Stackable, flexible, intermediate bulk bag container having corner baffles
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65B-001/04
B65D-033/02
B65D-088/16
출원번호
US-0223673
(2014-03-24)
등록번호
US-9394082
(2016-07-19)
발명자
/ 주소
Nattrass, David
출원인 / 주소
Bulk Lift International, Inc.
대리인 / 주소
Booth Udall Fuller, PLC
인용정보
피인용 횟수 :
0인용 특허 :
17
초록▼
A bulk container bag of a flexible fabric has an essentially cubic configuration wherein vertically extending baffles are provided in the interior corners of the bags to permit the bags to better retain their cubic configuration and to improve stability when filled. The baffles have slits defining f
A bulk container bag of a flexible fabric has an essentially cubic configuration wherein vertically extending baffles are provided in the interior corners of the bags to permit the bags to better retain their cubic configuration and to improve stability when filled. The baffles have slits defining flaps, alternatively, apertures and flaps, so that the loose granular material captures the flaps after it is filled in the bulk container bag. A method of filling the bag with granular materials is also provided.
대표청구항▼
1. A method of loading a flexible container bag with granular materials, the container bag comprising an exterior body including plural sidewalls of flexible material, corners to define a rectangular configuration; baffles to maintain the rectangular configuration, at least one of the baffles having
1. A method of loading a flexible container bag with granular materials, the container bag comprising an exterior body including plural sidewalls of flexible material, corners to define a rectangular configuration; baffles to maintain the rectangular configuration, at least one of the baffles having a first aperture and additional apertures vertically oriented relative to the first aperture, the baffles and plural sidewalls forming an interior volume in the container bag and the baffles and corners defining a corner volume between the baffles and each corner; and a first aperture flap at least partially covering at least the first aperture, the method comprising: loading granular material into the interior volume;causing the granular material to rise above the level of the first aperture within the interior volume and then to flow through the first aperture into the corner volume;pushing the first aperture flap away from the interior volume and into the corner volume as the granular material flows through the first aperture; andcontinuing to load granular material into the interior volume so that granular material flows into the corner volume through an aperture disposed above the first aperture and settles onto the first aperture flap that is pushed into the corner volume so as to capture the first aperture flap within the granular material. 2. The method of claim 1, wherein the container bag further comprises a second aperture disposed above the first aperture, the second aperture being covered by a second aperture flap, the method further comprising: loading sufficient granular material into the interior volume to inundate the second aperture so as to push the second aperture flap into the corner volume and covering the second aperture with sufficient granular material displaced into the corner volume through an aperture disposed above the second aperture so as to settle over the second aperture flap. 3. The method of claim 1, further comprising: continuing to load granular material into the interior volume in a quantity sufficient to cause the granular material to flow through all the apertures and onto the first flap and all flaps above the first flap so as to inhibit vertical and/or horizontal displacement of the baffle and sidewalls of the container bag, thereby to inhibit shifting of the bag contents during transport. 4. The method of claim 1, wherein the first aperture flap substantially covers the first aperture before loading of the flexible container bag with the granular material. 5. The method of claim 1, wherein the granular material applies pressure to opposing first and second surfaces of the first aperture flap to inhibit flow of the granular material through the first aperture after the granular material has risen within the corner volume above the level of the first aperture and the first aperture flap is captured in the granular material. 6. The method of claim 1, wherein the flexible container bag maintains a square profile to avoid gaps between flexible container bags when two or more flexible container bags are placed adjacent each other. 7. A method of loading a flexible container bag with granular material, comprising: providing the flexible container bag comprising an exterior body, a baffle coupled to the exterior body to divide a corner volume from an interior volume and maintain a configuration of the flexible container bag, a first aperture formed through the baffle, and a first aperture flap that at least partially covers the first aperture;loading granular material into the flexible container bag to a height greater than a height of the first aperture such that a portion of the granular material flows through the first aperture toward the corner of the exterior body;pushing, by flow of the granular material, a portion of the first aperture flap away from the first aperture toward the corner of the exterior body; andcapturing the first aperture flap within the granular material with a first portion of the granular material disposed below and in contact with the first aperture flap and a second portion of the granular material disposed above and in contact with the first