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37 results about "Tyvek" patented technology

Tyvek (/taɪˈvɛk/) is a brand of flashspun high-density polyethylene fibers, a synthetic material; the name is a registered trademark of the DuPont company, known for their production of chemicals and textiles. Tyvek is often used as housewrap, a synthetic material used to protect buildings during construction. The material is difficult to tear, but can easily be cut with scissors or a knife. Water vapor can pass through Tyvek, but liquid water cannot. All of these properties have led to Tyvek being used in a variety of applications.

Accessory for handheld electronic device

An accessory for improved comfort and security of grasping of a handheld electronic device is disclosed. In a preferred embodiment, the accessory comprises TYVEK® material, or paper-like material made from synthetic fibers that has significant strength properties and repels water. The paper-like material is rolled to form a first loop that is configured to receive an index finger of a user. Also in a preferred embodiment, a second loop is formed to receive a middle finger. The accessory makes holding the electronic device easier and further a user has more freedom to operate the device with a thumb without losing secure grasp of the device. In yet a separate embodiment, the invention may be incorporated into an exterior protective case of the device.
Owner:BROWN SCOTT

Dispensing packages for medical devices having two components that are mechanically interlocked and methods therefor

A package for a flat medical implant includes a flexible outer component, such as Tyvek®, including a first panel and a second panel foldable over said first panel for closing the package, and an inner component, such as paper, mechanically interlocked with the flexible outer component. A flat medical implant is held by the inner component. While the outer and inner components remains mechanically interconnected to one another, the upper ends of the first and second panels of the outer component are peelable away from one another for opening the package and accessing the flat medical implant at an upper end of the package.
Owner:ETHICON INC

Current transformer power module main body apparatus and its processing method

The invention discloses a converter power module body device and a processing method thereof. The body device comprises a busbar body, an IGBT, an intermediate support capacitor and a surge absorption capacitor, and the busbar body is ' '-shaped, the intermediate support capacitor is fixed above the long side of the busbar body by a screw, the surge absorption capacitor is fixed inside the short side of the busbar body by a screw and the IGBT is fixed outside the short side of the busbar body by a screw. The processing method includes processing a copper plate into a copper bar with a boss and a hole, compounding insulating paper from multilayer Tyvek, arranging three pieces of insulating paper and three copper bars in sequence to be folded and pressed and forming the busbar body, and installing parts on the busbar body. Due to the advantages of convenient wiring, wiring space saving, convenient installation and disassembly and the reduction of stray induction on a main circuit, the body device facilitates the improvement of electrical property, thus enhancing the working stability of a converter system.
Owner:CHINA CNR CORPORATION

Device for controlling the spacing between siding materials and compressible insulation materials

A spacing device and a method for installing siding materials over Tyvek® ThermaWrap™ R5.0 or any compressible insulating house wrap. The spacing device 100 allows cladding fasteners to be installed to the same depth which helps eliminate wavy siding installations.
Owner:EI DU PONT DE NEMOURS & CO

Process for producing polyvinyl alcohol articles

A process for producing a polyvinyl alcohol film or fabric having a modified non-porous surface which can be used to form disposable protective clothing, wraps, and articles similar to TYVEK® by impinging steam on at least one surface.
Owner:LAKELAND INDUSTRIES

Medical sterilizing and packaging header bag

InactiveCN105366174ANo membrane ruptureNo risk of secondary pollutionBagsSacksHigh resistanceAdhesive
The invention relates to a medical sterilizing and packaging header bag and a preparation method thereof, belonging to an improvement on a process for processing a packaging material by using extrusion compound equipment in the flexible packaging industry and particularly belongs to an improvement on a process for processing a packaging material in the flexible packaging industry. The medical sterilizing and packaging header bag is prepared by scalding a breathable heat-sealing environment-friendly waterborne adhesive coated on a Dupont patented product Tyvek as a breathable material and a three-layer co-mixed polyethylene film prepared according to a special formula, so that the prepared packaging header bag has no film breaking when being stripped, has no secondary pollution risks, can completely meet the requirements of high resistance, good breathability, high tearing strength, puncture resistance, high moisture resistance and stripping cleanness and can also meet the requirements of packaging bags for sterilizing, storing and packaging second-class and third-class medical instruments.
Owner:江门市新时代外用制剂有限公司

