IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0337446
(2003-01-07)
|
등록번호 |
US-7318873
(2008-01-15)
|
발명자
/ 주소 |
- Czaplicki,Michael J.
- Carlson,David
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
29 인용 특허 :
163 |
초록
There is disclosed a reinforcement material for forming reinforced members. The reinforcement material includes a strengthening material which is preferably a fabric disposed at least partially between portions of matrix material.
대표청구항
▼
What is claimed is: 1. A method of forming a reinforced member, comprising: providing at least two portions of matrix material; positioning at least one portion of strengthening material between the at least two portions of matrix material thereby forming a reinforcement material, the strengthening
What is claimed is: 1. A method of forming a reinforced member, comprising: providing at least two portions of matrix material; positioning at least one portion of strengthening material between the at least two portions of matrix material thereby forming a reinforcement material, the strengthening material being woven glass fibers and the woven glass fibers directly contacting the at least two portions of matrix material, the reinforcement material having a length, a width and a thickness, the thickness extending through the at least two portions of matrix material and through the at least one portion of strengthening material, the thickness being less than 30 millimeters; providing a frame member of an automotive vehicle having a first wall with a first inner surface opposing a second inner surface of a second wall, the first and second surfaces at least partially defining a cavity therebetween, the cavity having a distance that extends from the first surface to the second surface, the distance being less than 30 millimeters; locating the reinforcement material within the cavity of the frame member, the reinforcement material being between the first wall and the second wall such that the thickness is substantially parallel to the distance; and activating the reinforcement material to expand and adhere the reinforcement material to the first surface and the second surface without filling a cross-section of the cavity between the first surface and the second surface. 2. A method as in claim 1 wherein the at least two portions of matrix material includes at least three portions of matrix material and the at least one portion of strengthening material includes at least two portions of strengthening material. 3. A method as in claim 1 wherein the matrix material is an epoxy based material having, upon activation, high strength characteristics for imparting structural rigidity to the frame member of the automotive vehicle and wherein the matrix material, upon activation, structurally bonds to the first surface and the second surface. 4. A method as in claim 1 wherein the at least two portions of matrix material include an epoxy-based material wherein the strengthening material extends substantially entirely in directions parallel to the width and length and the width and length are perpendicular to the thickness. 5. A method as in claim 4 wherein the reinforcement material includes a first surface and a second surface that extend in directions parallel to the length and width of the reinforcement material and that, upon insertion of the reinforcement material within the cavity, substantially oppose the inner surfaces of the first and second walls. 6. A method as in claim 1 wherein the distance is less than 10 millimeters greater than the thickness. 7. A method as in claim 6 wherein the reinforcement material is provided as a strip. 8. A method as in clam 7 wherein the frame member is a pillar of an automotive vehicle. 9. A method of forming a reinforced member, comprising: providing at least two layers of matrix material; positioning at least one layer of strengthening material between the at least two layers of matrix material thereby forming a reinforcement material, the strengthening material being woven glass fibers and the woven glass fibers directly contacting the at least two layers of matrix material, the reinforcement material having a length, a width and a thickness, the thickness extending through the at least two layers of matrix material and through the at least one layer of strengthening material; providing a pillar of an automotive vehicle having a first wall with a first inner surface opposing a second inner surface of a second wall, the first and second surfaces at least partially defining a cavity therebetween, the cavity having a distance that extends from the first surface to the second surface; locating the reinforcement material within the cavity of the pillar, the reinforcement material being within the cavity between the first wall and the second wall such that the thickness is substantially parallel to the distance and such that the thickness is substantially perpendicular to the first surface and the second surface; and expanding the reinforcement material to adhere the reinforcement material to the first surface and the second surface of the pillar without filling a cross-section of the cavity between the first surface and the second surface and to wet the strengthening material with the matrix material thereby enhancing integration of the strengthening material with the matrix material. 10. A method as in claim 9 wherein the at least two layers of matrix material includes at least three layers of matrix material and the at least one layer of strengthening material includes at least two layers of strengthening material. 11. A method as in claim 9 wherein the reinforcement material is provided as a strip. 12. A method as in claim 9 wherein the thickness is less than 20 millimeters and wherein the strengthening material is no greater than about 30 weight percent of the reinforcement material and the distance is less than 30 millimeters. 13. A method as in claim 9 wherein the matrix material is an epoxy based material having, upon activation, high strength characteristics for imparting structural rigidity to the pillar of the automotive vehicle and wherein the matrix material, upon activation, structurally bonds to the first surface and the second surface. 14. A method as in claim 9 wherein the at least one layer of strengthening material is a fabric formed of glass fibers. 15. A method as in claim 14 wherein the at least two layers of matrix material include an epoxy-based material. 16. A method of forming a reinforced member, comprising: co-extruding at least two layers of matrix material; positioning at least one layer of fibrous strengthening material at least partially between the at least two layers thereby forming a reinforcement material wherein; i) the reinforcement material has a relatively small dimension that extends through each of the at least two layers of matrix material and the layer of strengthening material, the dimension being a distance extending through the reinforcement material; ii) the dimension is less than 20 millimeters; and iii) the strengthening material is no greater than about 30 weight percent of the reinforcement material, the strengthening material being woven glass fibers and the woven glass fibers directly contacting the at least two layers of matrix material; providing a frame member of an automotive vehicle having one or more surfaces defining an opening wherein the opening has a relatively small dimension that is less than 10 millimeters greater than the dimension of the reinforcement material, the dimension of the opening being a distance extending across the opening; inserting the reinforcement material within the opening such that the dimension of the reinforcement material substantially aligns with the dimension of the opening of the frame member; and expanding the reinforcement material to adhere the reinforcement material to the one or more surfaces of the frame member without filling a cross-section of the opening; wherein the frame member is a pillar of the automotive vehicle. 17. A method as in claim 16 wherein the matrix material is an epoxy based material having, upon activation, high strength characteristics for imparting structural rigidity to the frame member of the automotive vehicle and wherein the matrix material, upon activation, structurally bonds to the first surface and the second surface. 18. A method as in claim 16 wherein the matrix material is substantially non-tacky at room temperature. 19. A method as in claim 18 wherein expansion of the reinforcement material takes place by foaming of the matrix material. 20. A method as in claim 19 wherein the reinforcement material is provided as a strip with a length, a width and a thickness, the thickness being the relatively small dimension of the reinforcement material. 21. A method as in claim 20 wherein the pillar is selected from an A-pillar, B-pillar or C-pillar. 22. A method as in claim 21 wherein the reinforcement material includes a first surface and a second surface that extend in directions parallel to the length and width of the reinforcement material and that, upon insertion of the reinforcement material within the opening, substantially oppose a first surface and a second surface of the one or more surfaces of the member of the automotive vehicle. 23. A method as in claim 22 wherein the matrix material is an epoxy based material having, upon activation, high strength characteristics for imparting structural rigidity to the frame member of the automotive vehicle and wherein the matrix material, upon activation, structurally bonds to the first surface and the second surface.
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