A method and apparatus for forming a bend in composite panel. A method for forming a bend in a composite panel comprises forming a slot having a curved flange in the composite panel, inserting a sheet into the curved flange, and bending the composite panel with the slot and the sheet within the curv
A method and apparatus for forming a bend in composite panel. A method for forming a bend in a composite panel comprises forming a slot having a curved flange in the composite panel, inserting a sheet into the curved flange, and bending the composite panel with the slot and the sheet within the curved flange about a longitudinal axis of the slot to form the bend.
대표청구항▼
1. A method for forming a bend in a composite panel, the method comprising: forming a slot in a first surface of the composite panel, the slot having: a curved flange;a first width at the first surface; anda second width proximal to a second surface, wherein the second width is greater than the firs
1. A method for forming a bend in a composite panel, the method comprising: forming a slot in a first surface of the composite panel, the slot having: a curved flange;a first width at the first surface; anda second width proximal to a second surface, wherein the second width is greater than the first width;inserting a sheet into the curved flange; andbending the composite panel with the slot and the sheet within the curved flange about a longitudinal axis of the slot to form the bend, wherein the first width is large enough that edges of the slot are prevented from contacting each other after bending the composite panel to form the bend. 2. The method of claim 1, wherein the first width is a bend slot width and the second width is a bend allowance width. 3. The method of claim 2, wherein the forming step comprises: cutting the slot with a tool, wherein the tool is a cutter having a shape corresponding to the bend allowance width and the bend slot width. 4. The method of claim 1, wherein the sheet comprises a fiber reinforced material. 5. The method of claim 4, wherein the sheet comprises fiberglass. 6. The method of claim 5, wherein the sheet further comprises a decorative sheet. 7. The method of claim 2, wherein the bend slot width is: BS>BA−2K(R−T) wherein BS is the bend slot width, BA is the bend allowance width, R is a corner radius, K is Tan(A/2), A is a bend angle, and T is a thickness of the composite panel. 8. The method of claim 2, wherein the composite panel comprises a filler layer between a first composite layer and a second composite layer. 9. The method of claim 8, wherein the slot is formed in the first composite layer and the filler layer. 10. The method of claim 8, wherein the bend slot width is configured such that the edges of the slot contact the sheet after bending the composite panel to form the bend. 11. The method of claim 8, wherein the filler layer is a honeycombed panel. 12. The method of claim 2, wherein the composite panel with the bend is a part for an aircraft. 13. The method of claim 1, wherein the sheet includes text, a sign, or other graphical indicators. 14. The method of claim 1, wherein the sheet includes at least a portion of a light emitting diode display. 15. The method of claim 14, wherein the sheet provides light or information. 16. The method of claim 8, wherein the sheet prevents visibility of the majority of the filler layer. 17. The method of claim 9, wherein the first composite layer contacts the sheet after bending the composite panel to form the bend. 18. The method of claim 9, wherein the sheet is held in place without the use of an adhesive or fastener. 19. A method for forming a bend in a composite panel, the method comprising: forming a slot having a curved flange in the composite panel, in which the composite panel comprises a filler layer between a first composite layer and a second composite layer, the slot having a bend slot width and the curved flange having a bend allowance width larger than the bend slot width, in which forming the slot comprises cutting the slot with a tool, in which the tool is a cutter having a shape corresponding to the bend allowance width and the bend slot width;inserting a sheet into the curved flange, the sheet comprising cured fiberglass and a decorative material adhered to the cured fiberglass, the decorative material comprising at least one of a desired texture or a desired color; andbending the composite panel with the slot and the sheet within the curved flange about a longitudinal axis of the slot to form the bend, in which the bend slot width is configured such that edges of the first composite layer contact the sheet after bending the composite panel to form the bend.
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이 특허에 인용된 특허 (36)
Lewis Julie M. (1760 Oak St. Lake Oswego OR 97034), Accouchement apparatus.
Druckman Ralph D. ; Burnham Richard C. ; Griffing James S. ; Indharasophang Chai Y. ; Dewar Paul S. ; Spane Marc A. ; Hodgman Tom F.,DEX ; Button Scott D., Combined mortise and tenon joint feature.
Druckman Ralph D. ; Burnham Richard C. ; Griffing James S. ; Indharasophang Chai Y. ; Dewar Paul S. ; Spane Marc A. ; Hodgman Tom F.,DEX ; Button Scott D., Combined mortise and tenon joint feature.
Tremain Stephen R. (7120 Collingwood Street Drummoyne ; NSW 2047 AUX) Fuller Robert S. (21 Careen Road Westleigh ; NSW 120 AUX), Sandwich panel for angular forming.
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