Dual frequency nfc/rfid card for self service baggage check and method

A card is made from rigid plastic confirming to ISO 7810 ID-Type 1 card constructed of PVC, PET, Styrene, Polypropylene, Tyvek, or other synthetic material that is 7 mil to 30 mil thick (180 to 760 microns) with both an embedded High Frequency (HF) RFID chip and a Ultra High Frequency (UHF) chip; each chip is affixed to its own unique antenna that is appropriately tuned to operate in its designated frequency range in a passive manner such that the antenna are not physically connected to a power source such as a battery; the HF chip is encoded using NFC Data Exchange Format (NDEF) with code that directs a NFC enabled smartphone, tablet, or similar device to a dedicated website or app where it initializes the interaction by delivering in the NFC encode string identification data unique to that card's UHF RFID chip; the NFC encode string may include such data as the UHF chip's Tag Identification Number (TID), a serial number assigned to the tag that is encoded into the UHF chip's EPC memory; the delivery of the unique identifying information from the card's UHF chip allows the website or app to associate the tag with the passenger's itinerary by associating it with a ticket number, reservation number, frequent traveler number, or other identification element that is unique to the specific passenger for whom the tag is associated; wherein once the card's NFC is used to link the tag to the reservation the bag can be tracked through the transport carrier's baggage handling system using the card's embedded UHF RFID capability.
Owner:PAP INVESTMENTS

Gas generating system

A gas generator containing perforate internal chambers, each chamber in vapor communication with at least one other chamber in the gas generator, is provided. When granulated compositions are utilized in one or more of the chambers, permeable materials such as cheesecloth, neoprene, Tyvek™, metal or non-metallic screen, and other suitable fluid permeable materials, may be provided to physically seal the perforations of the various chambers, thereby separating the granulated composition(s) contained therein. In this way, off-gas products formed naturally over time may be effectively managed to ensure expected performance criteria of the associated inflator.
Owner:JOYSON SAFETY SYST ACQUISITION LLC

Far-infrared negative-ion magnetic health mattress

ActiveCN101336785AGood physical propertiesIn line with engineering principlesElectrotherapyStuffed mattressesEngineeringFar infrared
The invention discloses a far infrared anion magnetic health mattress, which is composed of far infrared anion functional fabric, DuPont Tyvek fabric, magnetic distributing lining fabric, ecotypic coated fabric, far infrared functional cotton, anion functional cotton, an ethylene-propylene rubber EVA structural layer and backing fabric from the top down, the magnetic distributing lining fabric is inlaid with health-care germnium magnetic sheets uniformly, lugs are uniformly distributed on the ethylene-propylene rubber EVA structural layer, holes for exposing the lugs are formed on the far infrared functional cotton and the anion functional cotton, the top of the lug is bonded on the ecotypic coated fabric. The mattress has the advantages of reasonable structural design, convenient use, effecacies of comfortableness, sterilisation, body-building and sleep improvement.
Owner:付晓东

Special functional catheter set for medical treatment

The invention provides a special functional catheter set for medical treatment. The special functional catheter set comprises a catheter and an outer packaging bag, wherein gelatin is coated on the outer wall of the catheter, and an inner packaging bag for containing purified water is arranged between the catheter and the outer packaging bag. According to the special functional catheter set for the medical treatment provided by the invention, through the combination of the gelatin coated on the outer wall of the catheter and the purified water arranged between the catheter and the outer packaging bag, the lubricating property of the outer wall of the catheter is improved, the pain of a patient can be relieved effectively; a bottom layer and a surface layer which are made of composite materials form the outer packaging bag and achieve a microorganism shield effect after sterilization; and by virtue of a tearing layer made of a Dupont Tyvek material, the multiple effects of sterilization, resolution, high burning and bonding intensity, permeation prevention, and high 'easy handle' fastness in opening are satisfied, and the use safety of the patient is ensured.
Owner:SHANGHAI JIANZHONG MEDICAL PACKAGING

