US20050114986A1 - Paint particle deflector - Google Patents
Paint particle deflector Download PDFInfo
- Publication number
- US20050114986A1 US20050114986A1 US10/724,230 US72423003A US2005114986A1 US 20050114986 A1 US20050114986 A1 US 20050114986A1 US 72423003 A US72423003 A US 72423003A US 2005114986 A1 US2005114986 A1 US 2005114986A1
- Authority
- US
- United States
- Prior art keywords
- mask
- air
- painter
- shield
- atomizers
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/18—Face protection devices
- A42B3/22—Visors
- A42B3/26—Visors with cleaning means, e.g. wipers ; Movable or interchangeable vision films or sheets
-
- 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
-
- 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
- A62B18/003—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 having means for creating a fresh air curtain
Definitions
- This invention is directed to a device attached to a conventional shielding mask, and employs jets of air to deflect paint particles or the like from the mask.
- U.S. Pat. No. 2,402,820 a welder's mask, shows a shield with a window for filtering undesirable light rays from the flame of the welding apparatus.
- An air supply is arranged at the rear of the mask and attached to the head frame.
- the air supply is delivered by a small air tube to the front portion of the head band and distributed through a plenum tube extending along the head band from one side to the other.
- the plenum has two series of small openings, one series directed upwardly and one downwardly, the holes of each series being staggered.
- This type of delivery of air has an inductive effect and prevents the induction of outside air into the mask. The air also prevents defogging.
- U.S. Pat. No. 2,485,117 is a painters mask.
- an air line is used to supply fresh air to the user.
- the mask is light weight and impervious to air with clips to secure the hood to the back of the head. Its special use is to protect the painter from inhaling spray and provide a vision opening covered by a transparent cellulose sheet, which is held sealed against the mask opening.
- the sheet is wound on a top spool.
- the bottom spool has a turning key so that when the sheet is coated with paint that impairs vision the key is turned to provide a fresh, clean sheet. When the roll has been exhausted, it can be replaced by a fresh roll.
- U.S. Pat. No. 2,971,196 teaches goggles with an attached washing means.
- the device is intended for harness racing drivers who enounter mud on the race track, which is thrown up on their faces.
- a tubular header is attached to the frame with a plurality of orifices spaced along the header. Pressurized water is delivered downwardly against the outer face of the goggles to wash off the mud.
- a knapsack carried on the driver's back and a valve held in the driver's hand initiates the flushing action.
- U.S. Pat. No. 3,231,987 describes a goggle construction for dispersing dust particles from the openings of the goggles wherein cylindrical walls extend about open vision apertures behind which are the goggles.
- the outer ends of the walls are provided with threaded counterbores.
- a threaded adapter ring engages each of the counterbores and is seated against the shoulder of the cylindrical wall.
- header passages Through the wall and ring run header passages. Extending from the header is a longitudinal manifold passage.
- a delivery conduit clipped to a goggle strap delivers air through the mani-fold to a series of circumferential bores on the adapter ring will deliver a cylindrical curtain of air around the vision openings while the inclined bores will deliver a cone shaped curtain of air. In this way a heavy earth-moving equipment operator encountering dust and other foreign particles moving toward the goggle openings will have the same deflected outwardly and forwardly of the goggle openings. Additionally the device will prevent dust
- U.S. Pat. No. 3,921,223 depicts an air shield for welders exposed to noxious fumes.
- a conduit in the form of a yoke is worn around the neck, and is connected to a valve and flexible tube to a source of pressurized air.
- An open end of the yoke is spanned by a transverse pipe having one or more rows of perforations.
- the pipe is rotatable so that the air can be directed at any desired angle with respect to the body of the operator.
- the air shield When the air shield is connected it provides a multiplicity of jets of air moving outwardly to screen the face of the wearer from the rising fumes. The yoke is easily disconnected, and even after mask removal, the air shield is still effective.
- U.S. Pat. No. 3,922,722 is a device for protecting a welding operator's respiratory organs from aerosols.
- the device comprises a housing having a light filter. Below the filter and outside of the housing is a perforated pipe.
- the pipe has a length about equal to the length of the filter. Compressed air from an air duct located on the outside of the housing blows the aerosols up and away from the housing.
