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
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
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 (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 (9)

* 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
CN109069887B (en) 2016-03-28 2021-03-12 3M创新有限公司 Multi-chamber respirator seal apparatus and method
AU2017240441A1 (en) 2016-03-28 2018-10-18 3M Innovative Properties Company Respirator fit check sealing devices and methods
USD842982S1 (en) 2016-03-28 2019-03-12 3M Innovative Properties Company Hardhat suspension adapter for half facepiece respirators
USD827810S1 (en) 2016-03-28 2018-09-04 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

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
GB1468637A (en) 1977-03-30
DE2520038A1 (en) 1976-01-15
US3898700A (en) 1975-08-12
ZA752080B (en) 1976-06-30
SE407663B (en) 1979-04-09
BR7502909A (en) 1976-07-06
DE2520038C3 (en) 1979-04-12
GB1468638A (en) 1977-03-30
IT1039352B (en) 1979-12-10
SE7507314L (en) 1975-12-29

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