Sterile Barrier Packaging Optimized Construction With Plant Based Material

The current invention combines use of existing package themoforming, either wet, dry or injection molding to create a base tray for the medical device or products. This base is made from plant based material such as Bamboo, Bagasse, Tapioca and or other sustainable plant based materials. The inside and or the inside and outside of the Base tray is then coated with a film that is either plant based or petroleum based. This film coating creates a functional microbial barrier preventing bacterial from moving through from the outside of the base tray to the inside of the base tray where the sterile medical device or surgical product is housed, The base tray (bottom) can then be used with a either paper or Tyvek or other materials lidding (top) that will be sealed to the base tray for the purposes product sterilization.
Owner:NEWGEN SURGICAL

Far-infrared negative-ion magnetic health mattress

The invention discloses a far infrared anion magnetic health mattress, which is composed of far infrared anion functional fabric, DuPont Tyvek fabric, magnetic distributing lining fabric, ecotypic coated fabric, far infrared functional cotton, anion functional cotton, an ethylene-propylene rubber EVA structural layer and backing fabric from the top down, the magnetic distributing lining fabric is inlaid with health-care germnium magnetic sheets uniformly, lugs are uniformly distributed on the ethylene-propylene rubber EVA structural layer, holes for exposing the lugs are formed on the far infrared functional cotton and the anion functional cotton, the top of the lug is bonded on the ecotypic coated fabric. The mattress has the advantages of reasonable structural design, convenient use, effecacies of comfortableness, sterilisation, body-building and sleep improvement.
Owner:付晓东

Tyvek water-based flexographic printing material and preparation method thereof

InactiveCN112796125AImprove reconstitution performanceIncrease drying speedDyeing processAcrylic resinSolvent based
The invention is suitable for the technical field of printing material preparation, and provides a Tyvek water-based flexographic printing material. The Tyvek water-based flexographic printing material comprises the following raw material components in percentage by weight of 55-65% of a diluent which comprises the following raw material components in percentage by weight of 60-80% of polyurethane resin, 0-35% of acrylic resin, 1-5% of an adhesion promoter, 1-4% of a wear-resistant agent, 0-1% of a wetting agent, 0-8% of a stabilizing agent, 0.1-0.5% of a defoaming agent, 30-40% of deionized water, and 35-45% of water-based color paste. Therefore, when a flexographic printing machine is used for printing a Tyvek material, the printing material has the characteristics of clear printed patterns, good adhesive force, high drying speed, low odor and capability of meeting the latest environmental protection requirement, and can completely replace the existing high-VOC solvent type printing ink.
Owner:山东德创精化科技有限公司

Antibacterial water-absorbing liner for preserving tray-loaded chilled fresh meat and preparation method of antibacterial water-absorbing liner

The invention relates to an antibacterial water-absorbing liner for preserving tray-loaded chilled fresh meat and a preparation method of the of antibacterial water-absorbing liner. The antibacterial water-absorbing liner for preserving the tray-loaded chilled fresh meat is an antibacterial water-absorbing bag body which is made of non-woven fabrics or Tyvek and is closed at the periphery, and the antibacterial water-absorbing bag body is divided into two connected independent bags which are arranged side by side; one independent bag is filled with a carbon dioxide releasing agent, the other independent bag is filled with a water absorbent after water absorption, and each gram of the water absorbent absorbs 15-25ml of water; and the antibacterial water-absorbing bag body and the chilled fresh meat are both placed on a tray, and the antibacterial water-absorbing bag body, the chilled fresh meat and the tray are wrapped by a sealing cover film or an air-permeable cover film. According to the antibacterial water-absorbing liner for preserving the tray-loaded chilled fresh meat and the preparation method of the of antibacterial water-absorbing liner, the carbon dioxide releasing agent is matched with super absorbent resin and combined with tray packaging or tray modified atmosphere packaging, so that the chilled fresh meat is in a closed packaging space, and the aims of prolonging the shelf life of the chilled fresh meat and improving the appearance of chilled fresh meat goods are achieved through an antibacterial humidifying atmosphere formed in the environment.
Owner:HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY

