US3359567A - Protective suit - Google Patents

Protective suit Download PDF

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Publication number
US3359567A
US3359567A US513910A US51391065A US3359567A US 3359567 A US3359567 A US 3359567A US 513910 A US513910 A US 513910A US 51391065 A US51391065 A US 51391065A US 3359567 A US3359567 A US 3359567A
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suit
hood
body portion
wearer
open mesh
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US513910A
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Caesar J Zemme
Fazio Benjamin S De
Lionel I Weinstock
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    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F3/00Shielding characterised by its physical form, e.g. granules, or shape of the material
    • G21F3/02Clothing
    • G21F3/025Clothing completely surrounding the wearer

Definitions

  • Metallizing is accomplished by afiixing metal particles to the nylon fiber.
  • the hood is made of the same material las the remainder of the suit and may or may not include a visor, the open mesh providing unrestricted vision as well as substantially unrestricted ventilation for the wearer.
  • This invention relates to an environmental protection suit for use by radar personnel. More particularly, this invention relates to a suit for use in protecting personnel yagainst the damaging effects of high-powered radio-frequency waves.
  • ⁇ It is known that a field of high-powered radiofrequency waves may adversely affect the human body. All of the observed harmful biological effects indicate that the body of a person requires protection if he is to safely work in such an environment.
  • Garments of the above type are usually of a c-overall design with attached hood, gloves and boots.
  • such suits have been fabricated of four layers of material including an outer waterproof neoprene-coated nylon fabric, two layers of silverized nylon interlining, and an inner cotton or rayon lining fabric.
  • These suits are rubberized and waterproof, and very uncomfortable to wear, even in cold weather, and impose a high heat stress in warm environment. It is quite apparent that these suits were designed for short periods of use in cold weather as required at outlying early warning sites.
  • -It is an object of this invention to provid-e an inexpensive, lightweight protection Isuit affording improved hand and foot dexterity for use by personnel who are exposed to an electromagnetic field of very high frequency.
  • FIG. 1 is a front view of a protective suit, showing a preferred embodiment of this invention
  • FIG. 2 is a back view of the suit shown in FIG. 1;
  • FIG. 3 is a detailed view of the hood of the suit shown in FIG. l;
  • FIG. 4 is a further embodiment of the suit of this invention.
  • FIG. 5 is a back view of the suit shown in FIG. 4;
  • FIG. 6 is a view of a waist adjustment structure
  • FIG. 7 is a view of an arm opening construction
  • FIG. 8 is an enlarged fragmentary View of the fabric of the suit.
  • the fabric is lightweight, yet strong, and extremely porous and flexible. It can be easily fabricated into garments with simple double or single needle type seams. A ⁇ single layer only is required and commercial-type cotton or nylon sewing threads can be used.
  • the suit as shown in FIGS. l and 2, is a coverall type garment with a front opening 11 secured by a slide fastener 12.
  • the gloves 13 and foot coverings 14 are also permanently attached to the garment.
  • the sleeve 16 are of the wing type variety having dropped armholes.
  • the suit may be donned by the wearer by stepping into the trouser legs 15 and then inserting the arms in the sleeves 16.
  • the hood 17, which is permanently attached to the back half of the neckline 18, is placed over the head.
  • the hood 17, as shown in FIG. 3, is then secured by first closing the side Velcro closures 19 and then closing the front neck portion of the Velcro closure 21 over the front collar portion.
  • the hood 17 is worn over a hard hat 22 or bump cap for shape retention and head protection.
  • the hat keeps the hood fabric away from the face and allows full head mobility, while maintaining good visibility by virtue of the open mesh fabric used.
  • the semi-detachable hood 17 can be taken off, when not required, by opening the front Velcro closures 19 and 21 and letting the whole hood 17 fall back over the shoulders.
  • FIGS. 4 and 5 Another embodiment of the protective suit is shown in FIGS. 4 and 5. As shown, ingress is accomplished through the opening 26 in the back half of the suit. This opening traverses the area between the upper portion 27 of the back of the head and the small of the back. The opening is provided with interlocking teeth 28 engaged by means of a zipper 29 which maintains full conductivity with each side panel of cloth.
  • the visor which is fabricated from the same type ⁇ of material as the suit itself. This material, which is hereinafter described in detail, enables a full field of vision by virtue of the open mesh fabric when the hood is worn over the head. It also provides sufficient protection for the eyes against the damaging effects of the high frequency electromagnetic waves.
  • Velcro type tape fasteners 21 are located on each side of the hood in the suit shown in FIGS. 1 and 3 and are used to attach the front half of the hood to the front collar portion of the neckline of the suit. These metallized tape closures are fully conductive and maintain both attenuation and electrical continuity between adjacent cloth panels.
  • Non-conductive Velcro type closures 24, as shown in FIG. 6, are used at the waistline 25 as side body adjustments, as well as for wrist and ankle adjustment.
  • Conductive Velcro type fasteners 29 are also used to close the hand openings provided under each sleeve 16.
  • the opening as shown in FIG. 7, is provided to enable the hands to be freed from the garment whenever required without the necessity of removing the garment.
  • each of the garments is a nylon marquisette fabric, as shown in FIG. S, which is metallized with silver 34 to provide the necessary attenuation in the frequency ranges utilized.
  • the suit is electrically conductive throughout.
  • the warp yarns as shown are single-ply 2.60 denier, 17 filament nylon and the filling yarns are 2 ply, 260 denier, 17 lament nylon.
  • the Weave ⁇ is a plain doupe leno type designed to give aplproximately l mm. square openings between the warp and filling yarn interlacings.
  • All main side, sleeve and shoulder seams are of the double-needle type. All others, including hood, hand, and feet attachments, are single needle, turned-top stitched seams. All seams maintain electrical continuity between adjacent cloth sections and preserve the necessary shielding effectiveness.
  • a lightweight protective suit completely encompassing the body to -provide protection against radio-frequency waves and adapted to be Worn under a variety of foul weather or other overgarments comprising:
  • a body portion made of a single layer of permeable conductive material
  • said material having an open mesh adapted to permit substantially unrestricated ventilation therethrough; said material ⁇ formed of a non-metallic fiber metallized by aiXing metal particles to the surface thereof;
  • a hood portion made of said material and adapted for releasable attachment to said body portion; electrically conductive means separably connecting said hood portion -and said body portion; and
  • said ingress and egress means electrically conductive when closed
  • said visor means adapted to be readily opened and closed as desired by the wearer.

