CH514332A - Hearing protection device - Google Patents

Hearing protection device

Info

Publication number
CH514332A
CH514332A CH399970A CH399970A CH514332A CH 514332 A CH514332 A CH 514332A CH 399970 A CH399970 A CH 399970A CH 399970 A CH399970 A CH 399970A CH 514332 A CH514332 A CH 514332A
Authority
CH
Switzerland
Prior art keywords
protection device
hearing protection
hearing
protection
Prior art date
Application number
CH399970A
Other languages
German (de)
Inventor
Paul Beguin Fred
Original Assignee
American Optical 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
Application filed by American Optical Corp filed Critical American Optical Corp
Publication of CH514332A publication Critical patent/CH514332A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/16—Ear protection devices
    • A42B3/166—Integral hearing protection
    • 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
    • A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Otolaryngology (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Psychology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Headphones And Earphones (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
CH399970A 1969-07-07 1970-03-17 Hearing protection device CH514332A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83944469A 1969-07-07 1969-07-07

Publications (1)

Publication Number Publication Date
CH514332A true CH514332A (en) 1971-10-31

Family

ID=25279746

Family Applications (1)

Application Number Title Priority Date Filing Date
CH399970A CH514332A (en) 1969-07-07 1970-03-17 Hearing protection device

Country Status (6)

Country Link
US (1) US3541611A (en)
AU (1) AU1460570A (en)
CH (1) CH514332A (en)
DE (1) DE2011771A1 (en)
FR (1) FR2051571A7 (en)
NL (1) NL7003736A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4349081A (en) * 1980-12-08 1982-09-14 Audrey Pepple Method for retaining a hearing aid in place and hearing aid harness
US4843642A (en) * 1985-02-15 1989-07-04 Brower Richard A Combat vehicle crewman helmet
US5023955A (en) * 1989-04-13 1991-06-18 Gentex Corporation Impact-absorbing sound-attenuating earcup
US5628071A (en) * 1995-01-13 1997-05-13 Motorika Ltd. Collapsible helmet
US5724965A (en) * 1995-06-06 1998-03-10 Respironics Inc. Nasal mask
WO2008048453A2 (en) * 2006-10-13 2008-04-24 Exxonmobil Upstream Research Company Improved method of developing a subsurface freeze zone using formation fractures
CA2812333A1 (en) * 2012-04-06 2013-10-06 Andrew James Bingley Apparatus and method for wearing replica cauliflower ears
USD937495S1 (en) * 2020-10-05 2021-11-30 Raymond Zirei Wang Wrestling ear guard with detachable mouth guard
US12011340B2 (en) * 2021-05-11 2024-06-18 Andrew Renee Hearing protection assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2898596A (en) * 1958-02-27 1959-08-11 Clifford P Keen Wrestling helmet
US3190973A (en) * 1960-05-13 1965-06-22 Leonard P Frieder Rigid shell helmet and rigging and sound attenuating means therefor
US3327316A (en) * 1965-04-19 1967-06-27 Vogt Mfg Corp Wrestler's headgear

Also Published As

Publication number Publication date
US3541611A (en) 1970-11-24
NL7003736A (en) 1971-01-11
FR2051571A7 (en) 1971-04-09
DE2011771A1 (en) 1971-01-28
AU1460570A (en) 1971-11-11

Similar Documents

Publication Publication Date Title
BR7016703D0 (en) EXCAVATION DEVICE
BE752556A (en) SEPARATOR DEVICE
BE753023A (en) SEPARATOR DEVICE
BE752555A (en) SEPARATOR DEVICE
CH523615A (en) Lightning protection device
NO741417A (en) Turning device
CH543184A (en) Differential protection device
AT298743B (en) Ventilation device Ventilation device
CH514332A (en) Hearing protection device
FI54445B (en) FOERFARANDE FOER ATT FOERBINDA FOLIESKIKT
AT312187B (en) Holding device
FI50452C (en) Muff
CH502563A (en) Ventilation device
CH482257A (en) Encryption device
AT308413B (en) Drawing device
FI54575B (en) SAETT ATT TEMPORAERT FAESTA PRESSPLAOTAR
BR7019763D0 (en) ACOUSTIC DEVICE
RO73027A (en) INJECTION-INJECTION DEVICE
CH532876A (en) Hearing aid
AT284333B (en) ear protection
CH498604A (en) Holding device
AT335859B (en) SLIP PROTECTION DEVICE
BE756060A (en) PROTECTION DEVICE
BE757793A (en) Deafness device
BE776063A (en) PROTECTION CIRCUIT

Legal Events

Date Code Title Description
PL Patent ceased