US20050013981A1 - Unitized structural reinforcement construct - Google Patents

Unitized structural reinforcement construct Download PDF

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Publication number
US20050013981A1
US20050013981A1 US10/857,652 US85765204A US2005013981A1 US 20050013981 A1 US20050013981 A1 US 20050013981A1 US 85765204 A US85765204 A US 85765204A US 2005013981 A1 US2005013981 A1 US 2005013981A1
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United States
Prior art keywords
fibrous
filamentary
components
reinforcing
unitized
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Abandoned
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US10/857,652
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English (en)
Inventor
Paul Schmidt
Gene Lamb
David Anderson
Nick Carter
Tom Dort
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Avintiv Specialty Materials Inc
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Polymer Group Inc
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Publication date
Application filed by Polymer Group Inc filed Critical Polymer Group Inc
Priority to PCT/US2004/017073 priority Critical patent/WO2004108626A1/fr
Priority to US10/857,652 priority patent/US20050013981A1/en
Assigned to POLYMER GROUP, INC. reassignment POLYMER GROUP, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CARTER, NICK, DORT, TOM, SCHMIDT, PAUL, LAMB, GENE, ANDERSON, DAVID
Publication of US20050013981A1 publication Critical patent/US20050013981A1/en
Assigned to CITICORP NORTH AMERICA, INC., AS COLLATERAL AGENT reassignment CITICORP NORTH AMERICA, INC., AS COLLATERAL AGENT SECURITY AGREEMENT Assignors: CHICOPEE, INC., FIBERTECH GROUP, INC., PGI POLYMER, INC., POLY-BOND INC., POLYMER GROUP, INC.
Assigned to FABPRO ORIENTED POLYMERS, L.L.C. reassignment FABPRO ORIENTED POLYMERS, L.L.C. RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: CITICORP NORTH AMERICA, INC., AS COLLATERAL AGENT
Assigned to PNC BANK, NATIONAL ASSOCIATION, AS AGENT reassignment PNC BANK, NATIONAL ASSOCIATION, AS AGENT SECURITY AGREEMENT Assignors: FABPRO ORIENTED POLYMERS, L.L.C.
Abandoned legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/02—Agglomerated materials, e.g. artificial aggregates
    • C04B18/028—Agglomerated materials, e.g. artificial aggregates temporarily agglomerated, e.g. agglomerates which fall apart during mixing with the other mortar or concrete ingredients
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/26—Bituminous materials, e.g. tar, pitch
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/0045—Polymers chosen for their physico-chemical characteristics
    • C04B2103/0051—Water-absorbing polymers, hydrophilic polymers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity

