WO2011120037A2 - Paille - Google Patents

Paille Download PDF

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Publication number
WO2011120037A2
WO2011120037A2 PCT/US2011/030180 US2011030180W WO2011120037A2 WO 2011120037 A2 WO2011120037 A2 WO 2011120037A2 US 2011030180 W US2011030180 W US 2011030180W WO 2011120037 A2 WO2011120037 A2 WO 2011120037A2
Authority
WO
WIPO (PCT)
Prior art keywords
straw
extensions
drinking
retaining
opening
Prior art date
Application number
PCT/US2011/030180
Other languages
English (en)
Other versions
WO2011120037A3 (fr
Inventor
Jamie M. Wallace
Original Assignee
Wallace Jamie M
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 Wallace Jamie M filed Critical Wallace Jamie M
Priority to US13/637,597 priority Critical patent/US20130020402A1/en
Publication of WO2011120037A2 publication Critical patent/WO2011120037A2/fr
Publication of WO2011120037A3 publication Critical patent/WO2011120037A3/fr

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

Definitions

  • the invention relates to drinking straws, more particularly to a drinking straw with a safety feature to prevent easy removal from a beverage container.
  • a drinking straw is a cylindrical tube having two open ends. One end is placed in a beverage and the other end is placed in a person's mouth. By applying suction through the straw, a small amount of the beverage is drawn up through the straw and into the person's mouth. Because a straw allows a person to drink without having to lift a full cup, straws are often provided to children who would have difficulty drinking from a cup or glass without spilling the contents.
  • Juice box will be used to refer to any type of single serving drink container designed to be consumed with an attached straw.
  • Juice boxes typically come packaged with a straw for consuming the beverage.
  • the straw is typically attached to and removable from the juice box.
  • the attached straw typically has an angle-cut piercing end, while the other rigid section ends in a straight-cut drinking end.
  • the piercing end is designed to pierce the beverage container, for example through a small foil-sealed opening located near the top of the juice box.
  • U.S. Pat. No. 5,897,013 to Manganiello for "Straw for Drinking Cup” teaches a reusable straw and lid assembly where the straw is inserted through an opening in the lid from underneath and a retaining shoulder allows only a predetermined length of the straw to extend above the lid.
  • the apparatus taught by Manganiello is not designed to be disposable. The apparatus is too complicated and difficult to manufacture to be suitable for a one time use. Further, the straw and lid are a complete assembly designed to work together. The straw would not be suitable for use with another lid, such as the typical disposable lids placed on drinks in fast-food restaurants. Finally, the Manganiello straw must be inserted from underneath the lid, making more difficult to use for drinking lids and making it impossible to use with juice boxes and the like.
  • U.S. Pat. No. 5,114,074 to Frauenthal et al. for "Retraction Resistant Straw” describes a straw with a flexible retaining tab secured to the outside of the straw and extending radially. However, to insert the straw into an opening, the tab must first be wrapped around the straw to allow it to pass through the opening in the lid or juice box.
  • Hethal also describes an alternate embodiment where the straw is formed with a truncated cone midway up the length of the straw so that the base of the cone (which is significantly larger in diameter than the straw) is toward the top of the straw. Both of these embodiments, however, would be difficult to use and to manufacture.
  • the tab embodiment requires the user to wrap the tab around the straw before inserting.
  • Preferred embodiments of the present invention provide a drinking straw assembly that can be easily inserted through a lid or into a beverage pouch or box but that cannot be easily removed by a child once the straw is in place. Preferred embodiments are also inexpensive to manufacture so that the products are suitable for use as single-use, disposable straws.
  • FIG. 1 shows a preferred embodiment of a drinking straw according to the present invention as described by Applicant in a previously filed application;
  • FIGS. 2A-2B shows a straw sleeve mounted onto a straw according to an embodiment of the present invention
  • FIG. 2C shows a side view of a straw of a preferred embodiment fully inserted through a lid
