FI50044C - Laite äänen vaimentamiseksi ja ilmavirtauksien ohjaamiseksi paineilmaa käyttävissä henkilökohtaisissa suojaimissa. - Google Patents

Laite äänen vaimentamiseksi ja ilmavirtauksien ohjaamiseksi paineilmaa käyttävissä henkilökohtaisissa suojaimissa.

Info

Publication number
FI50044C
FI50044C FI741302A FI130274A FI50044C FI 50044 C FI50044 C FI 50044C FI 741302 A FI741302 A FI 741302A FI 130274 A FI130274 A FI 130274A FI 50044 C FI50044 C FI 50044C
Authority
FI
Finland
Prior art keywords
compressed air
protective equipment
airflow control
sound attenuation
personal protective
Prior art date
Application number
FI741302A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI50044B (en, 2012
Inventor
Bengt Oesterback
Original Assignee
Kemira Oy
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 Kemira Oy filed Critical Kemira Oy
Priority to FI741302A priority Critical patent/FI50044C/fi
Priority to GB15947/75A priority patent/GB1511303A/en
Priority to SE7504460A priority patent/SE400707B/xx
Priority to NO751507A priority patent/NO139430C/no
Priority to DK184775AA priority patent/DK138254B/da
Application granted granted Critical
Publication of FI50044B publication Critical patent/FI50044B/fi
Publication of FI50044C publication Critical patent/FI50044C/fi

Links

Classifications

    • 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
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
    • A61F9/06—Masks, shields or hoods for welders
    • A61F9/068—Masks, shields or hoods for welders with supply or suction of gas, air or smoke inside or outside the welding hood
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/04—Gas helmets

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Pulmonology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
FI741302A 1974-04-29 1974-04-29 Laite äänen vaimentamiseksi ja ilmavirtauksien ohjaamiseksi paineilmaa käyttävissä henkilökohtaisissa suojaimissa. FI50044C (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI741302A FI50044C (fi) 1974-04-29 1974-04-29 Laite äänen vaimentamiseksi ja ilmavirtauksien ohjaamiseksi paineilmaa käyttävissä henkilökohtaisissa suojaimissa.
GB15947/75A GB1511303A (en) 1974-04-29 1975-04-17 Device for noise suppression and direction of air flow for personal protective headgear operating with compressed air
SE7504460A SE400707B (sv) 1974-04-29 1975-04-17 Anordning for ljuddempning och styrning av luftstrommar i tryckluft nyttjande personliga skyddsartiklar
NO751507A NO139430C (no) 1974-04-29 1975-04-28 Anordning for dempning av lyd og styring av luftstroemmer i trykkluftutnyttende, personlige beskyttelsesartikler
DK184775AA DK138254B (da) 1974-04-29 1975-04-28 Svejsehjelm med frisklufttilførsel.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI741302A FI50044C (fi) 1974-04-29 1974-04-29 Laite äänen vaimentamiseksi ja ilmavirtauksien ohjaamiseksi paineilmaa käyttävissä henkilökohtaisissa suojaimissa.

Publications (2)

Publication Number Publication Date
FI50044B FI50044B (en, 2012) 1975-09-01
FI50044C true FI50044C (fi) 1975-12-10

Family

ID=8505406

Family Applications (1)

Application Number Title Priority Date Filing Date
FI741302A FI50044C (fi) 1974-04-29 1974-04-29 Laite äänen vaimentamiseksi ja ilmavirtauksien ohjaamiseksi paineilmaa käyttävissä henkilökohtaisissa suojaimissa.

Country Status (5)

Country Link
DK (1) DK138254B (en, 2012)
FI (1) FI50044C (en, 2012)
GB (1) GB1511303A (en, 2012)
NO (1) NO139430C (en, 2012)
SE (1) SE400707B (en, 2012)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1587121A (en) * 1976-05-14 1981-04-01 Secr Defence Protective clothing
DE10315607B4 (de) * 2003-05-13 2005-12-08 Dräger Safety AG & Co. KGaA Belüftungssystem für Schutzbekleidung
US7178932B1 (en) * 2006-01-04 2007-02-20 Michael Allen Buckman Welding helmet
US7534005B1 (en) 2006-01-04 2009-05-19 Michael Buckman Welding helmet
DE102014005544A1 (de) 2014-04-16 2015-10-22 Sata Gmbh & Co. Kg Atemschutzvorrichtung
CN106309009A (zh) * 2015-07-02 2017-01-11 泰克曼(南京)电子有限公司 具有拉链结构的焊接面罩以及焊接面罩组件
USD842982S1 (en) 2016-03-28 2019-03-12 3M Innovative Properties Company Hardhat suspension adapter for half facepiece respirators
US11992078B2 (en) 2016-03-28 2024-05-28 3M Innovative Properties Company Headwear suspension attachment element
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
JP6850812B6 (ja) 2016-03-28 2021-04-28 スリーエム イノベイティブ プロパティズ カンパニー 複数チャンバ式呼吸マスクの封止装置及び方法
USD827810S1 (en) 2016-03-28 2018-09-04 3M Innovative Properties Company Hardhat suspension adapter for half facepiece respirators
CN108904131B (zh) * 2018-07-24 2020-12-01 阜阳安固锅炉压力容器制造有限公司 一种焊接用智能头盔
ES2868424A1 (es) * 2020-04-20 2021-10-21 Vilas Joaquin Sabaris Mampara de proteccion sanitaria personal
ES2778900A1 (es) * 2020-06-01 2020-08-12 Acad Dental De Mallorca Sl Dispositivo de aireacion aplicable a elementos de proteccion personal

Also Published As

Publication number Publication date
DK138254B (da) 1978-08-07
NO139430B (no) 1978-12-04
NO751507L (en, 2012) 1975-10-30
SE7504460L (sv) 1975-10-30
NO139430C (no) 1979-03-14
GB1511303A (en) 1978-05-17
DK138254C (en, 2012) 1979-01-22
DK184775A (en, 2012) 1975-10-30
SE400707B (sv) 1978-04-10
FI50044B (en, 2012) 1975-09-01

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