vapor-permeable liquid-impermeable fabric

LIQUID IMPERMEABLE MOISTURE VAPOUR PERMEABLE

LIQUID IMPERMEABLE MOISTURE VAPOUR PERMEABLE CARPET UNDERLAY Document Type and Number: WIPO Patent Application WO/2001/027382 Kind Code: A1 Abstract: A carpet underlay comprising a composite of a fibrous substrate and a film affixed to said substrate which is impermeable to liquids and permeable to moisture vapor is disclosed Inventors: Murphy Peter Michael (5024

Post Grant Proceedings

Post Grant Proceedings U S law makes it attractive to attack patents at the Patent Office Merchant Gould has a mix of litigators and prosecutors that TongWei advantage of these options for clients Recent changes in U S patent law have made it much more attractive to attack patents at the U S Patent and Trademark Office (PTO) instead of the courts even when litigation has already begun

3M™ Air Barrier with Permeable Backing 3015VP

3M™ Air Barrier with Permeable Backing 3015VP is a self-adhered vapor permeable wind and water resistant membrane with an aggressive acrylic adhesive and a breathable film Primer is not required on most construction surfaces This reverse-wound roll allows

Vapor

04 08 1987Vapor-permeable liquid-impermeable fabric United States Patent 4684568 Abstract: A process is provided for making a water-impermeable vapor-permeable fabric A lightweight continuous coating of polypropylene resin is applied to the surface of a fibrous sheet to make the sheet impermeable to water and vapor Subsequent calendering provides vapor permeability to the sheet while

How to use permeable in a sentence

The cold weather camouflage parka fabric is a triple layer laminated waterproof windproof and moisture-vapor permeable nylon material a liquid-impermeable baffle and an absorbent enclosed by the cover and the baffle to form a pad Further addition of the detergent renders the membrane more permeable The rough grade was thinly plated with permeable sandy loam soils Groundwater is found

Please find below and/or attached an Office communication

The air impermeable liquidproof moisture vapor permeable membrane has an air permeability as measured by Gurley of greater than 200 seconds a liquid entry pressure of greater than 70kPa to a liquid having a surface tension of about 31 dynes/cm and a moisture vapor transmission rate of at least 1000 g/m2/day Spec 15 11 25-30 Representative claim 1 is reproduced below from the Claims

US 5009224 A

A method of treating a wound comprising covering the wound with a dressing comprising a hydrophilic film of pressure sensitive adhesive which film is continuous and liquid impermeable over its entire surface said film having dispersed therein cellular voids containing a gaseous phase constituting at least 10 percent of the volume of said film and a 0 76 mm thickness of said film having a

Vapor permeable liquid impermeable composite fabric and

A flexible vapor permeable liquid impermeable composite fabric comprising a ultraviolet light stabilized and thermally stabilized microporous-formable polyolefin barrier layer extrusion laminated to an ultra-violet light stabilized and thermally stabilized polyolefin nonwoven fabric the composite of which has been incrementally stretched to induce sufficient moisture vapor transmission

Patent

US Patent 6 277 104 - Air permeable liquid impermeable barrier structures and products made therefrom - Lasko et al - 21 No 4 308 303 discloses a flocked foam coated fiber reinforced water vapor permeable barrier having a fabric appearance and capable of filtering bacteria comprising a microporous polyolefin film coated on at least one surface with a foamed latex polymer flocked

Durable liquid impermeable and moisture vapor

Durable liquid impermeable and moisture vapor permeable carpet pad Abstract A carpet pad comprises a two-layer structure of a cushion and a barrier film formed of a synthetic polymeric material free of any fibrous substrate laminated thereto The barrier film may be directly bonded to the cushion or bonded thereto using a layer of adhesive The carpet pad is simultaneously impermeable to

Composite fabrics

After developing shell fabrics thermal liners and moisture barriers as per the processes described in the above Sections 4 2 1-4 2 3 these are assembled to produce a composite fabric system that can be employed to manufacture thermal protective clothing In general the composite fabric consists of a shell fabric as an outer layer (in contact with thermal environments) a moisture barrier

POST GRANT PROCEEDINGS

Vapor Permeable Liquid Impermeable Composite Fabric and Fabrication Process 95/001258 We brought this reexam on behalf of a client whose customer was notified of infringement by a competitor We successfully canceled all asserted claims 5 533 325 5 715 664 All Wheel Hydraulic Drive System 90/008 583 90/008 575

