CH575232A5 - - Google Patents

Info

Publication number
CH575232A5
CH575232A5 CH635574A CH635574A CH575232A5 CH 575232 A5 CH575232 A5 CH 575232A5 CH 635574 A CH635574 A CH 635574A CH 635574 A CH635574 A CH 635574A CH 575232 A5 CH575232 A5 CH 575232A5
Authority
CH
Switzerland
Application number
CH635574A
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 CH575232A5 publication Critical patent/CH575232A5/xx

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)
  • Materials For Medical Uses (AREA)
  • Stringed Musical Instruments (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
CH635574A 1973-05-22 1974-05-09 CH575232A5 (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
CH575232A5 true CH575232A5 (it) 1976-05-14

Family

ID=5881673

Family Applications (1)

Application Number Title Priority Date Filing Date
CH635574A CH575232A5 (it) 1973-05-22 1974-05-09

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)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4193396A (en) * 1978-04-28 1980-03-18 E-A-R Corporation Paired earplug construction
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
IT1156545B (it) * 1982-11-08 1987-02-04 Amplisilence Spa Inserti auricolari fonoassorbenti in materiale polimerico espanso
US5188123A (en) * 1990-08-20 1993-02-23 Cabot Safety Corporation Hearing protective earplug having alternative modes of insertion
US5203352A (en) * 1990-10-16 1993-04-20 Cabot Safety Corporation Polymeric foam earplug
FR2773988B1 (fr) * 1998-01-29 2000-06-02 Williams Schmit Bouchon protecteur auriculaire
EP1192920A1 (en) * 2000-09-29 2002-04-03 The Procter & Gamble Company Comfortable foam-based ear plugs
US20020124851A1 (en) 2000-11-28 2002-09-12 Richard Knauer Hearing protective device and method of making same
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
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

Also Published As

Publication number Publication date
DE2325823A1 (de) 1974-12-19
NL7406915A (it) 1974-11-26
ES203276Y (es) 1976-06-01
ES203276U (es) 1976-02-16
IT1013805B (it) 1977-03-30
FR2230336A1 (it) 1974-12-20
BE815351A (fr) 1974-09-16
FI154574A (it) 1974-11-23

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Legal Events

Date Code Title Description
PL Patent ceased