SANDWICH PANEL-TYPE SOUND-ABSORBING PANEL REPAIR METHODS AND SET AND SANDWICH-TYPE SOUND-PROOFING PANEL REPAIR KITS FOR REPAIR THEREOF Russian patent published in 2020 - IPC B32B43/00 E04B1/82 

FIELD: sound-absorbing sandwich panels.

SUBSTANCE: invention relates to repair methods of sound-absorbing sandwich panel and sets for its repair. Technical result is achieved by the fact that the sound-absorbing core of the sound-absorbing sandwich panel repair method includes step of placing a patch for repairing the core in the cell cavity of the sound-absorbing core adjacent to the plurality of damaged walls of the sound-absorbing core of the sound-absorbing sandwich panel; step of applying a patch for repairing the core on said plurality of damaged walls, as well as a step of binding the patch for repairing the core with said plurality of damaged walls with repair, thus, cells of the sound-absorbing core of the sound-absorbing sandwich panel, also technical result is achieved by creating a soundproof sandwich panel repair kit, technical result is achieved by creating such a sound-absorbing sandwich panel.

EFFECT: technical result is creation of method for repair of damaged cell sound-absorbing core of sound-insulating sandwich panel, which is carried out without malfunction of sound-absorbing membranes in cell cavity of sound-absorbing core.

16 cl, 10 dwg