A composite core includes a plurality of tubes, each the plurality of tubes comprising a plurality of fibers disposed in a polymeric matrix. Adjacent tubes of the plurality of tubes are adhesively bonded to one another along sides of the adjacent tubes. A method of making a composite core includes t
A composite core includes a plurality of tubes, each the plurality of tubes comprising a plurality of fibers disposed in a polymeric matrix. Adjacent tubes of the plurality of tubes are adhesively bonded to one another along sides of the adjacent tubes. A method of making a composite core includes the steps of providing a plurality of tubes, each of the plurality of tubes including a plurality of fibers disposed in a polymeric matrix, and adhesively bonding adjacent tubes of the plurality of tubes along sides of the adjacent tubes. A method of making a composite core such that a removable band is included in the core, the removable band being configured to be removable through a procedure subsequent to the cure of the composite core, thereby producing gaps in the core.
대표청구항▼
1. A composite core, comprising: a first tube and a second tube, the first tube and the second tube having a plurality of fibers woven with a plurality of removable bands and disposed in a polymeric matrix, wherein at least some of the plurality of removable bands are woven with others of the plural
1. A composite core, comprising: a first tube and a second tube, the first tube and the second tube having a plurality of fibers woven with a plurality of removable bands and disposed in a polymeric matrix, wherein at least some of the plurality of removable bands are woven with others of the plurality of removable bands to produce a weave pattern; anda first end portion of each of the first tube and the second tube being configured to support a first face sheet and a second end portion of each of the first tube and the second tube being configured to support a second face sheet;wherein the plurality of fibers of each of the first tube and the second tube are in contact with each other to form a cross-linked pattern, which in turn secures the first tube to the second tube via the plurality of fibers; andwherein the plurality of fibers of each tube are arranged in a uniaxial configuration so as to be arranged in a single direction, such that the plurality of fibers of each tube crosslink with fibers of adjacent tubes, the crosslinking being generated even though each tube has a plurality of fibers only in a single direction. 2. The composite core, according to claim 1, wherein the plurality of fibers of the first tube and the second tube have been wound in a single helical direction to form each tube. 3. The composite core, according to claim 1, wherein the first tube has an octagonal cross section, and the second tube has a square cross section. 4. The composite core, according to claim 1, wherein the plurality of fibers of the first tube comprises: a first set of fibers extending in a first direction; anda second set of fibers extending in a second direction, the second set of fibers woven about the first set of fibers. 5. The composite core, according to claim 1, wherein the plurality of fibers of the first tube comprises: a first set of fibers extending in a first direction; anda second set of fibers extending in a second direction, the second set of fibers overlaying the first set of fibers. 6. The composite core, according to claim 1, wherein the plurality of fibers of the first tube comprises: a first set of fibers of a first material; anda second set of fibers of a second material. 7. The composite core, according to claim 1, wherein the plurality of fibers of the first tube comprises: a first set of fibers exhibiting a first size; anda second set of fibers exhibiting a second size. 8. The composite core, according to claim 1, further comprising: an adhesive layer disposed between the first tube and the second tube. 9. The composite core, according to claim 1, wherein the removable bands are configured to be removed during a post-operation thereby producing gaps in the weave pattern between the first tube and the second tube. 10. A composite sandwich structure, comprising: a first skin;a core comprising: a first tube and a second tube, the first tube and a the second tube having a plurality of fibers woven with a plurality of removable bands and disposed in a polymeric matrix, the removable bands being configured to dissolve during a post cure operation, wherein at least some of the plurality of removable bands are woven with others of the plurality of removable bands in a weave pattern;wherein the plurality of fibers of each of the first tube and the second tube are in contact with each other to form a cross-linked pattern, which in turn secures the first tube to the second tube via the plurality of fibers;wherein the plurality of fibers of each tube are arranged in a uniaxial configuration so as to be arranged in a single direction, such that the plurality of fibers of each tube crosslink with fibers of adjacent tubes, the crosslinking being generated even though each tube has a plurality of fibers only in a single direction; andwherein the first skin is adhesively bonded to a first end face of the core. 11. The composite sandwich structure, according to claim 10, further comprising: a second skin adhesively bonded to a second end face of the core.
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이 특허에 인용된 특허 (18)
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