US3579409A - High strength plastic coated fiber yarn fabric for structural reinforcement - Google Patents
High strength plastic coated fiber yarn fabric for structural reinforcement Download PDFInfo
- Publication number
- US3579409A US3579409A US639069A US3579409DA US3579409A US 3579409 A US3579409 A US 3579409A US 639069 A US639069 A US 639069A US 3579409D A US3579409D A US 3579409DA US 3579409 A US3579409 A US 3579409A
- Authority
- US
- United States
- Prior art keywords
- fabric
- yarns
- plaster
- mesh
- coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
- E04F13/06—Edge-protecting borders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/22—Corrugating
- B29C53/24—Corrugating of plates or sheets
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
- E04F13/047—Plaster carrying meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
- E04F13/04—Bases for plaster
- E04F13/06—Edge-protecting borders
- E04F2013/063—Edge-protecting borders for corners
-
- 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
- Y10T428/19—Sheets or webs edge spliced or joined
- Y10T428/192—Sheets or webs coplanar
- Y10T428/197—Sheets or webs coplanar with noncoplanar reinforcement
-
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/259—Silicic material
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2927—Rod, strand, filament or fiber including structurally defined particulate matter
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2973—Particular cross section
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/298—Physical dimension
-
- 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
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
- Y10T442/102—Woven scrim
- Y10T442/103—Including a multifilament fiber precoated with other than free metal or alloy prior to weaving
Definitions
- the fabric is comprised of fabric yarns having barbed anti-slip surfaces firmly interfused in crosswise open-mesh relationship. Additionally, the fabric yarns respectively define a generally rectangular cross-sectional configuration in which the width across which the yarn is interfused is from approximately six to eighteen times greater than the yarn thickness.
- the method of producing the fabric involves heating an open-mesh fabric constructed from glass fiber yarns coated with a thermoplastic organic coating to a temperature sufficient to transform the thermoplastic coatin to a heat-softened fusible condition. While the thermoplastic coating remains in a fusible condition, the fabric is compressed to flatten and interfuse the fabric yarns.
- thermoplastic coating While the thermoplastic coating is in a heat softened condition, finely-divided solid fragments of an inorganic material are randomly deposited or scattered on the surfaces of the fabric and embedded in the plastic coating to form a barbed anti-slip surface on the fabric.
- the present invention pertains to an open-mesh plastic coated glass fiber fabric or tape possessing physical and structural attributes highly desir able to the applied use of the fabric as structural reinforcement in such structural applications as plaster joints in plasterboard wall and ceiling constructions and the like.
- the present invention relates to the methods of fabricating such a fabric as well as the improved reinforced joint obtained by combining such a reinforcing with plaster, mortar, or the like, in a wall joint construction.
- plastic coated glass fiber yarn fabrics or tapes as reinforcement for plaster, mortar and the like in dry wall or plasterboard wall joint constructions.
- it is, of course, conventional practice to construct a Wall or ceiling structure, or the like, by anchoring a plurality of prefabricated plasterboard or wallboard panels in adja cent side-by-side assembled relationship and thereafter cover at least the interior wall side of the joints between contiguous edges of the adjacent wallboards with an overlayer of reinforcing tape which may be backed with adhesive or otherwise secured to the panels by staples or sim ilar means
- an open-mesh tape such as an open-mesh fabric comprised of plastic coated glass fiber yarns permits the plaster or mortar, which is subsequently applied to the interior wall-side of the plasterboard panels, to flow into the openings in the mesh fabric while 3,579,409 Patented May 18, 1971 the plastic or mortar is in a fluid condition and thereby permit the open-mesh fabric or tape to be embedded within and internally reinforce the mortar or plaster.
