EP1225824A2 - Paille utilisee pour boire - Google Patents

Paille utilisee pour boire

Info

Publication number
EP1225824A2
EP1225824A2 EP00974666A EP00974666A EP1225824A2 EP 1225824 A2 EP1225824 A2 EP 1225824A2 EP 00974666 A EP00974666 A EP 00974666A EP 00974666 A EP00974666 A EP 00974666A EP 1225824 A2 EP1225824 A2 EP 1225824A2
Authority
EP
European Patent Office
Prior art keywords
sleeve
drinking straw
color
printed
tubular layer
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Withdrawn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
EP00974666A
Other languages
German (de)
English (en)
Inventor
William James Stephen Barker
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.)
B&H Liquid Crystal Devices Ltd
Original Assignee
B&H Liquid Crystal Devices Ltd
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 B&H Liquid Crystal Devices Ltd filed Critical B&H Liquid Crystal Devices Ltd
Publication of EP1225824A2 publication Critical patent/EP1225824A2/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Withdrawn legal-status Critical Current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
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G21/00—Table-ware
    • A47G21/18—Drinking straws or the like
    • A47G21/182—Drinking straws or the like with means for amusing or giving information to the user

Definitions

  • This invention relates to a drinking straw and a method for its manufacture.
  • the present invention provides a drinking straw comprising a plastics tubular layer and a sleeve in contact with the layer and bearing at least one printed indicium, logo, message, design or the like.
  • Said plastics tubular layer may, for example, be of polypropylene and may comprise color-changing thermochromic resin to give an additional eye-catching feature.
  • the sleeve which is usually of a plastics film material such as extruded polyvinyl chloride, and may have a thickness between and 100 ⁇ iu, preferably 50 ⁇ m, is preferably heat shrunk into place.
  • the sleeve is printed with color-changing ink, and optionally one or more standard non-color-changing inks .
  • Color- changing ink means ink that changes from colorless to colored or opaque, from one color to another, or from opaque to clear under predetermined conditions.
  • the ⁇ riochromic ink which changes color on inserting the straw into a hot or cold drink, may be used.
  • thermochromic ink would change its appearance on insertion into a cold drink at between -5 and 20 °C and more preferably between 0 and 10 °C. It could, however, change by being rubbed or on insertion into a hot drink and thus being heated to between 27 and 65 °C, more preferably between 35 and 55 °C.
  • the color- changing ink may comprise photochromic ink, which responds to light of a specific wavelength, hydrochromic ink, which responds to the presence of moisture, or other color- changing ink.
  • One or more inks may be printed on the outside of the sleeve or the inside, if the sleeve is transparent.
  • the indicium or the like may be printed in a color-changing ink, or it may be printed in a non-color-changing ink with color-changing ink arranged to reveal and/or change the appearance of the indicium or the like under the predetermined conditions. For example, one or more additional words, patterns, shapes, letters, numbers or combinations thereof may be revealed. This may convey an advertising message or design or information required to win a prize.
  • the sleeve is printed with a permanent ink on its outside and a color-changing ink on its inside.
  • the color changing ink is used to print the design or message to be revealed, which is substantially or totally invisible at ambient temperature, and becomes visible when cooled.
  • the straw is to be used in conjunction with a liquid hotter than ambient temperature and the color changing ink is dark (e.g. black) at ambient temperature and masks the design or information to be revealed. On warming, the dark masking layer changes color or loses color and the design beneath (which can be printed in non-color-changing ink) is revealed.
  • a liquid hotter than ambient temperature and the color changing ink is dark (e.g. black) at ambient temperature and masks the design or information to be revealed.
  • the dark masking layer changes color or loses color and the design beneath (which can be printed in non-color-changing ink) is revealed.
  • the invention provides a mechanism for revealing a winning or losing message on a straw when the straw is used to imbibe a liquid.
  • a straw When a straw is used it is usually in front of the user for a period of time, and therefore constitutes an ambient medium for communicating to the user of the straw.
  • the invention has achieved its aim of advertising or performing a promotional game on a drinking straw, and provides an advertising medium which can be displayed to a largely "captive audience".
  • the present invention also provides a method of manufacturing a drinking straw comprising forming a plastics tubular layer and applying a sleeve to the layer, the sleeve bearing at least one printed indicium, logo, message, design or the like.
  • the plastics tubular layer is formed by extruding a material such as polypropylene, optionally containing a color-changing resin.
  • the tubular layer is preferably extruded in a length longer than one straw and cut into appropriate lengths for straws.
  • the sleeve is formed by extruding a plastics film material such as polyvinyl chloride of for - A -
  • the printing comprises the use of a color-changing ink and it may also include the use of a non-color-changing ink.
  • the step of applying the sleeve to the tubular layer may comprise wrapping the sleeve around the tubular layer and heating the sleeve to an elevated temperature (say 150
  • Alternative steps for applying the sleeve to the tubular layer include sonic or heat welding or gluing processes.
  • Figures la and lb show a drinking straw according to an embodiment of the invention
  • Figures 2a and 2b show a drinking straw according to a second embodiment
  • Figures 3a and 3b show a drinking straw according to a third embodiment.
  • FIG. la, 2a and 3a show how three different extruded polypropylene drinking straws appear at ambient temperature.
  • a transparent extruded polyvinyl chloride web has had a message printed with color changing ink, which is invisible at ambient temperature, on one side.
  • a permanently visible message 1 has additionally been printed with non-color-changing ink on the other side of the web. The web has been heat shrunk into place around the straw as a sleeve, so that the optional permanently visible message 1 is on the outside and the invisible message on the inside.
  • the previously invisible message 2 becomes visible.
  • this message 2 is used in conjunction with a promotional game and informs the consumer that he or she has won a prize.
  • the previously invisible message 2 provides additional advertising information.
  • the indicium or the like can comprise a digrammatical or numerical design or a pattern of different colors.