Definitions

  • This invention relates to a fibrous and/or filamentary construct, which can be used in providing cementitious mixtures, or aggregates exhibiting adverse affects on the components therein, supplemental and reinforcing strength upon setting, and more particularly, to a unitized fibrous and/or filamentary construct which comprises a plurality of oriented reinforcing fibrous and/or filamentary components combined with a circumferential retaining element, said circumferential retaining element providing temporary retention of the oriented reinforcing components until such point the unitized substrate is incorporated and subjected to mechanical agitation during preparation of the mixture.
  • the reinforcing fibrous components may comprise metallic or superabsorbent polymer fibrous components.
  • Each fibrous and/or filamentary construct may comprise a plurality of fibrous or filamentary units, which in themselves, each comprise fibrous or filamentary components combined with a circumferential retaining element.
  • the fibrous components used typically in the practice of reinforcing cementitious mixtures include specifically thermoplastic synthetic fibers of finite staple length, such as polypropylene staple fibers.
  • Thermoplastic staple fibers are produced by a well known and economical melt spinning process, in which molten polymer is extruded through a die having a plurality of small openings to produce a tow of continuous thermoplastic filaments of a controlled diameter. The filaments are cooled and drawn or elongated to increase tensile strength. A size or finish is usually applied to the filaments, followed by drying and cutting into the desired length to provide bundles of individual fibers.
  • polypropylene fibers are desirable for several reasons, including low raw material cost, beneficial physical properties such as malleability, and the non-reactive chemical properties of the polymer in the adverse environments frequently encountered in cementitious mixtures (i.e. strongly alkaline pH).
  • Staple length fibers are provided in the same form as such are manufactured from the fiber formation line, which included agglomerates of various size and weight, tangles or knots of intermingled staple fibers, and numerous individual staple fibers that are in and of themselves prone to release randomly.
  • U.S. Pat. No. 5,399,195 discloses the addition of small amounts of fine (less than 30 microns) polymer fibers to concrete.
  • the filaments are treated with a topical wetting agent.
  • the wetting agent holds or binds the staple fibers together in the form of micro-bundles.
  • the micro-bundles remain relatively stable during handling, and when the fibers are added to the concrete mix, the wetting agent promotes dispersion of the fibers.
  • U.S. Pat. No. 6,258,159 also incorporated herein by reference, attempts to address the forming of micro-bundles of fibers by incorporation of binding agents into the staple fibers themselves during the melt-extrusion process.
  • binding agents whether internal or externally applied, while improving in-part issues inherent of individual staple fibers, such practices have not obviated such problems as random agglomerate size, and further, the use of binding agents has introduced additional problems.
  • the corresponding performance of the binding agent is based upon application of the binding agent to the reinforcement fibrous components such that the binding agent is both uniformly applied to the majority of the fibers so as to obtain equivalency within the batch, and that no excess binding agent is introduced as such will adversely effect the ability of the reinforcement fibrous components to disengage and distribute homogeneously.
  • One other determent encountered in the use of binding agents is that air is often entrained within the micro-bundles upon application and agglomeration of the staple fibers. When such micro-bundles are subjected to mechanical mixing, the entrained air is released as a foam, a foam that reasonably compromises the ability of the cementitious mixture to cure uniformly.
  • the present invention relates to a fibrous and/or filamentary construct, which can be used in a mixture which can be cementitious, or an aggregate exhibiting adverse affects on the components therein, to provide supplemental and reinforcing strength upon setting, and more particularly, to a unitized construct which comprises a plurality of oriented reinforcing fibrous and/or filamentary components combined with a circumferential retaining element, said circumferential retaining element providing temporary retention of the oriented reinforcing components until such point the unitized substrate is incorporated and subjected to mechanical agitation during preparation of an aggregate compound.
  • the unitized fibrous and/or filamentary construct is endowed with inherent and improved dispensability and dispersability of the associated reinforcing component into aggregates exhibiting adverse affects on the components therein, demonstrated by bituminous aggregates, such as asphalt, whereby the unitized fibrous and/or filamentary components are unaffected by the internal environmental conditions of the aggregate.
  • the unitized construct is endowed with inherent and improved dispersability and dispensability of the associated reinforcing components into organic or inorganic cementitious matrices, such as concrete, mortar, plastic, etc.
  • the reinforcing component of the present unitized construct may comprise metallic or superabsorbent polymer fibrous components of finite staple or infinite length.
  • the present fibrous and/or filamentary construct may be configured as a compound construct, which comprises a plurality of fibrous or filamentary units, which in themselves, each comprise the oriented reinforcing fibrous or filamentary components combined with one or more of the circumferential retaining elements.
  • the unitized fibrous and/or filamentary construct of the present invention is formed from two or more reinforcing fibrous and/or filamentary components of finite or infinite length, essentially parallel in orientation, and a circumferential retaining element.
