CA969481A - Earplugs - Google Patents

Earplugs

Info

Publication number
CA969481A
CA969481A CA155,091A CA155091A CA969481A CA 969481 A CA969481 A CA 969481A CA 155091 A CA155091 A CA 155091A CA 969481 A CA969481 A CA 969481A
Authority
CA
Canada
Prior art keywords
earplugs
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.)
Expired
Application number
CA155,091A
Other languages
English (en)
Other versions
CA155091S (fr
Inventor
Ross Gardner (Jr.)
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.)
National Research Corp
Original Assignee
National Research Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22709352&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA969481(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by National Research Corp filed Critical National Research Corp
Application granted granted Critical
Publication of CA969481A publication Critical patent/CA969481A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • A61F11/10—Protective devices for the ears internal, e.g. earplugs inflatable or expandable
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Acoustics & Sound (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Psychology (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Headphones And Earphones (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
CA155,091A 1971-10-26 1972-10-26 Earplugs Expired CA969481A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00192366A US3811437A (en) 1971-10-26 1971-10-26 Earplugs

Publications (1)

Publication Number Publication Date
CA969481A true CA969481A (en) 1975-06-17

Family

ID=22709352

Family Applications (2)

Application Number Title Priority Date Filing Date
CA155,091A Expired CA969481A (en) 1971-10-26 1972-10-26 Earplugs
CA281,496A Expired CA1022470B (en) 1971-10-26 1977-06-28 Earplugs

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA281,496A Expired CA1022470B (en) 1971-10-26 1977-06-28 Earplugs

Country Status (13)

Country Link
US (2) US3811437A (de)
JP (1) JPS5549859B2 (de)
BE (1) BE790456A (de)
CA (2) CA969481A (de)
CH (1) CH558171A (de)
DE (1) DE2251774C3 (de)
FR (1) FR2158978A5 (de)
GB (1) GB1403097A (de)
HK (1) HK23080A (de)
IT (1) IT975269B (de)
NL (1) NL169678C (de)
SE (2) SE399640B (de)
SU (1) SU648055A3 (de)