Landscapes

  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Packages (AREA)

Abstract

L'invention concerne une paille utilisée pour boire. Cette paille comporte une couche tubulaire de plastique et un corps en contact avec ladite couche, le corps présente au moins un message imprimé (1) ou élément similaire. Ce corps est rétréci thermiquement de préférence afin d'être mis en place et contient un message supplémentaire (2), invisible à température ambiante, qui apparaît cependant au moment où la paille refroidit, une fois plongée dans une boisson froide.
EP00974666A 1999-10-22 2000-10-23 Paille utilisee pour boire Withdrawn EP1225824A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9925095.3A GB9925095D0 (en) 1999-10-22 1999-10-22 A drinking straw
GB9925095 1999-10-22
PCT/GB2000/004079 WO2001030211A2 (fr) 1999-10-22 2000-10-23 Paille utilisee pour boire

Publications (1)

Publication Number Publication Date
EP1225824A2 true EP1225824A2 (fr) 2002-07-31

Family

ID=10863242

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00974666A Withdrawn EP1225824A2 (fr) 1999-10-22 2000-10-23 Paille utilisee pour boire

Country Status (3)

Country Link
EP (1) EP1225824A2 (fr)
GB (1) GB9925095D0 (fr)
WO (1) WO2001030211A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013049696A2 (fr) * 2011-09-30 2013-04-04 Ribi Hans O Produits consommables-jetables multiélément de pointe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1912368U (de) * 1963-07-25 1965-03-18 Karl Dr Kuester Trinkhalm.
US3957202A (en) * 1975-09-17 1976-05-18 Hornsby Jr James R Novelty drinking straw
JPS648924A (en) * 1987-03-13 1989-01-12 Yoshiyuki Corp Color changeable straw
JPH07136053A (ja) * 1993-11-17 1995-05-30 Sadao Kato ストロー
US5722219A (en) * 1996-12-02 1998-03-03 Dobransky; Mark J. Method of making a drinking straw
US5785171A (en) * 1997-07-02 1998-07-28 Howes; James P. Prize delivery system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0130211A2 *

Also Published As

Publication number Publication date
WO2001030211A3 (fr) 2002-05-10
GB9925095D0 (en) 1999-12-22
WO2001030211A2 (fr) 2001-05-03

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