  • the compositions of the reinforcing fibrous and/or filamentary component is selected from the group consisting of synthetic polymers, natural polymers, metallic fibers, and the combinations thereof, and are not necessarily of the same polymeric composition, denier, finite staple length, or functionality.
  • the compositions of the metallic reinforcing fibrous components are selected from the group consisting of ferrous and non-ferrous metals, alloys thereof, including a combination thereof.
  • the circumferential retaining element describes a route about the combined two or more essentially parallel reinforcing fibrous components, thereby maintaining both the combination and essentially parallel orientation of the reinforcing components.
  • the circumferential retaining element aids in maintaining the integrity of the unitized fibrous and/or filamentary construct, and the reinforcing fibrous and/or filamentary components therein, for purposes of shipment, measurement, and dosing into an aggregate compound.
  • the circumferential retaining element Upon mechanical agitation of the unitized construct in an aggregate, which may exhibit adverse affects on the components therein, the circumferential retaining element is disrupted, allowing for the homogenous release, distribution, and dispersement of the reinforcing fibrous and/or filamentary components into the overall mixture without deteriorating due to extreme environmental conditions.
  • the circumferential retaining element is selected from suitable materials, such as thermoplastic, thermoset and soluble resins, which are subject to mechanical failure when a corresponding stress and/or solvency threshold is exceeded.
  • suitable materials such as thermoplastic, thermoset and soluble resins, which are subject to mechanical failure when a corresponding stress and/or solvency threshold is exceeded.
  • Various geometries may be employed in the application of the circumferential retaining element, including without limitation, continuous or discontinuous filaments, ribbons, or sheets, which circumscribe the combined, essentially parallel reinforcing fibrous and/or filamentary components.
  • the reinforcing fibrous and/or filamentary components may be orientated in a fashion other than parallel. It is within the purview of the present invention that the composition of the circumferential retaining elements and of one or more of the reinforcing components need not necessarily be the same. Further, the reinforcing components may comprise more than one similar or dissimilar circumferential retaining element.
  • the present unitized construct may include superabsorbent polymer fibrous components.
  • the one or more incorporated superabsorbent polymers Upon introduction to the cementitious mixture, the one or more incorporated superabsorbent polymers begin to expand due to the moisture presence. Further, once exposed to mechanical agitation, the circumferential retaining element of the unitized fibrous construct is disrupted, releasing the tension within the fibrous construct caused by the expanded super absorbent polymer. The release of the tension build-up within the fibrous construct assists with distribution and disbursement of the reinforcing fibrous component into the overall cementitious mixture.
  • the reinforcing fibrous and/or filamentary components can be treated with performance modifying additives, such as represented by the topical application of a material flow-enhancing lubricant.
  • performance modifying additives such as represented by the topical application of a material flow-enhancing lubricant.
  • temporary binding agents including water-soluble chemistries such as polyvinyl alcohol, can be used in conjunction with the circumferential binding element.
  • the constructs can be readily packaged through an automatic packaging system or containerized in bulk.
  • the latter packaging allows for a quantity of unitized constructs to being accurately and reproducibly augured, scooped or blended into an aggregate compound at a mixing station, for example, through an automated gravimetric dispensing system.
  • FIG. 1 is a photograph of a representative unitized fibrous construct as formed in accordance with the present invention, approximate dimensions are an overall circumference of 25 mm and a length of 18 mm;
  • FIG. 2 is a photomicrograph of the same unitized fibrous construct as shown in FIG. 1 , wherein the plurality of reinforcing fibrous components and the single circumferential retaining element are more specifically depicted;
  • FIG. 3 is a photograph of a representative unitized fibrous construct as formed in accordance with the present invention.
  • FIG. 4 is a photomicrograph of the same unitized fibrous construct as shown in FIG. 3 , wherein the plurality of reinforcing fibrous components and the single circumferential retaining element are more specifically depicted.
  • Finite staple length fibers are routinely used as a reinforcement means in aggregates which may exhibit adverse affects on the components therein, so as to render a corresponding cured construct incorporating such fibers more resistant to structural defect and failure.
  • Specific environments which are understood to adversely affect aggregate components are those of temporary or continuous: extreme temperature (herein defined as being temperatures greater than 125° C. or less than 0° C.) variations in pH levels (herein defined as being pH levels greater than 10 and less than 4) and/or abrasiveness. Due to difficulties encountered in the actual handling and homogenous incorporation of the finite staple length fibers experienced in preparing an aggregate compound, the present invention is directed to a means for facilitating such preparation without the introduction of potentially problematic binding agents.
  • a unitized fibrous and/or filamentary construct which comprises a plurality of oriented reinforcing components combined with a circumferential retaining element, is formed such that said circumferential retaining element provide temporary retention of the oriented reinforcing components until such point the unitized substrate is incorporated and subjected to mechanical agitation during preparation of an aggregate exhibiting adverse affects on the components therein.