Families Citing this family (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52168503U (de) * 1976-06-14 1977-12-21
JPS5338800U (de) * 1976-09-08 1978-04-05
US4193396A (en) * 1978-04-28 1980-03-18 E-A-R Corporation Paired earplug construction
JPS5821275Y2 (ja) * 1979-06-08 1983-05-06 株式会社パイロット 振動ピツクアツプ型イヤ−マイクロホンの感知部
SE443505B (sv) * 1979-11-05 1986-03-03 E A R Corp Horselskydd med fjedrande huvudband
US4461290A (en) * 1980-09-08 1984-07-24 Cabot Corporation Hearing protectors
DE3108261C2 (de) * 1981-03-05 1983-03-24 Rehau Plastiks Ag & Co, 8673 Rehau Verfahren zur Herstellung von Gehörschutz-Stopfen aus Kunststoffschaum
IT1156545B (it) * 1982-11-08 1987-02-04 Amplisilence Spa Inserti auricolari fonoassorbenti in materiale polimerico espanso
US4579112A (en) * 1984-05-17 1986-04-01 Scott Robert T Foam earplug
US4776590A (en) * 1984-05-30 1988-10-11 Krent Edward D Vibration dampening device for sporting rackets
US4609194A (en) * 1984-05-30 1986-09-02 Krent Edward D Vibration dampening device for sporting rackets
US4677679A (en) * 1984-07-05 1987-06-30 Killion Mead C Insert earphones for audiometry
US4724922A (en) * 1986-07-24 1988-02-16 Kalayjian Robert W Acoustic earpiece
US4880076A (en) * 1986-12-05 1989-11-14 Minnesota Mining And Manufacturing Company Hearing aid ear piece having disposable compressible polymeric foam sleeve
US5002151A (en) * 1986-12-05 1991-03-26 Minnesota Mining And Manufacturing Company Ear piece having disposable, compressible polymeric foam sleeve
DK159190C (da) * 1988-05-24 1991-03-04 Steen Barbrand Rasmussen Oereprop til stoejbeskyttet kommunikation mellem brugeren af oereproppen og omgivelserne
JPH02108089U (de) * 1989-02-14 1990-08-28
US4896679A (en) * 1989-05-22 1990-01-30 St Pierre Carol L Method and apparatus for the exclusion of sound and water from the auditory canal
SE8902802L (sv) * 1989-08-23 1991-02-24 Alf Ivarsson Instrument foer infoerande av en sjaelvexpanderande propp i hoerselgaangen foer bullerdaempning
DE3929060A1 (de) * 1989-09-01 1991-03-07 Bobertag Gmbh Gehoerschutzstoepsel
US5044463A (en) * 1989-11-30 1991-09-03 Cabot Corporation Molded foam earplug and method for making same
WO1992000049A1 (en) * 1990-06-25 1992-01-09 Cabot Safety Corporation Hearing protective earplug
US5131411A (en) * 1990-08-20 1992-07-21 Virginia Polytechnic Institute & State University Custom-fitting earplug formed in situ using foaming action
US5188123A (en) * 1990-08-20 1993-02-23 Cabot Safety Corporation Hearing protective earplug having alternative modes of insertion
DE69132146T2 (de) * 1990-08-20 2001-03-01 Cabot Safety Intermediate Corp Gehörschutzohrstöpsel mit alternativen einsetzweisen
US5203352A (en) * 1990-10-16 1993-04-20 Cabot Safety Corporation Polymeric foam earplug
US5153387A (en) * 1990-12-31 1992-10-06 Syracuse University Layered earplug
US5195539A (en) * 1992-03-23 1993-03-23 Minnesota Mining And Manufacturing Company Earplug compression device
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
WO1995009082A1 (en) * 1993-09-28 1995-04-06 Bradford Industries, Inc. Sound attenuation composite and method for forming same
US5483027A (en) * 1994-08-24 1996-01-09 Krause; Ward B. Earplug with form-fitting fluid chambers
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
US5809574A (en) * 1996-08-15 1998-09-22 Cabot Safety Intermediate Corporation Hearing protection device
TW428184B (en) 1998-02-19 2001-04-01 Teijin Ltd Method and apparatus for producing laminated type electronic component
NO307540B1 (no) * 1998-07-24 2000-04-17 Meditron As Hodetelefon
US6358231B1 (en) 1998-08-24 2002-03-19 Biopolymer, Inc. Transdermal anesthetizing solution and method and apparatus for anesthetizing the ear canal and tympanic membrane
US6920956B1 (en) 1999-01-07 2005-07-26 Cabot Safety Intermediate Corporation Detectable earplug and method of manufacture thereof
NZ508104A (en) 1999-03-16 2002-09-27 Cabot Safety Intermediate Corp Hearing protective device
US6129175A (en) * 1999-05-07 2000-10-10 Radians, Inc. Acoustical control plastisol earpieces
US6105715A (en) 1999-11-05 2000-08-22 Aearo Company Multi-color variably attenuating earplug
USD435036S (en) * 1999-11-17 2000-12-12 Koss Corporation Stereophone ear plug
US6695093B1 (en) 2000-01-13 2004-02-24 Aearo Company Earplug
US6484726B1 (en) 2000-06-30 2002-11-26 3M Innovative Properties Company Articulating earplug
US6453476B1 (en) 2000-09-27 2002-09-24 Team Wendy, Llc Protective helmet
US6408981B1 (en) * 2000-09-27 2002-06-25 Saint-Gobain Performance Plastics Corporation Extruded monolithic foam earplug
EP1192920A1 (de) 2000-09-29 2002-04-03 The Procter & Gamble Company Bequeme Ohrstopfen auf Basis von Schaum
US20020124851A1 (en) * 2000-11-28 2002-09-12 Richard Knauer Hearing protective device and method of making same
EP1420736A4 (de) * 2001-08-10 2008-05-28 Bacou Dalloz Usa Safety Inc Ohrstopfen mit versteifungselement
TW200305346A (en) * 2002-04-12 2003-10-16 Nap Entpr Co Ltd Ear pad, and earphone with the pad
US20040045558A1 (en) * 2002-09-06 2004-03-11 Duncan Taylor Earplug and method of manufacturing an earplug
US7078443B2 (en) * 2003-10-22 2006-07-18 Intellectual Property Holdings, Llc Viscoelastic foam layer and composition
US7723395B2 (en) * 2004-04-29 2010-05-25 Kensey Nash Corporation Compressed porous materials suitable for implant
US8389588B2 (en) 2003-12-04 2013-03-05 Kensey Nash Corporation Bi-phasic compressed porous reinforcement materials suitable for implant
US8133500B2 (en) * 2003-12-04 2012-03-13 Kensey Nash Bvf Technology, Llc Compressed high density fibrous polymers suitable for implant
DE102004033719A1 (de) * 2004-07-13 2006-02-16 Uvex Arbeitsschutz Gmbh Gehörschutzstöpsel
US20060037143A1 (en) * 2004-08-18 2006-02-23 Ronald Green Meditation support
US7475686B2 (en) * 2004-10-15 2009-01-13 Cabot Safety Intermediate Corporation Earplug
US20080207790A1 (en) 2004-10-15 2008-08-28 Knauer Richard E Earplug
US20060241197A1 (en) * 2005-04-25 2006-10-26 Velsicol Chemical Corporation Plasticizer compositions for flexible closed cell foams
US7510046B2 (en) 2005-10-10 2009-03-31 Cabot Safety Intermediate Corporation Low attenuating push-in earplug with integral handle
US8596279B2 (en) 2005-11-09 2013-12-03 3M Innovative Properties Company Offset stem for earplug and earplug formed therewith
US20070125812A1 (en) * 2005-11-14 2007-06-07 Loretta Ivison Pin moor
US8844777B2 (en) * 2005-11-14 2014-09-30 Loretta Ivison Pin moor
US20070234629A1 (en) * 2006-02-06 2007-10-11 Brooks Joseph D Self-securing spring bobber
US7837005B2 (en) * 2006-03-21 2010-11-23 Etymotic Research, Inc. Mushroom-shaped push-in foam eartip for use with high-fidelity insert earphones
US7841446B2 (en) * 2007-04-30 2010-11-30 Kimberly-Clark Worldwide, Inc. Bandless hearing protector and method
US7648005B2 (en) * 2007-04-30 2010-01-19 Kimberly-Clark Worldwide, Inc. Clip-style hearing protector
US7708110B2 (en) * 2007-04-30 2010-05-04 Kimberly-Clark Worldwide, Inc. Bandless hearing protector and method
US7984716B2 (en) * 2007-06-22 2011-07-26 Kimberly-Clark Worldwide Inc. Self-conforming sound attenuation earplug
US20100100043A1 (en) * 2007-10-05 2010-04-22 Racenet Danyel J Flexible Access Device For Use In Surgical Procedure
US20090277462A1 (en) * 2008-05-09 2009-11-12 3M Innovative Properties Company Foam earplug in deformable sheath
US8113207B2 (en) * 2008-08-22 2012-02-14 Kimberly-Clark Worldwide, Inc. Self-conforming sound attenuation earplug
US20100195860A1 (en) * 2009-02-05 2010-08-05 Cher Becker Soft shell in-ear earphones with miniature speaker inserts
US10610413B2 (en) * 2009-05-22 2020-04-07 Honeywell Safety Products Usa, Inc. Eartip
US8671949B2 (en) 2009-06-23 2014-03-18 3M Innovative Properties Company Headgear-earwear assembly and a method of assembling same
US8590539B2 (en) 2009-06-23 2013-11-26 3M Innovative Properties Company Headgear-earwear assembly and a method of assembling same
CA2769653A1 (en) * 2009-08-04 2011-02-10 Hearing Components, Inc. Foam compositions with enhanced sound attenuation
US8758436B2 (en) 2009-09-17 2014-06-24 Lawrence G. Clayton Ear insert for relief of TMJ discomfort and headaches
US9198800B2 (en) 2009-10-30 2015-12-01 Etymotic Research, Inc. Electronic earplug for providing communication and protection
US20140352590A1 (en) * 2010-12-29 2014-12-04 Loretta Ivison Pin moor
US8413663B2 (en) 2011-02-04 2013-04-09 Moldex Metric, Inc. Push-in type of earplug with improved insertion stem
WO2015077108A1 (en) * 2013-11-20 2015-05-28 TMJ Health LLC Ear insert for relief of tmj discomfort and headaches
US20150182382A1 (en) * 2013-12-27 2015-07-02 Custom Protect Ear, Inc. Pre-lubricated earplugs and the method of production thereof
JP1568084S (de) * 2015-12-24 2017-01-30
USD789911S1 (en) * 2016-03-14 2017-06-20 Chris J. Katopis Earbud
USD804455S1 (en) * 2016-03-25 2017-12-05 1More Inc. Earphone
US20200276054A1 (en) * 2018-08-21 2020-09-03 Howard S. Leight Compressible Fit Earplug With Planar Insert
US20200121507A1 (en) 2018-10-18 2020-04-23 Moldex-Metric, Inc. Foam earplug with transdermal material

