross-section which is swollen outwards. This feature contributes to make the pressurized engagement of these portions more reliable.
  • FIG. 8 illustrates further another embodiment in which the positioning projection serving also as the stopper is implemented as an outwardly directed projection 16 formed on the outer periphery of the inner straw component, e.g. on the outer periphery of the intermediate diameter-enlarged portion 5 in the specific embodiment as shown.
  • this construction is advantageous in that the optimal position at which the pulling out of the inner straw component 1 should be stopped is visually confirmed.
  • the inner straw component 1 is telescopically surrounded by the outer straw component 8 with the forward end of the inner straw component 1 slightly projecting out of the outer straw component 8 as seen in Fig. 1 prior to its use, as in the case of the well known extensible straw assembly.
  • said inner straw component 1 is pulled out from the outer straw component with the forward end of said inner straw component held between the user's fingers. Operation of such pulling out can be easily and smoothly done because the inner straw component 1 is of a smaller diameter and the outer diameter thereof is slightly smaller than the inner diameter of the tapered portion 11 formed adjacent the forward end of the outer straw component.
  • the intermediate diameter-enlarged portion 5 of the inner straw component 1 presses against the inner wall of the tapered portion 11 of the outer straw component in a tight engagement therewith, developing an extremely high resistance adapted to reliably prevent the inner straw component 1 from its undesired retraction.
  • the tightly engaged relationship of these both portions contributes also to assure a high air-tightness.

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  • Table Equipment (AREA)

Claims (9)

1. Ausziehbare Halmanordnung zum Aufnehmen von Getränken mit einem inneren Halmelement, welches teleskopartig in ein äußeres Halmelement eingesetzt ist, wobei ein Rohteil (1) des inneren Halmelements einen kleineren Durchmesser und ein Fuß (7) des inneren Halmelements einen erweiterten Durchmesser hat, ein Rohteil (8) des äußeren Halmelements einen größeren Durchmesser und benachbart seinem vorderen Ende einen abgestuften Bereich (10) zur Schaffung eines an den abgestuften Bereich angrenzenden verjüngten Bereichs (11) hat, dadurch gekennzeichnet, daß der Rohteil (1) des inneren Halmelements seinem Fuß (7) benachbart einen Zwischenbereich (5) mit erweitertem Durchmesser hat, wobei der Fuß (7) einen größeren Durchmesser als der Zwischenbereich (5) mit erweitertem Durchmesser hat, und daß der Rohteil (1) des inneren Halmelements einen Außendurchmesser hat, der etwas kleiner ist als ein Innendurchmesser des verjüngten Bereichs (11) des äußeren Halmelements, während der Zwischenbereich (5) mit erweitertem Durchmesser des inneren Halmelements einen Außendurchmesser hat, der etwas größer ist als der Innendurchmesser des verjüngten Bereichs (11) des äußeren Halmelements, so daß der Zwischenbereich (5) mit erweitertem Durchmesser des inneren Halmelements mit dem verjüngten Bereich (11) des äußeren Halmelements eng in Eingriff steht, wenn das innere und das äußere Halmelement teleskopartig auseinandergezogen sind.
2. Ausziehbare Halmanordnung nach Anspruch 1, dadurch gekennzeichnet, daß ein Positioniervorsprung (13, 16) in der Nähe des vorderen Endes des äußeren Halmelements bzw. in der Nähe des Fußes (7') des innern Halmelements vorgesehen ist.
3. Ausziehbare Halmanordnung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Fuß (7) mit erweitertem Durchmesser des inneren Halmelements einen kurzen, geneigten Bereich (6) angrenzend an den Zwischenbereich (5) mit erweitertem Durchmesser und einen im wesentlichen zylindrischen Bereich von größerem Durchmesser angrenzend an den kurzen, geneigten Bereich (6) hat.
4. Ausziehbare Halmanordnung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Fuß (7) mit erweitertem Durchmesser des inneren Halmelements angrenzend an den Zwischenbereich (5) mit erweitertem Durchmesser einen kelchförmigen Bereich (7') hat.
5. Ausziehbare Halmanordnung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Zwischenbereich (5') mit erweitertem Durchmesser des inneren Halmelements und der am vorderen Ende des äußeren Halmelements gebildete verjüngte Bereich (11') mit Bereichen ausgebildet sind, die jeweils nach außen geschwollen sind, so daß diese nach außen geschwollenen Bereiche miteinander in Eingriff stehen, wenn das innere Halmelement voll vom äußeren Halmelement ausgezogen ist.
6. Ausziehbare Halmanordnung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Zwischenbereich (5) mit erweitertem Durchmesser des inneren Halmelements die größere Abmessung als die des verjüngten Bereichs (11) hat, so daß das vordere Ende des Zwischenbereichs (5) mit erweitertem Durchmesser nach dem vollen Ausziehen der Halmanordnung aus dem verjüngten Bereich (11) heraussteht.
7. Ausziehbare Halmanordnung nach Anspruch 2, dadurch gekennzeichnet, daß der Positioniervorsprung (16) als ein nach außen gerichteter Vorsprung verwirklicht ist, der am Außenumfang des inneren Halmelements ausgebildet ist.
8. Ausziehbare Halmanordnung nach Anspruch 2, dadurch gekennzeichnet, daß der Positioniervorsprung (13) eine sich in Längsrichtung des Halms erstreckende, längliche Gestalt hat.
9. Ausziehbare Halmanordnung nach Anspruch 2, dadurch gekennzeichnet, daß der Positioniervorsprung eine seitlich langgestreckte Gestalt hat, die sich quer in Bezug auf die Länge des Halms erstreckt.
EP19870104627 1986-04-22 1987-03-27 Längenveränderbares Röhrchen zum Aufnehmen von Getränken Expired EP0242637B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9137786A JPS62249616A (ja) 1986-04-22 1986-04-22 飲料用伸縮ストロー
JP91377/86 1986-04-22