  • FIG. 2D shows a bottom perspective view of a preferred embodiment of the present invention fully inserted through a lid with the finger- like mechanisms fully extended;
  • FIGS. 3A and 3B show a straw assembly according to a preferred embodiment of the present invention where the extensions are integral with the straw as described by Applicant in a previously filed application;
  • FIG. 4 shows a straw assembly that includes a straw and a cone shaped straw retainer formed as a single piece as described by Applicant in a previously filed application;
  • FIG. 5 is a perspective view of a drinking straw with retaining extensions according to a preferred embodiment of the present invention.
  • FIGS 6A and 6B show side views of straw with four retaining extensions according to a preferred embodiment of the present invention;
  • FIG. 6C is a perspective view of a drinking straw with retaining extensions according to a preferred embodiment of the present invention.
  • FIGS. 7A-7B show a close up view of the retaining extensions according to a preferred embodiment of the present invention.
  • FIGS. 8A-8C show an exemplary embodiment of the present invention along measurement points for illustrating dimensions
  • FIG. 9 is a front view of the drinking straw with retaining extensions of FIG. 5;
  • FIG. 10 is a back view of the drinking straw with retaining extensions of FIG. 5;
  • FIG. 11 is a left side view of the drinking straw with retaining extensions of FIG. 5;
  • FIG. 12 is a right side view of the drinking straw with retaining extensions of FIG. 5;
  • FIG. 13 is a bottom view of the drinking straw with retaining extensions of FIG. 5;
  • FIG. 14 is a top view of the drinking straw with retaining extensions of FIG. 5;
  • FIG. 15 is a perspective top down view of the drinking straw with retaining extensions of FIG. 6C;
  • FIG. 16 shows an alternative slot arrangement for the retaining according to a preferred embodiment of the present invention.
  • FIG. 17 illustrates an extension bending in the middle rather than at the joint between the extension and the straw body according to a preferred embodiment of the present invention.
  • Preferred embodiments of the present invention provide a drinking straw that can be easily inserted through a lid or into a beverage pouch or box but that cannot be easily removed, for example, by a child, once the straw is in place.
  • a drinking straw according to the present invention should be able to be inserted through a lid or into a beverage pouch or box using substantially the same force required by a prior-art straw.
  • a straw according to the present invention cannot be easily removed.
  • the force required to remove a straw according to the present invention will be substantially greater than the force required to remove a prior-art straw.
  • a drinking straw according to the present invention Due to the relatively weak materials typically used in the construction of beverage lids and the preferred materials used for preferred embodiments of the present invention, an adult would certainly be able to remove a drinking straw according to the present invention; for example by pulling hard enough to tear the beverage lid material or the drinking straw.
  • a drinking straw according to the present invention should be difficult to remove, especially for a child, once inserted through a lid or opening in a beverage container.
  • a preferred method or apparatus of the present invention has many novel aspects, and because the invention can be embodied in different methods or apparatuses for different purposes, not every aspect need be present in every embodiment. Moreover, many of the aspects of the described embodiments may be separately patentable. Although much of this description is directed at a drinking straw for use by children, preferred embodiments would also be suitable for use by the elderly or disabled. Also, drinking straws according to the present invention could be used at zoos or parks where discarded straws may be dangerous to animals or wildlife. Still further, drinking straws according to the present invention may be used ubiquitously as an aid in preventing littering in general. Preferred embodiments of the present invention could also be used simply to prevent straws from accidentally being removed or dropped.
  • FIG. 1 A preferred embodiment of a drinking straw assembly 10 according to the present invention is shown in FIG. 1.
  • Straw 11 can be manufactured according to any suitable known methods, including extrusion type molders which are commonly used in drinking straw manufacture. Straws of various sizes can be used, including straws of a diameter commonly used, for example, in fast-food restaurants (typically 15 mm in diameter and smaller) and straws of a diameter suitable for use in commercially available juice boxes (typically from 3 to 6 mm in diameter).
