AU2020351844A1 - Push-in earplug and method of making the same using a mandrel - Google Patents

Push-in earplug and method of making the same using a mandrel

Info

Publication number
AU2020351844A1
AU2020351844A1 AU2020351844A AU2020351844A AU2020351844A1 AU 2020351844 A1 AU2020351844 A1 AU 2020351844A1 AU 2020351844 A AU2020351844 A AU 2020351844A AU 2020351844 A AU2020351844 A AU 2020351844A AU 2020351844 A1 AU2020351844 A1 AU 2020351844A1
Authority
AU
Australia
Prior art keywords
earplug
mandrel
push
making
same
Prior art date
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.)
Granted
Application number
AU2020351844A
Other versions
AU2020351844B2 (en
Inventor
James D. Brown
Robert C. Coffin
Jacob H. ELY
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
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 by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Priority claimed from PCT/IB2020/058923 external-priority patent/WO2021059178A1/en
Publication of AU2020351844A1 publication Critical patent/AU2020351844A1/en
Application granted granted Critical
Publication of AU2020351844B2 publication Critical patent/AU2020351844B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

AU2020351844A 2019-09-27 2020-09-24 Push-in earplug and method of making the same using a mandrel Active AU2020351844B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962906758P 2019-09-27 2019-09-27
US62/906,758 2019-09-27
PCT/IB2020/058923 WO2021059178A1 (en) 2019-09-27 2020-09-24 Push-in earplug and method of making the same using a mandrel

Publications (2)

Publication Number Publication Date
AU2020351844A1 true AU2020351844A1 (en) 2021-04-01
AU2020351844B2 AU2020351844B2 (en) 2022-04-14

Family

ID=72885810

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2020351844A Active AU2020351844B2 (en) 2019-09-27 2020-09-24 Push-in earplug and method of making the same using a mandrel

Country Status (9)

Country Link
US (1) US11786408B2 (en)
EP (1) EP4034361A1 (en)
JP (2) JP7203281B2 (en)
KR (1) KR20220070259A (en)
CN (1) CN114521139B (en)
AU (1) AU2020351844B2 (en)
BR (1) BR112022005619A2 (en)
IL (1) IL291683B2 (en)
WO (1) WO2021059178A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022056415A1 (en) * 2020-09-11 2022-03-17 Triton Systems, Inc. Passive non-linear acoustic filters
KR20240118499A (en) 2023-01-27 2024-08-05 한국에너지기술연구원 Core-Shell Catalyst with Improved Durability and Manufacturing Method Thereof

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5333622A (en) * 1990-08-20 1994-08-02 The Center For Innovative Technology Earplug and hearing devices formed in-situ
JPH04336235A (en) * 1991-05-14 1992-11-24 Yokohama Rubber Co Ltd:The Fiber reinforced thermoplastic resin pipe
US6586483B2 (en) * 2001-01-08 2003-07-01 3M Innovative Properties Company Foam including surface-modified nanoparticles
US6659103B2 (en) * 2001-08-10 2003-12-09 Bacou-Dalloz Usa Safety, Inc. Earplug with stiffener
BRPI0413672B1 (en) * 2003-08-19 2016-03-08 Solvay Advanced Polymers Llc film and method for making the same
CN1838929A (en) * 2003-08-21 2006-09-27 巴库-达罗兹美国安全公司 Core stiffened earplug
US6981504B2 (en) * 2003-08-21 2006-01-03 Bacou-Dalloz Usa Safety, Inc. Core stiffened earplug
US8054985B2 (en) * 2003-11-03 2011-11-08 3M Innovative Properties Company Low sound attenuating hearing protection device with filter arrangement
US7220372B2 (en) 2004-12-01 2007-05-22 Howard Leight Industries, Llc Dual density earplug
US8101103B2 (en) * 2007-02-06 2012-01-24 Honeywell International Inc. Earbud and method of manufacture
US8679607B2 (en) * 2012-07-12 2014-03-25 3M Innovative Properties Company Foamable article
US9737439B2 (en) * 2012-07-12 2017-08-22 3M Innovative Properties Company Push-in earplug
US9549855B2 (en) * 2013-02-15 2017-01-24 3M Innovative Properties Company Earplug with tip cavity and methods of manufacturing the same
US9649197B2 (en) * 2013-03-15 2017-05-16 Amedica Corporation Thin-walled implant structures and related methods
US10660797B2 (en) * 2014-05-20 2020-05-26 3M Innovative Properties Company Push-to-fit earplug having an array of cavities

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