[특허]Flexible container with pop-up spout

Flexible container with pop-up spout 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-047/06 B65D-033/08 B65D-053/08 B65D-075/00 B65D-075/58 B65D-025/44 B65D-075/56
출원번호	US-0280447 (2016-09-29)
등록번호	US-10173813 (2019-01-08)
발명자 / 주소	Ma, Liangkai Caminero Gomes, Jorge Kaleyta, Scott R. Ramirez, Daniel Jenkins, Ronald K. Church, Kevin L. Zawisza, Jeffrey D. Crabtree, Sam L. Kauffmann, Keith L. Schulz, Peter J. Kohn, John F. Schuette, Chad V.
출원인 / 주소	Dow Global Technologies LLC
대리인 / 주소	Husch Blackwell LLP
인용정보	피인용 횟수 : 0 인용 특허 : 56

초록 ▼

The present disclosure provides a flexible container. In an embodiment, the flexible container includes a first multilayer film and a second multilayer film. Each multilayer film comprises an inner seal layer. The multilayer films are arranged such that the seal layers oppose each other and the second multilayer film is superimposed on the first multilayer film. The multilayer films are sealed along a common peripheral edge. The flexible container includes an orifice in one of the multilayer films, and a pop-up spout extends through the orifice. The pop-up spout has a flange sealed to the multilayer film around the orifice. The pop-up spout comprises an ethylene/α-olefin multi-block copolymer.

대표청구항 ▼

1. A flexible container comprising: a first multilayer film and a second multilayer film, with the second multilayer film superimposed on the first multilayer film, the first multilayer film and the second multilayer film each comprising an inner seal layer, the multilayer films arranged such that the inner seal layers oppose each other, the multilayer films sealed along a common peripheral edge;an orifice in one of the multilayer films;a pop-up spout extending through the orifice and having a flange sealed to the multilayer film around the orifice; andthe pop-up spout comprising an ethylene/α-olefin multi-block copolymer consisting of an ethylene monomer and a C4-C8 α-olefin comonomer. 2. The flexible container of claim 1 wherein the pop-up spout comprises an outlet, a plurality of foldable panels, a plurality of flexible elbows integrally connecting the foldable panels to each other; and the foldable panels and the flexible elbows integrally connecting the flange to the outlet. 3. The flexible container of claim 2 wherein the pop-up spout has a retracted state wherein each flexible elbow is retracted; and a seal film adhesively attached over the pop-up spout to hold the pop-up spout in the retracted state. 4. The flexible container of claim 3 wherein the pop-up spout automatically moves to a neutral state when the seal film is removed from the pop-up spout. 5. The flexible container of claim 4 wherein at least one flexible elbow automatically moves from a retracted state to a fully extended state when the seal film is removed from the pop-up spout. 6. The flexible container of claim 3, wherein the foldable panels emerge outward from the flange, and each of the foldable panels has a radius, with the radius becoming smaller with each foldable panel away from the flange, such that the foldable panels nest concentrically within each other when in the retracted state. 7. The flexible container of claim 2 wherein the pop-up spout has an extended state wherein each flexible elbow is fully extended. 8. The flexible container of claim 7 wherein each flexible elbow has a respective radius of curvature (Rc) when the pop-up spout is in the extended state. 9. The flexible container of claim 2 wherein the pop-up spout defines a channel, and the pop-up spout comprises a flexible valve extending across the channel which opens to permit flow therethrough, the flexible valve comprising the ethylene/α-olefin multi-block copolymer. 10. The flexible container of claim 9 wherein the flexible valve is located in the outlet. 11. The flexible container of claim 1 wherein the pop-up spout is composed of a polymeric blend comprising from greater than 75 wt % to 99 wt of the ethylene/α-olefin multi-block copolymer and from less than 25 wt % to 1 wt % of a high density polyethylene. 12. The flexible container of claim 1 wherein the pop-up spout is an injection molded spout. 13. The flexible container of claim 1, wherein the ethylene/α-olefin multi-block copolymer comprises hard segments consisting of greater than 90 weight percent ethylene and less than 10 weight percent comonomer, and soft segments consisting of ethylene and greater than 5 weight percent comonomer. 14. A flexible container comprising: a front panel and a rear panel, the front panel superimposed on the rear panel;a first gusset panel and a second gusset panel located between the front panel and the rear panel, each panel composed of a multilayer film and each multilayer film comprising an inner seal layer, the panels heat sealed along a common peripheral edge;an orifice in one of the panels; anda pop-up spout extending through the orifice and having a flange sealed to the inner seal layer of the panel at the orifice, the pop-up spout comprising an ethylene/α-olefin multi-block copolymer consisting of an ethylene monomer and a C4-C8 α-olefin comonomer. 15. The flexible container of claim 14 wherein the pop-up spout is located in the front panel. 16. The flexible container of claim 14 wherein the pop-up spout is located in a top segment of the flexible container. 17. The flexible container of claim 14 comprising an upper handle. 18. The flexible container of claim 14 comprising a lower handle. 19. The flexible container of claim 14 wherein the pop-up spout is composed of a polymeric blend comprising from greater than 75 wt % to 99 wt % of the ethylene/α-olefin multi-block copolymer and from less than 25 wt % to 1 wt % of a high density polyethylene. 20. The flexible container of claim 14, wherein the pop-up spout further comprise an outlet and a plurality of foldable panels; and a plurality of flexible elbows integrally connects the foldable panels to each other such that the foldable panels emerge outward from the flange, the foldable panels and the flexible elbows integrally connecting the flange to the outlet, and each of the foldable panels having a radius, with the radius becoming smaller with each foldable panel away from the flange, such that the foldable panels nest concentrically within each other when in the retracted state.

이 특허에 인용된 특허 (56)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Flexible container with pop-up spout 원문보기

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Flexible container with pop-up spout 원문보기

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