- U.S. Pat. No. 4,571,741 teaches an ergonomic helmet that comprises a vizor displaceble between a lowered and raised position, and a system for supplying air to the helmet by an external air source.
- the helmet has a control ensuring ventilation and manipulation of the vizor simultaneously. Normal ventilation ensues with lowering of the helmet, and reduced air admission takes place when the helemt is raised.
- the devices enumerated above, while useful for their intended purpose would not be very effective for filling paint particles.
- a number of these devices direct air within the helmet to prevent defogging of the lens or glass.
- Another apparatus uses goggles with a ring of perforations supported around the head to direct washing fluid downwardly towards the upper part of the goggles. Such washing would only smear paint particles which would have been delivered to the goggles.
- Another device with goggles uses two air flows. One delivers a cylindrical curtain of air outwardly, and the other flow delivers air flow conically so as to deflect dust particles outwardly from the goggles and prevent dust from adhering thereon.
- the apparatus of this invention is adapted to be attached to a conventional eye shielding mask having a respirator unit.
- the device dips on to the top of a face shield housing and delivers compressed air through a plurality of atomized air tips.
- the air is delivered downwardly and forwardly of the face shield, and keeps downwardly falling harmful, light impairing particles and fluids from reaching the shield lens.
- Using the air deflector in combination with the shielding mask is to improve the safety of the worker, who is often averse to using the mask because of sight impairment and consequent danger from missteps, especially when working on a scaffold and engaging in spray painting.
- the paint particle deflector helps to allay the painter's misgivings about impaired vision, and is cost effective, for the workman need not interrupt operations to effectuate shield cleaning.
- FIG. 1 is a perspective view of the eye shielding mask with the air deflector.
- FIG. 2 is a sectional view taken on line 2 - 2 of FIG. 1 .
- FIG. 3 is a plan view of the mask showing the arrangement of the atomizers on the mask.
- FIG. 4 is a side view showing the mask and the air deflector placed over and in front thereof.
- FIG. 5 is a rear view showing the straps connected to the heagonal pies
- FIG. 1 shows a rubber frame that constitutes a shielding mask 1 having a gasket 2 .
- Adhesively fitterd within the gasket is a concave lens or glass shield 3 .
- At the sides near the lower end of the mask adjacent the gasket are two cylindrical projections 4 that contain an air inlets 5 .
- a larger cylindrical projection 6 that is enclosed by a filter 7 for receiving incoming air.
- the filter projects inwardly and a nose piece 8 is attached around the thinner edge of the cylinder.
- Integral with an inner edge of the gasket are 6 tabs 9 to which an equal number of adjustable straps 10 are secured by a conventional snap button 10 a .
- All the straps intersect at a somewhat hexagonically shaped piece 11 located about the mid region in the back of the head.
- the straps secure the mask to the head.
- a 1 ⁇ 4′′ copper tube 12 is fastened in an arc with spring clips 13 around the upper periphery of the gasket. Extending from the tube are five arcuate spaced atomizer tips 14 having a orifices about 0.012′′ to 0.024′′ depending on the viscosity of the paint material.
- Coupled to the tubing is an airline 15 that delivers 2-4 atm.
- the source of the air is a compressor 16 or 4 to 8 hour rechargeable power pack 17 which can be worn around the waist by attaching the pack or compressor to a belt.
- the atomizers extend in front of the glass and deliver pressurized air directly downward so that any falling particles or fluid will be rapidly deflected from the glass or lens shield.
- a valve 19 in the air line above the compressor or pressure pack.
- the workman adjusts the shielding mask on his face and head making sure that all the respirator units are functioning properly. He then fastens the belt with the battery pack or compressor secured thereon and switches on the battery pack to start the air flow. He checks to see if the air is being delivered to the atomizers fastened to deliver pressurized air in front of the shield and if there is air flow commences to paint. If it is found that paint particles are not being deflected completely from the shield, he opens the valve to adjust the rate of flow until a satisfactory rate has been achieved.
Abstract
A painter's mask has an aperture in which is inserted a glass or lens protective shield. The shield has a gasket having an upper edge on which is attached a header arranged in an arc. Projecting from the arc are a number of spaced atomizers which deliver jets of pressurized air over and in front of the shield to deflect falling paint particles and liquid from the shield during a paining operation.