aperture flap. 8. The method of claim 7, further comprising: providing a second aperture disposed above the first aperture, the second aperture being covered by a second aperture flap;loading granular material into the flexible container bag to a height greater than a height of the second aperture such that a portion of the granular material flows through the second aperture toward the corner of the exterior body; andpushing, by flow of the granular material, a portion of the second aperture flap away from the second aperture toward the corner of the exterior body such that the second aperture flap is captured within the granular material with the second portion of the granular material disposed below and in contact with the second aperture flap and a third portion of the granular material disposed above and in contact with the second aperture flap. 9. The method of claim 7, further comprising pushing a cut bend or point of the first aperture flap opposite a base of the first aperture flap away from the baffle toward the corner of the exterior body, while the base of the first aperture flap remains in contact with the baffle. 10. The method of claim 7, wherein the first aperture flap substantially covers the first aperture before loading of the flexible container bag with the granular material. 11. The method of claim 7, wherein the granular material applies pressure to opposing first and second surfaces of the first aperture flap to inhibit flow of the granular material through the first aperture after the granular material has risen within the corner volume above the level of the first aperture and the first aperture flap is captured in the granular material. 12. The method of claim 7, wherein the flexible container bag maintains a square profile to avoid gaps between flexible container bags when two or more flexible container bags are placed adjacent each other. 13. The method of claim 7, further comprising anchoring in place by frictional tension the first aperture flap to provide increased load stability and a more equivalent tension between the baffle and the exterior body than there would be between the baffle and the exterior body without the first aperture flap. 14. A method of loading a flexible container bag with granular material, comprising: providing the flexible container bag comprising an exterior body, a baffle coupled to the exterior body to maintain a configuration of the flexible container bag, a first aperture formed through the baffle, and a first aperture flap that at least partially covers the first aperture;loading granular material into the flexible container bag to a height greater than a height of the first aperture such that a portion of the granular material flows through the first aperture;pushing, by flow of the granular material, a portion of the first aperture flap away from the first aperture; andcapturing the first aperture flap within the granular material. 15. The method of claim 14, further comprising: providing a second aperture disposed above the first aperture, the second aperture being covered by a second aperture flap;loading granular material into the flexible container bag to a height greater than a height of the second aperture such that a portion of the granular material flows through the second aperture;pushing, by flow of the granular material, a portion of the second aperture flap away from the second aperture; andcapturing the second aperture flap within the granular material with the second portion of the granular material disposed below and in contact with the second aperture flap and a third portion of the granular material disposed above and in contact with the second aperture flap. 16. The method of claim 14, further comprising pushing a cut bend or point of the first aperture flap opposite a base of the first aperture flap away from the baffle toward a corner of the exterior body, while the base of the first aperture flap remains in contact with the baffle. 17. The method of claim 14, wherein the first aperture flap substantially covers the first aperture before loading of the flexible container bag with the granular material. 18. The method of claim 14, wherein the granular material applies pressure to opposing first and second surfaces of the first aperture flap to inhibit flow of the granular material through the first aperture. 19. The method of claim 14, wherein the flexible container bag maintains a square profile to avoid gaps between flexible container bags when two or more flexible container bags are placed adjacent each other. 20. The method of claim 14, further comprising anchoring in place by frictional tension the first aperture flap to provide increased load stability and a more equivalent tension between the baffle and the exterior body than there would be between the baffle and the exterior body without the first aperture flap.
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이 특허에 인용된 특허 (17)
Nickell Craig Alan (Sherman TX) Kellenberger David D. (Denison TX) Derby Norwin C. (Sherman TX), Baffle liner.
Boots Gerardus A. M. (J. Kruyverstraat 26 1507 WH Zaandam NLX), Container comprising a relatively stiff, form-retaining supporting frame and a flexible shell member arranged therein.
Kelley Robert G. (South Jordan UT) Wadium Christopher S. (Salt Lake City UT) Giles Don G. (Salt Lake City UT), Multi-station filling apparatus and process for filling bulk containers.
Polett Walter J. (P.O. Box 55 Mount Holly NJ 08060) Polett Muriel S. (P.O. Box 55 Mount Holly NJ 08060), Structurally-enhanced flexible bulk container.
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