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2262568A (en) * 1939-10-21 1941-11-11 Kenneth L Wade Ear protector
US2538339A (en) * 1949-09-15 1951-01-16 Mary J Thomas Earplug
GB733542A (en) * 1953-10-16 1955-07-13 Gustav Vilhelm Israel Hultgren Improvements relating to ear protectors
US2717596A (en) * 1954-04-26 1955-09-13 John S Knight Cushion mounting for mass impedance resonance filter
US2824558A (en) * 1956-05-24 1958-02-25 Mine Safety Appliances Co Ear plug
US3097059A (en) * 1960-06-23 1963-07-09 Carl G Hoffman Method for forming ear plugs for supporting hearing and receivers
FR1395197A (fr) * 1964-04-22 1965-04-09 Accessoire protecteur pour applications otorhinologiques
DE1766350C3 (de) * 1968-05-08 1979-03-22 Klosterfrau Berlin Chemische, Pharmazeutische, Kosmetische Und Diaetetische Erzeugnisse Gmbh, 1000 Berlin Universeller Lärmschutzpfropfen

Also Published As

Publication number Publication date
SU648055A3 (ru) 1979-02-15
NL169678B (nl) 1982-03-16
IT975269B (it) 1974-07-20
DE2251774B2 (de) 1978-10-05
FR2158978A5 (de) 1973-06-15
SE418572B (sv) 1981-06-15
CA1022470B (en) 1977-12-13
HK23080A (en) 1980-05-09
DE2251774A1 (de) 1973-05-03
GB1403097A (en) 1975-08-13
US3811437A (en) 1974-05-21
NL169678C (nl) 1982-08-16
CH558171A (de) 1975-01-31
JPS5549859B2 (de) 1980-12-15
SE7601690L (sv) 1976-02-16
DE2251774C3 (de) 1980-08-28
SE399640B (sv) 1978-02-27
NL7214437A (de) 1973-05-01
BE790456A (fr) 1973-02-15
JPS4850588A (de) 1973-07-17
USRE29487E (en) 1977-12-06

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