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58results about How to "Reduce resin usage" patented technology

Fiber reinforced composite liner for lining an existing conduit and method of manufacture

A reinforced liner for cured in place pipe rehabilitation of an existing pipeline having a plurality of high-strength low-elongation fiber bundles disposed circumferentially around the tubular liner at both inner and outer surfaces of a resin absorbent layer of the liner is provided. The bundles of reinforcing fibers are continuous lengths of high modulus fibers laid circumferentially with the ability to stretch to accommodate variations in host pipe diameter. The ends of reinforcing fibers on the inner and outer reinforcing layers overlap so that the ends slide past each other as the liner is expanded prior to cure. The reinforcing fibers may be secured to a porous scrim to form an inner tubular reinforcing layer. An outer layer of bundles of reinforcing fiber are formed into a tube about the absorbent layer. An outer impermeable tubular layer is wrapped around the inner layers. The reinforcing layer may include longitudinal reinforcing fiber in either or both reinforcing layers to increase the longitudinal strength of the liner.
Owner:INA ACQUISITION

Composite cores and panels

The plurality of pieces of low density cellular material, such as foam plastics, form a core panel having opposite side surfaces and with adjacent pieces having opposing edge surfaces extending between the side surfaces. Sheets of flexible material, such as veils or mats or scrim, are adhesively attached to the side surfaces, and portions of one sheet extend between the opposing adjacent edge surfaces for limiting flexing of the panel. The pieces may be tapered, and portions of the one sheet may project between the edge surfaces either partially or fully to form double wall webs. The webs may have flanges adhesively attached to the other sheet on the opposite side. One sheet may also be stretchable in areas not adhesively attached to the pieces to provide for curving the panel from a planar position maintained by the sheet on the opposite side.
Owner:METYX USA INC

Pinch grip type bottle-shaped container

A pinch grip type bottle-shaped container (10) has opposed finger-receiving recesses (11) at sidewall regions of a container main body part, respectively, to thereby form a grip part (G) of the container (10), by the entire region including the recesses and a back surface region of the body part between the recesses. The container according to the invention is provided, at bottom surfaces of the recesses that can be touched and held (11), with multiple projections (14) projecting inwardly or outwardly of the container, thereby improving mold-releasability after the molding process.
Owner:YOSHINO KOGYOSHO CO LTD

Extraction method of heparin sodium crude product

The invention relates to an extraction method of a heparin sodium crude product, which comprises the steps that a raw material from a fresh pork lung or a thawy pork lung is minced into a pasty material; a cell activator is added for catalysis; biological enzyme enzymolysis, decontamination, separation and filtering are performed; a solution containing heparin sodium is obtained; resin adsorption, elution, organic solvent precipitation and drying are performed; and the heparin sodium crude product is obtained. The extraction method of the heparin sodium crude product can improve the product quality, can increase an effective yield, can lower the production cost, is suitable for industrial production, reduces waste emission, and has social, environmental and economic benefits.
Owner:湖南迪博制药有限公司

Structure for holding voltage detecting terminal

A voltage detecting terminal includes a flat plate-shaped electric contact portion having an insertion hole into which an electrode column of a battery is inserted, and a bent portion formed such that a tip is bent upward with respect to the electric contact portion. The bent portion is provided with a holding portion, and both ends of the holding portion in a plate width direction are expanded in the plate width direction, respectively. The voltage detecting terminal has a lower end surface of the holding portion in a thickness direction abutting against supporting surfaces of the plate and is held by a first housing portion.
Owner:YAZAKI CORP

Composite modified reinforced aging-resistant tungsten-tailing-containing ecological-sand-based water-permeable brick and preparation method thereof

The invention provides a tungsten-tailing-containing ecological-sand-based water-permeable brick. The tungsten-tailing-containing ecological-sand-based water-permeable brick is composed of the following components in percentages by weight: 96 to 97% of film-coated modified tungsten tailings, 2.4 to 3.2% of composite modified epoxy resin and 0.6 to 0.8% of an epoxy resin curing agent, wherein the film-coated modified tungsten tailings are obtained by film-coating modification of tungsten tailing siliceous aggregate through resin; and the composite modified epoxy resin is obtained by compoundingand doping modification of epoxy resin and compounding modification components comprising an organic surface modifier, inorganic powder and nanometer ultrafine oxide. The invention also provides a method for preparing the tungsten-tailing-containing ecological-sand-based water-permeable brick. The water-permeable brick provided by the invention has the advantages of low resin usage amount, high strength, excellent wear resistance and aging resistance and the like. The preparation method provided by the invention can solve the problem of high preparation cost of a sand-based water-permeable brick in a southern area, and can realize large-scale resource utilization of tungsten tailings at the same time.
Owner:江西省建筑材料工业科学研究设计院
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