Description

Dec. 26, 1967 C. 1. ZEMME ETAL 3,359,567
PROTECTIVE SUIT 2 Sheets-Sheet l Filed Deo. 13, 1965 Dec. 26, 1967 C. J. ZEMME ETAL 3,359,567
PROTECTIVE SUIT Filed Dec. 13, 1965 2 Sheets-Sheet 2 BY a n United States Patent O PROTECTIVE SUIT Caesar J. Zemme, New York, Benjamin S. De Fazio, Westbury, and Lionel I. Wenstock, Rockaway Park, N.Y., assignors to the United States of America as represented by the Secretary of the Navy Filed Dec. 13, 1965, Ser. No. 513,910 4 Claims. (Cl. 2 2) ABSTRACT OF THE DISCLOSURE A suit for protecting the wearer from the damaging effects of high-powered radio-frequency waves is provided, the suit in its entirety being made of a single layer of an open mesh fabric made from rnetallized nylon fiber. Metallizing is accomplished by afiixing metal particles to the nylon fiber. The hood is made of the same material las the remainder of the suit and may or may not include a visor, the open mesh providing unrestricted vision as well as substantially unrestricted ventilation for the wearer.
This invention relates to an environmental protection suit for use by radar personnel. More particularly, this invention relates to a suit for use in protecting personnel yagainst the damaging effects of high-powered radio-frequency waves.
`It is known that a field of high-powered radiofrequency waves may adversely affect the human body. All of the observed harmful biological effects indicate that the body of a person requires protection if he is to safely work in such an environment.
Suits of the type hereinafter described have been in use for the protection of personnel servicing and maintaining the radar equipment of the early warning system. However, it has been found that such suits are extremely bulky, clumsy, and heavy.
Garments of the above type are usually of a c-overall design with attached hood, gloves and boots. In the past, such suits have been fabricated of four layers of material including an outer waterproof neoprene-coated nylon fabric, two layers of silverized nylon interlining, and an inner cotton or rayon lining fabric. These suits are rubberized and waterproof, and very uncomfortable to wear, even in cold weather, and impose a high heat stress in warm environment. It is quite apparent that these suits were designed for short periods of use in cold weather as required at outlying early warning sites.
It has been found, however, that the above suits are not considered suitable for use on shipboard, due to the requirement that such suits must be worn for extended watch periods in all types of weather while performing shipboard duties. Also, such suits are not considered safe for tasks requiring climbing or movement at high altitudes or in tight, confined quarters because of their bulk, weight, and poor foot and hand dexterity. As a further disadvantage, such suits have been found to be quite costly.
-It is an object of this invention to provid-e an inexpensive, lightweight protection Isuit affording improved hand and foot dexterity for use by personnel who are exposed to an electromagnetic field of very high frequency.
Other objects and many of the attendant advantages of this invention will be readily appreciated as the same becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings wherein:
FIG. 1 is a front view of a protective suit, showing a preferred embodiment of this invention;
FIG. 2 is a back view of the suit shown in FIG. 1;
FIG. 3 is a detailed view of the hood of the suit shown in FIG. l;
FIG. 4 is a further embodiment of the suit of this invention;
FIG. 5 is a back view of the suit shown in FIG. 4;
FIG. 6 is a view of a waist adjustment structure;
FIG. 7 is a view of an arm opening construction;
FIG. 8 is an enlarged fragmentary View of the fabric of the suit.
Similar numerals refer to similar parts throughout the several views.
We have invented an inexpensive, lightweight protection suit made from silverized nylon marquisette fabric to shield against microwave radiation. The fabric is lightweight, yet strong, and extremely porous and flexible. It can be easily fabricated into garments with simple double or single needle type seams. A `single layer only is required and commercial-type cotton or nylon sewing threads can be used.
The suit, as shown in FIGS. l and 2, is a coverall type garment with a front opening 11 secured by a slide fastener 12. The gloves 13 and foot coverings 14 are also permanently attached to the garment. The sleeve 16 are of the wing type variety having dropped armholes.
The suit may be donned by the wearer by stepping into the trouser legs 15 and then inserting the arms in the sleeves 16. After the front zipper 12 is closed, the hood 17, which is permanently attached to the back half of the neckline 18, is placed over the head. The hood 17, as shown in FIG. 3, is then secured by first closing the side Velcro closures 19 and then closing the front neck portion of the Velcro closure 21 over the front collar portion.
The hood 17 is worn over a hard hat 22 or bump cap for shape retention and head protection. The hat keeps the hood fabric away from the face and allows full head mobility, while maintaining good visibility by virtue of the open mesh fabric used. The semi-detachable hood 17 can be taken off, when not required, by opening the front Velcro closures 19 and 21 and letting the whole hood 17 fall back over the shoulders.
