KR850006150A - 여과용 섬유 성형제품 및 그 제조방법 - Google Patents
여과용 섬유 성형제품 및 그 제조방법 Download PDFInfo
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- KR850006150A KR850006150A KR1019850001995A KR850001995A KR850006150A KR 850006150 A KR850006150 A KR 850006150A KR 1019850001995 A KR1019850001995 A KR 1019850001995A KR 850001995 A KR850001995 A KR 850001995A KR 850006150 A KR850006150 A KR 850006150A
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- Prior art keywords
- fibrous
- filtration
- fibers
- layer
- forming
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- 239000000835 fiber Substances 0.000 title claims 22
- 238000004519 manufacturing process Methods 0.000 title claims 4
- 238000001914 filtration Methods 0.000 claims description 17
- 239000000047 product Substances 0.000 claims 7
- 239000000463 material Substances 0.000 claims 6
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 2
- 239000012535 impurity Substances 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 239000002245 particle Substances 0.000 claims 2
- 239000000706 filtrate Substances 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 230000001148 spastic effect Effects 0.000 claims 1
- 230000002459 sustained effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
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- 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
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- 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
-
- 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
- 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
- B32B5/02—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 structural features of a fibrous or filamentary layer
- B32B5/08—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 structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/558—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in combination with mechanical or physical treatments other than embossing
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/559—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
- B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/718—Weight, e.g. weight per square meter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/903—Microfiber, less than 100 micron diameter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2904—Staple length fiber
- Y10T428/2905—Plural and with bonded intersections only
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/614—Strand or fiber material specified as having microdimensions [i.e., microfiber]
- Y10T442/621—Including other strand or fiber material in a different layer not specified as having microdimensions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/637—Including strand or fiber material which is a monofilament composed of two or more polymeric materials in physically distinct relationship [e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.] or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material
- Y10T442/641—Sheath-core multicomponent strand or fiber material
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Filtering Materials (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 실시예에 따른 최종 안면마스크의 정면도.
제2도는 제1도에 도시된 안면마스크의 단면 일부를 도시한 부분단면도.
제3도는 안면마스크에 부착될 본 발명의 여과제품의 사시도.
* 도면의 주요부분에 대한 간단한 설명
10:마스크 11:마스크 몸체 12:탄성 헤드밴드 13:유연성 금속밴드 14:제1형상층 15:여과층 16:제2형상층 20:마스크
Claims (11)
- 성형에 의해 제조되며 섬유질인 여과용 섬유 성형제품에 있어서, 서로 마주 접촉하는 방식으로 가열 및 성형압력에 의해 조립되게 되는 적어도 두개 이상의 섬유층, 즉, 기본 무게가 전체적으로 입방미터당 250그람 이하이고 또 최종 마무리된 여과제춤을 통과하는 압력강하가 전체적으로 20%이하로 되게하고 또 그중의 적어도 하나는 섬유를 포함하고 있어 상기 섬유 위에 있는 결합물질의 결합에 의해 서로 섬유계면의 접합점에서 결합되게 되는 적어도 하나이상의 형성층과, 상기의 여과용 섬유성형제품을 통과하는 가스흐름으로 부터 상기의 형성층보다 더 높은 비율로 불순물 입자들을 제거하는 작용을 하도록 상기 형성층(들)과의 전게면에서 적어도 섬유가 서로 엉키는 방법에 의해 상기의 형성층과 결합되게 되는 형성층의 기본무게는 입방미터당 85그람 이하인 것을 특징으로 하는 여과용 섬유 성형제품.
- 제1항에 있어서, 상기의 여과층은 평균직경이 10마이크로미터 이하인 멜트-블로운 섬유를 포함하는 것을 특징으로 하는 여과용 섬유 성형제품.
- 제2항에 있어서, 상기의 멜트-브로운 섬유는 지속성 전하를 띠는 것을 특징으로 하는 여과용 섬유 성형제품.
- 제1항에 있어서, 상기의 여과층은 경련성-피막섬유를 포함하는 것을 특징으로 하는 여과용 섬유 성형제품.
- 제1항 내지 4항중의 어느 한항에서, 상기의 형성층은 2성분 섬유를 포함하고 있고, 또 그중의 한 성분이 상기의 결합물질인 것을 특징으로 하는 여과용 섬유 성형제품.
- 제1항 내지 5항중의 어느 한 항에 있어서, 상기의 여과제품의 압력강하는 분당 85미터의 대향속도에서 약 30밀리미터 이하의 수압으로 나타나는 것을 특징으로 하는 여과용 섬유성형제품.
- 제1항 내지 6항중의 어느 한 항에 있어서, 상기 여과층의 양측면에 배열되는 2개의 형성층을 포함하는 것을 특징으로 하는 여과용 섬유 성형제품.
- 제7항에 있어서, 제2형성층의 섬유들은 그 섬유들 위에 있는 결합물질에 의해 서로 섬유계면의 접합점에서 결합되는 것을 특징으로 하는 여과용 섬유 성형제품.