Absorbency pad for use in neonatal care and related method of use

The invention is directed to a planar pad manufactured from three bonded layers each having different properties and materials. This includes a contact layer having a first and corresponding second portion. The second portion overlaps the first portion sufficient to create a first overlay. Such contact layer may be made of fibers which include silver nano-particulates. The contact layer may also include a coating made of TEFLON or similar material. The second layer is an absorbency layer positioned immediately below the contact layer. The absorbency layer being made of natural woven bamboo fiber. In addition, the absorbency layer may be two-part construction having a first absorbent portion and a corresponding second absorbent portion which abuts the first absorbent portion, wherein both absorbent portions have fused sides to reduce fraying. The third layer is a waterproof barrier layer which is posited directly below the absorbency layer, preferably constructed of TYVEK.
Owner:BRACCI JENNIFER J

Medical four-layer header bag connecting film and manufacturing process thereof

The invention discloses a medical four-layer header bag connecting film and a manufacturing process thereof, the medical four-layer header bag connecting film is of a three-layer structure, and the three-layer structure comprises an outer DuPont Tyvek layer, a middle layer made of LDPE and LLDPE, and an inner layer made of LDPE and 1-butene, and the middle layer and the inner layer are compoundedto form a PE connecting film. And finally, by carrying out low-temperature heat sealing on the PE connecting film and DuPont Tyvek at the temperature of 100 DEG C, a finished product film is formed, wherein the finished product film is fixedly sealed at the bag opening of a header bag. The middle layer made of LDPE and LLDPE and the inner layer made of LDPE and 1-butene are compounded to form thePE connecting film, the PE connecting film and the DuPont Tyvek are subjected to strong low-temperature hot pressing to form the finished product film, and the finished product film is fixedly sealedat the bag opening of the header bag, so that the structure does not need to use glue and is environment-friendly. And meshes can be formed in the PE connecting film, so that the PE connecting film isgood in air permeability and low in cost.
Owner:JINHUA HENGYU PACKAGING CO LTD

Ultralight breathable environmental-friendly bedding and preparation process thereof

The invention provides an ultralight breathable environmental-friendly bedding and a preparation process thereof. The ultralight breathable environmental-friendly bedding is formed by splicing a hometextile fabric and a cordura fabric. The home textile fabric selects and uses a tabby, twill or tribute silk fabric; and the cordura fabric is cordura cloth 1443R. The ultralight breathable environmental-friendly bedding is a quilt cover, wherein the quilt cover is formed by sewing the underneath side of a quilt and the cover side of the quilt; the underneath side of the quilt selects a tribute silk fabric; and the cover side of the quilt is formed by splicing the tribute silk fabric and the cordura fabric. According to the ultralight breathable environmental-friendly bedding and the preparation process thereof provided by the invention, Tyvek is introduced into a home textile and is combined with the home textile fabric for use by applying the technical means such as splicing, appliqueingand embroidering, and decorating. The 'breathable paper' is solid and durable, waterproof and breathable, and soft and tough, so that a home textile product is brought into a more scientific, futuristic and environmental-friendly idea.
Owner:江苏金太阳家用纺织品有限公司

Moisture Absorption Apparatus

An improved air humidity absorbing device to be used in a cargo container, includes: an external box made from cardboard material; the contents of the box including an external bag made from non woven spunbound; and at least two internal bags from the coated Tyvek material. The at least two internal bags are formed by subdividing the external bag into the at least two internal bags, and each of the internal bags is filled with an active mixture including Calcium Chloride (CaCl2) and Amylopectin.
Owner:SUPERDRY INT PTE