Description
- The first application claimed priority based on provisional application 60/281,719 filed on Apr. 6, 2001; however, this priority has become null nd void because of the following circumstances. This application was assigned an application Ser. No. of 10/115,926, a filing date of Apr. 5, 2002 and an Art Unit of 3765. The Attorney inadvertently overlooked a requirement that Substitute Drawings were required under 37 CFR 1.84 and a two month period for resaponse from the date of the notice May 15, 2002. The Attorney only discovered the error by chance. He inquired from Art Unit 3765 about a month ago why he was not getting any response to the patent application, and as explained above, he discovered the facts. Accordingly, while he never did get an official Notice of Abandonment of application Ser. No. 10/115,926, he presume it to be so. Therefore the present application cannot be considered a Continuation application of application Ser. No. 10/115,926.
- This invention is directed to a device attached to a conventional shielding mask, and employs jets of air to deflect paint particles or the like from the mask.
- There are a number of protective masks equipped with lenses or glass wherein a frame is provided with a hose for supplying jets of compressed fluid for removal and deflection of gases, particles, etc. from the mask and its shield as exemplified by the patents cited below.
- U.S. Pat. No. 2,402,820, a welder's mask, shows a shield with a window for filtering undesirable light rays from the flame of the welding apparatus. An air supply is arranged at the rear of the mask and attached to the head frame. The air supply is delivered by a small air tube to the front portion of the head band and distributed through a plenum tube extending along the head band from one side to the other. The plenum has two series of small openings, one series directed upwardly and one downwardly, the holes of each series being staggered. This type of delivery of air has an inductive effect and prevents the induction of outside air into the mask. The air also prevents defogging.
- U.S. Pat. No. 2,485,117 is a painters mask. In this device an air line is used to supply fresh air to the user. The mask is light weight and impervious to air with clips to secure the hood to the back of the head. Its special use is to protect the painter from inhaling spray and provide a vision opening covered by a transparent cellulose sheet, which is held sealed against the mask opening. The sheet is wound on a top spool. The bottom spool has a turning key so that when the sheet is coated with paint that impairs vision the key is turned to provide a fresh, clean sheet. When the roll has been exhausted, it can be replaced by a fresh roll.
- U.S. Pat. No. 2,971,196 teaches goggles with an attached washing means. The device is intended for harness racing drivers who enounter mud on the race track, which is thrown up on their faces. There is a frame for the goggles and a strap for attachment to the head. A tubular header is attached to the frame with a plurality of orifices spaced along the header. Pressurized water is delivered downwardly against the outer face of the goggles to wash off the mud. A knapsack carried on the driver's back and a valve held in the driver's hand initiates the flushing action.
- U.S. Pat. No. 3,231,987 describes a goggle construction for dispersing dust particles from the openings of the goggles wherein cylindrical walls extend about open vision apertures behind which are the goggles. The outer ends of the walls are provided with threaded counterbores. A threaded adapter ring engages each of the counterbores and is seated against the shoulder of the cylindrical wall. Through the wall and ring run header passages. Extending from the header is a longitudinal manifold passage. A delivery conduit clipped to a goggle strap delivers air through the mani-fold to a series of circumferential bores on the adapter ring will deliver a cylindrical curtain of air around the vision openings while the inclined bores will deliver a cone shaped curtain of air. In this way a heavy earth-moving equipment operator encountering dust and other foreign particles moving toward the goggle openings will have the same deflected outwardly and forwardly of the goggle openings. Additionally the device will prevent dust adherence to the goggles.
- U.S. Pat. No. 3,921,223 depicts an air shield for welders exposed to noxious fumes. A conduit in the form of a yoke is worn around the neck, and is connected to a valve and flexible tube to a source of pressurized air. An open end of the yoke is spanned by a transverse pipe having one or more rows of perforations. The pipe is rotatable so that the air can be directed at any desired angle with respect to the body of the operator. When the air shield is connected it provides a multiplicity of jets of air moving outwardly to screen the face of the wearer from the rising fumes. The yoke is easily disconnected, and even after mask removal, the air shield is still effective.