  • the unitized fibrous and/or filamentary construct is endowed with inherent and improved dispensability and dispersability of the associated reinforcing fibrous and/or filamentary components into aggregate exhibiting adverse affects on the components therein, without having a delirious affect on the incorporated reinforcing components.
  • the unitized construct of the present invention is formed from two or more reinforcing fibrous and/or filamentary components of finite or infinite length and essentially parallel orientation, wherein the composition of such fibers and/or filaments is selected from the group consisting of synthetic polymers, natural polymers, and the combinations thereof.
  • the composition of the reinforcing fibers and/or filaments is selected from the synthetic polymers including, without limitation, thermoplastic and thermoset polymers.
  • a particularly preferred embodiment of the present invention is directed to reinforcing fibers and/or filaments comprising polyolefin thermoplastic resins.
  • the individual reinforcing components as incorporated in the unitized construct need not necessarily be of the same polymeric composition, denier, finite staple length, or functionality.
  • a portion of the reinforcing fibrous and/or filamentary components or all of the reinforcing components may be placed under tension by means of twisting the reinforcing components or by other means. Placing tension on some or all of the reinforcing fibrous components causes the fibrous and/or filamentary components to burst or pop upon mechanical agitation, which enhances the fiber and/or filament distribution within an aggregate compound.
  • the present unitized construct may comprise metallic fibrous components of either finite staple or infinite length, selected from the group consisting of ferrous metals, non-ferrous metals, alloys of such metals, and the combinations thereof.
  • Such a unitized metallic fibrous construct may also include synthetic polymers, and combinations thereof.
  • the present unitized construct may also comprise superabsorbent polymer fibrous reinforcing components of either finite staple or infinite length.
  • the unitized fibrous and/or filamentary construct further includes a circumferential retaining element.
  • the circumferential retaining element describes a route about the combined two or more essentially parallel reinforcing fibrous and/or filamentary components, thereby maintaining both the combination and essentially parallel orientation of the reinforcing fibrous components. Once formed, the circumferential retaining element aids in maintaining the integrity of the unitized construct, and the reinforcing fibrous and/or filamentary components therein, for purposes of shipment, measurement, and dosing into a aggregate exhibiting adverse affects on the components therein.
  • the circumferential retaining element Upon mechanical agitation, and optionally exposure to appropriate solvents, of the unitized construct in an aggregate compound, the circumferential retaining element is disrupted, allowing for the homogenous release, distribution and dispersement of the reinforcing fibrous and/or filamentary components into the overall mixture without deteriorating due to extreme environmental conditions.
  • the circumferential retaining element is selected from suitable materials, such as thermoplastic, thermoset and soluble resins, which are subject to mechanical failure when a corresponding stress and/or solvency threshold is exceeded.
  • suitable materials such as thermoplastic, thermoset and soluble resins, which are subject to mechanical failure when a corresponding stress and/or solvency threshold is exceeded.
  • Various geometries may be employed in the application of the circumferential retaining element, including without limitation, continuous or discontinuous filaments, ribbons, or sheets, which circumscribe the combined, essentially parallel reinforcing fibrous and/or filamentary components. It is within the purview of the present invention that the composition of the circumferential retaining elements and of one or more of the reinforcing components need not necessarily be the same. Further, more than one circumferential retaining element may circumscribe the circumference of the reinforcing fibrous and/or filamentary components, which may not necessarily be the same geometry or composition.
  • the reinforcing fibrous components can be retained by two thin circumferential retaining elements in a double helix wrapping technique, whereby two circumferential retaining elements criss-cross back and forth about the circumference of the fibrous components. It is within the purview of the present invention that the composition of the circumferential retaining element and of one or more of the reinforcing fibrous components need not necessarily be the same.
  • the circumferential retaining element circumscribes no more than 80% of the total surface area of the unitized fibrous and/or filamentary construct; more preferably circumscribes no more than 50% of the total surface area of the unitized fibrous and/or filamentary construct; and most preferably circumscribes no more than 30% of the total surface area of the unitized fibrous and/or filamentary construct.
  • Limiting the circumferential retaining element serves to expose the oriented reinforcing fibrous and/or filamentary components within the unitized constructs to the external environment.
  • the exposure of the fibrous and/or filamentary components allows for more effective disruption of the unified construct when subjected to mechanical or solvent disruption.
  • a preferred, though non-limiting, method is taught in part by U.S. Pat. No. 4,228,641, incorporated herein by reference, wherein a twine comprised of a core bundle of synthetic monofilaments is circumscribed by a synthetic material in a thin band form spirally wound about the monofilaments. It has been found by the inventors of the present invention that by practice of the '641 method, with subsequent and repeated scission of the continuous twine construct at or between each iteration of the spiral winding that finite length unitized fibrous constructs are formed which are suitable for practice in light of the present invention.