- the reinforcing tape provide adequate strength to retain the wallboard panels in a dimensionally stable assembled relationship. Dimensional stability is, of course, necessary in order to preclude the wallboards from separating and thereby produce cracks in the plaster. Consequently, it is extremely important that the joint reinforcing tape possess suflicient tensile strength to withstand such tensile stresses as would be encountered during normal conditions of expansion and settling or shifting of the completed wallboard structure. Moreover, while providing such essential functions, it is, of course, extremely important from an appearance standpoint that the reinforcing tape, as well as the joint which it covers, should not be notice-able or visibly detectable following completion of the plaster application.
- such combination plaster and wallboard assemblies are commonly referred to as thin coat systems and are designed to utilize a plaster finish coat ordinarily not in excess of one-sixteenth of an inch average thickness and a plaster base coat or mud coat which is ordinarily from onesixteenth to one-eighth of an inch average thickness.
- the plaster base coat and the plaster finish coat are applied over the entire room facing surface of the wallboard; in other instances, the plaster base coat is applied only in the localized region of the wallboard joints and overlying the mesh reinforcement,
- a new type of reinforcement for reinforcing the wallboard joints is necessitated which is not only sufliciently thin that it will be visibly undetectable through the thin plaster coatings, but also is essentially impervious to the highly alkaline nature of such plaster and mortar compositions.
- the reinforcement must be capable of providing a relatively high degree of flexibility and sufiicient tensile strength to preclude separation of the wallboards in the region of the wallboard joints and cracking of the plaster in the region overlying such joints.
- plastic coated glass fiber yarn reinforcing fabrics in which the yarns are interwoven to form an open-mesh structure, ordinarily possess requisite strength characteristics and are generally capable of providing the necessary imperviousness to moisture and alkali attack
- the addition of sufficient plastic to provide an adequate protective coating tends to preclude the use of the resultant plastic coated fabric in many applications, such as in thin wall plaster systems.
- plastic coated glass fiber yarn fabrics of the type heretofore available, tend to be excessively thick and to provide insufficient anchorage between the plastic coating and the plaster matrix.
- plastic coated glass fiber yarn fabrics tend to be excessively thick and to provide insufficient anchorage between the plastic coating and the plaster matrix.
- plastic coated glass fiber yarn fabrics it is not unusual for plastic coated glass fiber yarn fabrics to telescope through the finished plaster and hence be readily perceptible to view in the hardened finish plaster.
- plastic coated glass fiber reinforcing tapes of the type heretofore utilized in order to achieve the requisite strength requirements, are ordinarily interwoven to approximate a 20 x 20 mesh fabric.
- insufiicient penertation of the plaster into the mesh openings frequently occurs which in turn reduces the anchorage between the reinforcement and the plaster.
- one of the prime objectives of the present invention is the provision of an open-mesh plastic coated glass fiber reinforcing material which is exceptionally well-suited for use as a joint reinforcing tape in a combination prefabricated wall board and plaster construction.
- Another objective of the present invention is the provision of a reinforcing fabric which, in addition to having the foregoing haracteristics, is also especially well-suited for use as a joint reinforcement in thin coat plaster systerns.
- Another object of the present invention is the provision of an open-mesh plastic coated glass fiber yarn fabric having fragmentary projections on the surfaces of the fabric yarns to enhance the anchoring effectiveness of the fabric when used as reinforcement within the matrix of a body of material.
- a further objective of the present invention is the provision of an open-mesh fabric having a thickness ranging from about 0.0040.0l inch in thickness and comprising an array of plastic coated glass fiber yarns integrally interfused in crosswise relationship.
- a further objective of the present invention is the provision of an open-mesh fabric comprised of a plurality of plastic coated glass fiber yarns interfused in crosswise array and respectively having a generally rectangular cross-sectional configuration with a width to thickness ratio ranging from approximately 6:1 through 18:1.
- a more particular objective of the present invention is to provide an open reinforcing tape for placement across joints, spaces, cracks and the like in prefabricated wallboard constructions prior to the application of overlayers of plaster, mortar and the like, and which is characterized by being constructed from plastic coated glass fiber yarns arranged in crosswise relationship and interfused at the yarn crossovers, and further characterized by having the yarn surfaces provided with numerous fragmentary barbed projections emanating radially outward from the surfaces of the yarns.