- U.S. Pat. No. 3,922,722 is a device for protecting a welding operator's respiratory organs from aerosols. The device comprises a housing having a light filter. Below the filter and outside of the housing is a perforated pipe. The pipe has a length about equal to the length of the filter. Compressed air from an air duct located on the outside of the housing blows the aerosols up and away from the housing.
- U.S. Pat. No. 4,571,741 teaches an ergonomic helmet that comprises a vizor displaceble between a lowered and raised position, and a system for supplying air to the helmet by an external air source. The helmet has a control ensuring ventilation and manipulation of the vizor simultaneously. Normal ventilation ensues with lowering of the helmet, and reduced air admission takes place when the helemt is raised.
- The devices enumerated above, while useful for their intended purpose would not be very effective for filling paint particles. For one, a number of these devices direct air within the helmet to prevent defogging of the lens or glass. Another apparatus uses goggles with a ring of perforations supported around the head to direct washing fluid downwardly towards the upper part of the goggles. Such washing would only smear paint particles which would have been delivered to the goggles. Another device with goggles uses two air flows. One delivers a cylindrical curtain of air outwardly, and the other flow delivers air flow conically so as to deflect dust particles outwardly from the goggles and prevent dust from adhering thereon. While this device functions well with a randomized circulation of dust particles, wherein the vision openings are afforded a certain amount of protection because the vision openings are within enclosed cylindrical walls, the presence of heavier paint particles falling vertically requires greater air contact and higher pressure than provided by the above described flow. Similarly upwardly and outwardly flowing jets of air that prevent upwardly flowing fumes of gas from reaching the shielding masks require much less pressure to deflect the fumes and gases than downwardly flowing paint particles which are aided by gravitational force, whereas the lighter gases must also contend with gravitation.
- Accordingly it is an object of this invention to provide a paint particle deflector which would efficiently deflect paint particles from a shielding mask.
- It is also an object of this invention to fit a protective mask worn by craftsmen such as painters with an attachment that furnishes a pressurized air shield that will readily deflect paint particles from the mask.
- It is still an object of this invention to adquately insure the safety of the user by ennabling unimpaired vision through the glass or lens of the mask while engaged in spray painting.
- It is addittionally an object of this invention to reduce the downtime of operation by eliminating the necessity of halting work to dean the mask shield.
- The apparatus of this invention is adapted to be attached to a conventional eye shielding mask having a respirator unit. The device dips on to the top of a face shield housing and delivers compressed air through a plurality of atomized air tips. The air is delivered downwardly and forwardly of the face shield, and keeps downwardly falling harmful, light impairing particles and fluids from reaching the shield lens. Using the air deflector in combination with the shielding mask is to improve the safety of the worker, who is often averse to using the mask because of sight impairment and consequent danger from missteps, especially when working on a scaffold and engaging in spray painting. The paint particle deflector helps to allay the painter's misgivings about impaired vision, and is cost effective, for the workman need not interrupt operations to effectuate shield cleaning.
-
FIG. 1 is a perspective view of the eye shielding mask with the air deflector. -
FIG. 2 is a sectional view taken on line 2-2 ofFIG. 1 . -
FIG. 3 is a plan view of the mask showing the arrangement of the atomizers on the mask. -
FIG. 4 is a side view showing the mask and the air deflector placed over and in front thereof. -
FIG. 5 is a rear view showing the straps connected to the heagonal pies -
FIG. 1 shows a rubber frame that constitutes a shieldingmask 1 having agasket 2. Adhesively fitterd within the gasket is a concave lens orglass shield 3. At the sides near the lower end of the mask adjacent the gasket are twocylindrical projections 4 that contain anair inlets 5. Between the two outlets and front and center is a largercylindrical projection 6 that is enclosed by afilter 7 for receiving incoming air. The filter projects inwardly and a nose piece 8 is attached around the thinner edge of the cylinder. Integral with an inner edge of the gasket are 6tabs 9 to which an equal number ofadjustable straps 10 are secured by a conventional snap button 10 a. There are two straps on each upper and lower side and two straps extend from the top. All the straps intersect at a somewhat hexagonicallyshaped piece 11 located about the mid region in the back of the head. The straps secure the mask to the head. A ¼″copper tube 12 is fastened in an arc withspring clips 13 around the upper periphery of the gasket. Extending from the tube are five arcuate spacedatomizer tips 14 having a orifices about 0.012″ to 0.024″ depending on the viscosity of the paint material. Coupled to the tubing is anairline 15 that delivers 2-4 atm. The source of the air is acompressor rechargeable power pack 17 which can be worn around the waist by attaching the pack or compressor to a belt. The atomizers extend in front of the glass and deliver pressurized air directly downward so that any falling particles or fluid will be rapidly deflected from the glass or lens shield. A valve 19 in the air line above the compressor or pressure pack. - In operation, the workman adjusts the shielding mask on his face and head making sure that all the respirator units are functioning properly. He then fastens the belt with the battery pack or compressor secured thereon and switches on the battery pack to start the air flow. He checks to see if the air is being delivered to the atomizers fastened to deliver pressurized air in front of the shield and if there is air flow commences to paint. If it is found that paint particles are not being deflected completely from the shield, he opens the valve to adjust the rate of flow until a satisfactory rate has been achieved.
