JPWO2021251279A1 - - Google Patents

Info

Publication number
JPWO2021251279A1
JPWO2021251279A1 JP2022530528A JP2022530528A JPWO2021251279A1 JP WO2021251279 A1 JPWO2021251279 A1 JP WO2021251279A1 JP 2022530528 A JP2022530528 A JP 2022530528A JP 2022530528 A JP2022530528 A JP 2022530528A JP WO2021251279 A1 JPWO2021251279 A1 JP WO2021251279A1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2022530528A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPWO2021251279A1 publication Critical patent/JPWO2021251279A1/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/007—Addition polymers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Textile Engineering (AREA)
  • Laminated Bodies (AREA)
  • Nonwoven Fabrics (AREA)
JP2022530528A 2020-06-12 2021-06-04 Pending JPWO2021251279A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020102353 2020-06-12
PCT/JP2021/021294 WO2021251279A1 (ja) 2020-06-12 2021-06-04 吸音材、それを用いる吸音パネル及び吸音材の製造方法

Publications (1)

Publication Number Publication Date
JPWO2021251279A1 true JPWO2021251279A1 (ja) 2021-12-16

Family

ID=78846151

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022530528A Pending JPWO2021251279A1 (ja) 2020-06-12 2021-06-04

Country Status (4)

Country Link
JP (1) JPWO2021251279A1 (ja)
CN (1) CN115699163A (ja)
TW (1) TW202210676A (ja)
WO (1) WO2021251279A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023145840A1 (ja) * 2022-01-27 2023-08-03 株式会社イノアック技術研究所 吸音構造施工方法、積層体、積層体の製造方法、吸音材

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003214134A (ja) * 2002-01-22 2003-07-30 Sakamoto Industry Co Ltd 吸音体及び内燃機関用消音器
JP2010043507A (ja) * 2008-08-12 2010-02-25 Kuritee:Kk セルローズファイバーのマット状成形体
EP2896731B1 (en) * 2012-09-14 2018-03-14 Idemitsu Kosan Co., Ltd Multilayer nonwoven fabric and method for producing same

Also Published As

Publication number Publication date
WO2021251279A1 (ja) 2021-12-16
CN115699163A (zh) 2023-02-03
TW202210676A (zh) 2022-03-16

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