Power Loom

On a power loom let-off is the delivery of the warp yarn from the weaver's beam at a constant rate and at a constant suitable tension by unwinding it from the beam as weaving continues On a power loom the position of the fell of the cloth always remains in the same place whereas on a traditional hand loom the fell of the cloth position keeps on changing as each loom cycle completes 5

US Patent # 6 410 465 Composite sheet material

A moisture vapor permeable substantially liquid impermeable composite sheet material includes a powder-bonded nonwoven web adhered to a moisture vapor permeable thermoplastic film The nonwoven web includes a first layer comprised primarily of fibers that are compatible with an adhesive used to bond the web and a second layer comprised of a blend of fibers some of which are

VAPOR PERMEABLE LIQUID IMPERMEABLE FILMS

A process for the manufacture of a three-dimensional vapor permeable liquid impermeable film material (10) the substantially liquid impervious film and an apparatus for making the film are disclosed Successive portions of a film material are passed into contact with a continuous moving perforated member (16) The continuous moving perforated member has at least one outer apertured layer

shell fabric

resin is poured and which has if appropriate a thermoplastic surface layer characterized in that a laminated mat (1) consisting of two fabric plies (2 3) and of an intermediate ply (4) of nonwoven foam material is provided for the fabric-reinforced synthetic resin layer wherein the three plies (2 3 4) of the laminated mat (1) are pinned stitched or adhesively bonded to one another

Composite fabrics

After developing shell fabrics thermal liners and moisture barriers as per the processes described in the above Sections 4 2 1-4 2 3 these are assembled to produce a composite fabric system that can be employed to manufacture thermal protective clothing In general the composite fabric consists of a shell fabric as an outer layer (in contact with thermal environments) a moisture barrier

Garment having a moisture management suspended

The outer fabric layer (28) includes a liquid impermeable vapor permeable shield for providing a leak-proof barrier which prevents passage of liquid but permits dissipation of moisture in vapor form through the fabric The shield resides adjacent to the intermediate fabric layer (27) and is the outermost fabric layer of the suspended panel (20)

Method of making an absorbent composite and absorbent

The body side second fabric is a bulky nonwoven including fibers that entangle at least some particles in the SAP aggregate WO 2014/145312 PCT/US2014/030051 METHOD OF MAKING AN ABSORBENT COMPOSITE AND ABSORBENT ARTICLES EMPLOYING THE SAME 5 BACKGROUND [001] The present application claims the benefit of United States Provisional Application Serial No 61/801 620

Use of a Powered Coverlet for Moisture Removal Skin

-regulated loading gauge The PCL is a 3-tier coverlet composed of vapor-permeable liquid-impermeable layers with a foam spacer inbetween and a fan blower to draw moisture and heat away from the patient's skin through the spacer METHODS: A fabric moisture reservoir simulated sweating skin It was placed between the simulated human torso and pressure redistribution support surface A

POST GRANT PROCEEDINGS

Vapor Permeable Liquid Impermeable Composite Fabric and Fabrication Process 95/001258 We brought this reexam on behalf of a client whose customer was notified of infringement by a competitor We successfully canceled all asserted claims 5 533 325 5 715 664 All Wheel Hydraulic Drive System 90/008 583 90/008 575

Tarpaper vs tyvek

26 08 2001Re: Tarpaper vs tyvek Thanks Patty I've digested that and have a few more questions: 1 I know that the material on the outside of a house needs to be liquid impermeable (keeps rain out) but vapor permeable (lets moisture out from inside the house) I've seen permeability numbers associated with different building materials (tarpaper tyvek

US Patent for Vapor

Vapor-permeable liquid-impermeable fabric Apr 21 1986 - E I Du Pont de Nemours and Company A process is provided for making a water-impermeable vapor-permeable fabric A lightweight continuous coating of polypropylene resin is applied to the surface of a fibrous sheet to make the sheet impermeable to water and vapor Subsequent calendering provides vapor permeability to the sheet while

rsistance la traction transversale en anglais

La prsente invention se rapporte un joint soud l'arc par points pour raliser le soudage l'arc par points d'une tle d'acier qui utilise de l'acier de haute rsistance ayant une teneur en carbone d'au moins 0 3 % en masse et d'une tle d'acier qui utilise de l'acier forte teneur en carbone qui prsente une teneur en carbone d'au moins 0 07 % en masse le joint prsentant

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