KR102219221B1 - 귀마개를 제조하는 방법 - Google Patents

귀마개를 제조하는 방법 Download PDF

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Publication number
KR102219221B1
KR102219221B1 KR1020207006510A KR20207006510A KR102219221B1 KR 102219221 B1 KR102219221 B1 KR 102219221B1 KR 1020207006510 A KR1020207006510 A KR 1020207006510A KR 20207006510 A KR20207006510 A KR 20207006510A KR 102219221 B1 KR102219221 B1 KR 102219221B1
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KR
South Korea
Prior art keywords
outer layer
elongated core
blowing agent
mold
earplugs
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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.)
Active
Application number
KR1020207006510A
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English (en)
Korean (ko)
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KR20200028495A (ko
Inventor
제임스 피 엔들
제프리 엘 해머
알랜 알 세빌
케네쓰 에프 티터스
Original Assignee
쓰리엠 이노베이티브 프로퍼티즈 캄파니
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Publication of KR20200028495A publication Critical patent/KR20200028495A/ko
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/08—Protective devices for the ears internal, e.g. earplugs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/08—Protective devices for the ears internal, e.g. earplugs
    • A61F11/085—Protective devices for the ears internal, e.g. earplugs including an inner channel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/1266—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being completely encapsulated, e.g. for packaging purposes or as reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3484—Stopping the foaming reaction until the material is heated or re-heated
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
    • C08J9/104—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof
    • C08J9/105—Hydrazines; Hydrazides; Semicarbazides; Semicarbazones; Hydrazones; Derivatives thereof containing sulfur
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
    • B29K2025/04—Polymers of styrene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/4842—Outerwear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/768—Protective equipment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/18—Binary blends of expanding agents
    • C08J2203/184—Binary blends of expanding agents of chemical foaming agent and physical blowing agent, e.g. azodicarbonamide and fluorocarbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2203/00—Foams characterized by the expanding agent
    • C08J2203/22—Expandable microspheres, e.g. Expancel®
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2353/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2353/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Psychology (AREA)
  • Veterinary Medicine (AREA)
  • Acoustics & Sound (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • General Chemical & Material Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Laminated Bodies (AREA)
  • Molding Of Porous Articles (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Headphones And Earphones (AREA)
KR1020207006510A 2012-07-12 2013-06-28 귀마개를 제조하는 방법 Active KR102219221B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/547,189 US8968613B2 (en) 2012-07-12 2012-07-12 Method of making an earplug
US13/547,189 2012-07-12
PCT/US2013/048456 WO2014011412A1 (en) 2012-07-12 2013-06-28 Method of making an earplug

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020157003460A Division KR102088686B1 (ko) 2012-07-12 2013-06-28 귀마개를 제조하는 방법

Publications (2)

Publication Number Publication Date
KR20200028495A KR20200028495A (ko) 2020-03-16
KR102219221B1 true KR102219221B1 (ko) 2021-02-23

Family

ID=48783367

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020207006510A Active KR102219221B1 (ko) 2012-07-12 2013-06-28 귀마개를 제조하는 방법
KR1020157003460A Active KR102088686B1 (ko) 2012-07-12 2013-06-28 귀마개를 제조하는 방법

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020157003460A Active KR102088686B1 (ko) 2012-07-12 2013-06-28 귀마개를 제조하는 방법

Country Status (11)

Country Link
US (3) US8968613B2 (https=)
EP (2) EP3670134B1 (https=)
JP (1) JP6453211B2 (https=)
KR (2) KR102219221B1 (https=)
CN (2) CN104487223A (https=)
AU (1) AU2013289055B2 (https=)
BR (1) BR112015000593A2 (https=)
IL (2) IL236624B (https=)
PL (2) PL2872308T3 (https=)
RU (1) RU2610513C2 (https=)
WO (1) WO2014011412A1 (https=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8968613B2 (en) 2012-07-12 2015-03-03 3M Innovative Properties Company Method of making an earplug
US10660797B2 (en) 2014-05-20 2020-05-26 3M Innovative Properties Company Push-to-fit earplug having an array of cavities
US20150335489A1 (en) * 2014-05-20 2015-11-26 3M Innovative Properties Company Push-To-Fit Earplug Having Geometric Flange Features
DE102015221898B4 (de) * 2015-11-06 2017-11-16 Continental Automotive Gmbh Verfahren zum Herstellen einer Baueinheit und Baueinheit
US11173069B2 (en) 2016-12-21 2021-11-16 3M Innovative Properties Company Earplug with stem comprising a sleeve
CN111065360B (zh) * 2017-09-01 2022-11-04 3M创新有限公司 耳塞组件及其形成方法
USD895901S1 (en) 2017-09-01 2020-09-08 3M Innovative Properties Company Hearing protector
JP7273798B2 (ja) 2017-09-01 2023-05-15 スリーエム イノベイティブ プロパティズ カンパニー 先端キャビティを有する押し嵌め式耳栓
US11186697B2 (en) 2017-12-20 2021-11-30 3M Innovative Properties Company Composite particles, composition and foam compositions containing composite particles, articles, and methods of making and using same
EP3986958A1 (en) 2019-06-18 2022-04-27 3M Innovative Properties Company Compositions and foam compositions containing composite particles, articles, composite particles, and methods
USD906297S1 (en) 2019-09-13 2020-12-29 Apple Inc. Pair of earphones
USD909347S1 (en) 2019-09-20 2021-02-02 Apple Inc. Earphone
WO2021059083A1 (en) * 2019-09-24 2021-04-01 3M Innovative Properties Company Plastic alloy earplug core
KR102324202B1 (ko) * 2021-06-04 2021-11-10 (주)휴코넥 가필터를 갖는 몰드 및 이를 이용한 맞춤형 귀마개 제조 방법
EP4702953A1 (en) * 2024-08-29 2026-03-04 Loop An ear plug