- It should be noted that although a preferred embodiment of this invention has been disclosed, it is to be understood that various modifications that would occur to one skilled in the art could be made without departing from the subject matter as defined by the following claims.
Claims (7)
1. A painter's mask including a respirator unit comprising:
a) a frame of rubber like material having a front, sides and a top, a number of adjustable straps arranged at said sides and top for securing said mask around said painter's face and back of a head,
b) an aperture in said front, a glass shield of concave shape inserted in said aperture and a gasket surrounding a periphery of said shield, said shield adhesively affixed to said gasket,
c) a tubular header attached to an upperside of said gasket. and a plurality of spaced atomizers projecting outwardly from said header and in front of said shield, said atomizers being arranged in an arc,
d) a flexible hose connected to said header, a power pack fastened on a belt, said belt secured around a body of said painter's mask, said power pack when activated delivering pressurized air through said flexible hose and to said header,
e) a valve on said flexible hose above said power pack for controlling flow of said pressurized air, said air being distributed from said header to said spaced atomizers, said atomizers effecting downwardly flowing jets of air, said jets deflecting paint particles and fluid from said glass shield as a painting operation commences.
2. A painter's mask as in claim 1 wherein said air is delivered to said atomizers at a pressure in the range of 2-4 atm.
3. A painter's mask as in claim 2 wherein said atomizers have orifices of about 0.012″-024″.
4. A painter's mask wherein there are two straps on each side of said mask and two straps on said top, all of said straps intersecting a hexagon like strip at said back of said head.
5. A painter's mask wherein there are five spaced atomizers arranged in an arc in front of and over said shield.
6. A painter's mask as in claim 1 wherein said tubular header is a ¼″ copper pipe and said header is attached to said gasket with spring slips.
7. A painter's mask as in claim 1 wherein said air is supplied through a compressor and said glass shield is a lens.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/724,230 US20050114986A1 (en) | 2003-12-01 | 2003-12-01 | Paint particle deflector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/724,230 US20050114986A1 (en) | 2003-12-01 | 2003-12-01 | Paint particle deflector |
Publications (1)
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US20050114986A1 true US20050114986A1 (en) | 2005-06-02 |
Family
ID=34620039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/724,230 Abandoned US20050114986A1 (en) | 2003-12-01 | 2003-12-01 | Paint particle deflector |
Country Status (1)
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US (1) | US20050114986A1 (en) |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080110465A1 (en) * | 2006-05-01 | 2008-05-15 | Welchel Debra N | Respirator with exhalation vents |
US20090044812A1 (en) * | 2007-08-16 | 2009-02-19 | Welchel Debra N | Strap fastening system for a disposable respirator providing improved donning |
US20090300829A1 (en) * | 2008-06-06 | 2009-12-10 | Adam Matthew Spielvogel | Face Mask with Air Flow Means |
US20090300811A1 (en) * | 2005-12-15 | 2009-12-10 | Sven-Ingvar Lundahl | Pair of protective goggles |
US20100224199A1 (en) * | 2006-05-01 | 2010-09-09 | Kimberly-Clark Worldwide, Inc. | Respirator |
