A novel composite beam is disclosed. The composite beam may comprise variations in the surface that can be used to create open and closed surfaces for the modulation of natural light. The composite beam may also be optimized for the applied loads by placing the fibers in the direction of the applied
A novel composite beam is disclosed. The composite beam may comprise variations in the surface that can be used to create open and closed surfaces for the modulation of natural light. The composite beam may also be optimized for the applied loads by placing the fibers in the direction of the applied loads and/or increasing the fiber density in the regions of higher loads.
대표청구항▼
1. A beam comprising: a first portion comprising a first cross section;a second portion comprising a second cross section; a third portion comprising a third cross section; and multiple composite tape windings,wherein each of the first cross section, the second cross section,and the third cross sect
1. A beam comprising: a first portion comprising a first cross section;a second portion comprising a second cross section; a third portion comprising a third cross section; and multiple composite tape windings,wherein each of the first cross section, the second cross section,and the third cross section are hollow and completely empty,wherein the first cross section is square, the second cross section is triangular, andthe third cross section is square, andwherein the second cross section is positioned between the first cross section and the third cross section. 2. The beam of claim 1, wherein the first cross section and the third cross section each comprise a first beam tape density, and the second cross section comprises a second beam tape density. 3. The beam of claim 2, wherein the second beam tape density is less than the first beam tape density. 4. The beam of claim 3, wherein the first beam tape density is 1, and the second beam tape density ranges from about 0.5 to about 0.75. 5. The beam of claim 1, wherein the multiple composite tape windings transition gradually from the first cross section to the second cross section, and wherein the multiple composite tape windings transition gradually from the second cross section to the third cross section. 6. A beam comprising: A first portion comprising a first cross section, a second portion comprising a second cross section, and a third portion comprising a third cross section,wherein each of the first cross section, the second cross section, and the third cross section are hollow and completely empty,wherein the first cross section is square, the second cross section is triangular, and the third cross section is square, andwherein the second cross section is positioned between the first cross section and the third cross section; andmultiple composite tape windings forming the first portion, the second portion, and the third portion,wherein the multiple composite tape windings have a continuously varying tape pitch,wherein the multiple composite tape windings comprise a maximum tape pitch at a first end of the beam, and a minimum tape pitch at a second end of the beam, andwherein the continuously varying tape pitch continuously decreases from the first end towards the second end. 7. The beam of claim 6 wherein the continuously varying tape pitch ranges from about 0.125 inch to about 3 inches. 8. The beam of claim 6, wherein each winding has a tape width, and wherein the maximum tape pitch is between 3 times to 4 times the tape width. 9. The beam of claim 6, wherein each winding has a tape width, and wherein the minimum tape pitch is between 0.1 times to 0.5 times the tape width. 10. The beam of claim 6, comprising a tape density ranging from about 0.2 to 1. 11. The beam of claim 6, comprising a tape density ranging from about 0.4 to about 0.8. 12. The beam of claim 6, wherein the multiple composite tape windings transition gradually from the first cross section to the second cross section, and wherein the multiple composite tape windings transition gradually from the second cross section to the third cross section. 13. The beam of claim 12, wherein the beam is a rigid integral one-piece construction beam. 14. A beam comprising: a first portion comprising a first cross section, a second portion comprising a second cross section, and a third portion comprising a third cross section,wherein each of the first cross section, the second cross section, and the third cross section are hollow and completely empty,wherein the first cross section is square, the second cross section is triangular, and the third cross section is square, andwherein the second cross section is positioned between the first cross section and the third cross section; andmultiple composite tape windings forming the first portion, the second portion, and the third portion,wherein the multiple composite tape windings have a continuously varying tape pitch,wherein the multiple composite tape windings comprise a maximum tape pitch at each of a first end of the beam and a second end of the beam, and a minimum tape pitch at a midpoint of the beam,wherein the continuously varying tape pitch continuously decreases from the first end towards the midpoint of the beam, and the continuously varying tape pitch continuously increases from the midpoint of the beam towards the second end. 15. The beam of claim 14, comprising a maximum tape density at the midpoint of the beam. 16. The beam of claim 14, comprising a tape density ranging from about 0.2 to 1. 17. The beam of claim 14, wherein the multiple composite tape windings transition gradually from the first cross section to the second cross section, and wherein the multiple composite tape windings transition gradually from the second cross section to the third cross section. 18. The beam, of claim 17, wherein the beam is a rigid integral one-piece construction beam.
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이 특허에 인용된 특허 (29)
Kreft Holger (Karlsfeld DT), Beam and strut girder.
Viellard Paul-Henri (22 rue Spontini F75116 Paris FRX), Method for embodying a flexible tubular element impregnated with resin to be subsequently moulded.
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