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992000049A1 (en) 1990-06-25 1992-01-09 Cabot Safety Corporation Hearing protective earplug
US5188123A (en) 1990-08-20 1993-02-23 Cabot Safety Corporation Hearing protective earplug having alternative modes of insertion
CN101291639A (zh) 2005-10-10 2008-10-22 卡伯特安全介质股份有限公司 由管形成的具有整体杆的耳塞

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2538339A (en) 1949-09-15 1951-01-16 Mary J Thomas Earplug
US3736929A (en) 1970-07-09 1973-06-05 A Mills Self-shaping earplugs
DE2325823A1 (de) 1973-05-22 1974-12-19 Envac Ets Gehoerschutz
US4434794A (en) 1981-06-15 1984-03-06 Leight Howard S Disposable ear plug
IT1156545B (it) 1982-11-08 1987-02-04 Amplisilence Spa Inserti auricolari fonoassorbenti in materiale polimerico espanso
US4724922A (en) 1986-07-24 1988-02-16 Kalayjian Robert W Acoustic earpiece
US5333622A (en) 1990-08-20 1994-08-02 The Center For Innovative Technology Earplug and hearing devices formed in-situ
US5792998A (en) 1993-04-19 1998-08-11 Cabot Safety Intermediate Corporation Acoustical hearing protective devices utilizing dynamically stiff foam and methods of producing same
US5573015A (en) 1995-03-28 1996-11-12 Williams; Colin D. Extruded ear plug
US5609164A (en) 1995-10-23 1997-03-11 Minnesota Mining And Manufacturing Company Method of forming an earplug containment device
US5799658A (en) 1996-08-15 1998-09-01 Cabot Safety Intermediate Corporation Hearing protective device comprising a foam and a porous component and method of manufacture thereof
SE513688C2 (sv) 1996-12-12 2000-10-23 Dalloz Safety Ab Öronpropp, förfarande för framställning av en integrerad öronpropp samt användning av flermaterial-formsprutning för åstadkommande av en dylik öronpropp
US6345684B1 (en) 1997-04-21 2002-02-12 Bacou Usa Safety, Inc. Checkable earplug
US5811742A (en) 1997-04-21 1998-09-22 Howard S. Leight And Associates, Inc. Dual earplug
US6006857A (en) 1998-05-08 1999-12-28 Howard Leight Industries Earplug with insertion stem
ATE342302T1 (de) * 1999-01-26 2006-11-15 Huntsman Int Llc Thermoplastische polyurethane
US6241042B1 (en) 1999-03-16 2001-06-05 Cabot Safety Intermediate Corporation Hearing protective device
US6695093B1 (en) 2000-01-13 2004-02-24 Aearo Company Earplug
US6408981B1 (en) 2000-09-27 2002-06-25 Saint-Gobain Performance Plastics Corporation Extruded monolithic foam earplug
US20020124851A1 (en) 2000-11-28 2002-09-12 Richard Knauer Hearing protective device and method of making same
US6586483B2 (en) 2001-01-08 2003-07-01 3M Innovative Properties Company Foam including surface-modified nanoparticles
US6613256B2 (en) 2001-02-20 2003-09-02 Awi Licensing Company Mechanical embossing texture differentiation between chemically restricted areas and non-restricted areas
US20030029460A1 (en) * 2001-08-10 2003-02-13 Jim Tiemens Extruded earplug
US6659103B2 (en) 2001-08-10 2003-12-09 Bacou-Dalloz Usa Safety, Inc. Earplug with stiffener
US6568395B2 (en) 2001-08-10 2003-05-27 Bacou-Balloz Usa Safety, Inc. Multiple earplug arrangement
US7052636B2 (en) 2002-01-15 2006-05-30 3M Innovative Properties Company Heat treated profile extruded hook
US20040045558A1 (en) * 2002-09-06 2004-03-11 Duncan Taylor Earplug and method of manufacturing an earplug
US7096872B2 (en) 2002-09-27 2006-08-29 Ligon Sr James T Ear plugs and method of forming same
CN1770992A (zh) * 2003-04-10 2006-05-10 3M创新有限公司 热处理过的形状突出的钩子
US7883769B2 (en) * 2003-06-18 2011-02-08 3M Innovative Properties Company Integrally foamed microstructured article
US6981504B2 (en) 2003-08-21 2006-01-03 Bacou-Dalloz Usa Safety, Inc. Core stiffened earplug
WO2005027776A2 (en) 2003-09-12 2005-03-31 Howard Leight Industries, Llc Earplug with bendable stiffener
US7464786B2 (en) 2004-06-11 2008-12-16 Cabot Safety Intermediate Corporation High sound attenuating hearing protection device
US7475686B2 (en) 2004-10-15 2009-01-13 Cabot Safety Intermediate Corporation Earplug
US7220372B2 (en) 2004-12-01 2007-05-22 Howard Leight Industries, Llc Dual density earplug
PL2263623T3 (pl) * 2005-01-21 2020-09-07 3M Innovative Properties Company Urządzenie do ochrony słuchu z materiałem tłumiącym
US20060202375A1 (en) 2005-03-14 2006-09-14 Jenkins John A Jr Extruded and shaped earplug
US7510046B2 (en) 2005-10-10 2009-03-31 Cabot Safety Intermediate Corporation Low attenuating push-in earplug with integral handle
US7837005B2 (en) 2006-03-21 2010-11-23 Etymotic Research, Inc. Mushroom-shaped push-in foam eartip for use with high-fidelity insert earphones
US20090071487A1 (en) 2007-09-12 2009-03-19 Personics Holdings Inc. Sealing devices
TW200918026A (en) 2007-10-30 2009-05-01 Li-Li Chen Structural improvement of foam earplugs
WO2010134554A1 (ja) * 2009-05-20 2010-11-25 株式会社クラレ 発泡成形体用樹脂組成物、それからなる発泡成形体および容器用栓
US8291911B2 (en) 2009-05-27 2012-10-23 3M Innovative Properties Company Earplug
US8061472B2 (en) 2009-06-03 2011-11-22 Sperian Hearing Protection, Llc Non-roll foam eartip
DE102010021473A1 (de) 2010-05-25 2012-02-16 Siemens Medical Instruments Pte. Ltd. Hörvorrichtung und Verfahren zur Herstellung einer Hörvorrichtung
US8968613B2 (en) 2012-07-12 2015-03-03 3M Innovative Properties Company Method of making an earplug
US8969613B2 (en) 2012-10-31 2015-03-03 Lyondellbasell Acetyls, Llc Removal of aldehydes in acetic acid production