  • Straw 11 can be formed from any suitable material, as is known in the prior art, including, for example, polypropylene resin.
  • the straw can have an angle-cut piercing lower end for penetrating the foil- sealed opening of some beverage containers, while the top section ends in a straight cut drinking end.
  • Sleeve 12 is placed around the exterior of straw 11.
  • the sleeve can also be formed using extrusion type molders to create the cylindrically shaped sleeve with an internal diameter large enough so that the sleeve will fit tightly around the exterior of the straw.
  • Sleeve 12 is preferably formed from the same material as straw 11.
  • a plurality of finger- like extensions 14 will press flat against the straw when passed through a hole in a lid or juice box in one direction, but will catch against the lid or juice box when the straw is pulled in the opposite direction. As shown in FIG.
  • the distal or upper ends of the extensions will preferably tend to spread out away from the straw so that the overall top diameter 16 of the extensions (including the spaces between the extensions) will be larger and wider at the upper end than the bottom diameter 17 where the extensions attach to or join the sleeve base.
  • the purely longitudinal force of pushing the drinking straw through an opening will push each extension flat against the straw.
  • the straw and sleeve of the present invention can be inserted straight into a typical beverage container or lid just like a prior art straw, with no twisting or specialized motion required.
  • FIGS. 2 A through 2D illustrate the stages of inserting the drinking straw into a standard drink lid 42.
  • the bottom end 44 of the drinking straw (the end opposite the extensions 14) is first passed down through the opening 46 from the top surface 48 of the lid.
  • the downward force will cause the extensions 14 to press flat against the straw 11 and so pass through the opening 46.
  • the distal ends of the extensions (the free ends opposite or away from the sleeve) have passed through the opening, however, they will tend to widen away from the straw body, as shown in FIG. 2C. Any attempt to pull the straw back out of the opening will cause the ends of the extensions to contact the container lid or the portion of the juice box surrounding the opening.
  • the extensions will then be pushed out wide, as shown in FIG. 2D, which will prevent the drinking straw from being easily pulled back through the opening.
  • the extensions themselves will be wide enough to provide sufficient resistance when the straw is pulled in an outward direction.
  • the total widths of the extensions pressed against the underside of the lid (not including the spaces between the extensions) will be approximately equal to the diameter of the straw.
  • Preferred embodiments of the invention can be applied to any size straw and can be used with any commercially available juice box or pouch.
  • Embodiments of the present invention can be used with openings in beverage containers that are only slightly larger than the diameter of the drinking straw and sleeve. Because the extensions will tend to spread out from the straw when no force is being applied and because the extensions will spread out to a much larger diameter when an attempt is made to remove the straw, embodiments of the present invention can also be used with openings that are substantially larger than the diameter of the drinking straw and sleeve.
  • the present invention is not limited to beverage containers with standard insertion holes.
  • Preferred embodiments of the present invention can be used with any typical beverage containers, and can be used with any beverage or liquid such as Hi-C®, Yoplait® yogurt, Coca-Cola® Products, Dr. Pepper® products and any other soft drink.
  • Preferred embodiments of the present invention can be used with drink containers purchased at a restaurant with a lid, or drink containers used in the home with lids or lid- like devices.
  • Drinking straws according to the present invention can be single use, disposable items or can be reusable.
  • a drinking straw according to the present invention can be provided with a drink container, such as the straws typically packaged with juice boxes and pouches, or can be provided separately, for example in a box or package of individual drinking straws that can be used with any desired beverage container.