- Another more particular objective of the present invention is the provision of a reinforcing tape having the characteristics of the last-mentioned objective and which is sufficiently thin that it may be utilized as reinforcement for plaster coatings ranging from one-sixteenth to threesixteenths of an inch in thickness without being visibly discernible from the finished side of the plaster coat-
- a still further objective of the present invention is the provision of methods of accomplishing the fabrication of an open-mesh fabric having the characteristics of each of the foregoing objectives.
- FIG. 1 depicts a schematic sectional view of one simplified form of apparatus for carrying out the method of the present invention on a production basis;
- FIG. 2 represents a greatly magnified cross-sectional view of a plastic coated glass fiber fabric taken along and in the direction of the reference sectional line 22 in FIG. 1 and prior to the initiation of the significant method steps of the invention;
- FIG. 3 is an enlarged partial sectional fragmentary view of the interior of one portion of the apparatus shown in FIG. 1, with the section being taken along and in the general direction of the reference sectional line 33 in FIG. 1;
- FIG. 4 is a greatly magnified cross-sectional view similar to FIG. 2, but taken along and in the direction of the reference sectional line 4-4 in FIG. 1, and showing the structure of the fabric after being processed in accordance with the method of this invention.
- FIG. 5 is a sectional view taken along and in the direction of the reference sectional line 5-5 in FIG. 4;
- FIG. 6 is a fragmentary perspective view of the interior wall surface of a finished prefabricated wallboard structure utilizing a joint reinforcing fabric produced in accordance with the principles of the present invention.
- FIG. 7 is a substantially enlarged sectional view taken along and in the direction of the sectional line 77 in FIG. 6;
- FIG. 8 is a sectional view taken along and in the direction of the sectional line 8-8 in FIG. 6.
- the practice of the present invention involves selecting an open-mesh glass fiber fabric comprised of plastic coated glass fiber yarns and With the plastic coating being of a type which is capable of being heat-softened and refused.
- the fabric is then exposed to the influence of heat at the proper time-temperature relationship to transform the plastic coating into a heat-softened, fusible condition.
- the plastic coating is in a fusible condition, the fabric is compressed sufficiently to flatten the individual fill yarns and warp yarns and to cause the plastic coatings thereon to interfuse the yarns together.
- minute fragments or particles of grit, stone or other rigid, finely-divided particles of solid matter are deposited over the fabric surfaces and partially embedded into the plastic coating.
- the resultant fabric in addition to being extremely thin, is characterized by having an integrated open-mesh structure composed of flattened fill yarns and warp yarns having barbed surface projections and by being interfused at each location of crossover of the fill yarns and warp yarns.
- the resultant fabric possesses structural features which, as will be subsequently explained, render the fabric extremely well-suited for structural applications such as those previously referred to.
- FIG. 1 schematically depicts conventional apparatus such as may be suitably employed for the practice of such procedures on a production basis.
- a roll of plastic coated glass fiber fabric 10 selected to possess certain desired properties which will be subsequently described, is carried upon a rotatably mounted pay-off spindle 11 from which a continuous horizontally disposed stretch of fabric is drawn through a heating oven 12 wherein the fabric is exposed to temperatures in a predetermined temperature range suitable for transforming the plastic coating on the fabric yarn to a heat-softened, fusible condition.
- the heat-softened plastic coated fabric is directed between adjustably interspaceable compression rollers 13a and 13b which compress the fabric from a thickness ordinarily ranging from about 0.015 to 0.025 inch to a thickness within the optimum range of from 0.004 to 0.010 inch. Thereafter, the fabric is drawn through a heat conditioning oven 14 which, depending upon the extent of cooling which occurs during the compression procedures, is maintained at a temperature sufficient to either retain the surface of the plastic coating in a heat-softened condition or to return the surface of the plastic coating to such condition.
