Internal tensioning structure useable with inflatable devices
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A47C-027/08
B29C-065/02
B29C-065/00
B29D-022/02
B32B-005/02
B32B-027/12
B29C-065/04
B29C-065/18
B29L-022/02
B29L-031/00
출원번호
US-0906857
(2018-02-27)
등록번호
US-10165869
(2019-01-01)
우선권정보
CN-2012 1 0053143 (2012-03-02); CN-2012 1 0053146 (2012-03-02); CN-2012 2 0075738 U (2012-03-02); CN-2012 2 0075742 U (2012-03-02)
발명자
/ 주소
Lin, Hua Hsiang
Hsu, Yaw Yuan
출원인 / 주소
Intex Marketing LTD.
대리인 / 주소
Faegre Baker Daniels LLP
인용정보
피인용 횟수 :
0인용 특허 :
54
초록▼
An internal tensioning structure for use in an inflatable product fulfills the basic function of maintaining two adjacent inflatable surfaces in a desired geometric arrangement when the inflatable product is pressurized. The tensioning structure is formed by connecting a pair of plastic sheets to sp
An internal tensioning structure for use in an inflatable product fulfills the basic function of maintaining two adjacent inflatable surfaces in a desired geometric arrangement when the inflatable product is pressurized. The tensioning structure is formed by connecting a pair of plastic sheets to spaced-apart strands, such as strings or wires. When pulled taut, the strands provide a high tensile strength. At the same time, the plastic sheets facilitate a strong, long-lasting weld between the tensioning structure and the inflatable product.
대표청구항▼
1. An inflatable product comprising: a first sheet;a second sheet disposed opposite the first sheet, the first and second sheets spaced apart when the product is inflated to define a gap;a tensioning structure sized to span the gap between the first sheet and the second sheet, the tensioning structu
1. An inflatable product comprising: a first sheet;a second sheet disposed opposite the first sheet, the first and second sheets spaced apart when the product is inflated to define a gap;a tensioning structure sized to span the gap between the first sheet and the second sheet, the tensioning structure comprising: a plurality of strands uniformly spaced apart and arranged substantially parallel to one another, the plurality of strands extending across the gap; anda first weld sheet having the plurality of strands uniformly affixed to a surface of the first weld sheet; anda second weld sheet disposed opposite the first weld sheet, the plurality of strands captured between the first and second weld sheets when the first and second weld sheets are welded to one another. 2. The inflatable product of claim 1, wherein: the plurality of strands define a first side, a second side, the strands further comprising a plurality of holes extending through the plurality of strands from the first side to the second side,the first weld sheet is in direct contact with the second weld sheet at the plurality of holes extending through the strands, andthe first weld sheet is spaced from the second weld sheet by respective ones of the plurality of strands. 3. The inflatable product of claim 1, wherein each one of the plurality of strands interrupts an otherwise full surface-area contact between the first weld sheet and the second weld sheet. 4. The inflatable product of claim 1, wherein the first sheet comprises an upper sheet of an inflatable mattress, and the second sheet comprises a lower sheet of the inflatable mattress. 5. The inflatable product of claim 4, wherein the tensioning structure comprises a plurality of tensioning structures spaced apart from one another along a length of the first sheet and the second sheet. 6. The inflatable product of claim 4, wherein the upper sheet includes a sleeping surface and the lower sheet includes a ground-contacting surface. 7. The inflatable product of claim 6, wherein: the upper sheet is a double layered construct; anda first inflatable chamber is formed between the upper sheet and the lower sheet, the product further comprising a second inflatable chamber within the double layered construct of the first sheet. 8. The inflatable product of claim 4, further comprising a side wall coupled to the first sheet and the second sheet. 9. The inflatable product of claim 1, wherein the plurality of strands comprise tensile strands, the tensioning structure further comprising at least one reinforcement strand coupled to the tensile strands. 10. The inflatable product of claim 1, wherein the plurality of strands collectively have an area-to-weight ratio between 8,000 and 5,000,000 square centimeters per kilogram. 11. The inflatable product of claim 1, wherein the plurality of strands collectively have an area-to-weight ratio between 12,500 and 2,500,000 square centimeters per kilogram. 12. The inflatable product of claim 1, wherein the plurality of strands collectively have an area-to-weight ratio between 20,000 and 1,000,000 square centimeters per kilogram. 13. The inflatable product of claim 1, wherein the first and second weld sheets are about 0.10 millimeters in thickness. 14. The inflatable product of claim 1, wherein: the plurality of strands are contained within a single plane, andthe single plane is perpendicular to the first and second sheets when the product is inflated. 