Abstract: A scented wafer having a body formed of a heat resistant fibrous material having a predetermined porosity resulting from a selected denier and length of fibers. A scented material is impregnated into the body material and is constructed to melt and release a scent when exposed to heat at a predetermined temperature for aromatherapy, insect repellant, wild life attractant, medicinal use, deodorant and odor control, perfume release, or any other desired or suitable purpose. The body material does not melt at the predetermined temperature.

Abstract: A device and method for removing hot molten wax or other material from a receptacle for a meltable tart or the like. The device has a heat resistant body formed of a material that is of sufficient porosity to absorb or soak up the hot molten wax or other material in the receptacle when it is positioned therein and to retain its structural integrity so that it can be disposed of after it has absorbed or soaked up the hot molten wax or other material.

Abstract: A method of forming carded fibers of different materials. A feed system has a plurality of separate laterally spaced chambers containing fibers of different materials. The different fibers are fed in separate laterally spaced paths into a carding apparatus having a plurality of rollers and cylinders each having laterally spaced sections in alignment with the laterally spaced paths to receive and maintain the different fibers in the laterally spaced paths thereon as they move through the carding apparatus. The different fibers are combined into a multi-fiber roving or web after they exit the carding apparatus. Depending on the composition of the different fibers, they may be combined by conveying them through a humidifying and heated chamber or chambers.

Abstract: A device and method for supporting a meltable tart and removing hot molten wax or other material from the tart when heated. The device has a heat resistant body formed of a material that is of sufficient porosity to absorb or soak up hot molten wax or other material from the tart and to retain its structural integrity so that it can be disposed of after it has absorbed or soaked up the hot molten wax or other material from the used tart.

Abstract: A method of making a high-temperature and fire-resistant fabric is described in which staple carbon fiber yarns are woven into a unified multi-layer woven fabric. The warp ends and filling picks of the unified multi-layer woven structure are positioned such that they prevent penetration of fire flames, welding sparks and molten metal spatter from penetrating through the unified multi-layer fabric.

Abstract: A composite pad is made of two layers joined together at their interface. The top layer of the composite pad, which has a smooth surface has a dense and firm fine denier fibrous structure. The bottom layer of the composite pad has a lighter and softer coarser denier fibrous structure in order to be able to have a large fluid holding capacity. A method of manufacturing the composite stamp pad is described.

Abstract: A composite stamp pad is made of two layers joined together at their interface. The top layer of the composite stamp pad, which contacts the raised points side of the stamp, has a dense and firm fine denier fibrous structure in order to be able to transfer ink to the raised points of the stamp with high precision and without depositing ink into the recessed areas located between the raised points of the stamp. The bottom layer of the composite stamp pad has a lighter and softer coarser denier fibrous structure in order to be able to have a large ink holding capacity. A method of manufacturing the composite stamp pad is described.

Abstract: A temporary plug for stemming the flow of water in a water system during the repair of a pipe. The plug is constructed of a water soluble fiber, preferably poly(vinyl alcohol) polymer fiber. The polyvinyl alcohol fiber is preferable carded and needle punched into a fibrous sheet material. Plugs of a predetermined size are then cut from the fibrous sheet material.

Abstract: An enhanced filtering media composite formed of a first electret media layer attached uniformly onto a second non-woven fibrous media layer by a special needling construction and procedure, so as to provide a needled media composite having increased mechanical strength and particle retention capacity. The first media electret layer is composed of about 50 wt. % mixture of polypropylene and modacrylic fibers, and the second media layer is composed of 80% 3 denier.times.3 inch polyester staple and 1.4 denier.times.1.5 inch polyester staple fibers, the fibers of one layer being selectively needled into the other layer using controlled needling density penetration, depth and repetitions to provide a composite having improved mechanical strength and filtration performance.

Abstract: Multiple filter bags are formed from a layered composite sheet of two, essentially identical fibrous or felt layers by needling a plurality of transverse paths each 0.75 to 1.5 inches wide on the composite sheet, the paths being spaced 4-18 inches apart so as to form a plurality of tubular shaped channels. The needled transverse paths are then slit longitudinally along a central line so as to form separate elongated tubes, which are then cross cut apart transversely to produce segments of any desired length such as 12-36 inches. These segments are each final closed at one end of each segment by needling or stitching to form multiple filter bag structures. The invention also includes the felt filter bags produced by this method of manufacture.

Abstract: Fibers comprising 10 to 100% of bicomponent fibers, composed of a core polymer covered by a sheath polymer, are heated to a temperature between the softening point and the melting point of the sheath polymer for 5 seconds to 5 minutes at a pressure of 0 to 2000 psi until the fibers are bonded together. The products are used for drive belts and seals, nib felts for marking pens, filter cloths for plate and frame filters, filtration cartridges, stamp pad ink reservoirs, and battery separators.

Abstract: An improved system and method for providing a controlled release of vapors from a vaporizable material such as a fragrance material provided in a container for air freshening. The system includes a sealable container containing a porous reservoir medium, which contains a liquid fragrance material in communication with a plenum cavity for accumulation of vapors therein without reaching a pressure equilibrium with the liquid source. A permeable barrier is provided between the plenum and the atmosphere for metered release of vapors through an aperture provided in an impermeable barrier to the atmosphere. The reservoir medium contains capillaries and the surface area of the reservoir medium adjacent the plenum is made large compared to that of the apertures in the impermeable barrier. Thus, the conversion of a liquid phase fragrance material in the reservoir absorbent material to vapor phase for dispersal to the surrounding air is controlled so that the service life of the device is substantially extended.

Abstract: A method for in-line filtration of flowing liquids wherein composite filtering of mechanical entrapment type and of absorptive character is implemented in relative measures adapted to meet both flow rate and contaminant filtration requirements. The invention effects jointly operative steps of mechanical and absorptive oil-based contaminant removal with accommodation of desired flow rate of automotive coating liquid by a practice wherein these two filtration techniques are effected concurrently throughout a length of conduit assigned to filtering. The invention is practiced through the use of a fibrous body, comprised in first part of oil-absorptive fiber and in second part of fibrous matter substantially non-absorptive to oil contaminants, the second part fibrous matter being arranged to selectively entrap oil contaminants and prevent absorption thereof by such oil-absorptive fiber.