Sound-absorbing material for electric vehicle
AssigneesHyundai Motor Company, Kia Corporation, Korea Vilene Co., Ltd., Daehan Solution Co., Ltd
InventorsTae Yoon Kim, Oh Deok Kwon, Keun Young Kim, Kyoung Min Choi, Yong Kgil Jung, Se Young Jung, Jong Oh Kang
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Abstract
Disclosed is a sound-absorbing material for an electric vehicle including a heat-sealed non-woven fabric, a dot-pattern adhesive layer disposed on the heat-sealed non-woven fabric, and a melt blown non-woven fabric disposed on the dot-pattern adhesive layer.
Claims20
A sound-absorbing material for an electric vehicle, the sound-absorbing material comprising:
- a heat-sealed non-woven fabric;
- a dot-pattern adhesive layer disposed on the heat-sealed non-woven fabric;
- and
- a melt blown non-woven fabric disposed on the dot-pattern adhesive layer.
A sound-absorbing material for an electric vehicle, the sound-absorbing material comprising:
- a heat-sealed non-woven fabric;
- a dot-pattern adhesive layer disposed on the heat-sealed non-woven fabric;
- a melt blown non-woven fabric disposed on the dot-pattern adhesive layer;
- a polyurethane foam layer disposed on the melt blown non-woven fabric;
- and
- a heat-sealed non-woven fabric disposed on the polyurethane foam layer.
A sound-absorbing material for an electric vehicle, the sound-absorbing material comprising:
- a heat-sealed non-woven fabric;
- a dot-pattern adhesive layer disposed on the heat-sealed non-woven fabric;
- a melt blown non-woven fabric disposed on the dot-pattern adhesive layer;
- a polyurethane foam layer disposed on the melt blown non-woven fabric;
- a melt blown non-woven fabric disposed on the polyurethane foam layer;
- a dot-pattern adhesive layer disposed on the melt blown non-woven fabric;
- and
- a heat-sealed non-woven fabric disposed on the dot-pattern adhesive layer.
Dependencies are inferred from the claim text.