  • the straw and at least one extension can be formed as a single unit.
  • FIGS. 3A and 3B show a straw assembly 20 where a plurality of extensions 14 are integral with the straw 11.
  • FIG. 3B is a cross-sectional view showing that the extensions 14 and the straw 11 are formed as one piece. Skilled persons will recognize that different numbers of extensions and different shaped extensions can be formed without departing from the spirit and scope of the present invention.
  • FIG. 4 shows a straw that includes a straw shaft 60 and a straw retainer 62 that are also formed as a single piece (like the embodiment shown in FIGS. 3A-3B).
  • Straw retainer 62 is essentially a thin, cone-shaped material that extends from straw shaft 60. Straw retainer 62 can be formed, for example, as the straw is being extruded by forcing material over a cone-shaped mold. Straw retainer 62 is sufficiently flexible so that it can be compressed against straw shaft 60 to be inserted into a beverage container.
  • the cone portion may have one or more slits substantially parallel to the longitudinal axis of straw shaft 60 so as to facilitate compressing the cone when it is inserted into a beverage container.
  • the straw and at least one retaining extension can be formed as a single unit by way of a molding technique, such as injection molding.
  • FIGS. 5-17 show preferred embodiments of straws with four retaining extensions that could be formed, for example, by using a hot runner mold with deep draw injection molding.
  • Preferred embodiments can be formed from any suitable material, including for example high density polyethylene. Simultaneously forming the straw and retaining extension(s) as one piece in this fashion allows the extensions to be made strong enough to resist detaching from the straw under the forces that could be exerted by a child pinching or biting on the extensions.
  • the present invention is not intended as a toy, in the event that a child under the age of 36 months is allowed to pull or chew on the retaining extensions, it is highly desirable that the extensions stay attached to the body of the straw to prevent any possible choking or ingestion hazard.
  • the use of a molding technique also allows the straw to be made in a one-step process, which is more economical from a manufacturing standpoint. Applicant is unaware of any other beverage or soft food straw in the prior art that has ever been made using molding techniques such as injection molding.
  • FIGS. 6 A and 6B show side views and FIGS. 5 and 6C show perspective views of a straw 100 with four retaining extensions 114 integrally formed with the body of the straw 111 according to a preferred embodiment of the present invention.
  • FIGS. 7A-7B show a close up view of the retaining extensions 114 according to a preferred embodiment of the present invention.
  • extensions 114 are formed with a central slot 116 in the center of each extension extending to the joint 117 between the extensions and the straw body.
  • the retaining extensions are integrally formed with the straw body, they can be made mush stronger and more resistant to being torn or pulled away from the straw body, which could potentially create a choking hazard for very young children.
  • the retaining extensions will be strong enough to withstand tension of at least 10 pounds, and more preferably 15 pounds, both in a direction longitudinal to the main axis of the straw and in a direction perpendicular to the long axis, for a period of at least 5 seconds. Because making the extensions strong enough to withstand these forces requires the extensions to be relatively thick and stiff, slots 116 can be formed in the center of the extensions 114 to increase flexibility without substantially compromising the strength and integrity of the extensions.
  • the extensions may be preferable to make the extensions thinner than necessary to withstand the tension forces described above.
  • Integrally forming the straw and retaining extension(s) by a molding technique also allows the angle of the extensions to the body of the straw to be strictly controlled.
  • the angle between the extension and the straw body is approximately 40 degrees, although other angles could be used.
  • a 40 degree angle means that the extension only has to flex by a relatively small amount toward the straw to fit through an opening in a lid (or to be pushed through a foil lid). Also, where extension slots are used, this allows much of the flexure to be in the middle of the extension as shows in FIG. 17, rather than at the joint 217 between the extension and straw.