Another embodiment of the protective suit is shown in FIGS. 4 and 5. As shown, ingress is accomplished through the opening 26 in the back half of the suit. This opening traverses the area between the upper portion 27 of the back of the head and the small of the back. The opening is provided with interlocking teeth 28 engaged by means of a zipper 29 which maintains full conductivity with each side panel of cloth. One advantage of this type suit is the visor which is fabricated from the same type `of material as the suit itself. This material, which is hereinafter described in detail, enables a full field of vision by virtue of the open mesh fabric when the hood is worn over the head. It also provides sufficient protection for the eyes against the damaging effects of the high frequency electromagnetic waves.
Silverized nylon, Velcro type tape fasteners 21 are located on each side of the hood in the suit shown in FIGS. 1 and 3 and are used to attach the front half of the hood to the front collar portion of the neckline of the suit. These metallized tape closures are fully conductive and maintain both attenuation and electrical continuity between adjacent cloth panels.
Non-conductive Velcro type closures 24, as shown in FIG. 6, are used at the waistline 25 as side body adjustments, as well as for wrist and ankle adjustment.
Conductive Velcro type fasteners 29 are also used to close the hand openings provided under each sleeve 16. The opening, as shown in FIG. 7, is provided to enable the hands to be freed from the garment whenever required without the necessity of removing the garment.
The base material 33 used throughoutV each of the garments is a nylon marquisette fabric, as shown in FIG. S, which is metallized with silver 34 to provide the necessary attenuation in the frequency ranges utilized. The suit is electrically conductive throughout. The warp yarns as shown are single-ply 2.60 denier, 17 filament nylon and the filling yarns are 2 ply, 260 denier, 17 lament nylon. The Weave `is a plain doupe leno type designed to give aplproximately l mm. square openings between the warp and filling yarn interlacings. By the use of a single layer of strong, lightweight, open mesh base material, `a very corn- `fortable, flexible garment has been designed. It is capable of being worn in -combination with a wide range of under and outer garments, depending on existing environmental Weather and work conditions. lt will afford and maintain complete `and effective shielding of the body against microwaves, regardless of what outer garments are used. When worn in hot, dry weather, only a lightweight shirt and trousers are required as outer clothing primarily to prevent arc-over. Wet weather raingear or cold weather clothing can be used when required. Rubber or plastic gloves and boots are also used to prevent arcover and to increase service-life.
All main side, sleeve and shoulder seams are of the double-needle type. All others, including hood, hand, and feet attachments, are single needle, turned-top stitched seams. All seams maintain electrical continuity between adjacent cloth sections and preserve the necessary shielding effectiveness.
Obviously, there are many modiications and variations which are possible in view of the above teaching. It is therefore to be understood that these modifications and variations are to be included within the scope of the appended claims.
We claim:
1. A lightweight protective suit completely encompassing the body to -provide protection against radio-frequency waves and adapted to be Worn under a variety of foul weather or other overgarments comprising:
a body portion made of a single layer of permeable conductive material;
said material having an open mesh adapted to permit substantially unrestricated ventilation therethrough; said material `formed of a non-metallic fiber metallized by aiXing metal particles to the surface thereof;
a hood portion made of said material and adapted for releasable attachment to said body portion; electrically conductive means separably connecting said hood portion -and said body portion; and
wearer ingress and egress means in said suit;
said ingress and egress means electrically conductive when closed;
the open mesh of said material lpermitting unrestricted vision therethrough of the wearer.
2. The suit as dened in claim 1 `wherein said ingress and egress means is a zipper disposed at the rear of the suit and extending from at least the neck of the body portion to a point substantially below the Waist thereof.
3. The suit as defined in claim 2 and further including electrically conductive visor means in said hood;
said visor means adapted to be readily opened and closed as desired by the wearer.
4. The suit as defined in claim 3 wherein said fiber is nylon and said metal particles are silver.
References Cited UNITED STATES PATENTS 2,344,811 3/1944 Gill 2-2 2,807,287 9/1957 Frey 139--419 3,164,840 1/1965 Reynolds 2-2 3,196,459 7/1965 Grazia 2--2 HENRY S. IAUDON, Primary Examiner.

