Shaped contoured crushable structural members and methods for making the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-003/12
B32B-001/08
F16L-009/18
출원번호
US-0900762
(2001-07-05)
발명자
/ 주소
Obeshaw, Dale Francis
출원인 / 주소
Delphi Technologies, Inc.
대리인 / 주소
Smith Michael D.
인용정보
피인용 횟수 :
8인용 특허 :
166
초록▼
Shaped, contoured crushable structural members and methods for making the same are described. The contoured structural members comprise composite or metal materials sandwiching a support or stabilizing structure. The structural members are made crushable by incorporating an initiator into the struct
Shaped, contoured crushable structural members and methods for making the same are described. The contoured structural members comprise composite or metal materials sandwiching a support or stabilizing structure. The structural members are made crushable by incorporating an initiator into the structural members. The structural member crushes at the location of the initiator by absorbing the energy of an exerting load. The shaped structure is provided by bending the generally straight shape of the structural member. With a shaped, contoured, crushable, and generally non-flat structure, applications and uses for the structural members of the present invention are nearly limitless.
대표청구항▼
1. A shaped contoured structural member, comprising:an inner section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material;an outer section containing a continuous plurality of contoured layers comprising a composite material or a metal-
1. A shaped contoured structural member, comprising:an inner section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material;an outer section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material; andat least one intermediate layer having a honeycomb core structure connecting the inner section and the outer section. 2. The structural member of claim 1, wherein the structural member has a substantially non-straight configuration. 3. The structural member of claim 1, wherein the inner section contains both a layer of a composite material and a layer of a metal-containing material. 4. The structural member of claim 1, wherein the outer section contains both a layer of a composite material and a layer of a metal-containing material. 5. The structural member of claim 2, wherein the metal-containing material is a metal alloy. 6. The structural member of claim 1, further comprising at least one initiator. 7. A structural member having a substantially non-straight longitudinal shape, comprising:an inner section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material;an outer section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material; andat least one intermediate layer having a ribbed structure connecting the inner section and the outer section. 8. The structural member of claim 7, wherein the the inner section contains both a layer of a composite material and a layer of a metal-containing material. 9. The structural member of claim 7, wherein the inner section contains both a layer of a composite material and a layer of a metal-containing material. 10. The structural member of claim 7, wherein the metal-containing material is a metal alloy. 11. The structural member of claim 7, further comprising at least one initiator. 12. The structural member of claim 1, wherein the composite material is a reinforced resin matrix material. 13. The structural member of claim 7, wherein the composite material is a reinforced resin matrix material. 14. The structural member of claim 1 or 7, wherein both the inner section and the outer section comprise a composite material. 15. The structural member of claim 1 or 7, wherein both the inner section and the outer section comprise a metal-containing material. 16. The structural member of claim 7, wherein the ribbed structure comprises a honeycomb core. 17. The structural member of claim 1 or 7, further comprising at least one structural component. 18. A bent structural member, comprising:an inner section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material;an outer section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material; andat least one intermediate layer having a honeycomb structure connecting the inner section and the outer section. 19. The structural member of claim 18, further comprising at least one initiator. 20. The structural member of claim 18, further comprising at least one structural component. 21. A method for making a shaped, contoured structural member, comprising:providing an inner section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material over a shaped mandrel;roll wrapping at least one intermediate layer over the inner section, the at least one intermediate layer having a honeycomb core structure;providing an outer section over the at least one intermediate layer, the outer section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material; andconnecting the inner and outer sections to the at least one intermediate layer. 22. The method of claim 21, including providing the inner section by roll wrapping the inner section over the mandrel. 23. The method of claim 22, including providing the outer section by roll wrapping the outer section over the at least one intermediate layer. 24. The method of claim 23, further including removing the substrate. 25. The method of claim 24, including partially or completely filling the interior created by removing the substrate. 26. The method of claim 25, further including constraining the outer section when connecting the inner and outer sections to the at least one intermediate layer prior to removing the mandrel. 27. The method of claim 26, including constraining the outer section by roll wrapping at least one layer of a shrink-wrap material over the outer section. 