- the fabric is drawn through a grit application chamber 15 wherein tiny fragments, grit or particles of stone or other similar solid inorganic rocklike mineral material are extensively deposited or entrained upon the surfaces of the heat-softened plastic coating.
- the fragmentary material, or grit may be applied by conventional pneumatic grit spray nozzles 16 which direct a light pressure application of the fragmentary material 17 uniformly onto all of the plastic coated glass fiber yarn surfaces.
- the entrained fragments or particles of solid matter are then carried by the fabric through a second set of compression rollers 21a and 21!) which function to partially embed or impress the particulate or fragmented solid matter into the heat-softened plastic coating without necessarily further compressing yarn fibers.
- the plastic coating is then thoroughly solidified and hardened by passing the fabric through a cooling zone provided in the air cooled cooling chamber 18. Thereafter, the processing completed, the finished fabric or reinforcing fabric 19 may be suitably rolled upon a rotating finish roll spindle 20, or, although not illustrated, the reinforcing fabric 19 may be split lengthwise into narrow tapes of desired widths before being wound upon finish roll spindles.
- fabric 19 is composed of warp yarns 19a and fill yarns 1% which have been flattened and reshaped from their essentially circular cross-sectional configuration shown in FIG. 2 to a generally rectangular cross-sectional configuration in which the Width of each of the respective yarns is from six to eighteen times greater than the thickness thereof. No less significant, at each location of crossover of the flattened warp yarns and fill yarns, there is a substantial area of interfusion of the plastic coatings on the respective warp yarns and fill yarns.
- the starting fabric be composed of plastic coated fill yarns and warp yarns having a nominal thickness ranging from 0.015 to 0.025 inch.
- the plastic coating should constitute not less than about percent of the total weight of the fabric yarn.
- the plastic coating should not exceed about 70 percent of the total weight of the fabric yarn.
- a fabric having a plastic coating constituting between about 25 and 45 percent weight of the total weight of the yarn may be composed of either continuous filament yarns or staple fiber yarns. However, for purposes of obtaining maximum strength and flexibility with minimum thickness, it is preferred that continuous filament glass fiber yarn fabrics be utilized.
- the fabric possess a relatively open-mesh structure in order to insure sufficient infiltration of the plaster, or the like, into the openings in the fabric. In this respect, it is accordingly preferred that the fabric have between eight and fourteen warp yarns per lineal inch and between eight and fourteen fill yarns per lineal inch.
- the plastic coating composition utilized as an envelope or covering upon the fibrous glass strands should be one which is impervious to moisture penetration and which is also capable of withstanding constant exposure to ordinary conditions of alkalinity or acidity.
- the plastic coating should be capable of withstanding exposure to environments having a pH range from about 3 to 11.
- the plastic coating should be a thermoplastic composition which is capable of being heat-softened and refused with a like body of thermoplastic material at temperatures not in excess of about 450 F.
- plastic coated glass fibers of the type considered to be particularly useful in the present invention may be prepared in accordance with the methods and apparatus disclosed in US. Pat. No. 2,910,383.
- the plastic coated glass fiber yarns may then be woven or otherwise arranged in fabric form by procedures conventionally employed in the textile industry.
- plastic coating was applied to the yarns prior to fabrication of the fabric by apparatus and methods of application such as is shown and described in US. Pat. No. 2,910,383 and was applied in the form of a polyvinyl chloride plastisol composition prepared from the following constituents:
- the secondary plasticizer is a hydrocarbon petroleum fraction having a high aromatic content, a molecular weight of 26%, a specific gravity of 0.8899 at 25 C., an open cut flash point of 135 C., an initial boiling point of 508 F., an A.S.T.M. color of 1, S.U.S. viscosities of 56 at F. and 35 at 210 F., a pour point of 60 F., an A.P.I. gravity of 27.5, a C.O.C. flash point of 270 F., and an aniline point of 112 F.