Claims (1)

1. A LIGHTWEIGHT PROTECTIVE SUIT COMPLETELY ENCOMPASSING THE BODY TO PROVIDE PROTECTION AGAINST RADIO-FREQUENCY WAVES AND ADAPTED TO BE WORN UNDER A VARIETY OF FOUL WEATHER OR OTHER OVERGARMENTS COMPRISING: A BODY PORTION MADE OF A SINGLE LAYER OF PERMEABLE CONDUCTIVE MATERIAL; SAID MATERIAL HAVING AN OPEN MESH ADAPTED TO PERMIT SUBSTANTIALLY UNRESTRICATED VENTILLATION THERETHROUGH; SAID MATERIAL FORMED OF A NON-METALLIC FIBER METALLIZED BY AFFIXING METAL PARTICLES TO THE SURFACE THEREOF; A HOOD PORTION MADE OF SAID MATERIAL AND ADAPTED FOR RELEASABLE ATTACHMENT TO SAID BODY PORTION; ELECTRICALLY CONDUCTIVE MEANS SEPARABLY CONNECTING SAID HOOD PORTION AND SAID BODY PORTION; AND WEARER INGRESS AND EGRESS MEANS IN SAID SUIT; SAID INGRESS AND EGRESS MEANS ELECTRICALLY CONDUCTIVE WHEN CLOSED; THE OPEN MESH OF SAID MATERIAL PERMITTING UNRESTRICTED VISION THERETHROUGH OF THE WEARER
US513910A 1965-12-13 1965-12-13 Protective suit Expired - Lifetime US3359567A (en)

