公开(公告)号：US20220112354A1

公开(公告)日：2022-04-14

申请号：US17068078

申请日：2020-10-12

Applicant: Bell Textron Inc.

Inventor： Suvankar Mishra

IPC: C08K3/30 ,  B64C7/00 ,  C08J9/02 ,  C08G18/76 ,  C08G18/40 ,  C08G18/08

Abstract: Embodiments are directed to a pourable foam comprising a first resin component comprising a polymeric methylene diphenyl diisocyanate, a second resin component comprising a polyol, and a barium sulfate powder component. The barium sulfate powder component is combined with the second resin component prior to combining the first and second resin components. The barium sulfate component may comprise between 1% and 50% of the pourable foam. The pourable foam may be used to repair or create aircraft components.

公开(公告)号：US20210001589A1

公开(公告)日：2021-01-07

申请号：US17018545

申请日：2020-09-11

Applicant: Bell Textron Inc.

Inventor： Suvankar Mishra ,  Robert Mark Chris ,  Michael D. Ishmael ,  Ronald J. Turner

IPC: B32B3/12 ,  B32B37/06 ,  B32B41/00 ,  B32B27/38 ,  B32B27/28 ,  B32B7/04 ,  B32B5/02 ,  B32B3/06 ,  B32B27/16 ,  B32B7/08 ,  B32B7/02 ,  B32B27/12 ,  B32B3/20

Abstract: In accordance with one embodiment of the present disclosure, a method for manufacturing a honeycomb core sandwich panel includes placing a thermoset facesheet in contact with a thermoplastic honeycomb core without using a separate adhesive and attaching the thermoset facesheet to the thermoplastic honeycomb core by using a curing profile comprising a temperature that is lower than a gel point temperature of the thermoset facesheet and higher than a softening point temperature of the thermoplastic honeycomb core.

公开(公告)号：US20230415448A1

公开(公告)日：2023-12-28

申请号：US18464414

申请日：2023-09-11

Applicant: BELL TEXTRON INC.

Inventor： Suvankar Mishra ,  Robert Mark Chris ,  Michael D. Ishmael ,  Ronald J. Turner

IPC: B32B3/12 ,  B32B37/06 ,  B32B41/00 ,  B32B27/38 ,  B32B27/28 ,  B32B7/04 ,  B32B5/02 ,  B32B3/06 ,  B32B27/16 ,  B32B27/12 ,  B32B3/20 ,  B32B37/14

CPC classification number: B32B3/12 ,  B32B37/06 ,  B32B41/00 ,  B32B27/38 ,  B32B27/285 ,  B32B7/04 ,  B32B27/281 ,  B32B5/02 ,  B32B3/06 ,  B32B27/28 ,  B32B27/16 ,  B32B27/12 ,  B32B3/20 ,  B32B37/146 ,  B32B2309/68 ,  B32B2309/02 ,  B32B2605/18 ,  B32B2307/544 ,  B32B2603/00 ,  B32B2307/712 ,  B32B2260/023 ,  B32B2605/12 ,  B32B2307/552 ,  B32B2439/00 ,  B32B2307/546 ,  B32B2607/00 ,  B32B2605/00 ,  B32B2307/558 ,  B32B2307/54 ,  B32B2250/40 ,  B32B2439/62 ,  B32B2307/732 ,  B32B2260/046 ,  B32B2305/024

Abstract: In accordance with one embodiment of the present disclosure, a method for manufacturing a honeycomb core sandwich panel includes placing a thermoset facesheet in contact with a thermoplastic honeycomb core without using a separate adhesive and attaching the thermoset facesheet to the thermoplastic honeycomb core by using a curing profile comprising a temperature that is lower than a gel point temperature of the thermoset facesheet and higher than a softening point temperature of the thermoplastic honeycomb core.

公开(公告)号：US11440285B2

公开(公告)日：2022-09-13

申请号：US16866288

申请日：2020-05-04

Applicant: Bell Textron Inc.

Inventor： Suvankar Mishra

IPC: G01N5/02 ,  B32B3/30 ,  B29B11/00 ,  B29B11/16

Abstract: An example of a method of manufacturing a component from a composite prepreg includes collecting a specimen from the composite prepreg and quantifying an amount of surface resin of the specimen by submerging the specimen in a container containing a fluid to determine a fluid pickup percentage. Responsive to a determination that the fluid pickup percentage exceeds a predefined threshold value, forming a component from the composite prepreg.

公开(公告)号：US11440277B2

公开(公告)日：2022-09-13

申请号：US16846373

申请日：2020-04-12

Applicant: Bell Textron Inc.