- the remaining 25 parts of polyvinyl chloride resin were added in two equal increments. One was added after the initial resin was completely wetted out (approximately two minutes), and the second increment was added after the first increment was completely wetted out. After the resin has been completely wetted out, the mixture was mixed for 20 minutes and at all times during the mixing cycle the temperature of the mix was kept below 100 F., by means of cooling coils in the Ross mixer.
- the remaining portions of the primary plasticizers were then separately blended and mixed for 15 minutes and followed by the addition of the 7 parts of hydrocarbon diluent together with 2 minutes of additional mixing.
- the diluent is an aliphatic hydrocarbon having an A.P.I. gravity of 45.5, an initial boiling point of 320 F., a flash point (T.C.C.) of 105 F., and an aniline point of 112 F.
- the resultant plastic coated glass fiber yarn possessed an average yarn diameter of approximately 0.0085 inch, which was then woven by conventional textile procedures into open-mesh fabric form to produce a fabric having 8 warp yarns per inch and 10 fill yarns per inch and possessing an average fabric thickness of 0.017 inch.
- the fabric was heated in a heating oven, operating at a temperature of between 320 and 330 F., for approximately 90 seconds to transform the plastic coating from a solid to a heat-softened fusible state.
- the respective fill yarns and warp yarns were compressed together and reshaped from a generally circular crosssectional configuration to a generally rectangular crosssectional configuration in which the width was approximately 0.0209 inch and the thickness was approximately 0.0025 inch.
- the respective yarns possessed a crosssectional width to thickness ratio of approximately 8.3:1.
- the fabric was reheated to heat-soften the surface of the plastic coating to a fusible condition following the same heat-softening procedures initially employed.
- silica particles having an average particle size sufficiently small to pass through a ZOO-mesh sieve or screen were entrained extensively on the fabric surfaces and embedded into the plastic coating.
- the plastic coating was solidified to complete the processing.
- thermoplastic coatings which per se or with suitable plasticizers can be resoftened and reshaped after initial solidification are also suitable so long as they are capable of bonding effectively to the glass fibers in the yarn and so long as they are capable of being softened and resoftened sufficiently to accommodate reshaping at temperatures which do not appreciably affect the characteristics of the glass fiber components of the yarn.
- the finely-divided solid fragments which are utilized to form the barbed surface projections on the plastic coated fabric yarns, as a consequence of only having salient significance in functioning to provide a barbed surface and to anchor the reinforcement Within the plaster matrix, may be of most any composition so long as the rigid particulate material is essentially not appreciably affected by the processing steps or apparatus employed in the formation of the reinforcement.
- the particulate material should also be essentially unaffected by exposure to the ordinary conditions and environment accompanying intended or ordinary structural use of the reinforcing fabric.
- Certain preferable materials, among others, include such rock-like materials as fiint, gypsum, quartz, sand, talc and the like.
- the particle size may vary considerably depending upon the particular intended usage of the reinforcing fabric, the particle size should be sulficiently small to avoid imparting excessive bulk or thickness to the finished reinforcing fabric or tape.
- the average particle size of the solid fragments should preferably be such that the particles are at least capable of passing through a mesh sieve or screen. In many instances, an average particle size such that the particles are capable of passing through a 200 mesh sieve or screen will be even more preferable.
- FIG. 6 Illustrative of one preferred form of use of a reinforcing fabric fabricated in accordance with the methods and procedures of this invention, there is perspectively depicted in FIG. 6 a fragmentary view of a plastered interior wall surface utilizing a prefabricated wallboard structure.
- the prefabricated wallboards 22 are assembled in edgewise abutting relationship and mounted on wall studs 23.
- a joint reinforcing tape 24 which has been fabricated as an open-mesh plastic coated glass fiber fabric in accordance with the methods and procedures of this invention.
- the reinforcing tape 24 being of an open-mesh structure, permits the plaster base coat 25 to be received into the mesh openings of the reinforcing tape 24 so that after solidification of the base coat the reinforcing tape is embedded in the hardened plaster.
- the reinforcing tape 24 effectually reinforces the plaster and restrains the wallboards 22 against separation which would produce cracking in the plaster.