  • embodiments of the present invention will be able to hold a beverage/food container weighing as much as 8 ounces (provided the lid material holds and the lid remains attached to the container); more preferably as much as 1-2 pounds; even more preferably at least 3 pounds (the approximate weight of a typical extra-large adult fountain drink).
  • extensions are formed at an angle they do not depend upon contact with the underside of a beverage/food container lid to be spread away from the straw as in embodiments described in co-pending U.S. Pat. App. Pub. No. 2009/0256000 by Applicant. This allows embodiments of the present invention to be used with a wider variety of beverage/food containers, including for example, typical soft drink cans.
  • Preferred embodiments of the present invention can also be designed and sized for specific applications.
  • the preferred embodiment shown in FIGS. 8A-8C is sized for use by children with smaller "child-sized" beverage cups or with food containers of yogurt, applesauce, baby food, etc.
  • the measurements described herein are exemplary and can be varied depending upon the intended use of the straw.
  • the overall length 120 of this embodiment is preferably from 4.5 to 6.5 inches. This shorter size will be safer and easier for children to handle because a smaller amount of the straw body extends above the lid.
  • the outer diameter of the straw 124 is approximately 0.3 inches and the inner diameter 122 approximately 0.25 inches.
  • the extensions are preferably less than 0.3 inches in length 132, and more preferably less than 0.25 inches, to make them more difficult to grip and possible tear away from the straw body.
  • the extensions are preferably approximately 0.02 to 0.03 inches in thickness 125, although they may be considerably thicker to ensure that they are sufficiently strong to satisfy the tension requirements described above.
  • the angle 126 between the straw and the extensions in preferably from 30-45 degrees to make the straw with extensions sufficiently easy to insert through a lid opening while providing sufficient lifting strength and allowing the straw to be used even with containers with wide openings such as soft drink cans. As a result of the angle, the top edge of each extension extends approximately 0.15 to 0.2 inches from the straw body.
  • the extensions When pushed through a lid, the extensions will fold inward toward the straw body, the diameter at the top of the extensions is preferably approximately 0.4 inches (only slightly larger than the outer diameter of the straw body). Once inserted through the lid, the extensions will spread back to their original positions with a diameter 132 of approximately 0.65-0.75 inches. Any attempt to pull the straw back out of the opening will cause the ends of the extensions to contact the container lid, which will bend the extensions down making them even wider and preventing the drinking straw from being easily pulled back through the opening.
  • the diameter of the straw plus extensions is no more than 150% of the diameter of the straw body alone.
  • the normal diameter at the top of the extensions (before being compressed) is approximately 250% of the diameter of the straw body alone; while the diameter with the extensions completely spread is more than 300% of the diameter of the straw body alone.
  • the extensions are formed with slots 116 in the center of each extension. These slots, approximately 0.05 to 0.07 inches in width 138, can extend all the way to the straw sidewall or can extend only partially like the slots 216 shown in FIG. 16. As described above, in some preferred embodiments, slots can be used to increase flexibility without substantially compromising the strength and integrity of the extensions. The slots can also allow the extensions to flex toward the middle of the extension length, rather than at the base where the extension connects to the straw body. Flexure at the base could weaken the joint 117 between the extension and the straw body and make it more likely that the extensions could tear away from the body, possibly causing a choking hazard.
  • the extensions are preferably formed from 1-2 inches from the base of the straw (shown by reference number 127).
  • the base of the straw is preferably beveled to an angle 130 of approximately 15 to 25 degrees for easier penetration of the foil-sealed lids or openings of some beverage/food containers. Although other angles could be used, the base is preferably not beveled to a dangerously sharp point where the straw will be used by children.

