Air conditioning ducts

JP1708053SInactive Publication Date: 2025-03-03児岛 正刚
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Patent Information

Application Number
JP2021006160D
Authority / Receiving Office
JP · JP
Patent Type
Designs
Current Assignee / Owner
Filing Date
2021-03-24
Publication Date
2025-03-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

As shown in the "Reference diagram showing the names of each part," this product is an air conditioning duct in which the outer wall is made of recycled cardboard or the like soaked in a fireproof liquid, metal foil such as aluminum foil is attached to the entire inside surface of the outer wall, and fireproof suspension bars are provided at two corners of the bottom to receive and hold the hanging metal fittings. This configuration provides an air conditioning duct with fireproof properties.
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