Current transformer power module main body apparatus and its processing method

The invention discloses a converter power module body device and a processing method thereof. The body device comprises a busbar body, an IGBT, an intermediate support capacitor and a surge absorption capacitor, and the busbar body is ' '-shaped, the intermediate support capacitor is fixed above the long side of the busbar body by a screw, the surge absorption capacitor is fixed inside the short side of the busbar body by a screw and the IGBT is fixed outside the short side of the busbar body by a screw. The processing method includes processing a copper plate into a copper bar with a boss and a hole, compounding insulating paper from multilayer Tyvek, arranging three pieces of insulating paper and three copper bars in sequence to be folded and pressed and forming the busbar body, and installing parts on the busbar body. Due to the advantages of convenient wiring, wiring space saving, convenient installation and disassembly and the reduction of stray induction on a main circuit, the body device facilitates the improvement of electrical property, thus enhancing the working stability of a converter system.
Owner:CHINA CNR CORPORATION

Chemical indicator card for monitoring low-temperature steam formaldehyde sterilization

The invention discloses a chemical indicator card for monitoring low-temperature steam formaldehyde sterilization, which belongs to the technical field of medical treatment and public health sterilization monitoring, and is composed of a Tyvek paper carrier and chemical indicator ink mixed by multiple chemicals, and the carrier has the length of 70.4 + / -1mm and the width of 8.8 + / -0.5 mm; the indicating ink can generate controllable color change according to the concentration, temperature and time of formaldehyde sterilization by adjusting the component proportion; the indicator card is matched with a semicircular loading box made of an ABS (Acrylonitrile Butadiene Styrene) material, a polytetrafluoroethylene tube with a specific size is arranged in the box, when the color is successfully changed, 0.9 ml of hydrogen peroxide is injected, and sterilization is carried out for 210 seconds, and when the color is failed, 0.6 ml of hydrogen peroxide is injected at the same temperature at the same time. The indicator card is simple in structure and convenient to use, adapts to PCD scenes, fills up related gaps in China, improves the sterilization monitoring accuracy and provides guarantee for sterilization of lumen type instruments.
Owner:HENGSHUI NORDON BIOLOGICAL TECH CO LTD

Breathing bag convenient to take

The invention belongs to the technical field of medicinal polymer packaging, and particularly relates to a breathing bag convenient to take. The breathing bag comprises a breathing bag body, the breathing bag body is composed of a paper surface and a film surface, the film surface is a polyethylene film, the paper surface is Tyvek paper, the three side edges of the paper surface and the three side edges of the film surface are correspondingly welded to form a bag-shaped structure with an opening in one side, and the length of the film surface at the bag opening is larger than that of the paper surface. The HDPE can provide good temperature resistance, mechanical property and barrier property, the LLDPE can provide good toughness and puncture resistance, the polyethylene film prepared from the two materials has excellent temperature resistance and puncture resistance, the length of the polyethylene film at the bag opening is larger than that of Tyvek paper, and the problems that the opening of a breathing bag is generally flat, and the bag opening is not flat are solved. The problem that the labor intensity is reduced, the production efficiency is improved, and the opening strength can be greatly improved at the same time is solved.
Owner:ZIBO HUA ZHI LIN PACKING PROD CO LTD

Sealing machine testing bag special for tyvek bag

PendingCN107672863AStable and reliable working conditionBreathableStructural/machines measurementPackaging automatic controlMarking outEngineering
The invention discloses a sealing machine testing bag special for a tyvek bag, and relates to a testing device for testing sealing quality of a sealing machine. The sealing machine testing bag is formed by overlaying a tyvek base layer (1) and a transparent plastic surface layer (2). A light grey inspection area (3) is arranged on the adjacent front faces of the tyvek base layer (1) and the transparent plastic surface layer (2). A writing area (4) used for marking parameters and signatures is arranged on the back face of the tyvek base layer (1). The tyvek base layer (1) and the transparent plastic surface layer (2) which are overlaid together are put under the sealing machine to be hot-pressed and then are taken out to be observed, and thus the sealing quality can be detected. The sealingmachine testing bag special for the tyvek bag has the advantages of being simple in structure, convenient to use, easy to operate, short in period of time, visual, safe and the like.
Owner:MUDANJIANG PLASMA PHYSICAL APPL TECH CO LTD

