SE7504460L - DEVICE FOR SOUND REDUCTION AND CONTROL OF AIR CIRCUITS FOR PERSONAL, COMPRESSED AIR PROTECTIVE PROTECTIVE ARTICLES. - Google Patents

DEVICE FOR SOUND REDUCTION AND CONTROL OF AIR CIRCUITS FOR PERSONAL, COMPRESSED AIR PROTECTIVE PROTECTIVE ARTICLES.

Info

Publication number
SE7504460L
SE7504460L SE7504460A SE7504460A SE7504460L SE 7504460 L SE7504460 L SE 7504460L SE 7504460 A SE7504460 A SE 7504460A SE 7504460 A SE7504460 A SE 7504460A SE 7504460 L SE7504460 L SE 7504460L
Authority
SE
Sweden
Prior art keywords
protective
personal
control
air
sound reduction
Prior art date
Application number
SE7504460A
Other languages
Swedish (sv)
Other versions
SE400707B (en
Inventor
B Osterback
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
Publication of SE7504460L publication Critical patent/SE7504460L/en
Publication of SE400707B publication Critical patent/SE400707B/en

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)
  • Vascular Medicine (AREA)
  • Emergency Management (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Pulmonology (AREA)
  • Business, Economics & Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
SE7504460A 1974-04-29 1975-04-17 DEVICE FOR SOUND DAMPING AND CONTROL OF AIR CURRENTS IN COMPRESSED AIR USE PERSONAL PROTECTIVE ARTICLES SE400707B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI741302A FI50044C (en) 1974-04-29 1974-04-29 Device for sound attenuation and airflow control in personal protective equipment using compressed air.

Publications (2)

Publication Number Publication Date
SE7504460L true SE7504460L (en) 1975-10-30
SE400707B SE400707B (en) 1978-04-10

Family

ID=8505406

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7504460A SE400707B (en) 1974-04-29 1975-04-17 DEVICE FOR SOUND DAMPING AND CONTROL OF AIR CURRENTS IN COMPRESSED AIR USE PERSONAL PROTECTIVE ARTICLES

Country Status (5)

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

Families Citing this family (14)

* 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 (en) * 2003-05-13 2005-12-08 Dräger Safety AG & Co. KGaA Ventilation system for protective clothing
US7534005B1 (en) 2006-01-04 2009-05-19 Michael Buckman Welding helmet
US7178932B1 (en) * 2006-01-04 2007-02-20 Michael Allen Buckman Welding helmet
DE102014005544A1 (en) 2014-04-16 2015-10-22 Sata Gmbh & Co. Kg Respiratory protection device
CN106309009A (en) * 2015-07-02 2017-01-11 泰克曼(南京)电子有限公司 Welding mask provided with zipper structure and welding mask assembly
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
USD816209S1 (en) 2016-03-28 2018-04-24 3M Innovative Properties Company Respirator inlet port connection seal
USD827810S1 (en) 2016-03-28 2018-09-04 3M Innovative Properties Company Hardhat suspension adapter for half facepiece respirators
CN109069887B (en) 2016-03-28 2021-03-12 3M创新有限公司 Multi-chamber respirator seal apparatus and method
CN108904131B (en) * 2018-07-24 2020-12-01 阜阳安固锅炉压力容器制造有限公司 Intelligent helmet is used in welding
ES2868424A1 (en) * 2020-04-20 2021-10-21 Vilas Joaquin Sabaris PERSONAL HEALTH PROTECTION SCREEN (Machine-translation by Google Translate, not legally binding)
ES2778900A1 (en) * 2020-06-01 2020-08-12 Acad Dental De Mallorca Sl AERIAL DEVICE APPLICABLE TO PERSONAL PROTECTION ELEMENTS (Machine-translation by Google Translate, not legally binding)

Also Published As

Publication number Publication date
DK138254C (en) 1979-01-22
FI50044B (en) 1975-09-01
NO751507L (en) 1975-10-30
DK184775A (en) 1975-10-30
NO139430C (en) 1979-03-14
SE400707B (en) 1978-04-10
NO139430B (en) 1978-12-04
GB1511303A (en) 1978-05-17
DK138254B (en) 1978-08-07
FI50044C (en) 1975-12-10

Similar Documents

Publication Publication Date Title
SE7408979L (en) PROCEDURE AND DEVICE FOR INCREASING THE FEED VALUE OF FORVEDAT GRES.
SE424409B (en) DEVICE FOR LOCAL EXTENSION OF GASES, Fumes AND SIMILAR
SE7509264L (en) PROCEDURE AND DEVICE FOR MANUFACTURE OF METAL FORMS.
SE7800264L (en) PROCEDURE AND DEVICE FOR PROCESSING ECOSIGALS
SE7504460L (en) DEVICE FOR SOUND REDUCTION AND CONTROL OF AIR CIRCUITS FOR PERSONAL, COMPRESSED AIR PROTECTIVE PROTECTIVE ARTICLES.
NL7903458A (en) UNDESTACKING DEVICE FOR PIECES OF TISSUE AND THE LIKE, INCLUDING DOWNLESSING AGENTS.
BR7508124A (en) ABSORBENT PRODUCT AND ARTICLES UNDERSTANDING THE SAME
SE7501042L (en) PROCEDURE AND APPARATUS FOR DETERMINATION OF NITROGEN OXIDES.
BE755660A (en) FLUID EXCHANGER-COOLER, ESPECIALLY GAS AND AIR (
SE409675B (en) DRAWING PROCEDURE AND DRAWING DEVICE FOR PERFORMING THE PROCEDURE
SE7508642L (en) 7-METHOXY-6-TIA-TETRACYCLINES AND PROCEDURES FOR THE MANUFACTURE
SE386540C (en) gas blast
NO152778C (en) PROCEDURE AND DEVICE FOR SAND BLASTING WITH PARTICLES OF SUBLIMABLE MATERIAL.
NL7506212A (en) METHOD AND DEVICE FOR THE MANUFACTURE OF AIR TIRES.
SE7509473L (en) RING-SUBSTITUTED PYRAZINO-ISOKINOLINE DERIVATIVES AND PROCEDURES
SE406186B (en) PLANK CUSHION OF COMPRESSED AIR TYPE
SE7507087L (en) PROCEDURE FOR DAMPING WAVES IN GASES.
SE418520B (en) PROCEDURE AND DEVICE FOR AMPLIFYING MINES
NL7611591A (en) COMPRESSED AIR AGGREGATE.
SE7514476L (en) PROCEDURE AND DEVICE FOR CONTINUOUS MOLDING.
SE415240B (en) PROCEDURES AND DEVICES FOR THE PREPARATION OF FOAM PLASTIC, FOR DISSOLVING MEDIUM PRESSURE AIR
SE414116B (en) RACKETRAM AND PROCEDURE FOR PRODUCING THE SUIT
IT959599B (en) METHOD FOR THE TREATMENT OF GAS AND RELATED EQUIPMENT
SE7510782L (en) PROCEDURE AND DEVICE FOR THE PRODUCTION OF STRINGE FOREMALS
SE7505850L (en) DEVICE FOR CONTINUOUS PRODUCTION AND / OR PROCESSING OF RAILWAY SURFACES.