公开(公告)号：US20250067045A1

公开(公告)日：2025-02-27

申请号：US18720743

申请日：2022-12-19

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Raj CN Thiagarajan ,  Christianus Johannes Jacobus Maas ,  Eric Gervais ,  Peter van den Bleek

IPC: E04B1/84

Abstract: A multiwall sheet, comprising: walls extending along a z-axis and extending along an x-axis, wherein the x-axis is orthogonal to the z-axis, wherein the walls comprise plastic, and wherein the walls comprise an upper wall (2), and a lower wall (4), wherein the lower wall (4) is spaced apart from the upper wall (2) along a y-axis, and wherein the y-axis is orthogonal to the z-axis and the x-axis; ribs extending along the z-axis and extending along the y-axis between the upper wall (2) and the lower wall (4), wherein the ribs comprise plastic, and wherein the ribs comprise a first rib (6), and a second rib (8), wherein the second rib (8) is spaced apart from the first rib (6) along the x-axis, and wherein the upper wall (2), the lower wall (4), the first rib (6), and the second rib (8) define a cavity (10) having a width Xcavity and a height Ycavity; and an acoustic resonator (100) in the cavity (10), wherein the acoustic resonator (100) extends along the z-axis, comprises plastic, and comprises a first portion (110) extending in a negative y-axis direction from the upper wall (2) into the cavity (10), a second portion (120) extending in a positive x-axis direction from the first portion (110), and a third portion (130) extending in a positive y-axis direction from the second portion (120).

公开(公告)号：US20250065603A1

公开(公告)日：2025-02-27

申请号：US18721424

申请日：2022-12-12

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Raj CN Thiagarajan ,  Christianus Johannes Joacobus Maas ,  Eric Gervais ,  Alan Powell ,  Tony Bragg

IPC: B32B9/00 ,  B32B3/12 ,  B32B3/30 ,  B32B7/02 ,  B32B7/12 ,  B32B17/10 ,  B32B27/36 ,  E04C2/54

Abstract: A multimaterial sheet includes a first layer (10) comprising a first plastic and having a density of 2.000-5.000 kilograms per cubic meter; a second layer (20) comprising a second plastic, glass, ceramic, or a combination thereof and having a density of 800-5,000 kilograms per cubic meter, wherein the second layer (20) is spaced apart (15) from the first layer (10); a third layer (30) comprising a multiwall sheet and having a density of 50-250 kilograms per cubic meter, or 60-200 kilograms per cubic meter; and a fourth layer (40) comprising a third plastic and having a density of 800-2.000 kilograms per cubic meter, wherein the first layer, the second layer, the third layer, and the fourth layer are stacked along a y-axis.