  • the dimensions of the unitized fibrous and/or filamentary construct is defined in terms of the overall circumference, as based on the quantity and relative denier of the individual reinforcing components, and of length, as based on the greatest finite staple length of the cumulative combination of reinforcing components.
  • Suitable overall circumferences and lengths of unitized fibrous and/or filamentary constructs formed in accordance with the present invention may reasonably range from 3 mm to 150 mm and from 8 mm to 100 mm, respectively.
  • unitized fibrous constructs exhibit an overall diameter of between 3 mm and 30 mm and lengths of between 12 mm and 50 mm may be utilized.
  • the unitized fibrous and/or filamentary components may be of infinite lengths, so as to provide a fibrous and/or filamentary construct in a continuous form.
  • a formation allows the continuous unitized reinforcing fibrous and/or filamentary components to be available in a continuous form and packaged in a continuous lap or roll formation.
  • the continuous unitized fibrous and/or filamentary construct may comprise a series of segmented perforations or weakened points along the continuous formation so that the desired portion may be selected and detracted from the remainder of the roll form.
  • the reinforcing construct of the present invention can be formed as a compound construct, including plural units each comprising two or more reinforcing components, and a retaining element.
  • the compound unitized fibrous of filamentary construct of the present invention is formed from two or more fibrous or filamentary units of reinforcing fibrous or filamentary components, wherein the components are of finite staple lengths and essentially parallel orientation and circumscribed by one or more circumferential retaining elements.
  • the compound unitized fibrous or filamentary construct which is comprised of two or more fibrous or filamentary units of finite staple length reinforcing fibrous or filamentary components, is also unitized by one or more circumferential retaining elements, so as to form a compound unitized fibrous or filamentary construct.
  • the compound unitized fibrous or filamentary construct of the present invention is formed from two or more fibrous or filamentary units of reinforcing fibrous or filamentary components, wherein the components are of infinite lengths and essentially parallel orientation and circumscribed by one or more circumferential retaining elements.
  • the compound unitized fibrous or filamentary construct which is comprised of two or more fibrous of filamentary units of infinite length reinforcing fibrous of filamentary components, is also unitized by one or more circumferential retaining elements, so as to form a compound unitized fibrous or filamentary construct.
  • the compound unitized fibrous and/or filamentary construct of the present invention is formed from two or more fibrous and filamentary units of reinforcing fibrous and filamentary components, wherein the components are of finite staple length or of infinite lengths and essentially parallel orientation and circumscribed by one or more circumferential retaining elements.
  • the compound unitized fibrous and filamentary construct may comprise fibrous and filamentary components of similar or dissimilar materials.
  • the fibrous and filamentary components may enhance the cementitious mix in a similar or dissimilar manner, wherein one component may enhance the strength of the cementitious mix and the other component may enhance the aesthetics of the cementitious mix.
  • the compositions of the reinforcing fibrous or filamentary components is selected from the group consisting of filaments exhibit an overall diameter of between 3 mm and 30 mm and lengths of between 12 mm and 50 mm may be utilized.
  • the reinforcing fibrous or filamentary components may be of infinite length, wherein the reinforcing fibrous components are combined in an essentially parallel orientation, whereby one or more circumferential retaining elements circumscribes about the overall circumference of the continuous reinforcing fibrous or filamentary components.
  • the constructs can be readily formed into easy-to-handle structures to enhance durability of the construct, improve handling and packaging of the construct, as well as improve distribution of the construct within a cementitious mixture, such structures include, but are not limited to small briquettes or nuggets, or larger blocks or bricks, or even larger cinder block structures.
  • the compound unitized fibrous or filamentary construct structures may comprise one or more modifying additives or agents embedded within the structure such as in tablet or packet form, packed through an automatic packaging system and containerized in bulk. The latter packaging allows for a quantity of unitized fibrous constructs to being accurately and reproducibly augured, scooped or blended into a cementitious mixture at a mixing station, for example, through an automated gravimetric dispensing system.
  • the reinforcing components can be treated with performance modifying additives, such as represented by the topical application of a material flow-enhancing lubricant and temporary binding agents, such as water-soluble chemistries.
  • the constructs can be readily packaged through an automatic packaging system or containerized in bulk.
  • the latter packaging allows for a defined quantity of unitized constructs to being accurately and reproducibly augured, scooped or blended into an aggregate compound at mixing station, through an automated gravimetric dispensing system.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Reinforced Plastic Materials (AREA)
US10/857,652 2003-05-30 2004-05-28 Unitized structural reinforcement construct Abandoned US20050013981A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/US2004/017073 WO2004108626A1 (fr) 2003-05-30 2004-05-28 Structure de renfort structural unitaire
US10/857,652 US20050013981A1 (en) 2003-05-30 2004-05-28 Unitized structural reinforcement construct

