Claims
- 1. A method of forming and sealing an air structure having a plurality of upper air nodes, a plurality of lower air nodes which oppose the plurality of upper air nodes and a plurality of air channels which are respectively and integrally connected to the plurality of upper and lower air nodes, the method comprising the steps of:
a. providing a mold having a plurality of spaced apart frustum shaped nodes and a plurality of channels; b. providing a flexible first layer of material; c. positioning said first layer of material to a forming machine which retains said mold; d. actively heating said first layer of material; e. drawing said first layer of material against said mold; f. applying a vacuum against said mold to further push said first layer of material tightly into said mold so that said first layer of material forms into said plurality of frustum shaped nodes and said plurality of channels; g. cooling said first layer of material; h. providing a flexible second layer of material; i. positioning said second layer of material to said forming machine which retains said mold; j. actively heating said second layer of material; k. drawing said second layer of material against said mold; l. applying a vacuum against said mold to further push said second layer of material tightly into said mold so that said second layer of material forms into said plurality of frustum shaped nodes and said plurality of channels; m. cooling said second layer of material; n. providing a radio frequency (RF) device; o. positioning said second layer of material against said first layer of material and onto said RF device; p. applying a die tool against said first and second layers of materials to achieve a uniform contact; and q. welding said first and second layers of materials together by using said RF device to form said air structure with said plurality of upper air nodes, said plurality of lower air nodes and said plurality of air channels such that said plurality of upper air nodes are respectively opposing said plurality of lower air nodes.
- 2. The method in accordance with claim 1, further comprising the step of using a plug assist device for pushing said first and second layers of materials further into said mold to pre-shape said first and second layers of materials.
- 3. The method in accordance with claim 1, wherein said first and second layers of material are made of urethane material.
- 4. The method in accordance with claim 1, wherein said first and second layers of material are made of vinyl material.
- 5. The method in accordance with claim 1, wherein said first and second layers of material are made from a blend or mixture of urethane and vinyl.
- 6. The method in accordance with claim 1, wherein said mold is a convex male shaped mold.
- 7. The method in accordance with claim 1, wherein said mold is a concave female shaped mold.
- 8. A method of forming and sealing a fluid structure having a plurality of upper fluid nodes, a plurality of lower fluid nodes and a plurality of fluid channels which are respectively and integrally connected to the plurality of upper and lower fluid nodes, the method comprising the steps of:
a. providing a mold having a plurality of shaped nodes and a plurality of shaped channels; b. providing a layer of material; c. heating said layer of material; d. drawing said layer of material against said mold; e. applying a vacuum against said mold to further push said layer of material tightly into said mold so that said layer of material forms into said plurality of shaped nodes and said plurality of shaped channels; f. folding said layer of material to form an upper half of said plurality of upper fluid nodes and a lower half of said plurality of lower fluid nodes such that said upper fluid nodes are respectively opposing said plurality of lower fluid nodes; g. applying a die tool against said layer of material to achieve a uniform contact; and h. welding said upper and lower halves of said layer of material together to form said fluid structure with said plurality of upper and lower fluid nodes and said plurality of channels.
- 9. The method in accordance with claim 8, further comprising the step of cooling said layer of material.
- 10. The method in accordance with claim 8, further comprising the step of using a plug assist device for pushing said layer of material into said mold to pre-shape said layer of material.
- 11. The method in accordance with claim 8, wherein said layer of material is made of urethane material.
- 12. The method in accordance with claim 8, wherein said layer of material is made of vinyl material.
- 13. The method in accordance with claim 8, wherein said layer of material is made from a blend or mixture of urethane and vinyl.
- 14. The method in accordance with claim 8, wherein said mold is a convex male shaped mold.
- 15. The method in accordance with claim 8, wherein said mold is a concave female shaped mold.
- 16. A method of forming and sealing a fluid structure having at least one upper fluid node, at least one lower fluid node and at least one fluid duct integrally connected to the at least upper and lower fluid nodes, the method comprising the steps of:
a. providing a mold having at least two shaped nodes and at least one shaped duct; b. providing a layer of material; c. heating said layer of material; d. drawing said layer of material against said mold; e. applying pressure means against said mold to further draw said layer of material tightly into said mold so that said layer of material forms into said at least two shaped nodes and said at least one shaped duct; f. folding said layer of material to form an upper half of said at least one upper fluid node and a lower half of said at least one lower fluid node such that said at least one upper fluid node is opposing said at least one lower fluid node; g. applying a die against said layer of material; and h. sealing said upper and lower halves of said layer of material together to form said fluid structure with said at least one fluid upper node, said at least one fluid lower node and said at least one fluid duct.