Die for heat sealing of blister box and Tyvek paper

PendingCN121200258AHollow articlesBlister packTyvek
The mold comprises a mold body and an adhesive tape, a plurality of grooves are formed in the first upper surface of the mold body in an inward concave mode, and containing grooves used for containing the blister boxes are formed in the bottom walls forming the grooves; the rubber strip is contained in the groove, an open hole allowing the blister box to penetrate through is formed in the middle of the rubber strip, and the second upper surface of the rubber strip is higher than the first upper surface of the mold body; a plurality of positioning columns are arranged on the side, facing the mold body, of the rubber strip in a protruding mode, a plurality of positioning grooves are formed in the bottom wall forming the groove, and the positioning columns are embedded in the positioning grooves in a one-to-one correspondence mode. The rubber strip on the mold is convenient and fast to replace, the replacement time of the rubber strip is greatly shortened, and the maintenance efficiency is improved.
Owner:MAQUET SUZHOU

Synthetic paper schoolbag with anti-counterfeiting and heat preservation functions

InactiveCN106617633ALight and toughWaterproofTravelling sacksBiochemical engineeringTyvek
The invention discloses a synthetic paper schoolbag with anti-counterfeiting and heat preservation functions. The synthetic paper schoolbag consists of a main bag body, a first side bag body, a second side bag body and two straps, wherein the first side bag body and the second side bag body are symmetrically arranged on the left and right sides of the main bag body; the two straps are symmetrically arranged on the back surface of the main bag body; the side surface of the main bag body, the first side bag body and the second side bag body are made of a Dupont TM TYVEK R synthetic paper / heat preservation cotton / PEVA heat preservation film three-layer structural material; the non side surface of the main bag body and the straps are made of a Dupont TM TYVEK R synthetic paper / air cushion inaterlayer / Dupont TM TYVEK R synthetic paper three-layer structural material; the edges of the first and second side bag bodies are seamed in an overlapping manner by using the Dupont TM TYVEK R synthetic paper / heat preservation cotton / PEVA heat preservation film three-layer structural material and the Dupont TM TYVEK R synthetic paper / air cushion inaterlayer / Dupont TM TYVEK R synthetic paper three-layer structural material of the main bag body. The synthetic paper schoolbag is light, handy, waterproof, dampproof and high in healthiness and environment friendliness.
Owner:汕头市金润环保包装材料有限公司

Tyvek paper-plastic packaging bag with EO sterilization color change indication

The utility model discloses a Tyvek paper-plastic packaging bag with an EO sterilization color-changing indication function. The Tyvek paper-plastic packaging bag comprises a packaging bag body, a supporting plate is fixedly connected to the bottom of the packaging bag body, a plastic sleeve is fixedly connected to the upper portion of the supporting plate, a nylon rope is fixedly connected to the upper portion of the plastic sleeve, and a plastic supporting block is fixedly connected to the side face of the packaging bag body. According to the packaging bag, the firm supporting plate structure is additionally arranged at the bottom, and the combined design of the plastic sleeves and the nylon ropes is combined, so that the pressure of objects on the bottom of the packaging bag is effectively dispersed, the bearing capacity and the structural stability are remarkably improved, and the risk of breakage caused by gravity compression is avoided. By means of the improvement, safety and sanitation of internal objects are guaranteed, pollution or damage caused by breakage of the packaging bag is prevented, and safety and quality reliability of products are further improved.
Owner:SUZHOU GUANGHAO PACKAGING MATERIALS CO LTD

Heat-sealing adhesive for medical sterilization packaging as well as preparation method and application of heat-sealing adhesive