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  • Packages (AREA)

Abstract

Paille pouvant être aisément insérée à travers un couvercle ou dans un sachet ou un carton de boisson mais qui ne peut être retirée facilement, par exemple, par un enfant, une fois mise en place. Des modes de réalisation préférés de la présente invention permettent d'obtenir un dispositif de paille doté d'un mécanisme rendant le retrait de la paille difficile une fois que celle-ci a été insérée à travers un couvercle ou une ouverture dans un récipient pour boisson. Une ou plusieurs saillies de retenue intégrées s'étendant à partir de la paille créent une force de retenue lorsqu'elles entrent en contact avec le côté inférieur du couvercle d'un récipient, empêchant ainsi la paille d'être tirée hors du récipient. Les modes de réalisation préférés peuvent en outre être fabriqués à faible coût de telle sorte que les produits sont adaptés à une utilisation comme pailles jetables.
PCT/US2011/030180 2010-03-26 2011-03-28 Paille WO2011120037A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/637,597 US20130020402A1 (en) 2010-03-26 2011-03-28 Drinking Straw

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31827110P 2010-03-26 2010-03-26
US61/318,271 2010-03-26

Publications (2)

Publication Number Publication Date
WO2011120037A2 true WO2011120037A2 (fr) 2011-09-29
WO2011120037A3 WO2011120037A3 (fr) 2012-02-23

Family

ID=44673908

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/030180 WO2011120037A2 (fr) 2010-03-26 2011-03-28 Paille

Country Status (2)

Country Link
US (1) US20130020402A1 (fr)
WO (1) WO2011120037A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150059040A (ko) * 2013-11-21 2015-05-29 전상혁 아기들이 안전하게 사용할 수 있는 빨대
EP3685710A1 (fr) * 2019-01-24 2020-07-29 Capri Sun AG Emballage pour boisson avec paille
US11291321B2 (en) 2020-01-06 2022-04-05 Gary J. Pontecorvo Recyclable or reusable straw in container lid assembly

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9173514B2 (en) * 2006-07-14 2015-11-03 Maluki C. Takumah Accessory straws for mixing and consuming a beverage
WO2015085049A1 (fr) * 2013-12-04 2015-06-11 Derasmo David Paille à sangria
US9307851B1 (en) 2014-05-20 2016-04-12 Ashley Monique Rhodes Drinking straw and closure assembly
US20170055743A1 (en) * 2015-05-12 2017-03-02 Alexander A. Jorge Drinking Apparatus
EP3311710B1 (fr) * 2016-10-21 2022-02-23 Tetra Laval Holdings & Finance S.A. Paille pour boisson et procédé de fabrication d'une paille
US11039702B2 (en) 2017-06-12 2021-06-22 April Allen Separable drinking straw to facilitate cleaning of internal walls

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JP2002125831A (ja) * 2000-10-24 2002-05-08 節美 ▲吉▼田 ストロー
JP2004160142A (ja) * 2002-11-13 2004-06-10 Masaaki Miyata 引き抜けずらい飲料用ストロー
KR200440896Y1 (ko) * 2008-03-06 2008-07-07 김광호 빠짐 방지 빨대
US20090256000A1 (en) * 2008-04-15 2009-10-15 Wallace Jamie M Drinking straw

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DE2617832A1 (de) * 1975-05-02 1976-11-11 Willy Gassert Schnellkupplung zum anschliessen und entfernen einer schlauch- oder rohrleitung fuer gasfoermige oder fluessige medien

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
JP2002125831A (ja) * 2000-10-24 2002-05-08 節美 ▲吉▼田 ストロー
JP2004160142A (ja) * 2002-11-13 2004-06-10 Masaaki Miyata 引き抜けずらい飲料用ストロー
KR200440896Y1 (ko) * 2008-03-06 2008-07-07 김광호 빠짐 방지 빨대
US20090256000A1 (en) * 2008-04-15 2009-10-15 Wallace Jamie M Drinking straw

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150059040A (ko) * 2013-11-21 2015-05-29 전상혁 아기들이 안전하게 사용할 수 있는 빨대
KR102157133B1 (ko) * 2013-11-21 2020-09-17 전상혁 아기들이 안전하게 사용할 수 있는 빨대
EP3685710A1 (fr) * 2019-01-24 2020-07-29 Capri Sun AG Emballage pour boisson avec paille
WO2020151874A1 (fr) * 2019-01-24 2020-07-30 Capri Sun Ag Emballage de boisson
US11291321B2 (en) 2020-01-06 2022-04-05 Gary J. Pontecorvo Recyclable or reusable straw in container lid assembly

Also Published As

Publication number Publication date
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US20130020402A1 (en) 2013-01-24

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