ES2022341B3 - Mascarilla facial elastica - Google Patents

Mascarilla facial elastica

Info

Publication number
ES2022341B3
ES2022341B3 ES87302882T ES87302882T ES2022341B3 ES 2022341 B3 ES2022341 B3 ES 2022341B3 ES 87302882 T ES87302882 T ES 87302882T ES 87302882 T ES87302882 T ES 87302882T ES 2022341 B3 ES2022341 B3 ES 2022341B3
Authority
ES
Spain
Prior art keywords
face mask
elastic face
elastic
high specific
filtration layer
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 - Lifetime
Application number
ES87302882T
Other languages
English (en)
Other versions
ES2022341T5 (es
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25304189&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2022341(B3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of ES2022341B3 publication Critical patent/ES2022341B3/es
Publication of ES2022341T5 publication Critical patent/ES2022341T5/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
    • A41D13/1138—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration
    • A41D13/1146—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration obtained by moulding
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/0036—Heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2555/00—Personal care

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Pulmonology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Nonwoven Fabrics (AREA)
  • Filtering Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

MASCARILLA FACIAL ELASTICA (10) COMPRENDIENDO CAPAS MOLDEADAS CON ALTO PESO ESPECIFICO (15, 17) Y UNA CAPA FIBROSA DE FILTRACION (16).
ES87302882T 1986-04-07 1987-04-02 Mascara facial fibrosa para filtracion, resiliente y retenedora de forma. Expired - Lifetime ES2022341T5 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/848,757 US4807619A (en) 1986-04-07 1986-04-07 Resilient shape-retaining fibrous filtration face mask

Publications (2)

Publication Number Publication Date
ES2022341B3 true ES2022341B3 (es) 1991-12-01
ES2022341T5 ES2022341T5 (es) 1995-08-16

Family

ID=25304189

Family Applications (1)

Application Number Title Priority Date Filing Date
ES87302882T Expired - Lifetime ES2022341T5 (es) 1986-04-07 1987-04-02 Mascara facial fibrosa para filtracion, resiliente y retenedora de forma.

Country Status (12)

Country Link
US (1) US4807619A (es)
EP (1) EP0241221B2 (es)
JP (1) JPH0736839B2 (es)
KR (1) KR960004747B1 (es)
AR (1) AR243087A1 (es)
AU (1) AU593076B2 (es)
BR (1) BR8701592A (es)
CA (1) CA1293094C (es)
DE (1) DE3770508D1 (es)
ES (1) ES2022341T5 (es)
MX (1) MX165394B (es)
ZA (1) ZA872455B (es)

Families Citing this family (189)

* Cited by examiner, † Cited by third party
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KR960004747B1 (ko) 1996-04-13
AU593076B2 (en) 1990-02-01
AR243087A1 (es) 1993-07-30
DE3770508D1 (de) 1991-07-11
EP0241221B1 (en) 1991-06-05
EP0241221A1 (en) 1987-10-14
JPH0736839B2 (ja) 1995-04-26
ES2022341T5 (es) 1995-08-16
US4807619A (en) 1989-02-28
MX165394B (es) 1992-11-10
EP0241221B2 (en) 1993-12-29
JPS62243568A (ja) 1987-10-24
CA1293094C (en) 1991-12-17
KR870009734A (ko) 1987-11-30
BR8701592A (pt) 1988-01-26
ZA872455B (en) 1988-11-30
AU7049187A (en) 1987-10-08

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