CA2696079A1 - Ecrans faciaux faconnes et procede de production de pieces optiquement transparentes - Google Patents
Ecrans faciaux faconnes et procede de production de pieces optiquement transparentes Download PDFInfo
- Publication number
- CA2696079A1 CA2696079A1 CA2696079A CA2696079A CA2696079A1 CA 2696079 A1 CA2696079 A1 CA 2696079A1 CA 2696079 A CA2696079 A CA 2696079A CA 2696079 A CA2696079 A CA 2696079A CA 2696079 A1 CA2696079 A1 CA 2696079A1
- Authority
- CA
- Canada
- Prior art keywords
- face shield
- visor
- plastic film
- heat
- cooling
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 76
- 239000004033 plastic Substances 0.000 claims abstract description 30
- 229920003023 plastic Polymers 0.000 claims abstract description 30
- 238000009423 ventilation Methods 0.000 claims abstract description 11
- 210000003128 head Anatomy 0.000 claims description 71
- 239000002985 plastic film Substances 0.000 claims description 53
- 229920006255 plastic film Polymers 0.000 claims description 49
- 239000000463 material Substances 0.000 claims description 47
- 230000003287 optical effect Effects 0.000 claims description 47
- 238000000576 coating method Methods 0.000 claims description 36
- 239000011248 coating agent Substances 0.000 claims description 34
- 238000001816 cooling Methods 0.000 claims description 34
- 230000001681 protective effect Effects 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 26
- 238000003856 thermoforming Methods 0.000 claims description 21
- 238000009413 insulation Methods 0.000 claims description 20
- 230000000873 masking effect Effects 0.000 claims description 20
- 239000003570 air Substances 0.000 claims description 18
- 239000012774 insulation material Substances 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 9
- 239000004809 Teflon Substances 0.000 claims description 7
- 229920006362 Teflon® Polymers 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 7
- 239000002557 mineral fiber Substances 0.000 claims description 7
- 238000007666 vacuum forming Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 210000001061 forehead Anatomy 0.000 claims description 5
- 239000012212 insulator Substances 0.000 claims description 5
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 239000006120 scratch resistant coating Substances 0.000 claims description 5
- 229920002457 flexible plastic Polymers 0.000 claims description 4
- 230000000774 hypoallergenic effect Effects 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 229920006397 acrylic thermoplastic Polymers 0.000 claims description 3
- 239000012080 ambient air Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 239000004798 oriented polystyrene Substances 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 8
- 238000010168 coupling process Methods 0.000 claims 8
- 238000005859 coupling reaction Methods 0.000 claims 8
- 239000012790 adhesive layer Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 13
- 239000011521 glass Substances 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 239000013013 elastic material Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 4
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000001815 facial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 244000052769 pathogen Species 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000011115 styrene butadiene Substances 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010011224 Cough Diseases 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 239000005336 safety glass Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004616 structural foam Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/42—Heating or cooling
- B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
- B29C51/422—Heating or cooling of preforms, specially adapted for thermoforming to produce a temperature differential
-
- 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
- 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
- A41D13/1184—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with protection for the eyes, e.g. using shield or visor
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/006—Using vacuum
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/007—Using fluid under pressure
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/10—Forming by pressure difference, e.g. vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0026—Transparent
-
- 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
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Helmets And Other Head Coverings (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US96421007P | 2007-08-10 | 2007-08-10 | |
| US60/964,210 | 2007-08-10 | ||
| US12981808P | 2008-07-22 | 2008-07-22 | |
| US61/129,818 | 2008-07-22 | ||
| PCT/US2008/072708 WO2009023599A1 (fr) | 2007-08-10 | 2008-08-08 | Ecrans faciaux façonnés et procédé de production de pièces optiquement transparentes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2696079A1 true CA2696079A1 (fr) | 2009-02-19 |
Family
ID=40351095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2696079A Abandoned CA2696079A1 (fr) | 2007-08-10 | 2008-08-08 | Ecrans faciaux faconnes et procede de production de pieces optiquement transparentes |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2188109A4 (fr) |
| AU (1) | AU2008287011A1 (fr) |
| CA (1) | CA2696079A1 (fr) |
| WO (1) | WO2009023599A1 (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE534951C2 (sv) * | 2010-06-18 | 2012-02-28 | Facecover Sweden Ab | Motordriven luftrenande respirator (PAPR) |
| FR3108496A1 (fr) * | 2020-03-25 | 2021-10-01 | Bernard BENICHOU | Systeme de confinement individuel |
| WO2021209786A1 (fr) * | 2020-04-14 | 2021-10-21 | Terekas, Uab | Procédé de fabrication d'un dispositif de protection faciale et dispositif de protection faciale |
| US11751616B2 (en) | 2020-08-31 | 2023-09-12 | Amdrecor, Inc. | Face shield and method of use |
| US20220088420A1 (en) * | 2020-09-21 | 2022-03-24 | David T. W. Chiu | Facial guard system |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2680882A (en) * | 1951-01-10 | 1954-06-15 | Hirschmann | Apparatus and method of making goggles |
| CH317863A (de) * | 1954-02-06 | 1956-12-15 | Geng Rene | Gesichtsschutz |
| US3418690A (en) * | 1961-05-10 | 1968-12-31 | Illinois Tool Works | Apparatus for manufacturing plastic container with thickened bead |
| US4381278A (en) * | 1978-12-11 | 1983-04-26 | James River-Dixie/Northern, Inc. | Method for forming a coated paperboard container |
| US4950445A (en) * | 1988-02-05 | 1990-08-21 | Cabot Safety Corporation | Method of vacuum forming disposable faceshield |
| US4955394A (en) * | 1989-01-09 | 1990-09-11 | Dean Glen R | Protective face shield |
| US5206956A (en) * | 1991-10-07 | 1993-05-04 | Olson David V | Protective face shield |
| US5956760A (en) * | 1994-12-05 | 1999-09-28 | Wine; Peggy M. | Facial sunshield with hinged visor/cap |
| IT1282852B1 (it) * | 1995-08-21 | 1998-04-01 | Gor Applic Speciali Srl | Stampo di termoformatura con lame laterali mobili di rifilatura. |
| US5699791A (en) * | 1996-06-04 | 1997-12-23 | Kimberley Clark Corporation | Universal fit face mask |
| US6112333A (en) * | 1998-05-19 | 2000-09-05 | Mazzei; William | Protective helmet for anesthetized patient |
| US6367085B1 (en) * | 1998-12-21 | 2002-04-09 | 3M Innovative Properties Company | Head suspension for an air supplied hood system |
| US6079980A (en) * | 1999-01-11 | 2000-06-27 | Durand; Cecile M. | Dental patient face mask |
| US7725949B2 (en) * | 2004-04-07 | 2010-06-01 | Op-D-Op, Inc. | Ventilated face shield assembly with glare shield |
| US6996846B1 (en) * | 2005-06-02 | 2006-02-14 | Armen Karapetyan | Visor-type face shield for dentist |
-
2008
- 2008-08-08 CA CA2696079A patent/CA2696079A1/fr not_active Abandoned
- 2008-08-08 EP EP08797552.0A patent/EP2188109A4/fr not_active Withdrawn
- 2008-08-08 WO PCT/US2008/072708 patent/WO2009023599A1/fr active Application Filing
- 2008-08-08 AU AU2008287011A patent/AU2008287011A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009023599A1 (fr) | 2009-02-19 |
| AU2008287011A1 (en) | 2009-02-19 |
| EP2188109A4 (fr) | 2013-07-03 |
| EP2188109A1 (fr) | 2010-05-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |
Effective date: 20130417 |