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公开(公告)号：US11806948B2
公开(公告)日：2023-11-07
申请号：US16712089
申请日：2019-12-12
申请人： The Boeing Company
CPC分类号： B29C70/446 , B64C3/182 , B29L2031/3076 , B33Y80/00
摘要： Systems and methods are provided for utilizing stringer end caps. One embodiment is a method of forming a stringer. The method includes laying up a stringer preform comprising fiber-reinforced material, placing the stringer preform onto a skin panel preform, bonding an end cap to the stringer preform and the skin panel preform, and co-curing the stringer preform and the skin panel preform while the end cap is bonded to the stringer preform and the skin panel preform, resulting in a composite part that includes the end cap.
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公开(公告)号：US20210178708A1
公开(公告)日：2021-06-17
申请号：US16712089
申请日：2019-12-12
申请人： The Boeing Company
摘要： Systems and methods are provided for utilizing stringer end caps. One embodiment is a method of forming a stringer. The method includes laying up a stringer preform comprising fiber-reinforced material, placing the stringer preform onto a skin panel preform, bonding an end cap to the stringer preform and the skin panel preform, and co-curing the stringer preform and the skin panel preform while the end cap is bonded to the stringer preform and the skin panel preform, resulting in a composite part that includes the end cap.
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公开(公告)号：US12053942B2
公开(公告)日：2024-08-06
申请号：US17647417
申请日：2022-01-07
申请人： The Boeing Company
CPC分类号： B29C70/549 , B29C70/342 , B29C70/543 , B29L2031/3076
摘要： A method, apparatus, system, and computer program product for fabricating a composite part. Composite materials are laid up on a mandrel. A caul is placed over the composite materials laid up on the mandrel. An inner mold line of the caul is sized to an outer surface of the composite materials in a cured state. The composite materials laid up on the mandrel with the caul over the composite materials is cured to form the composite part. The composite materials expand to the inner mold line of the caul during curing of the composite materials to form the composite part.
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公开(公告)号：US20210178706A1
公开(公告)日：2021-06-17
申请号：US16712154
申请日：2019-12-12
申请人： The Boeing Company
摘要： Systems and methods are provided for fabricating composite parts. One embodiment is a method for fabricating a composite part. The method includes forming a skin panel preform comprising fiber reinforced material, disposing rigid end caps at the skin panel preform at end locations of stringer preforms that will be placed at the skin panel, locating the stringer preforms at the skin panel preform via the rigid end caps, and anchoring the stringer preforms to the skin panel preform.
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公开(公告)号：US11718047B2
公开(公告)日：2023-08-08
申请号：US16712154
申请日：2019-12-12
申请人： The Boeing Company
CPC分类号： B29C70/38 , B29C65/7814 , B29C65/7847 , B29L2031/3085 , B32B5/24 , B32B2250/02 , B32B2262/106 , B32B2605/18
摘要： Systems and methods are provided for fabricating composite parts. One embodiment is a method for fabricating a composite part. The method includes forming a skin panel preform comprising fiber reinforced material, disposing rigid end caps at the skin panel preform at end locations of stringer preforms that will be placed at the skin panel, locating the stringer preforms at the skin panel preform via the rigid end caps, and anchoring the stringer preforms to the skin panel preform.
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公开(公告)号：US20230219308A1
公开(公告)日：2023-07-13
申请号：US17647417
申请日：2022-01-07
申请人： The Boeing Company
CPC分类号： B29C70/549 , B29C70/342 , B29C70/543 , B29L2031/3076
摘要： A method, apparatus, system, and computer program product for fabricating a composite part. Composite materials are laid up on a mandrel. A caul is placed over the composite materials laid up on the mandrel. An inner mold line of the caul is sized to an outer surface of the composite materials in a cured state. The composite materials laid up on the mandrel with the caul over the composite materials is cured to form the composite part. The composite materials expand to the inner mold line of the caul during curing of the composite materials to form the composite part.
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