15. The inflatable product of claim 1, wherein the first and second weld sheets define a width corresponding to an overall width of the plurality of strands, and the tensioning structure further comprises a plurality of weld strips affixed to a first side of one of the first and second weld sheets. 16. The inflatable product of claim 15, wherein another plurality of weld strips is affixed to an opposing side of the tensioning structure, on the other of the first and second weld sheets. 17. An inflatable product comprising: a first sheet;a second sheet disposed opposite the first sheet to define an inflatable chamber, the first and second sheets spaced apart when the inflatable chamber is inflated to define a gap;a tensioning structure spanning the gap between the first sheet and the second sheet, the tensioning structure comprising: a plurality of strands spaced apart and arranged substantially parallel to one another, each of the plurality of strands having a first terminal end positioned adjacent to the first sheet, a second terminal end positioned adjacent to the second sheet, and an axial extent between the first and second terminal ends that is substantially perpendicular to the first and second sheets;a first weld sheet; anda second weld sheet disposed opposite the first weld sheet and affixed to the first weld sheet with the plurality of strands captured between the first and second weld sheets, the first and second weld sheets having full surface-area contact in spaces between the plurality of strands; anda valve in communication with the inflatable chamber to facilitate inflation and deflation of the inflatable product. 18. The inflatable product of claim 17, wherein: each of the first and second sheets is made of plastic having a thickness of 0.34 millimeters; andeach of the first and second weld sheets is made of plastic having a thickness of 0.10 millimeters. 19. The inflatable product of claim 17, wherein the first and second weld sheets are thinner than the first and second sheets. 20. The inflatable product of claim 17, wherein each of the first and second weld sheets is made of plastic having a thickness 20% to 40% less than a conventional plastic sheet having a thickness of 0.36 millimeters to 0.8 millimeters. 21. The inflatable product of claim 17, further comprising a second tensioning structure neighboring the tensioning structure of claim 17 and spanning the gap between the first and second sheets, wherein a distance between the neighboring tensioning structures is greater than the gap between the first and second sheets. 22. The inflatable product of claim 17, wherein the tensioning structure is welded to the first sheet near the first terminal ends of the plurality of strands and to the second sheet near the second terminal ends of the plurality of strands. 23. The inflatable product of claim 17, wherein the plurality of strands are uniformly spaced apart from one another. 24. An inflatable product comprising: a first sheet;a second sheet disposed opposite the first sheet to define an inflatable chamber, the first and second sheets spaced apart when the inflatable chamber is inflated to define a gap;a tensioning structure spanning the gap between the first sheet and the second sheet, the tensioning structure comprising: a plurality of strands spaced apart and arranged substantially parallel to one another, each of the plurality of strands having a first terminal end positioned adjacent to the first sheet, a second terminal end positioned adjacent to the second sheet, and an axial extent between the first and second terminal ends that is substantially perpendicular to the first and second sheets;a first weld sheet; anda second weld sheet disposed opposite the first weld sheet and affixed to the first weld sheet with the plurality of strands captured between the first and second weld sheets;wherein the first and second weld sheets are thinner than the first and second sheets; anda valve in communication with the inflatable chamber to facilitate inflation and deflation of the inflatable product. 25. The inflatable product of claim 24, wherein: each of the first and second sheets is made of plastic having a thickness of 0.34 millimeters; andeach of the first and second weld sheets is made of plastic having a thickness of 0.10 millimeters. 26. The inflatable product of claim 24, wherein each of the first and second weld sheets is made of plastic having a thickness 20% to 40% less than a conventional plastic sheet having a thickness of 0.36 millimeters to 0.8 millimeters. 27. The inflatable product of claim 24, wherein the first and second weld sheets have full surface-area contact in spaces between the plurality of strands. 28. The inflatable product of claim 24, wherein the first and second weld sheets are welded to one another in spaces between the plurality of strands. 29. The inflatable product of claim 24, wherein the tensioning structure further comprises at least one reinforcement strand disposed substantially perpendicular to the plurality of strands. 30. The inflatable product of claim 24, wherein the tensioning structure is welded to the first sheet near the first terminal ends of the plurality of strands and to the second sheet near the second terminal ends of the plurality of strands.
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