CA1035901A - Ear protecting device for safety caps - Google Patents

Ear protecting device for safety caps

Info

Publication number
CA1035901A
CA1035901A CA225,714A CA225714A CA1035901A CA 1035901 A CA1035901 A CA 1035901A CA 225714 A CA225714 A CA 225714A CA 1035901 A CA1035901 A CA 1035901A
Authority
CA
Canada
Prior art keywords
protecting device
safety caps
ear protecting
ear
caps
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA225,714A
Other languages
English (en)
French (fr)
Inventor
Leo D. Ziegler
Ellison L. Davison
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MSA Safety Inc
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
Priority to CA295,155A priority Critical patent/CA1036751A/en
Application granted granted Critical
Publication of CA1035901A publication Critical patent/CA1035901A/en
Expired legal-status Critical Current

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)
CA225,714A 1974-06-26 1975-04-29 Ear protecting device for safety caps Expired CA1035901A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA295,155A CA1036751A (en) 1974-06-26 1978-01-18 Ear protecting device for safety caps

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
CA1035901A true CA1035901A (en) 1978-08-08

Family

ID=23919950

Family Applications (1)

Application Number Title Priority Date Filing Date
CA225,714A Expired CA1035901A (en) 1974-06-26 1975-04-29 Ear protecting device for safety caps

Country Status (8)

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

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 (sv) * 1977-07-01 1979-07-16 T G Palmaer Anordning vid skyddshjaelm eller ett liknande baerorgan
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
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
CN108883322B (zh) 2016-03-28 2021-09-14 3M创新有限公司 呼吸器密合度检查密封装置和方法
CN108883321A (zh) 2016-03-28 2018-11-23 3M创新有限公司 头戴件悬架附接元件
KR102420496B1 (ko) 2016-03-28 2022-07-13 쓰리엠 이노베이티브 프로퍼티즈 캄파니 다중 챔버 호흡기 밀봉 장치 및 방법
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
DE2520038B2 (de) 1978-07-27
US3898700A (en) 1975-08-12
BR7502909A (pt) 1976-07-06
IT1039352B (it) 1979-12-10
SE407663B (sv) 1979-04-09
DE2520038C3 (de) 1979-04-12
ZA752080B (en) 1976-06-30
SE7507314L (sv) 1975-12-29
GB1468637A (en) 1977-03-30
DE2520038A1 (de) 1976-01-15
GB1468638A (en) 1977-03-30

Similar Documents

Publication Publication Date Title
CA1030834A (en) Safety cap
CA1024451A (en) Ear protecting device
CA1001997A (en) Sliding cover safety package
CA1008807A (en) Safety cap
JPS52547A (en) Protecting helmet
JPS52548A (en) Protecting helmet
CA1027701A (en) Protective helmet
AU499199B2 (en) Safety cap
CA1021901A (en) Auxiliary eye protectors
CA1032202A (en) Lock protecting device
BE846216A (fr) Visiere pour casque de protection
CA1021180A (en) Eye protective visor
CA1035901A (en) Ear protecting device for safety caps
AU504554B2 (en) Protective relay device
CA1025946A (en) Overvoltage protection arrangement
CA1012497A (en) Linkage restraining safety device
CA1021501A (en) Headset retainer for helmet
CA1012845A (en) Safety device for banking vehicles
CA967247A (en) Welding helmet
CA1021937A (en) Protective device for safety shoes
AU504063B2 (en) Safety apparatus for engines
CA1024481A (en) Safety device for aerosol can
AU7650174A (en) Safety cap
AU8762475A (en) System for interference protection
CA977792A (en) Safety device for self-propelled vehicles