RU2464921C1 (en) * | 2011-04-11 | 2012-10-27 | Федеральное государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный аграрный университет" | Heat-reflecting helmet with water-cooling |
WO2013028148A1 (en) | 2011-08-24 | 2013-02-28 | Kikuyama Kendall Masao | Protective spray painter eyewear |
US20140026300A1 (en) * | 2012-07-27 | 2014-01-30 | Honeywell International, Inc. | Airflow barrier system for protective eyewear |
FR2994853A1 (en) * | 2012-09-06 | 2014-03-07 | Aircelle Sa | Respiratory protection equipment for protection assembly used to protect operator from dust, in aircraft manufacturing industry, has mask equipped with external pipe for injecting portion of air into external surface of visor |
US20140071294A1 (en) * | 2012-09-12 | 2014-03-13 | Bae Systems Information And Electronic Systems Integration Inc. | Face mounted extreme environment thermal sensor system |
US8899743B2 (en) | 2011-08-24 | 2014-12-02 | Kendall Masao Kikuyama | Protective spray painter eyewear |
GB2524565A (en) * | 2014-03-27 | 2015-09-30 | R V Technology Llp | Visor |
USD746439S1 (en) | 2013-12-30 | 2015-12-29 | Kimberly-Clark Worldwide, Inc. | Combination valve and buckle set for disposable respirators |
US9510632B2 (en) | 2013-11-22 | 2016-12-06 | Poma 22 Llc | Hard hat with filtered, battery-operated air flow system and method |
CN108272159A (en) * | 2018-01-05 | 2018-07-13 | 深圳市晓控通信科技有限公司 | A kind of safety cap with dust-proof drop cooling function based on Internet of Things |
US10653197B2 (en) | 2018-03-23 | 2020-05-19 | Poma 22, Llc | Hard hat with filtered, battery-operated air flow system and method |
US10702721B2 (en) | 2016-07-22 | 2020-07-07 | Poma 22 Llc | Hat and air filtration system |
ES2902298A1 (en) * | 2020-09-25 | 2022-03-25 | Javier Ferrer Alos Modelos Informaticos S L | Portable air confinement apparatus for the prophylaxis of the inhalation transmission of pathogenic agents through respiratory drops and bioairosols (Machine-translation by Google Translate, not legally binding) |
US11497261B2 (en) * | 2019-03-08 | 2022-11-15 | SteelGorillas LLC | Dust hood |
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US2032101A (en) * | 1935-02-20 | 1936-02-25 | William D Sullivan | Fume and dust eliminator |
US2300912A (en) * | 1938-10-07 | 1942-11-03 | Gen Tire & Rubber Co | Respiratory device |
US2402820A (en) * | 1942-09-26 | 1946-06-25 | William H Kitchen | Welder's mask |
US2444393A (en) * | 1943-12-21 | 1948-06-29 | Woo John Pyungok | Protective mask |
US2410593A (en) * | 1945-09-04 | 1946-11-05 | Wright Charlie | Respiratory spray hood |
US2560215A (en) * | 1945-11-01 | 1951-07-10 | Christensen Marinus | Protection mask against poisonous gases and dust |
US2485117A (en) * | 1947-06-07 | 1949-10-18 | Frank E Settle | Painter's mask |
US2882894A (en) * | 1956-02-13 | 1959-04-21 | Floyd J Fahey | Hood |
US2971196A (en) * | 1958-11-05 | 1961-02-14 | Frederick A Howell | Goggles with attached washing means |
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US3231897A (en) * | 1963-04-16 | 1966-02-01 | Sr Martin Y Woolfolk | Goggle construction |
US3657740A (en) * | 1969-11-26 | 1972-04-18 | Armando A Cialone | Ventilated welder{3 s mask assembly |
US3922722A (en) * | 1973-12-10 | 1975-12-02 | Igor Konstantinovich Pokhodnya | Device for protective operator{3 s respiratory organs against aerosols |
US3921223A (en) * | 1974-06-12 | 1975-11-25 | David V Hoyecki | Air shield for welders and other craftsmen exposed to noxious fumes |
US4571741A (en) * | 1983-12-27 | 1986-02-25 | Commissariat A L'energie Atomique | Ergonomic helmet means |
US4848330A (en) * | 1986-10-31 | 1989-07-18 | Cowles Charles M | Respirator system |