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992000049A1 (en) 1990-06-25 1992-01-09 Cabot Safety Corporation Hearing protective earplug
US5188123A (en) 1990-08-20 1993-02-23 Cabot Safety Corporation Hearing protective earplug having alternative modes of insertion
CN101291639A (zh) 2005-10-10 2008-10-22 卡伯特安全介质股份有限公司 由管形成的具有整体杆的耳塞

Also Published As

Publication number Publication date
IL273743A (en) 2020-05-31
JP2015529483A (ja) 2015-10-08
IL273743B (en) 2022-02-01
EP3670134A1 (en) 2020-06-24
KR102088686B1 (ko) 2020-03-13
AU2013289055A1 (en) 2015-02-05
WO2014011412A1 (en) 2014-01-16
US20180361633A1 (en) 2018-12-20
EP2872308A1 (en) 2015-05-20
US8968613B2 (en) 2015-03-03
EP3670134B1 (en) 2021-10-06
CN104487223A (zh) 2015-04-01
EP2872308B1 (en) 2020-04-08
IL236624B (en) 2020-04-30
JP6453211B2 (ja) 2019-01-16
AU2013289055B2 (en) 2016-07-21
BR112015000593A2 (pt) 2019-12-31
KR20200028495A (ko) 2020-03-16
RU2610513C2 (ru) 2017-02-13
US10065344B2 (en) 2018-09-04
RU2015102521A (ru) 2016-08-27
US11123902B2 (en) 2021-09-21
PL3670134T3 (pl) 2021-12-27
PL2872308T3 (pl) 2020-09-07
US20140015157A1 (en) 2014-01-16
CN110065195A (zh) 2019-07-30
US20150137406A1 (en) 2015-05-21
KR20150034773A (ko) 2015-04-03
IL236624A0 (en) 2015-02-26

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Patent event date: 20200305

Application number text: 1020157003460

Filing date: 20150209

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