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IT1039352B - EAR PROTECTION DEVICE FOR SAFETY CASES - Google Patents

EAR PROTECTION DEVICE FOR SAFETY CASES

Info

Publication number
IT1039352B
IT1039352B IT24700/75A IT2470075A IT1039352B IT 1039352 B IT1039352 B IT 1039352B IT 24700/75 A IT24700/75 A IT 24700/75A IT 2470075 A IT2470075 A IT 2470075A IT 1039352 B IT1039352 B IT 1039352B
Authority
IT
Italy
Prior art keywords
protection device
ear protection
safety cases
safety
cases
Prior art date
Application number
IT24700/75A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT1039352B publication Critical patent/IT1039352B/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)
IT24700/75A 1974-06-26 1975-06-24 EAR PROTECTION DEVICE FOR SAFETY CASES IT1039352B (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
IT1039352B true IT1039352B (en) 1979-12-10

Family

ID=23919950

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24700/75A IT1039352B (en) 1974-06-26 1975-06-24 EAR PROTECTION DEVICE FOR SAFETY CASES

Country Status (8)

Country Link
US (1) US3898700A (en)
BR (1) BR7502909A (en)
CA (1) CA1035901A (en)
DE (1) DE2520038C3 (en)
GB (2) GB1468638A (en)
IT (1) IT1039352B (en)
SE (1) SE407663B (en)
ZA (1) ZA752080B (en)

Families Citing this family (11)

* 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
USD729458S1 (en) 2014-05-02 2015-05-12 3M Innovative Properties Company Ear muff attachment housing
USD741550S1 (en) 2014-05-02 2015-10-20 3M Innovative Properties Company Ear muff attachment arm
USD816209S1 (en) 2016-03-28 2018-04-24 3M Innovative Properties Company Respirator inlet port connection seal
JP6895454B2 (en) 2016-03-28 2021-06-30 スリーエム イノベイティブ プロパティズ カンパニー Respirator Conformity Check Sealing Device and Method
USD842982S1 (en) 2016-03-28 2019-03-12 3M Innovative Properties Company Hardhat suspension adapter for half facepiece respirators
WO2017172361A1 (en) 2016-03-28 2017-10-05 3M Innovative Properties Company Multiple chamber respirator sealing devices and methods
KR102426615B1 (en) 2016-03-28 2022-07-28 쓰리엠 이노베이티브 프로퍼티즈 캄파니 Headwear Suspension Attachment Elements
USD827810S1 (en) 2016-03-28 2018-09-04 3M Innovative Properties Company Hardhat suspension adapter for half facepiece respirators

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
US3898700A (en) 1975-08-12
CA1035901A (en) 1978-08-08
DE2520038A1 (en) 1976-01-15
DE2520038C3 (en) 1979-04-12
BR7502909A (en) 1976-07-06
DE2520038B2 (en) 1978-07-27
ZA752080B (en) 1976-06-30
GB1468637A (en) 1977-03-30
GB1468638A (en) 1977-03-30
SE407663B (en) 1979-04-09
SE7507314L (en) 1975-12-29

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