FR2230336A1 - - Google Patents

Info

Publication number
FR2230336A1
FR2230336A1 FR7417496A FR7417496A FR2230336A1 FR 2230336 A1 FR2230336 A1 FR 2230336A1 FR 7417496 A FR7417496 A FR 7417496A FR 7417496 A FR7417496 A FR 7417496A FR 2230336 A1 FR2230336 A1 FR 2230336A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7417496A
Other languages
French (fr)
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.)
ENVAC ETS
Original Assignee
ENVAC ETS
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 ENVAC ETS filed Critical ENVAC ETS
Publication of FR2230336A1 publication Critical patent/FR2230336A1/fr
Withdrawn legal-status Critical Current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

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)
  • Stringed Musical Instruments (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Materials For Medical Uses (AREA)
FR7417496A 1973-05-22 1974-05-20 Withdrawn FR2230336A1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732325823 DE2325823A1 (de) 1973-05-22 1973-05-22 Gehoerschutz

Publications (1)

Publication Number Publication Date
FR2230336A1 true FR2230336A1 (it) 1974-12-20

Family

ID=5881673

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417496A Withdrawn FR2230336A1 (it) 1973-05-22 1974-05-20

Country Status (8)

Country Link
BE (1) BE815351A (it)
CH (1) CH575232A5 (it)
DE (1) DE2325823A1 (it)
ES (1) ES203276Y (it)
FI (1) FI154574A (it)
FR (1) FR2230336A1 (it)
IT (1) IT1013805B (it)
NL (1) NL7406915A (it)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2424020A1 (fr) * 1978-04-28 1979-11-23 Cabot Corp Ensemble de protection de l'ouie
EP0108728A2 (fr) * 1982-11-08 1984-05-16 AMPLIFON S.p.A. Tampons auriculaires insonorisants en matière polymère expansée
EP0553274A1 (en) * 1990-10-16 1993-08-04 Cabot Safety Corp POLYMER FOAM EARPLUG.
FR2773988A1 (fr) * 1998-01-29 1999-07-30 Williams Schmit Bouchon protecteur auriculaire
EP1192920A1 (en) * 2000-09-29 2002-04-03 The Procter & Gamble Company Comfortable foam-based ear plugs
WO2002043633A1 (en) * 2000-11-28 2002-06-06 Cabot Safety Intermediate Corporation A hearing protective device and method of making same
US8679607B2 (en) 2012-07-12 2014-03-25 3M Innovative Properties Company Foamable article
US8968613B2 (en) 2012-07-12 2015-03-03 3M Innovative Properties Company Method of making an earplug
US9549855B2 (en) 2013-02-15 2017-01-24 3M Innovative Properties Company Earplug with tip cavity and methods of manufacturing the same
US9737439B2 (en) 2012-07-12 2017-08-22 3M Innovative Properties Company Push-in earplug

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4253452A (en) * 1979-05-24 1981-03-03 Specialty Composites Corporation Ear plug assembly
US4434794A (en) * 1981-06-15 1984-03-06 Leight Howard S Disposable ear plug
DE3212322A1 (de) * 1982-04-02 1983-10-06 Hochtemperatur Reaktorbau Gmbh Verfahren zur beherrschung von auslegungs- und hypothetischen stoerfaellen in einem kernkraftwerk
US5188123A (en) * 1990-08-20 1993-02-23 Cabot Safety Corporation Hearing protective earplug having alternative modes of insertion

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2424020A1 (fr) * 1978-04-28 1979-11-23 Cabot Corp Ensemble de protection de l'ouie
EP0108728A2 (fr) * 1982-11-08 1984-05-16 AMPLIFON S.p.A. Tampons auriculaires insonorisants en matière polymère expansée
EP0108728A3 (en) * 1982-11-08 1985-03-27 Amplisilence S.P.A. Sound damping auricular tampons made from expanded polymeric material
EP0553274A1 (en) * 1990-10-16 1993-08-04 Cabot Safety Corp POLYMER FOAM EARPLUG.
EP0553274A4 (en) * 1990-10-16 1993-09-15 Cabot Safety Corporation Polymeric foam earplug
FR2773988A1 (fr) * 1998-01-29 1999-07-30 Williams Schmit Bouchon protecteur auriculaire
EP1192920A1 (en) * 2000-09-29 2002-04-03 The Procter & Gamble Company Comfortable foam-based ear plugs
WO2002026177A1 (en) * 2000-09-29 2002-04-04 The Procter & Gamble Company Comfortable foam-based ear plugs for effective sound attenuation
US7731487B2 (en) 2000-11-28 2010-06-08 3M Innovative Properties Company Mold for forming a hearing protective device
US7727433B2 (en) 2000-11-28 2010-06-01 3M Innovative Properties Company Hearing protective device and method of making the same
WO2002043633A1 (en) * 2000-11-28 2002-06-06 Cabot Safety Intermediate Corporation A hearing protective device and method of making same
US8679607B2 (en) 2012-07-12 2014-03-25 3M Innovative Properties Company Foamable article
US8968613B2 (en) 2012-07-12 2015-03-03 3M Innovative Properties Company Method of making an earplug
US9737439B2 (en) 2012-07-12 2017-08-22 3M Innovative Properties Company Push-in earplug
US10065344B2 (en) 2012-07-12 2018-09-04 3M Innovative Properties Company Method of making a personal protective article
US10441471B2 (en) 2012-07-12 2019-10-15 3M Innovative Properties Company Push-in earplug
US10966867B2 (en) 2012-07-12 2021-04-06 3M Innovative Properties Company Push-in earplug
US11123902B2 (en) 2012-07-12 2021-09-21 3M Innovative Properties Company Method of making a personal protective article
US9549855B2 (en) 2013-02-15 2017-01-24 3M Innovative Properties Company Earplug with tip cavity and methods of manufacturing the same
US10398602B2 (en) 2013-02-15 2019-09-03 3M Innovative Properties Company Earplug with tip cavity and methods of manufacturing the same

Also Published As

Publication number Publication date
DE2325823A1 (de) 1974-12-19
FI154574A (it) 1974-11-23
ES203276Y (es) 1976-06-01
BE815351A (fr) 1974-09-16
ES203276U (es) 1976-02-16
IT1013805B (it) 1977-03-30
NL7406915A (it) 1974-11-26
CH575232A5 (it) 1976-05-14

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Legal Events

Date Code Title Description
ST Notification of lapse