ZA906965B - Earplug - Google Patents

Earplug

Info

Publication number
ZA906965B
ZA906965B ZA906965A ZA906965A ZA906965B ZA 906965 B ZA906965 B ZA 906965B ZA 906965 A ZA906965 A ZA 906965A ZA 906965 A ZA906965 A ZA 906965A ZA 906965 B ZA906965 B ZA 906965B
Authority
ZA
South Africa
Prior art keywords
earplug
Prior art date
Application number
ZA906965A
Other languages
English (en)
Inventor
Gerhard Bobertag
Bobertag Gerhard
Friedrich Mueller
Mueller Friedrich
Original Assignee
Safety Patentverwertung
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 Safety Patentverwertung filed Critical Safety Patentverwertung
Publication of ZA906965B publication Critical patent/ZA906965B/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)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Psychology (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (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)
  • Helmets And Other Head Coverings (AREA)
  • Headphones And Earphones (AREA)
ZA906965A 1989-09-01 1990-08-31 Earplug ZA906965B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3929060A DE3929060A1 (de) 1989-09-01 1989-09-01 Gehoerschutzstoepsel

Publications (1)

Publication Number Publication Date
ZA906965B true ZA906965B (en) 1991-07-31

Family

ID=6388429

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA906965A ZA906965B (en) 1989-09-01 1990-08-31 Earplug

Country Status (6)

Country Link
EP (1) EP0441946A1 (fr)
AU (1) AU6405890A (fr)
DD (1) DD297553A5 (fr)
DE (1) DE3929060A1 (fr)
WO (1) WO1991003218A1 (fr)
ZA (1) ZA906965B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5203352A (en) * 1990-10-16 1993-04-20 Cabot Safety Corporation Polymeric foam earplug
US5811742A (en) * 1997-04-21 1998-09-22 Howard S. Leight And Associates, Inc. Dual earplug
US7600604B2 (en) 2005-02-04 2009-10-13 Hearing Components, Inc. User disposable member for use within the ear canal and methods for manufacturing the same
US7984716B2 (en) 2007-06-22 2011-07-26 Kimberly-Clark Worldwide Inc. Self-conforming sound attenuation earplug
US8113207B2 (en) 2008-08-22 2012-02-14 Kimberly-Clark Worldwide, Inc. Self-conforming sound attenuation earplug

Family Cites Families (8)

* 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
GB733542A (en) * 1953-10-16 1955-07-13 Gustav Vilhelm Israel Hultgren Improvements relating to ear protectors
DE1697139U (de) * 1954-10-11 1955-04-21 Lothar Adler Vorrichtung zur schalldaempfung fuer ohren.
US3811437A (en) * 1971-10-26 1974-05-21 Cabot Corp Earplugs
SE410785B (sv) * 1978-05-29 1979-11-05 Gehorschutzcenter Wilhelm Und Forfarande och anordning for tillverkning, utan spanbildning, av rotationssymmetriska massiva kroppar av mjuk elastisk cellplast, t ex horselproppar och liknande
DE3441125A1 (de) * 1984-11-10 1986-05-15 geb. Lieschka Ursula 6054 Rodgau Wascher Gehoerschutzstoepsel
US4774938A (en) * 1987-04-09 1988-10-04 Howard S. Leight & Associates, Inc. Slow recovery earplug with largely impenetrable surface
DE8813002U1 (de) * 1988-10-15 1989-01-19 Bialas, Rudolf, 4300 Essen Gehörschutzstöpsel

Also Published As

Publication number Publication date
AU6405890A (en) 1991-04-08
WO1991003218A1 (fr) 1991-03-21
DD297553A5 (de) 1992-01-16
DE3929060A1 (de) 1991-03-07
EP0441946A1 (fr) 1991-08-21

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