Cup with integral closure flaps restricting spillage
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-003/06
B65D-003/20
B65D-003/30
출원번호
US-0403481
(2013-05-27)
등록번호
US-9321551
(2016-04-26)
우선권정보
IE-S2012/0245 (2012-05-25)
국제출원번호
PCT/EP2013/060889
(2013-05-27)
국제공개번호
WO2013/175020
(2013-11-28)
발명자
/ 주소
Lu, Wei
Duggan, Kenneth
출원인 / 주소
HANPAK LIMITED
대리인 / 주소
Hoffmann & Baron, LLP
인용정보
피인용 횟수 :
1인용 특허 :
7
초록▼
The present invention relates to a container (1) comprising a wall (2) having a closed base (4) at one end and a generally circular or oval rim (5) of at an opposite end, the rim defining a top opening (6) of the container. The container (1) further comprises an arrangement of flaps (70, 80) whereby
The present invention relates to a container (1) comprising a wall (2) having a closed base (4) at one end and a generally circular or oval rim (5) of at an opposite end, the rim defining a top opening (6) of the container. The container (1) further comprises an arrangement of flaps (70, 80) whereby the counteracting forces between a rim of a first flap (70) and the inner face of a second flap (80) are sufficient to push the respective rim and the inner face together into a tight contact. A closure arrangement (300a, 300b) is provided to restrict flap openings (100a, 100b) formed at or below the rim (5) of the container between the flaps (70, 80) to prevent splashing and reduce the rate of spillage if the container is knocked over. The present invention thus improves the spill-resistant properties for the container (1), while, if required for drinking or pouring, permitting the container to allow the passage of a liquid when tilted for drinking and pouring.
대표청구항▼
1. A container comprising a wall having a closed base at one end and a generally circular or oval rim of at an opposite end, the rim defining a top opening of the container, the container further comprising: a pair of substantially arcuate crease lines formed in the wall of the container at opposite
1. A container comprising a wall having a closed base at one end and a generally circular or oval rim of at an opposite end, the rim defining a top opening of the container, the container further comprising: a pair of substantially arcuate crease lines formed in the wall of the container at opposite sides of the wall below the rim; wherein each crease line has first and second ends coinciding with the rim; wherein each crease line and the portion of the rim between the first and second ends of the crease line define a flap having an outer face and an inner face; wherein each crease line is configured to act as a hinge allowing each flap to toggle between two stable positions upon application of an initial external force on the flap, the two stable positions being an open upright position in which the flap is convex and forms part of the wall of the container, and a closed slanted position in which the flap changes its shape to concave; wherein the resilience of the flap material causes the flap to complete the toggle and prevents the flap from stopping in a position intermediate the open upright and the closed slanted positions; andthe length of each crease line and the shortest distance between a point of the crease line axially most remote from the rim of the flap and the rim are selected such that when the flaps are closed, each flap assumes a slanted orientation in relation to the base of the container, whereby the rim of a first flap impinges against the inner face of the second flap whereby the second flap remains statically forced against the rim of the first flap due to the resilience of the material of the container thereby forming a seal between the rim of the first flap and the inner face of the second flap, whereby the two flaps form a double slope roof across the top opening of the container,characterised in that the container further comprises a closure arrangement operable to restrict at least one flap opening defined at or adjacent positions where the ends of each crease line coincide with the rim of the container when the flaps are folded, wherein the closure arrangement comprises at least one wing which extends from a location on the container wall downwardly spaced from the flap opening and underneath the flap opening when the flaps are in the closed slanted position, wherein the flap opening remains open for passage of a liquid when the container is tilted, enabling drinking or pouring from the container. 2. A container as claimed in claim 1, wherein each wing is operable to pivot about the container wall to restrict the flap opening. 3. A container as claimed in claim 1, wherein each wing comprises creases and/or folds. 4. A container as claimed in claim 1, wherein each wing is connected to the container by an adhesive, by an ultrasonic weld and/or with the use of heat sealing. 5. A container as claimed in claim 1, wherein each wing is integrally formed with the container. 