The invention relates to the technical field of heat-sealing adhesives, in particular to a heat-sealing adhesive for medical sterilization packaging as well as a preparation method and application of the heat-sealing adhesive. Uniformly dispersing the styrene-acrylic emulsion, the natural polysaccharide glue solution, the wax emulsion and the filler to form a uniform mixed solution; mixing an emulsifier, water and the mixed solution, and uniformly stirring; and adding the defoaming agent, stirring until foam disappears, filtering, and discharging. The heat-sealing adhesive for medical sterilization packaging, disclosed by the invention, is prepared from the styrene-acrylic emulsion, the natural polysaccharide glue solution, the emulsifier, the wax emulsion, the filler and the like, and the prepared heat-sealing adhesive is stable in performance, resistant to storage, easy to construct and convenient to use due to the single component; and after being glued, the film and Dupont Tyvek paper (TEVEK), PET, PE, PVC and PP films are subjected to heat sealing to form a bag, and the film has the advantages of wide heat sealing temperature range and strong air permeability, and is suitable for ethylene oxide and gamma ray sterilization and the like.
Owner:ZHEJIANG NANLI POLYMER CHEM CO LTD

Easy-to-uncover heat sealable films special for sanitary bag

InactiveCN101503537BAppropriate level of adhesionEasy to uncoverPackagingPolymer scienceTyvek
The invention discloses a special easy-peel heat sealable film for a Tyvek sanitary bag. The film is made from 100 parts of polyethylene and 10-50 parts of polybutene or modified polybutene by weight. When the film is subject to thermal sealing with Tyvek material, two layers of materials have proper cohesive force therebetween, can bear articles, be easily torn, and convenient for use.
Owner:ZHEJIANG GOLDSTONE PACKING

Wet smoke-proof mask capable of generating oxygen

The present invention relates to a wet smoke-proof mask capable of generating oxygen and, specifically, comprises: a mask body formed in a half-folded shape and, when unfolded, formed in a shape that simultaneously shields the mouth and nose of a wearer; an exhaust valve which is provided in one area of the outer surface of the mask body, and which has an exhaust port so that the exhaled air of the wearer can be discharged to the outside; a filter unit formed at the inner side of the mask body; and an oxygen generation unit, which is provided on the outer surface, of the filter unit, positioned to be adjacent to the face of the wearer, so as to supply, to the wearer, oxygen generated when the mask body is unfolded, wherein the oxygen generation unit includes: a Tyvek filter made of a Tyvek material and formed in a size corresponding to the size of the filter unit; a reaction solution supply unit which is positioned within the Tyvek filter, and which includes a plastic pack containing a reaction solution and porous fibers covering the plastic pack; and an oxygen generation member formed of an oxygen-generating compound that receives the reaction solution supplied from the reaction solution supply unit and causes a chemical reaction to generate oxygen, wherein one region of the plastic pack of the reaction solution supply unit is torn when the mask body is unfolded, so that the reaction solution is supplied to the oxygen-generating member so as to generate oxygen.
Owner:COVERBIO CO LTD

Compressible paper raincoat and production method thereof

The invention relates to a raincoat, provides a compressible paper raincoat and a production method thereof and overcomes the defects that a raincoat of the prior art is only suitable for use on rainy days, takes long time to be air-dried after being exposed to rain and is clumsy and not easy to neaten. The compressible paper raincoat comprises a raincoat body produced with Tyvek which is subjected to printing and waterproof finishing, the raincoat body is provided with an outer pocket, and the outer pocket is produced by printing a reflecting pattern including glass beads and PU (polyurethane) on PET (polyethylene terephthalate) film, and combining the reflecting pattern to a base cloth layer with a presser roller, and combining the base cloth layer to the raincoat body; a slurry used in the printing is made from 40-45 parts of polyvinyl alcohol, 50-54 parts of soluble starch, and 3-5 parts of a thickener.
Owner:FUJIAN LONGCHUANG IND DESIGN