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ZA752080B - Ear protecting device for safety caps - Google Patents

Ear protecting device for safety caps

Info

Publication number
ZA752080B
ZA752080B ZA00752080A ZA752080A ZA752080B ZA 752080 B ZA752080 B ZA 752080B ZA 00752080 A ZA00752080 A ZA 00752080A ZA 752080 A ZA752080 A ZA 752080A ZA 752080 B ZA752080 B ZA 752080B
Authority
ZA
South Africa
Prior art keywords
protecting device
safety caps
ear protecting
ear
caps
Prior art date
Application number
ZA00752080A
Inventor
E Davison
L Ziegler
Original Assignee
Mine Safety Appliances Co
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 Mine Safety Appliances Co filed Critical Mine Safety Appliances Co
Publication of ZA752080B publication Critical patent/ZA752080B/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

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
ZA00752080A 1974-06-26 1975-04-02 Ear protecting device for safety caps ZA752080B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US483409A US3898700A (en) 1974-06-26 1974-06-26 Ear protecting device for safety caps

Publications (1)

Publication Number Publication Date
ZA752080B true ZA752080B (en) 1976-06-30

Family

ID=23919950

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00752080A ZA752080B (en) 1974-06-26 1975-04-02 Ear protecting device for safety caps

Country Status (8)

Country Link
US (1) US3898700A (en)
BR (1) BR7502909A (en)
CA (1) CA1035901A (en)
DE (1) DE2520038C3 (en)
GB (2) GB1468637A (en)
IT (1) IT1039352B (en)
SE (1) SE407663B (en)
ZA (1) ZA752080B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069512A (en) * 1975-05-12 1978-01-24 Tore Georg Palmaer Locating device for ear-muffs on helmets
SE408851B (en) * 1977-07-01 1979-07-16 T G Palmaer DEVICE IN THE SAFETY HELMET OR A SIMILAR CARRYING BODY
WO2011160157A1 (en) * 2010-06-21 2011-12-29 Jorge Miguel Pereira Ear muffs
USD741550S1 (en) 2014-05-02 2015-10-20 3M Innovative Properties Company Ear muff attachment arm
USD827810S1 (en) 2016-03-28 2018-09-04 3M Innovative Properties Company Hardhat suspension adapter for half facepiece respirators
AU2017240444B2 (en) 2016-03-28 2019-10-31 3M Innovative Properties Company Multiple chamber respirator sealing devices and methods
WO2017172510A1 (en) 2016-03-28 2017-10-05 3M Innovative Properties Company Headwear suspension attachment element
USD842982S1 (en) 2016-03-28 2019-03-12 3M Innovative Properties Company Hardhat suspension adapter for half facepiece respirators
USD816209S1 (en) 2016-03-28 2018-04-24 3M Innovative Properties Company Respirator inlet port connection seal
KR102450400B1 (en) 2016-03-28 2022-10-04 쓰리엠 이노베이티브 프로퍼티즈 캄파니 Respiratory compatibility test sealing device and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US306874A (en) * 1884-10-21 Carriage-top prop
US13112A (en) * 1855-06-19 House
US1560718A (en) * 1922-04-12 1925-11-10 Splitdorf Electrical Co Receiver headband
US3375529A (en) * 1966-11-22 1968-04-02 Mine Safety Appliances Co Assembly for mounting face protection devices on headgear
US3430261A (en) * 1967-03-01 1969-03-04 Air Reduction Sound attenuator attachment for a protective helmet
US3562816A (en) * 1969-06-23 1971-02-16 American Optical Corp Attachment mounting means for hearing protector earcups

Also Published As

Publication number Publication date
DE2520038B2 (en) 1978-07-27
IT1039352B (en) 1979-12-10
DE2520038C3 (en) 1979-04-12
SE7507314L (en) 1975-12-29
CA1035901A (en) 1978-08-08
GB1468637A (en) 1977-03-30
GB1468638A (en) 1977-03-30
DE2520038A1 (en) 1976-01-15
US3898700A (en) 1975-08-12
BR7502909A (en) 1976-07-06
SE407663B (en) 1979-04-09

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