Inventor： Suvankar Mishra

IPC: B29C73/10 ,  B29C73/24 ,  B64F5/40 ,  B29K105/06 ,  B29L31/30

Abstract: A method of repairing an aircraft component having a structural core surrounded by an exterior skin of composite material includes removing damaged material from the component to create a cavity therein that exposes an undamaged portion of the structural core, applying a septum comprising composite material to the undamaged portion of the structural core within the cavity such that an orientation of fibers in the septum matches an orientation of fibers in the exterior skin, placing a repair core onto the septum in the cavity such that cells of the repair core are in alignment with cells of the undamaged portion of the structural core, inserting a shim into the cavity along a perimeter of the repair core, applying a patch that covers the cavity to the exterior skin, and co-curing the septum, shim, and patch to bond the repair core in place within the cavity.

公开(公告)号：US11884794B2

公开(公告)日：2024-01-30

申请号：US17068078

申请日：2020-10-12

Applicant: Bell Textron Inc.

Inventor： Suvankar Mishra

IPC: C08K3/30 ,  B64C7/00 ,  C08J9/02 ,  C08G18/76 ,  C08G18/08 ,  C08G18/40 ,  C08G101/00

CPC classification number: C08K3/30 ,  B64C7/00 ,  C08G18/14 ,  C08G18/40 ,  C08G18/7685 ,  C08J9/02 ,  C08G2101/00 ,  C08J2375/04 ,  C08K2003/3045

Abstract: Embodiments are directed to a pourable foam comprising a first resin component comprising a polymeric methylene diphenyl diisocyanate, a second resin component comprising a polyol, and a barium sulfate powder component. The barium sulfate powder component is combined with the second resin component prior to combining the first and second resin components. The barium sulfate component may comprise between 1% and 50% of the pourable foam. The pourable foam may be used to repair or create aircraft components.

公开(公告)号：US11787148B2

公开(公告)日：2023-10-17

申请号：US17018545

申请日：2020-09-11

Applicant: BELL TEXTRON INC.

Inventor： Suvankar Mishra ,  Robert Mark Chris ,  Michael D. Ishmael ,  Ronald J. Turner

IPC: B32B3/12 ,  B32B37/06 ,  B32B41/00 ,  B32B27/38 ,  B32B27/28 ,  B32B7/04 ,  B32B5/02 ,  B32B3/06 ,  B32B27/16 ,  B32B27/12 ,  B32B3/20 ,  B32B37/14

CPC classification number: B32B3/12 ,  B32B3/06 ,  B32B3/20 ,  B32B5/02 ,  B32B7/04 ,  B32B27/12 ,  B32B27/16 ,  B32B27/28 ,  B32B27/281 ,  B32B27/285 ,  B32B27/38 ,  B32B37/06 ,  B32B37/146 ,  B32B41/00 ,  B32B2250/40 ,  B32B2260/023 ,  B32B2260/046 ,  B32B2305/024 ,  B32B2307/54 ,  B32B2307/544 ,  B32B2307/546 ,  B32B2307/552 ,  B32B2307/558 ,  B32B2307/712 ,  B32B2307/732 ,  B32B2309/02 ,  B32B2309/68 ,  B32B2439/00 ,  B32B2439/62 ,  B32B2603/00 ,  B32B2605/00 ,  B32B2605/12 ,  B32B2605/18 ,  B32B2607/00

Abstract: In accordance with one embodiment of the present disclosure, a method for manufacturing a honeycomb core sandwich panel includes placing a thermoset facesheet in contact with a thermoplastic honeycomb core without using a separate adhesive and attaching the thermoset facesheet to the thermoplastic honeycomb core by using a curing profile comprising a temperature that is lower than a gel point temperature of the thermoset facesheet and higher than a softening point temperature of the thermoplastic honeycomb core.

公开(公告)号：US20210316519A1

公开(公告)日：2021-10-14

申请号：US16846373

申请日：2020-04-12

Applicant: Bell Textron Inc.

Inventor： Suvankar Mishra

IPC: B29C73/10 ,  B29C73/24 ,  B64F5/40

Abstract: A method of repairing an aircraft component having a structural core surrounded by an exterior skin of composite material includes removing damaged material from the component to create a cavity therein that exposes an undamaged portion of the structural core, applying a septum comprising composite material to the undamaged portion of the structural core within the cavity such that an orientation of fibers in the septum matches an orientation of fibers in the exterior skin, placing a repair core onto the septum in the cavity such that cells of the repair core are in alignment with cells of the undamaged portion of the structural core, inserting a shim into the cavity along a perimeter of the repair core, applying a patch that covers the cavity to the exterior skin, and co-curing the septum, shim, and patch to bond the repair core in place within the cavity.