Formed inflatable cellular cushioning article and method of making same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-001/00
B32B-003/20
B65D-081/02
B65D-085/00
출원번호
UP-0084916
(2005-03-21)
등록번호
US-7807253
(2010-10-26)
발명자
/ 주소
Kannankeril, Charles
출원인 / 주소
Sealed Air Corporation (US)
대리인 / 주소
Hurley, Jr., Rupert B.
인용정보
피인용 횟수 :
13인용 특허 :
30
초록▼
An inflatable article has a first film bonded to a second film so as to provide between the first film and the second film a plurality of inflatable chambers, each of the inflatable chambers containing a plurality of cells. Each of the cells is connected to at least one adjacent cell by an inflatabl
An inflatable article has a first film bonded to a second film so as to provide between the first film and the second film a plurality of inflatable chambers, each of the inflatable chambers containing a plurality of cells. Each of the cells is connected to at least one adjacent cell by an inflatable connecting channel. The first film is bonded to the second film between adjacent inflatable chambers. The first film and the second film each have at least one formed region corresponding with a location of a cell, with the at least one formed region of the second film being nested into the at least one formed region of the first film. Also disclosed are processes of making the inflatable article.
대표청구항▼
What is claimed is: 1. An inflatable article comprising a first film bonded to a second film so as to provide between the first film and the second film a plurality of inflatable chambers comprising a plurality of cells, with each of the cells in the chambers being connected to at least one adjacen
What is claimed is: 1. An inflatable article comprising a first film bonded to a second film so as to provide between the first film and the second film a plurality of inflatable chambers comprising a plurality of cells, with each of the cells in the chambers being connected to at least one adjacent cell by an inflatable connecting channel, the first film being bonded to the second film between adjacent inflatable chambers, the first film and the second film each having a plurality of formed regions, the formed regions corresponding with locations of the cells and locations of the connecting channels, with each of the formed regions of the second film being nested into each of the formed regions of the first film. 2. The inflatable article according to claim 1, wherein each of the formed regions of each of the cells is surrounded by an unformed, unbonded region of the film for enveloping a single inflatable cell. 3. The inflatable article according to claim 1, wherein the inflatable chambers extend transversely across the inflatable article. 4. The inflatable article according to claim 1, wherein the first film is bonded to the second film with a heat seal. 5. The inflatable article according to claim 1, wherein the first film has a unit weight of from 20 to 250 grams per square meter and the second film has a unit weight of from 20 to 250 grams per square meter. 6. The inflatable article according to claim 1, wherein the formed regions in the first film and the second film have a maximum dimension of from 0.25 to 3 inches. 7. The inflatable article according to claim 1, wherein the first film has a unit weight of from 60 to 250 grams per square meter and the second film has a unit weight of from 60 to 250 grams per square meter, and the formed regions in the first film and the second film have a maximum dimension of from 0.5 to 6 inches. 8. The inflatable article according to claim 1, wherein the formed regions in the first film have a height of from about 1 millimeter to about 50 millimeters, and the formed regions in the second film and the second film have a height of from about 1 millimeter to about 50 millimeters. 9. The inflatable article according to claim 1, wherein the first film has a thickness of from about 0.5 to about 6 mils and the second film has a thickness of from about 0.5 to about 6 mils. 10. The inflatable article according to claim 1, further comprising an open inflation skirt along a first edge running the length of the article. 11. The inflatable article according to claim 1, further comprising a closed inflation manifold running the length of the article. 12. The inflatable article according to claim 11, wherein the closed inflation manifold extends along a first edge of the inflatable article, with the plurality of inflatable chambers extending from the inflation manifold across the inflatable article. 13. The inflatable article according to claim 11, wherein a plurality of inflatable chambers extends from a first side of the inflation manifold and a plurality of inflatable chambers extends from a second side of the inflation manifold, with the inflatable chambers which extend from the first side of the inflation manifold extending across the inflatable article towards a first side edge of the inflatable article, and the inflatable chambers which extend from the second side of the inflation manifold extending across the inflatable article towards a second side edge of the inflatable article. 14. The inflatable article according to claim 1, wherein each of the inflatable chambers contains from 3 to 20 cells. 15. The inflatable cellular cushioning article according to claim 1, wherein the first and second films are connected to one another along one fold line. 16. The inflatable cellular cushioning article according to claim 1, wherein the first and second films are connected to one another along two fold lines. 17. The inflatable cellular cushioning article according to claim 1, wherein the first film and second film are separate films. 18. The inflatable cushioning article according to claim 1, wherein the bond is a heat seal. 19. The inflatable cellular cushioning article according to claim 1, wherein the first film is a multilayer film and the second film is a multilayer film. 20. The inflatable cellular cushioning article according to claim 19, wherein the first film comprises a seal layer and an O2-barrier layer, and the second film comprises a seal layer and an O2-barrier layer. 21. The inflatable cellular cushioning article according to claim 20, wherein: the first film comprises first and second outer layers, a central gas barrier layer, a first tie layer between the first outer layer and the gas barrier layer, and a second tie layer between the gas barrier layer and the second outer layer; and the second film comprises first and second outer layers, a central gas barrier layer, a first tie layer between the first outer layer and the gas barrier layer, and a second tie layer between the gas barrier layer and the second outer layer; and wherein the first outer layer of the first film is sealed to the first outer layer of the second film.
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