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BR8804926A - Dispositivo de filtracao e processo de fabricacao do mesmo - Google Patents

Dispositivo de filtracao e processo de fabricacao do mesmo

Info

Publication number
BR8804926A
BR8804926A BR8804926A BR8804926A BR8804926A BR 8804926 A BR8804926 A BR 8804926A BR 8804926 A BR8804926 A BR 8804926A BR 8804926 A BR8804926 A BR 8804926A BR 8804926 A BR8804926 A BR 8804926A
Authority
BR
Brazil
Prior art keywords
manufacturing process
filtration device
filtration
manufacturing
Prior art date
Application number
BR8804926A
Other languages
English (en)
Inventor
David L Braun
Donald L Melvin
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of BR8804926A publication Critical patent/BR8804926A/pt

Links

Classifications

    • 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
    • A62B18/02—Masks
    • 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
    • A62B18/02—Masks
    • A62B18/025—Halfmasks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0616—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/105—Filters
    • A61M16/106—Filters in a path
    • A61M16/107—Filters in a path in the inspiratory path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2207/00—Methods of manufacture, assembly or production
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/4807—Headwear
    • B29L2031/4835—Masks

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Emergency Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Anesthesiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Zoology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
BR8804926A 1987-09-25 1988-09-23 Dispositivo de filtracao e processo de fabricacao do mesmo BR8804926A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/100,830 US4790306A (en) 1987-09-25 1987-09-25 Respiratory mask having a rigid or semi-rigid, insert-molded filtration element and method of making

Publications (1)

Publication Number Publication Date
BR8804926A true BR8804926A (pt) 1989-05-02

Family

ID=22281757

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8804926A BR8804926A (pt) 1987-09-25 1988-09-23 Dispositivo de filtracao e processo de fabricacao do mesmo

Country Status (11)

Country Link
US (1) US4790306A (pt)
EP (1) EP0309277B1 (pt)
JP (1) JP2781393B2 (pt)
KR (1) KR960005821B1 (pt)
AU (1) AU603249B2 (pt)
BR (1) BR8804926A (pt)
CA (1) CA1322969C (pt)
DE (1) DE3852857T2 (pt)
ES (1) ES2066788T3 (pt)
HK (1) HK167396A (pt)
MX (1) MX165087B (pt)

Families Citing this family (131)

* Cited by examiner, † Cited by third party
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FR2635132B1 (fr) * 1988-08-05 1990-11-09 Vuillermoz Jean Marie Dispositif pour noyer des douilles filetees ou analogues dans une dalle de beton coulee a plat
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US6216693B1 (en) 1995-01-20 2001-04-17 3M Innovative Properties Company Respirator having a compressible press fir filter element
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US11116998B2 (en) 2012-12-27 2021-09-14 3M Innovative Properties Company Filtering face-piece respirator having folded flange
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KR890004740A (ko) 1989-05-09
AU603249B2 (en) 1990-11-08
MX165087B (es) 1992-10-21
US4790306A (en) 1988-12-13
JP2781393B2 (ja) 1998-07-30
EP0309277A2 (en) 1989-03-29
HK167396A (en) 1996-09-13
EP0309277B1 (en) 1995-01-25
DE3852857T2 (de) 1995-08-10
ES2066788T3 (es) 1995-03-16
EP0309277A3 (en) 1990-12-05
AU2116088A (en) 1989-04-06
KR960005821B1 (ko) 1996-05-01
JPH01107776A (ja) 1989-04-25
DE3852857D1 (de) 1995-03-09
CA1322969C (en) 1993-10-12

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