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3505678A (en) * 1968-02-08 1970-04-14 Gladys B Key Multipurpose hair net
US3703268A (en) * 1970-03-27 1972-11-21 Etudes Et Fab Aeronautiques Parachute container and the application of the container to a parachute
US3768100A (en) * 1972-05-23 1973-10-30 Us Army Cold weather face mask
US4422483A (en) * 1981-06-03 1983-12-27 Angelica Corporation Antistatic fabric and garment made therefrom
DE3415658A1 (en) * 1984-04-27 1985-10-31 Jürgen 2000 Hamburg Kruse Rescue suit
US4677696A (en) * 1986-04-18 1987-07-07 Toyo Lint Free Co., Ltd. Dust-free garment for clean room
US4979236A (en) * 1989-06-16 1990-12-25 Merrill Janice L Insect protective garment
US4989995A (en) * 1988-09-07 1991-02-05 Fabritec International Corporation Anti-static garment bag for reducing static buildup in the drycleaning process
US5082466A (en) * 1988-09-07 1992-01-21 Fabritec International Corporation Anti-static garment bag for reducing static buildup in the drycleaning process
US5632043A (en) * 1995-04-13 1997-05-27 Mitsubishi Semiconductor America Inc. Hazardous material protection suit with carrying handles
US20030131401A1 (en) * 2000-03-28 2003-07-17 Curtis Dilworth Medical garment with fluid barrier
US6715160B2 (en) 2001-09-26 2004-04-06 Lineweight Llc Chemical/biological suit
US20060117470A1 (en) * 2003-06-02 2006-06-08 Blucher Gmbh Hood for protective garment
JP2012252021A (en) * 2012-09-18 2012-12-20 Japan Atom Power Co Ltd:The Radioactive contamination protective clothing
US20130318694A1 (en) * 2011-02-10 2013-12-05 Shigematsu Works Co., Ltd. Chemical protective suit
US20150250234A1 (en) * 2014-03-07 2015-09-10 Honeywell International Inc. Protective ventilated suit with integral hood
US20160165973A1 (en) * 2014-12-12 2016-06-16 The Johns Hopkins University Suit designs and doffing methodologies for personal protective equipment to prevent the spread of infectious agents to healthcare workers
USD762924S1 (en) * 2015-03-30 2016-08-02 Radtec Medical Devices, Inc. Radiation shield garment
US20170120083A1 (en) * 2015-10-29 2017-05-04 W. L. Gore & Associates, Inc. Protective integrated hood for garment
IT201600084391A1 (en) * 2016-08-10 2018-02-10 Carraro S R L Headgear for shielding garment with face shield
US20210267292A1 (en) * 2020-03-02 2021-09-02 Yantai Shulang Medical Technology Co., Ltd. Cutting structure and sewing process for back wearing protective clothing
US11412787B1 (en) * 2021-04-23 2022-08-16 Avanes Galustyants Hoodie mask

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2344811A (en) * 1942-01-28 1944-03-21 Ferdinand A Gill Insect-repelling fabric and garment
US2807287A (en) * 1955-12-23 1957-09-24 Massillon Cleveland Akron Sign Co Tow target construction
US3164840A (en) * 1961-02-27 1965-01-12 Filtron Company Inc Radiation protective garment
US3196459A (en) * 1962-05-01 1965-07-27 Grazia Joseph De Closure means for a protective garment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2344811A (en) * 1942-01-28 1944-03-21 Ferdinand A Gill Insect-repelling fabric and garment
US2807287A (en) * 1955-12-23 1957-09-24 Massillon Cleveland Akron Sign Co Tow target construction
US3164840A (en) * 1961-02-27 1965-01-12 Filtron Company Inc Radiation protective garment
US3196459A (en) * 1962-05-01 1965-07-27 Grazia Joseph De Closure means for a protective garment