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US47457903P 2003-05-30 2003-05-30
US47570103P 2003-06-04 2003-06-04
US49063003P 2003-07-28 2003-07-28
US49058203P 2003-07-28 2003-07-28
US10/857,652 US20050013981A1 (en) 2003-05-30 2004-05-28 Unitized structural reinforcement construct

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US20050013981A1 true US20050013981A1 (en) 2005-01-20

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US (1) US20050013981A1 (fr)
EP (1) EP1641725A1 (fr)
JP (1) JP2006526565A (fr)
MX (1) MXPA05012930A (fr)
WO (1) WO2004108626A1 (fr)

Cited By (2)

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Publication number Priority date Publication date Assignee Title
US7452418B2 (en) 2003-05-30 2008-11-18 Polymer Group, Inc. Unitized filamentary concrete reinforcement having circumferential binding element
US7597952B2 (en) 2003-01-24 2009-10-06 Polymer Group, Inc. Unitized fibrous concrete reinforcement

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ITNA20080050A1 (it) * 2008-08-08 2010-02-09 Ing Domenico Brigante Materiale cementizio fibro rinforzato per applicazioni strutturali e non strutturali.

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US7597952B2 (en) 2003-01-24 2009-10-06 Polymer Group, Inc. Unitized fibrous concrete reinforcement
US7452418B2 (en) 2003-05-30 2008-11-18 Polymer Group, Inc. Unitized filamentary concrete reinforcement having circumferential binding element

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JP2006526565A (ja) 2006-11-24
WO2004108626A1 (fr) 2004-12-16
EP1641725A1 (fr) 2006-04-05
MXPA05012930A (es) 2006-02-28

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