510 results about "Vapor barrier" patented technology

A process for depositing polycrystalline silicon on substrates, including foreign substrates, occurs in a chamber at about atmospheric pressure, wherein a temperature gradient is formed, and both the atmospheric pressure and the temperature gradient are maintained throughout the process. Formation of a vapor barrier within the chamber that precludes exit of the constituent chemicals, which include silicon, iodine, silicon diiodide, and silicon tetraiodide. The deposition occurs beneath the vapor barrier. One embodiment of the process also includes the use of a blanketing gas that precludes the entrance of oxygen or other impurities. The process is capable of repetition without the need to reset the deposition zone conditions.

A golf ball comprising a core, a barrier layer enveloping the core, and a cover enveloping the barrier layer, wherein the barrier layer has a moisture vapor transmission rate less than that of the cover, and the barrier layer comprises a thermoplastic or thermoset composition of microparticles dispersed in a binder.

A fibreboard, insulating, wall panel includes an integral air and vapor barrier of metal foil or metallized plastic film adhered to one surface of the panel. Panels are attached to a stud wall frame. Abutting panel joints are taped to provide a continuance vapor barrier. Increased thermal and acoustic insulation as well as structural integrity of the barrier is provided by the panel.

The present invention is directed towards a multi-layered core golf ball that comprises a center, a cover and at least two core layers formed around the center to create an inner ball, wherein the outermost core layer is relatively stiff and hard relative to the center. One outermost core layer is heavily filled with a density increasing material and at least one core layer functions as a moisture vapor barrier. One core layer may serve to provide all the functions in a single layer.

A microfluidic device comprising a plurality of reaction chambers in fluid communication with a flow channel formed in an elastomeric substrate, a vapor barrier for preventing evaporation from the plurality of reaction chambers, and a continuous phase fluid for isolation of each of the plurality of reaction chambers.

A new concept wall system is provided, wherein the Exterior Insulation and Finish System cladding is created using components with no water absorption, a very low vapor permeability and sealing properties, accommodated with an installation technology which extend the materials properties to the assembly, together with bonding and sealing the intersections and terminations, creating a Non-Permissive to water and vapor diffusion, Exterior Insulation and Finish System (NP-EIFS). The present invention relates to an EIFS cladding having two air and vapor barriers, one applied to the substrate, a continuous liquid membrane with sheathing joints sealed to be moisture barrier for inside vapors, and an exterior weather and vapor barrier which is created using closed cell extruded polystyrene insulation boards, special assembled with joints sealed, to create a non-permissive insulation envelope of the enclosure. Another object of the invention is to provide waterproof and air/vapor-proof details, a new concept of flashing and sealant application around windows/doors and other constructive elements to avoid thermal bridges and air leakage inside thermal envelope and wall assembly. Methods of installation are included.

A method and apparatus for making an rigid foam insulating panel is disclosed. The panel includes an rigid foam sheet with a plurality of grooves or recesses in which reinforcing strips are placed. Both sides of the sub-assembly are covered with a reinforcing sheet made of plastic, paper, foil, or a combination thereof. These reinforcing sheets are bonded to the surface of the rigid foam sheet and provide structural support to the sheet, as well as retaining the reinforcing strips in place. They also provide a vapor barrier on both sides of the sheet to prevent the migration of moisture through the sheet toward the wall covering, which will typically be attached to the side of the sheet in which the reinforcing strips are inserted.

The invention provides a light guide structure, a backlight module and a manufacturing method thereof. The light guide structure includes a light guide plate, an optical converting element and an optical vapor barrier. The light guide plate is provided with a light receiving face. The chemical vapor barrier covers the light receiving face. The optical converting element is arranged on the light receiving face and between the light guide plate and the optical vapor barrier. The invention utilizes the optical vapor barrier to separate optical converting element and the external world, thereby preventing the optical converting element from being affected with damp. Thus, the reduction of the optical converting efficiency is decelerated.

A multi-layer prefabricated wall panel for modular building and a method for manufacturing the same. The panel comprises a load-bearing and vapor barrier core layer; an interior insulating and utility installation layer bonded to the inner face of the core layer; an exterior sheet of a first rigid building material bonded to the interior insulating layer; and an interior sheet of a second building material bonded to the outer face of said core layer. The method for manufacturing the wall panel comprises the steps of forming a stack of the panel layers with adhesive coating between successive layers and bonding the layers to each other by uniform compressing forces.

The present invention is directed to a multifunctional waterproof/vapor barrier fabric for use in industrial, medical, outdoor apparel (hunting, fishing, skiing, mountaineering, etc.) and military applications. The invention combines functional elements that are especially suited for the above applications. The fabric comprises a lining with wicking and antimicrobial properties, a vapor barrier film or coating with low Moisture Vapor Transmission Rate (M.V.T.R.), and a woven or knit face fabric enhanced with a hydrophobic face coating. The fabric performs admirably in various uses due in part to the use of hydrophobic adhesive, film and coatings, which renders the fabric subject to negligible moisture gain. The durability and water proof properties of the fabric are enhanced due to the impermeable low M.V.T.R design. The fabric of the present invention incorporates a unique combination of properties that addresses issues commonly associated with vapor barrier fabrics. The invention provides a waterproof/barrier fabric that is desirable to wear in direct contact with the skin to prevent evaporative heat loss in cool or cold conditions. The fabric is also effective when worn over one or more layers of other clothing. The fabric is particularly effective because it is capable of use as a base layer and waterproof shell, which helps to minimize the number of layers of clothing needed in cold weather.