28. The method of claim 27, including removing the at least one layer of the shrink-wrap material after the reaction. 29. The method of claim 27, further including providing at least one pressure distributor over the outer section. 30. The method of claim 29, including providing a plurality of layers of shrink-wrap material with the at least one pressure distributor between two of said layers. 31. A method for making a shaped, contoured structural member, comprising:providing an inner section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material over a substantially straight mandrel;roll wrapping at least one intermediate layer over the inner section, the at least one intermediate layer having a ribbed structure;providing an outer section over the at least one intermediate layer, the outer section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material;removing the mandrel;modifying the shape of the inner section, at least one intermediate layer, and the outer section to a substantially non-straight shape; andconnecting the inner and outer sections to the at least one intermediate layer. 32. The method of claim 31, including modifying the shape by using an exterior mold and using an internal pressure. 33. The method of claim 31, including modifying the shape and connecting the inner and outer sections to the at least one intermediate layer at substantially the same time. 34. A method for making a shaped, contoured structural member, comprising:providing an inner section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material over a shaped mandrel;roll wrapping at least one intermediate layer over the inner section, the at least one intermediate layer having a ribbed structure;providing an outer section over the at least one intermediate layer, the outer section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material;constraining the outer section with a shrink-wrap material;connecting the inner and outer sections to the at least one intermediate layer; andremoving the shrink-wrap material and the mandrel. 35. A method for making a shaped, contoured structural member, comprising:providing an inner section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material over a substantially-straight mandrel;roll wrapping at least one intermediate layer over the inner section, the at least one intermediate layer having a ribbed structure;providing an outer section over the at least one intermediate layer, the outer section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material;removing the mandrel;modifying the shape of the inner section, at least one intermediate layer, and the outer section to a substantially non-straight shape;constraining the outer section with a shrink-wrap material;connecting the inner and outer sections to the at least one intermediate layer; andremoving the shrink-wrap material and the mandrel. 36. A shaped, contoured structural member m ade by the method comprising:providing an inner section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material over a shaped mandrel;roll wrapping at least one intermediate layer over the inner section, the at least one intermediate layer having a honeycomb core structure;providing an outer section over the at least one intermediate layer, the outer section comprising a continuous plurality of contoured layers comprising a composite material or a metal-containing material; andconnecting the inner and outer sections to the at least one intermediate layer. 37. A shaped, contoured structural member made by the method comprising:providing an inner section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material over a substantially straight mandrel;roll wrapping at least one intermediate layer over the inner section, the at least one intermediate layer having a ribbed structure;providing an outer section over the at least one intermediate layer, the outer section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material;removing the mandrel;modifying the shape of the inner section, at least one intermediate layer, and the outer section to a substantially non-straight longitudinal shape; andconnecting the inner and outer sections to the at least one intermediate layer. 38. A shaped, contoured structural member made by the method comprising:providing an inner section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material over a shaped mandrel;roll wrapping at least one intermediate layer over the inner section, the at least one intermediate layer having a honeycomb core structure;providing an outer section over the at least one intermediate layer, the outer section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material;constraining the outer portion with a shrink-wrap material;connecting the inner and outer sections to the at least one intermediate layer; andremoving the shrink-wrap material and the mandrel. 39. A shaped, contoured structural member made by the method comprising:providing an inner section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material over a substantially straight mandrel;roll wrapping at least one intermediate layer over the inner section, the at least one intermediate layer having a ribbed structure;providing an outer section over the at least one intermediate layer, the outer section containing a continuous plurality of contoured layers comprising a composite material or a metal-containing material;removing the mandrel;modifying the shape of the inner section, at least one intermediate layer, and the outer section to a substantially non-straight longitudinal shape;constraining the outer section with a shrink-wrap material;connecting the inner and outer sections to the at least one intermediate layer; andremoving the shrink-wrap material and the substrate.
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