Three-dimensional spacer fabric resin infusion media and reinforcing composite lamina
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-005/12
B32B-003/02
D04B-007/12
D04B-007/00
출원번호
US-0172053
(2002-06-17)
발명자
/ 주소
Mack,Patrick E.
Smith,Mitchell D.
출원인 / 주소
VRAC, LLC
대리인 / 주소
Mirick, O'Connell, DeMallie &
인용정보
피인용 횟수 :
9인용 특허 :
48
초록▼
A three-dimensional spacer fabric resin infusion medium and reinforcing composite lamina for use in the manufacture of fiber reinforced polymer composites is disclosed. The use of the three-dimensional spacer fabric as a composite lamina aids in both the resin infusion rate and resin uniformity thro
A three-dimensional spacer fabric resin infusion medium and reinforcing composite lamina for use in the manufacture of fiber reinforced polymer composites is disclosed. The use of the three-dimensional spacer fabric as a composite lamina aids in both the resin infusion rate and resin uniformity throughout the laminate.
대표청구항▼
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. A fiber reinforced plastic composite incorporating a three-dimensional spacer fabric having first and second outer woven or knitted fabric layers connected by a plurality of intermedia
The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows: 1. A fiber reinforced plastic composite incorporating a three-dimensional spacer fabric having first and second outer woven or knitted fabric layers connected by a plurality of intermediate spacer threads as an interlaminar infusion medium and/or reinforcing composite lamina, said spacer fabric being collapsed, fully saturated with resin, and cured in the collapsed state. 2. A fiber reinforced plastic composite incorporating a three dimensional spacer fabric having first and second outer woven or knitted fabric layers connected by a plurality of intermediate spacer threads as an interlaminar infusion medium and/or reinforcing composite lamina that is manufactured using a closed mold process that uses two hard, rigid molds that are closed and sealed to form a substantially air impermeable envelope to which negative vacuum pressure, positive applied pressure, or combinations thereof are then applied, causing substantial evacuation of air remaining in the envelope and causing said spacer fabric to collapse and remain collapsed under the influence of said pressures, introducing and distributing resin components through the plurality of voids and spaces remaining within the collapsed spacer fabric until said spacer fabric is fully saturated with said resin components, and cured in the collapsed state. 3. A fiber reinforced plastic composite incorporating a three dimensional spacer fabric having first and second outer woven or knitted fabric layers connected by a plurality of intermediate spacer threads as an interlaminar infusion medium and/or reinforcing composite lamina that is manufactured using a closed mold process that uses one hard, rigid mold and one disposable flexible vacuum bag or membrane that are closed and sealed to form a substantially air impermeable envelope to which negative vacuum pressure, positive applied pressure, or combinations thereof are then applied, causing substantially evacuation of air remaining in the envelope and causing said spacer fabric to collapse and remain collapsed under the influence of said pressures, introducing and distributing resin components through the plurality of voids and spaces remaining within the collapsed spacer fabric until said spacer fabric is fully saturated with said resin components, and cured in the collapsed state. 4. A fiber reinforced plastic composite incorporating a three dimensional spacer fabric having first and second outer woven or knitted fabric layers connected by a plurality of intermediate spacer threads as an interlaminar infusion medium and/or reinforcing composite lamina that is manufactured using a closed mold process that uses one hard, rigid mold and one reusable flexible vacuum bag or membrane that are closed and sealed to form a substantially air impermeable envelope to which negative vacuum pressure, positive applied pressure, or combinations thereof are then applied, causing substantially evacuation of air remaining in the envelope and causing said spacer fabric to collapse and remain collapsed under the influence of said pressures, introducing and distributing resin components through the plurality of voids and spaces remaining within the collapsed spacer fabric until said spacer fabric is fully saturated with said resin components, and cured in the collapsed state. 5. A fiber reinforced plastic composite incorporating a three dimensional spacer fabric having first and second outer woven or knitted fabric layers connected by a plurality of intermediate spacer threads as an interlaminar infusion medium and/or reinforcing composite lamina that is manufactured using a closed mold process that uses one hard, rigid mold, one hard, rigid float mold that lies beneath a flexible disposable vacuum bag or membrane that are closed and sealed to form a substantially air impermeable envelope to which negative vacuum pressure, positive applied pressure, or combinations thereof are then applied, causing substantial evacuation of air remaining in the envelope and causing said spacer fabric to collapse and remain collapsed under the influence of said pressures, introducing and distributing resin components through the plurality of voids and spaces remaining within the collapsed spacer fabric until said spacer fabric is fully saturated with said resin components, and cured in the collapsed state. 6. A fiber reinforced plastic composite incorporating a three dimensional spacer fabric having first and second outer woven or knitted fabric layers connected by a plurality of intermediate spacer threads as an interlaminar infusion medium and/or reinforcing composite lamina that is manufactured using a closed mold process that uses one hard, rigid mold, one hard, rigid float mold that lies beneath a flexible reusable vacuum bag or membrane that are closed and sealed to form a substantially air impermeable envelope to which negative vacuum pressure, positive applied pressure, or combinations thereof are then applied, causing substantial evacuation of air remaining in the envelope and causing said spacer fabric to collapse and remain collapsed under the influence of said pressures, introducing and distributing resin components through the plurality of voids and spaces remaining within the collapsed spacer fabric until said spacer fabric is fully saturated with said resin components, and cured in the collapsed state. 7. A fiber reinforced plastic composite incorporating a three dimensional spacer fabric having first and second outer woven or knitted fabric layers connected by a plurality of intermediate spacer threads as an interlaminar infusion medium and/or reinforcing composite lamina, which is previously impregnated with resin, and is manufactured using a closed mold process that uses one hard, rigid mold and one disposable and/or reusable flexible vacuum bag or membrane that are closed and sealed to form a substantially air impermeable envelope to which negative vacuum pressure, positive applied pressure, or combinations thereof are then applied, causing substantially evacuation of air remaining in the envelope and causing said spacer fabric to collapse and remain collapsed under the influence of said pressures, introducing and distributing resin components through the plurality of voids and spaces remaining within the collapsed spacer fabric until said spacer fabric is fully saturated with said resin components, and cured in the collapsed state. 8. A fiber reinforced plastic composite incorporating a three dimensional spacer fabric having first and second outer woven or knitted fabric layers connected by a plurality of intermediate spacer threads as an interlaminar infusion medium and/or reinforcing composite lamina, which is previously impregnated with resin, and is manufactured using a closed mold process that uses two hard, rigid molds that are closed and sealed to form a substantially air impermeable envelope to which negative vacuum pressure, positive applied pressure, or combinations thereof are then applied, causing substantially evacuation of air remaining in the envelope and causing said spacer fabric to collapse and remain collapsed under the influence of said pressures, introducing and distributing resin components through the plurality of voids and spaces remaining within the collapsed spacer fabric until said spacer fabric is fully saturated with said resin components, and cured in the collapsed state. 9. The fiber reinforced composite of claim 1 further comprising at least one layer of fiber reinforcement. 10. The fiber reinforced composite of claim 9 comprising two layers of fiber reinforcement, with said spacer fabric between said two layers. 11. The fiber reinforced composite of claim 1 wherein said spacer fabric is made of one or more of yarn and fiber types selected from the group consisting of polyester, fiberglass, aramid and carbon.
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