Self collapsible blow moulded plastic thin-walled containers and a dispensing method using same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-083/00
B64D-001/02
B65B-011/02
B29C-033/00
B29C-049/08
B29C-049/16
B29C-049/48
B65D-001/02
B65D-071/00
B65D-071/02
B65D-001/40
B65D-085/16
B67D-003/00
B29L-023/00
B29K-067/00
B65B-027/04
출원번호
US-0758330
(2012-12-28)
등록번호
US-9828166
(2017-11-28)
국제출원번호
PCT/EP2012/077069
(2012-12-28)
국제공개번호
WO2014/101956
(2014-07-03)
발명자
/ 주소
Bouffand, Marie-Bernard
Colloud, Alain
Gehringer, Christine
Jeziorska, Jr., Agnieszka
출원인 / 주소
SOCIETE ANONYME DES EAUX MINERALES D'EVIAN et en abrégé “S.A.E.M.E.”
대리인 / 주소
Clark & Brody
인용정보
피인용 횟수 :
0인용 특허 :
11
초록▼
A blow molded bottle (1): a) which is self-collapsible during its emptying; b) which comprises at least two transversal grooves and/or ribs (6.1), preferably located in the tubular body portion (6), equipped with collapse starters (6.2); c) wherein the mean wall thickness (Tmean) of the tubular body
A blow molded bottle (1): a) which is self-collapsible during its emptying; b) which comprises at least two transversal grooves and/or ribs (6.1), preferably located in the tubular body portion (6), equipped with collapse starters (6.2); c) wherein the mean wall thickness (Tmean) of the tubular body portion (6) is—in an increasing order of preference—less than or equal to 200; 180; 160; 150 μm; preferably comprised between 65 and 150; and more preferably comprised between 90 and 130 μm. The invention also discloses a method, a preform (100) and a mold for the manufacture of the aforementioned container by blow molding. The invention also discloses a method for bottling liquid into the bottles (1), a method for dispensing the liquid, a dispenser for implementing the method and a method for packing the thin-walled bottles, in view of storage and transportation.
대표청구항▼
1. A plastic thin-walled container having: a top part;a tubular body portion;and a bottom structure opposite to the top part; wherein a) said plastic thin-wall container is self-collapsible during emptying of said plastic thin-walled container, said plastic thin-walled container being configured to
1. A plastic thin-walled container having: a top part;a tubular body portion;and a bottom structure opposite to the top part; wherein a) said plastic thin-wall container is self-collapsible during emptying of said plastic thin-walled container, said plastic thin-walled container being configured to collapse when set upside down during emptying without any additional force;b) said plastic thin-walled container comprises at least two transversal grooves located in the tubular body portion, at least some of the transversal grooves being equipped with at least two collapse starters;c) a mean wall thickness of the tubular body portion is between 65 μm and 150 μm. 2. The plastic thin-walled container according to claim 1, wherein stretching ratios are: hoop stretch ratio: 4.0-6.5;axial stretch ratio: 2.8-5.0; andoverall stretch ratio: 11.20-32.5. 3. The plastic thin-walled container according to claim 1, wherein said plastic thin-walled container is manufactured by a blow molding process. 4. The plastic thin-walled container according to claim 1, wherein said plastic thin-walled container is a bottle and that a top part thereof includes: a neck end;a neck support ring;a neck;and in that a shoulder joins the neck to the tubular body portion. 5. The plastic thin-walled container according to claim 1, having a volume of at least 2 liters. 6. The plastic thin-walled container according to claim 1, wherein collapse starters extend inwardly -recess- or outwardly -pin- with respect to a longitudinal axis of the plastic thin-walled container. 7. The plastic thin-walled container according to claim 1, wherein the transversal groove or rib has a shape in straight longitudinal section chosen from the group consisting of a U-shape; V-shape and combinations thereof. 8. The plastic thin-walled container according to claim 1, wherein the tubular body portion is cylindrical, polyhedral or comprises plane face(s) and curved face(s). 9. The plastic thin-walled container according to claim 1, wherein the plastic is chosen among polymers which exhibit strain hardening when the polymers are elongated. 10. The plastic thin-walled container according to claim 1, wherein said plastic thin-walled container includes at least one terminal retractable part, which is in at least one of the top part and a bottom structure of the plastic thin-walled container. 11. The plastic thin-walled container according to claim 10, wherein the terminal retractable part comprises at least one retractation starter. 12. A method for dispensing a liquid contained in the plastic thin-walled container according to claim 1, wherein:1. said filled plastic thin-walled container is set up-side down on a dispenser comprise at least a valve for controlling the flowing of the liquid;2. the valve for controlling the dispensing of the liquid is opened;3. the liquid flows out and the plastic thin-walled container self collapses;4. the valve for controlling the flowing of the liquid is closed to stop the flowing and the self-collapse;5. the collapsed plastic thin-walled container is withdrawn of the dispenser and replaced by a filled plastic thin-walled container as soon as the collapsed plastic thin-walled container does not dispense liquid any longer. 13. The plastic thin-walled container according to claim 1, wherein at least some of the transversal grooves or ribs are equipped with at least 4 collapse starters. 14. The plastic thin-walled container according to claim 1, wherein at least some of the transversal grooves or ribs are equipped with between 4 and 8 collapse starters. 15. The plastic thin-walled container according to claim 1, wherein the mean wall thickness of the tubular body portion is comprised between 90 μm and 130 μm. 16. The plastic thin-walled container according to claim 2, wherein: the hoop stretch ratio is 4.2-6.0;the axial stretch ratio is 3.0-4.5; andthe overall stretch ratio is 12.6-27.0. 17. The plastic thin-walled container according to claim 3, wherein said plastic thin-walled container is manufactured by an injection stretch blow molding process. 18. The plastic thin-walled container according to claim 5, wherein the volume is of at least 3 liters. 19. The plastic thin-walled container according to claim 5, wherein the volume is of at least 5 liters. 20. The plastic thin-walled container according to claim 5, wherein the volume is comprised in a range of 2-20 liters. 21. The plastic thin-walled container according to claim 5, wherein the volume is comprised in a range of 7.5-12.5 liters. 22. The plastic thin-walled container according to claim 8, wherein the tubular body portion comprises substantially plane face(s) linked by curved face(s). 23. The plastic thin-walled container according to claim 9, wherein the plastic is chosen among the polyesters. 24. The plastic thin-walled container according to claim 9, wherein the plastic is chosen among the aromatic polyesters. 25. The plastic thin-walled container according to claim 9, wherein the plastic is chosen in the group comprising: PolyEthylene Terephtalate (PET), PolyEthyleneNaphtalate(PEN), PolyEthylene Furanoate (PEF) and PolyPropylene Terephtalate (PPT). 26. The plastic thin-walled container according to claim 11, wherein the at least one retractation starter is at least one of a groove, a folding line and a rib.
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