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3505678A (en) * 1968-02-08 1970-04-14 Gladys B Key Multipurpose hair net
US3703268A (en) * 1970-03-27 1972-11-21 Etudes Et Fab Aeronautiques Parachute container and the application of the container to a parachute
US3768100A (en) * 1972-05-23 1973-10-30 Us Army Cold weather face mask
US4422483A (en) * 1981-06-03 1983-12-27 Angelica Corporation Antistatic fabric and garment made therefrom
DE3415658A1 (en) * 1984-04-27 1985-10-31 Jürgen 2000 Hamburg Kruse Rescue suit
US4677696A (en) * 1986-04-18 1987-07-07 Toyo Lint Free Co., Ltd. Dust-free garment for clean room
US5082466A (en) * 1988-09-07 1992-01-21 Fabritec International Corporation Anti-static garment bag for reducing static buildup in the drycleaning process
US4989995A (en) * 1988-09-07 1991-02-05 Fabritec International Corporation Anti-static garment bag for reducing static buildup in the drycleaning process
US4979236A (en) * 1989-06-16 1990-12-25 Merrill Janice L Insect protective garment
US5632043A (en) * 1995-04-13 1997-05-27 Mitsubishi Semiconductor America Inc. Hazardous material protection suit with carrying handles
US20030131401A1 (en) * 2000-03-28 2003-07-17 Curtis Dilworth Medical garment with fluid barrier
US6687919B2 (en) * 2000-03-28 2004-02-10 Gocurda, Llc Medical garment with fluid barrier
US6715160B2 (en) 2001-09-26 2004-04-06 Lineweight Llc Chemical/biological suit
US8631516B2 (en) * 2003-06-02 2014-01-21 BLüCHER GMBH Hood for protective garment
US20060117470A1 (en) * 2003-06-02 2006-06-08 Blucher Gmbh Hood for protective garment
US20130318694A1 (en) * 2011-02-10 2013-12-05 Shigematsu Works Co., Ltd. Chemical protective suit
JP2012252021A (en) * 2012-09-18 2012-12-20 Japan Atom Power Co Ltd:The Radioactive contamination protective clothing
US20150250234A1 (en) * 2014-03-07 2015-09-10 Honeywell International Inc. Protective ventilated suit with integral hood
US10104921B2 (en) * 2014-03-07 2018-10-23 Honeywell International Inc. Protective ventilated suit with integral hood
US20160165973A1 (en) * 2014-12-12 2016-06-16 The Johns Hopkins University Suit designs and doffing methodologies for personal protective equipment to prevent the spread of infectious agents to healthcare workers
US10524525B2 (en) * 2014-12-12 2020-01-07 The Johns Hopkins University Suit designs and doffing methodologies for personal protective equipment to prevent the spread of infectious agents to healthcare workers
USD762924S1 (en) * 2015-03-30 2016-08-02 Radtec Medical Devices, Inc. Radiation shield garment
US20170120083A1 (en) * 2015-10-29 2017-05-04 W. L. Gore & Associates, Inc. Protective integrated hood for garment
IT201600084391A1 (en) * 2016-08-10 2018-02-10 Carraro S R L Headgear for shielding garment with face shield
EP3281540A1 (en) * 2016-08-10 2018-02-14 Carraro S.R.L. Headgear with face shield for shielding garment
CN107713090A (en) * 2016-08-10 2018-02-23 卡拉罗有限公司 The headgear for screening clothing with mask
US10660383B2 (en) 2016-08-10 2020-05-26 Carraro S.R.L. Headgear for a shielding garment with face shield
US20210267292A1 (en) * 2020-03-02 2021-09-02 Yantai Shulang Medical Technology Co., Ltd. Cutting structure and sewing process for back wearing protective clothing
US11412787B1 (en) * 2021-04-23 2022-08-16 Avanes Galustyants Hoodie mask

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