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US 2026/0100179 A1Published application
Sandwich-Structured Panels and Method of Manufacture
AssigneePratt & Whitney Canada Corp.
InventorsNinad JOSHI, Sid-Ali MESLIOUI
Life of this patent
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Abstract
Sandwich-structured noise-attenuating and/or structural panels and methods of manufacturing such panels using ultrasonic welding are described. The method includes: receiving a backing member, a sheet and a cellular structure; assembling the cellular structure between the backing member and the sheet; and ultrasonically welding the backing member and the sheet together.
Claims6
-15. (canceled)
A sandwich-structured panel comprising:
- a first skin;
- a second skin disposed relative to the first skin to define a cavity between the first and second skins;
- and
- a cellular core disposed in the cavity between the first and second skins;
- wherein:
- the first skin has a peripheral portion disposed outside a periphery of the cellular core;
- the second skin has a peripheral portion disposed outside the periphery of the cellular core and facing the peripheral portion of the first skin, the peripheral portion of the second skin being adjacent the peripheral portion of the first skin;
- and
- the peripheral portion of the first skin and the peripheral portion of the second skin are welded together.
6 more elements
Dependencies are inferred from the claim text.