- 17. The method in accordance with claim 16, further comprising the step of cooling said layer of material.
- 18. The method in accordance with claim 16, further comprising the step of using a plug assist device for pushing said layer of material into said mold to pre-shape said layer of material.
- 19. The method in accordance with claim 16, wherein said layer of material is made of urethane material.
- 20. The method in accordance with claim 16, wherein said layer of material is made of vinyl material.
- 21. The method in accordance with claim 16, wherein said layer of material is made from a blend or mixture of urethane and vinyl.
- 22. A method of forming and sealing an air structure having a plurality of upper air nodes, a plurality of lower air nodes which oppose the plurality of upper air nodes and a plurality of air channels which are respectively and integrally connected to the plurality of upper and lower air nodes, the method comprising the steps of:
a. making a mold having a plurality of spaced apart frustum shaped nodes and a plurality of channels; b. closing said mold; c. injecting hot molten material into said mold to form said plurality of spaced apart frustum shaped nodes and said plurality of channels of a first layer of material; d. venting the heat from said mold; e. cooling said first layer of material; f. opening said mold to remove said first layer of material from said mold; g. closing said mold; h. injecting hot molten material into said mold to form said plurality of spaced apart frustum shaped nodes of a second layer of material; i. venting the heat from said mold; j. cooling said second layer of material; k. opening said mold to remove said second layer of material from said mold; l. providing a radio frequency (RF) device; m. positioning said second layer of material against said first layer of material and onto said RF device; n. applying a die tool against said first and second layers of materials to achieve a uniform contact; and o. welding said first and second layers of materials together by using said RF device to form said air structure with said plurality of upper air nodes, said plurality of lower air nodes and said plurality of air channels such that said plurality of upper air nodes are respectively opposing said plurality of lower air nodes.
- 23. The method in accordance with claim 22, wherein said first and second layers of materials are made of urethane material.
- 24. The method in accordance with claim 22, wherein said first and second layers of materials are made of vinyl material.
- 25. The method in accordance with claim 22, wherein said first and second layers of materials are made from a blend or mixture of urethane and vinyl.
- 26. A method of forming and sealing a fluid structure having a plurality of upper fluid nodes, a plurality of lower fluid nodes and a plurality of fluid channels which are respectively and integrally connected to the plurality of upper and lower fluid nodes, the method comprising the steps of:
a. providing a mold having a plurality of shaped nodes and a plurality of shaped channels; b. closing said mold; c. injecting hot molten material into said mold to form a layer of material having said plurality of shaped nodes and said plurality of shaped channels; d. venting the heat from said mold; and e. opening said mold to remove said layer of material from said mold.
- 27. The method in accordance with claim 26, further comprising the step of cooling said layer of material.
- 28. The method in accordance with claim 26, further comprising the steps of:
a. folding said layer of material to form an upper half of said plurality of upper fluid nodes and a lower half of said plurality of lower fluid nodes such that said upper fluid nodes are respectively opposing said plurality of lower fluid nodes; and b. welding said upper and lower halves of said layer of material together to form said fluid structure with said plurality of upper and lower fluid nodes and said plurality of channels.
- 29. The method in accordance with claim 26, wherein said layer of material is made of urethane material.
- 30. The method in accordance with claim 26, wherein said layer of material is made of vinyl material.
- 31. The method in accordance with claim 26, wherein said layer of material is made from a blend or mixture of urethane and vinyl.
Parent Case Info
[0001] This application is a continuation-in-part of application Ser. No. 09/353,842 filed on Jul. 15, 1999, now pending, which is a continuation-in-part of application Ser. No. 09/311,088 filed on May 13, 1999, now pending, which is a continuation-in-part of application Ser. No. 08/948,763 filed on Oct. 10, 1997, now U.S. Pat. No. 5,907,878.
Continuation in Parts (3)
|
Number |
Date |
Country |
Parent |
09353842 |
Jul 1999 |
US |
Child |
09802230 |
Mar 2001 |
US |
Parent |
09311088 |
May 1999 |
US |
Child |
09353842 |
Jul 1999 |
US |
Parent |
08948763 |
Oct 1997 |
US |
Child |
09311088 |
May 1999 |
US |