The invention relates to a vapor barrier for use in the thermal insulation of buildings which can be used in particular, for thermal insulation procedures in new buildings or in the renovation of old buildings. The vapor barrier in accordance with the invention is thereby capable of achieving water vapor exchange under different ambient conditions. This is achieved by using a material which has a water vapor diffusion resistance which is dependent on the ambient humidity and which also has adequate tensile strength and tear resistance.

The invention relates to a method of using high velocity metal forming to encapsulate a projection of a non-metallic article by a metallic article and a method of crimping terminal flanges defining an interstitial space therebetween, while trapping a vapor barrier element between the terminal flanges, thereby hermetically sealing the interstitial space.

The present invention provides a novel technology and a novel material having excellent pliability, gas barrier properties and water resistance, for the technical fields of packaging materials, sealing materials, electric insulating materials and the like, the present invention relates to a film of a material having a denatured clay as a main constituent thereof, wherein (1) the film comprises a denatured clay and an additive, (2) the weight ratio of the denatured clay is not less than 70% relative to total solids, (3) the film has gas barrier properties and water-vapor barrier properties, (4) the film has heat resistance, (5) the film has water resistance, (6) the film has sufficient mechanical strength to be used as a self-supporting film, and (7) the film can be formed on the surface of metals, plastics, rubber, paper and the like, and the present invention can provide a material comprising the denatured clay film in which denatured clay particles are highly oriented and which has excellent heat resistance, excellent pliability, excellent gas barrier properties, excellent water-vapor barrier properties, and high water resistance.

Disclosed is a composition comprising a neutralized acid copolymer or ionomer thereof, an organic acid, and optionally other polymers, having a ratio of wet cup permeance to dry cup permeance greater than 10. The composition is useful as a variable vapor barrier for moisture control of buildings. Also disclosed are articles comprising the variable vapor composition and methods of their use.

An all rubber golf ball with one or more thermosetting rubber core layers and one or more thermosetting rubber cover layer. At least one of the ball's layers has moisture vapor barrier property, and in one aspect the moisture vapor barrier layer is an intermediate layer. In one embodiment, the thermosetting rubber layers follow a cis- or a trans-polybutadiene gradient from the center of the ball to its cover.

Low rise, user friendly latex foams for sealing insulative cavities of a building are provided. The foams may be applied to the interface of the sheathing and the studs within the insulative cavities to reduce air leaks. The latex foams may also be applied to the face of the studs to obtain an additional seal against air infiltration. The foam can be used to affix fiberglass batts, batt flanges, and vapor barriers to the framing without mechanical fasteners. A tackifier may be added to impart an adhesive quality to the foam. The tacky nature of the foam permits the drywall or vapor barrier to be repositioned without damage. Drywall is held onto the face of the studs by the tacky foam while mechanical fasteners are inserted to permanently affix the drywall to the framing. The compressive nature of the foam permits drywall to be attached without significant bowing or detachment.

There is provided, in a simple manner, a synthetic resin container which improves a vapor barrier property while maintaining a gas barrier property against oxygen or the like at a high level. The present invention is a PET bottle having a barrier film 2 formed on an inner surface of a wall portion 1 constituting a container body made of PET resin by a plasma CVD method with organic silicon compound gas and oxygen gas as raw materials, the barrier film containing silicon oxide in which a compositional ratio of oxygen among silicon, oxygen and carbon is not less than 50 atom % and a compositional ratio of carbon among silicon, oxygen and carbon is not less than 3 atom % and not more than 20 atom %. Preferably, compositional ratio of carbon in the barrier film 2 is not more than 8 atom %.

The present invention is directed to multi-layer golf balls having at least three core layers, at least one cover layer, and at least one intermediate layer between the core and the cover layer that acts as a vapor barrier. Advantageously, the at least three core layers have a hardness gradient that either increases or decreases toward the at least one intermediate vapor barrier layer.

A chicken or fowl grow out facility utilizes a ventilated floor assembly including a ventilated floor through which liquid and gas can flow, but which retains manure and other solids deposited thereon, and a bottom floor plenum underneath the ventilated floor. A liquid and vapor barrier sheet preferably covers the ground surface underneath the floor assembly which together insulate the high temperature of the grow-out facility from the heat sink effect of the lower temperature ground. Conventional tunnel ventilation of the chicken house through the ends of the house creates a negative pressure inside the house relative to the outside environment which is vented to the floor assembly plenum. As a result of this tunnel ventilation and negative pressure, moisture in the manure from urine and otherwise evaporates into the air in the growth chamber and floor assembly plenum to effectively keep dry the manure retained on the floor and reduce ammonia formation and pathogen growth.

A faced fibrous insulation having a facing on one or more surfaces of a fibrous insulation material is provided. The facing provides improved surface quality, high and controlled adhesion, and is easily manufactured. The facing of the present invention includes a pre-applied adhesive that is heat activated to provide adhesion to the fibrous insulation. The facing may be input into the glass fiber forming section of a fibrous insulation production line. Alternatively, the facing may be applied to the uncured pack prior to curing or applied to the cured fibrous insulation. As another alternative, a vapor barrier layer may be attached on a surface of the insulation opposite the facing.

A sound barrier membrane comprises of a decoupling layer, a barrier layer and a dampening layer. The membrane also provides crack isolation, and acts as a vapor barrier. Numerous materials are disclosed which can be used to create these layers. Methods for assembly of the sound barrier membrane are also disclosed.