- 여과용 섬유 성형제품의 제조방법에 있어서, 적어도 두개 이상의 섬유층, 즉, 기본 무게가 전체적으로 입방미터당 250그람 이하이고 또, 전제적으로 적어도 5밀리미터 이상의 두께를 갖고 또 그중의 적어도 하나는 섬유를 포함하고 있어 상기 섬유 위에 있는 결합물질의 결합에 의해 서로 섬유계면의 접합점에서 결합되게되는 적어도 하나 이상의 형상층과, 상기 여과용 섬유성형제품을 통과하는 가스흐름으로 부터 상기 형성층보다 더 높은 비율로 불순물입자들을 제거하는 작용을 하는 여과층을 서로 마주 접촉하도록 조립하고, 그후, 상기의 조립품이 비-플랫형이 될 정도로 상기의 조립품에 충분한 가열 및 압력을 가하여 적어도 상기 형성층의 하나 이상의 섬유가 결합물질의 결합에 의해 결합되게하는 방법으로 여과용 섬유성형제품을 제조함으로써, 상기의 형성층이 최종여과제품을 통과하는 압력강하를 전체적으로 20%이하로 일으키고 또 상기의 여여층이 상기의 형성층과의 전계면에서 적어도 섬유가 서로 엉키는 방법에 의해 상기의 형성층과 결합되도록 해주는 것을 특징으로 하는 여과용 섬유 성형제품의 제조방법.
- 제9항에 있어서, 상기의 두 형성층은 각각 적어도 초기두께가 5밀리미터이상의 상태로 상기 여과층의 양측면 각각에 위치되는 것을 특징으로 하는 여과용 섬유 성형제품의 제조방법.
- 제9항에 있어서, 상기 형성층중 적어도 하나는 두 성분중 하나의 성분이 상기의 결합물질인 2 성분섬유를 포함하는 것을 특징으로 하는 여과용 섬유 성형제품의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/593,937 US4536440A (en) | 1984-03-27 | 1984-03-27 | Molded fibrous filtration products |
US593937 | 1984-03-27 |
Publications (2)
Publication Number | Publication Date |
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KR850006150A true KR850006150A (ko) | 1985-10-02 |
KR930001660B1 KR930001660B1 (ko) | 1993-03-08 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019850001995A KR930001660B1 (ko) | 1984-03-27 | 1985-03-26 | 여과용 섬유 성형제품 및 그 제조방법 |
Country Status (11)
Country | Link |
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US (1) | US4536440A (ko) |
EP (1) | EP0162546B1 (ko) |
JP (1) | JPS60215372A (ko) |
KR (1) | KR930001660B1 (ko) |
AU (1) | AU572264B2 (ko) |
BR (1) | BR8501322A (ko) |
CA (1) | CA1252396A (ko) |
DE (1) | DE3576047D1 (ko) |
ES (1) | ES8705254A1 (ko) |
MX (1) | MX160249A (ko) |
ZA (1) | ZA851265B (ko) |
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CA728462A (en) * | 1966-02-22 | Patrick H. Carey, Jr. | Filter face mask | |
US3220409A (en) * | 1961-03-28 | 1965-11-30 | Johnson & Johnson | Face mask |
US3333585A (en) * | 1964-12-14 | 1967-08-01 | Minnesota Mining & Mfg | Cold weather face mask |
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JPS6112704B2 (ko) * | 1974-01-09 | 1986-04-09 | Johnson & Johnson Prod Inc | |
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JPS51133193U (ko) * | 1975-04-14 | 1976-10-27 | ||
DE2717968A1 (de) * | 1976-05-11 | 1977-12-01 | American Optical Corp | Einmal-atemmaske, verfahren und vorrichtung zum herstellen derselben |
GB1596025A (en) * | 1977-03-03 | 1981-08-19 | Ici Ltd | Shaped nonwoven fabrics |
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-
1984
- 1984-03-27 US US06/593,937 patent/US4536440A/en not_active Expired - Lifetime
-
1985
- 1985-02-18 CA CA000474508A patent/CA1252396A/en not_active Expired
- 1985-02-19 ZA ZA851265A patent/ZA851265B/xx unknown
- 1985-02-26 AU AU39164/85A patent/AU572264B2/en not_active Ceased
- 1985-03-01 ES ES540835A patent/ES8705254A1/es not_active Expired
- 1985-03-05 JP JP60043547A patent/JPS60215372A/ja active Granted
- 1985-03-25 EP EP85302044A patent/EP0162546B1/en not_active Expired - Lifetime
- 1985-03-25 BR BR8501322A patent/BR8501322A/pt not_active IP Right Cessation
- 1985-03-25 DE DE8585302044T patent/DE3576047D1/de not_active Expired - Lifetime
- 1985-03-26 KR KR1019850001995A patent/KR930001660B1/ko not_active IP Right Cessation
- 1985-03-26 MX MX204739A patent/MX160249A/es unknown
Also Published As
Publication number | Publication date |
---|---|
EP0162546B1 (en) | 1990-02-14 |
ZA851265B (en) | 1986-09-24 |
DE3576047D1 (de) | 1990-03-22 |
AU3916485A (en) | 1985-10-03 |
JPS60215372A (ja) | 1985-10-28 |
ES540835A0 (es) | 1987-05-01 |
CA1252396A (en) | 1989-04-11 |
JPH0554353B2 (ko) | 1993-08-12 |
EP0162546A1 (en) | 1985-11-27 |
BR8501322A (pt) | 1985-11-19 |
KR930001660B1 (ko) | 1993-03-08 |
AU572264B2 (en) | 1988-05-05 |
MX160249A (es) | 1990-01-12 |
US4536440A (en) | 1985-08-20 |
ES8705254A1 (es) | 1987-05-01 |
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