US4803979A (en) * | 1987-05-27 | 1989-02-14 | Fischer Edmund C | Pulsating water and air jet structure for cleaning helmet window |
US5924420A (en) * | 1996-09-24 | 1999-07-20 | Minnesota Mining And Manufacturing Company | Full face respirator mask having integral connectors disposed in lens area |
US6615828B1 (en) * | 1999-03-19 | 2003-09-09 | 3M Innovative Properties Company | Flow indicator device for respirators |
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US20090300811A1 (en) * | 2005-12-15 | 2009-12-10 | Sven-Ingvar Lundahl | Pair of protective goggles |
US20100224199A1 (en) * | 2006-05-01 | 2010-09-09 | Kimberly-Clark Worldwide, Inc. | Respirator |
US20080110465A1 (en) * | 2006-05-01 | 2008-05-15 | Welchel Debra N | Respirator with exhalation vents |
US9642403B2 (en) | 2007-08-16 | 2017-05-09 | Kimberly-Clark Worldwide, Inc. | Strap fastening system for a disposable respirator providing improved donning |
US20090044812A1 (en) * | 2007-08-16 | 2009-02-19 | Welchel Debra N | Strap fastening system for a disposable respirator providing improved donning |
US20090300829A1 (en) * | 2008-06-06 | 2009-12-10 | Adam Matthew Spielvogel | Face Mask with Air Flow Means |
RU2464921C1 (en) * | 2011-04-11 | 2012-10-27 | Федеральное государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный аграрный университет" | Heat-reflecting helmet with water-cooling |
US8899743B2 (en) | 2011-08-24 | 2014-12-02 | Kendall Masao Kikuyama | Protective spray painter eyewear |
WO2013028148A1 (en) | 2011-08-24 | 2013-02-28 | Kikuyama Kendall Masao | Protective spray painter eyewear |
US20140026300A1 (en) * | 2012-07-27 | 2014-01-30 | Honeywell International, Inc. | Airflow barrier system for protective eyewear |
FR2994853A1 (en) * | 2012-09-06 | 2014-03-07 | Aircelle Sa | Respiratory protection equipment for protection assembly used to protect operator from dust, in aircraft manufacturing industry, has mask equipped with external pipe for injecting portion of air into external surface of visor |
US20140071294A1 (en) * | 2012-09-12 | 2014-03-13 | Bae Systems Information And Electronic Systems Integration Inc. | Face mounted extreme environment thermal sensor system |
US9998687B2 (en) * | 2012-09-12 | 2018-06-12 | Bae Systems Information And Electronic Systems Integration Inc. | Face mounted extreme environment thermal sensor system |
US9974350B2 (en) | 2013-11-22 | 2018-05-22 | Poma 22 Llc | Hard hat |
US9510632B2 (en) | 2013-11-22 | 2016-12-06 | Poma 22 Llc | Hard hat with filtered, battery-operated air flow system and method |
USD746439S1 (en) | 2013-12-30 | 2015-12-29 | Kimberly-Clark Worldwide, Inc. | Combination valve and buckle set for disposable respirators |
GB2524565A (en) * | 2014-03-27 | 2015-09-30 | R V Technology Llp | Visor |
GB2524565B (en) * | 2014-03-27 | 2017-03-22 | R V Tech Llp | Visor |
US10702721B2 (en) | 2016-07-22 | 2020-07-07 | Poma 22 Llc | Hat and air filtration system |
CN108272159A (en) * | 2018-01-05 | 2018-07-13 | 深圳市晓控通信科技有限公司 | A kind of safety cap with dust-proof drop cooling function based on Internet of Things |
US10653197B2 (en) | 2018-03-23 | 2020-05-19 | Poma 22, Llc | Hard hat with filtered, battery-operated air flow system and method |
US11497261B2 (en) * | 2019-03-08 | 2022-11-15 | SteelGorillas LLC | Dust hood |
ES2902298A1 (en) * | 2020-09-25 | 2022-03-25 | Javier Ferrer Alos Modelos Informaticos S L | Portable air confinement apparatus for the prophylaxis of the inhalation transmission of pathogenic agents through respiratory drops and bioairosols (Machine-translation by Google Translate, not legally binding) |
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