6. A container as claimed in claim 1, wherein each wing is anchored to the container wall by an anchor tab such that the wing pivots on the anchor tab. 7. A container as claimed in claim 6, wherein the anchor tab and the wing are folded together against the container wall. 8. A container as claimed in claim 6, wherein the anchor tab is connected to the container by an adhesive, by an ultrasonic weld and/or with the use of heat sealing. 9. A container as claimed in claim 6, wherein the anchor tab is integrally formed with the container. 10. A container as claimed in claim 1, in which the closure arrangement comprises a pair of wings, each wing extending from the container wall underneath a flap opening when the flaps are in the closed slanted position. 11. A container as claimed in claim 1, which is made from a flexible resilient material. 12. A container as claimed in claim 1, in which a comb type edge is provided along the upper edge of the or each wing. 13. A container as claimed in claim 1, in which strengthening means are provided on the periphery of the wall of the container. 14. A container as claimed in claim 13 in which the strengthening means is selected from the group comprising bands, crease lines, grooves and ribs. 15. A container comprising a wall having a closed base at one end and a generally circular or oval rim of at an opposite end, the rim defining a top opening of the container, the container further comprising: a pair of substantially arcuate crease lines formed in the wall of the container at opposite sides of the wall below the rim; wherein each crease line has first and second ends coinciding with the rim; wherein each crease line and the portion of the rim between the first and second ends of the crease line define a flap having an outer face and an inner face; wherein each crease line is configured to act as a hinge allowing each flap to toggle between two stable positions upon application of an initial external force on the flap, the two stable positions being an open upright position in which the flap is convex and forms part of the wall of the container, and a closed slanted position in which the flap changes its shape to concave; wherein the resilience of the flap material causes the flap to complete the toggle and prevents the flap from stopping in a position intermediate the open upright and the closed slanted positions; andthe length of each crease line and the shortest distance between a point of the crease line axially most remote from the rim of the flap and the rim are selected such that when the flaps are closed, each flap assumes a slanted orientation in relation to the base of the container, whereby the rim of a first flap impinges against the inner face of the second flap whereby the second flap remains statically forced against the rim of the first flap due to the resilience of the material of the container thereby forming a seal between the rim of the first flap and the inner face of the second flap, whereby the two flaps form a double slope roof across the top opening of the container,characterised in that the container further comprises a closure arrangement operable to restrict at least one flap opening defined at or adjacent positions where the ends of each crease line coincide with the rim of the container when the flaps are folded, in which the closure arrangement comprises at least one tab for restricting the flap opening, wherein the at least one tab is located at a region of the container where the at least one flap opening is defined at or adjacent the positions where the ends of each crease line coincide with the rim of the container, and wherein when the flaps are toggled into the closed slanted position each tab pivots about a fold line so that portions of the tab on either side of the fold line which project above the rim of the container are folded together above the flap opening and restrict the flap opening. 16. A container as claimed in claim 15, wherein each tab projects from the rim of the container when the flaps are in the open upright position. 17. A container as claimed in claim 15, wherein each tab projects substantially upright from the rim of the container when the flaps are in the open upright position. 18. A container as claimed in claim 15, wherein each tab is fixed to the container by an adhesive, by an ultrasonic weld and/or with the use of heat sealing. 19. A container as claimed in claim 15, wherein each tab is integrally formed with the container. 20. A container as claimed in claim 15, wherein each tab comprises an inner face and an outer face, wherein an adhesive is provided on the inner face. 21. A container as claimed in claim 15, in which the closure arrangement comprises a pair of tabs, each tab for restricting a flap opening.
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이 특허에 인용된 특허 (7)
Morris,Jeffrey M.; Wheeler,David C., Cup lid apparatus.
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