Publications (2)

Publication Number Publication Date
EP0242637A1 EP0242637A1 (de) 1987-10-28
EP0242637B1 true EP0242637B1 (de) 1990-10-03

Family

ID=14024680

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870104627 Expired EP0242637B1 (de) 1986-04-22 1987-03-27 Längenveränderbares Röhrchen zum Aufnehmen von Getränken

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EP (1) EP0242637B1 (de)
JP (1) JPS62249616A (de)
DE (1) DE3765288D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH073981Y2 (ja) * 1989-02-22 1995-02-01 昭和電工株式会社 ２段式ストロー
JPH03188807A (ja) * 1989-12-20 1991-08-16 Sanyo Shiki Kk 飲料用伸縮ストロー
US20160220051A1 (en) * 2015-01-30 2016-08-04 Claire Ellen CAHOON Drinking Straw with Flavored Insert
CN109016547B (zh) * 2018-07-14 2020-08-25 天津市泉雨铮塑料制品有限公司 伸缩吸管成型组装生产线
CN109016546B (zh) * 2018-07-14 2020-08-25 天津市泉雨铮塑料制品有限公司 一种伸缩吸管加工生产线
GR1009805B (el) * 2018-12-11 2020-09-02 Ιωαννης Ευαγγελου Τσιγκας Συναρμολογουμενο μεταλλικο καλαμακι πολλαπλων χρησεων
DE102019104588A1 (de) * 2019-02-22 2020-08-27 5G Investment GmbH & Co. KG Längenveränderlicher Trinkhalm
LT4000474T (lt) 2020-11-13 2023-06-12 International Tobacco Machinery Poland Sp. Z O.O. Sustumiamas geriamasis šiaudelis
CN112914334A (zh) * 2021-01-27 2021-06-08 广东酷尔科技有限公司 一种吸管套件

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0139074A3 (de) * 1983-04-11 1985-06-05 Sanyo Shiki Kabushiki Kaisha Teleskopischer Trinkstrohhalm
EP0172395A1 (de) * 1984-07-27 1986-02-26 Overbeck GmbH & Co. Längenveränderbarer Trinkhalm sowie Verfahren und Vorrichtung zum Herstellen desselben
EP0176608A1 (de) * 1984-09-28 1986-04-09 Ab Tetra Pak Trinkstrohhalm

Also Published As

Publication number Publication date
EP0242637A1 (de) 1987-10-28
JPH0149513B2 (de) 1989-10-25
JPS62249616A (ja) 1987-10-30
DE3765288D1 (de) 1990-11-08

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