- the interfused character of the warp yarns 28 and the fill yarns 29 together with the projecting surface fragments or barbs 30 preclude slippage of the fill yarns and/or warp yarns within the plaster matrix.
- the fabric by virtue of its extreme thinness and by virtue of the flexible nature of the plastic coating on the glass fibers, is capable of being easily shaped without damage to conform to the angle of confluence in the corners between adjacent room walls 33 and 34.
- the processing by the present invention produces a resultant reinforcing fabric or reinforcing tape which is extremely thin and flexible and is particularly well-suited for numerous structural reinforcement usages, including particularly such usages as reinforcement for thin layers of plaster, mortar, cement, or like structural materials.
- a woven or scrim open-mesh initially selected fabric also is productive of a reinforcing fabric, or reinforcing tape, having characteristics especially tailored for utilization as a plaster reinforcing tape in prefabricated wallboard joint constructions including those employing thin coat plaster applications or systems.
- plastic coated glass fiber mesh construction tape comprising an interspaced collateral array of plastic coated glass fiber warp yarns and an interspaced collateral array of plastic coated glass fiber fill yarns interfused in crosswise relationship to define an open-mesh construction
- the plastic coating on said fill yarns and said warp yarns is a fixeible thermoplastic material and wherein said warp yarns and said fill yarns individual ly define a substantially flat, rectangular cross-sectional configuration chaarcterized by a width to thickness ratio ranging from 6:1 to 18:1.
- a construction tape in accordance with claim 1 including a multiplicity of finely-divided rigid fragments of a solid material embedded in and projecting from said plastic coating on said Warp yarns and said fill yarns which form barbed surfaces on said construction tape.
- warp yarns and said fill yarns exclusive of of said rigid fragments of solid material, are composed of 30 to 85 percent by weight of glass fibers and wherein the balance of the composition of said warp yarns and said fill yarns is essentially a fused polyvinyl chloride thermoplast.
- a construction tape in accordance with claim 11, wherein said rigid fragments of solid material are selected from the group of solid materials consisting of flint, gypsum, talc and silica.
- a flexible open-mesh fabric comprising a collateral array of interspaced warp yarns disposed in cross-wise contacting relationship with a collateral array of interspaced fill yarns, said warp yarns and said fill yarns each having a glass fiber core enclosed within a flexible thermoplastic coating extending coextensively with said core, each of said warp yarns and said fill yarns being shaped to define a substantially flat, rectangular cross-sectional configuration in which the width to thickness ratio ranges from 6:1 to 18:1, said thermoplastic coating on each of said fill yarns and said warp yarns being integrally interfused at each location of crosswise contact of said warp yarns and said fill yarns through an interfused area essentially coextensive with the width of each of said warp yarns and fill yarns.
- a joint reinforcing tape spanning said peripheral joint and secured to opposite marginal edges of said adjacent panels, a layer of plastic adhered to said panels and said joint reinforcing tape across said peripheral joint
- said joint reinforcing tape comprises a plastic coated glass fiber mesh construction defined by an interspaced collateral array of flexible, thermoplastic coated glass fiber warp yarns and an interspaced collateral array of flexible, thermoplastic coated glass fiber fill yarns interfused in cross-wise relationship, said warp yarns and said fill yarns individually defining a substantially fiat, rectangular crosssectional configuration characterized by a width to thickness ratio ranging from 6:1 to 18:1, and said fill yarns and said warp yarns being embedded in said layer of plaster and having a multiplicity of finely-divided fragments of solid material embedded in the plastic coated portion thereof and projecting laterally outward into said layer
- said solid material is selected from the group of materials consisting of flint, gypsum, talc and silica.
- thermoplastic coating on said glass fiber warp yarns and fill yarns exclusive of said solid material constitutes 25 to percent by weight of said warp yarns and said fill yarns.
- thermoplastic material consists essentially of a fused polyvinyl chloride thermoplast.
Abstract
Description
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63906967A | 1967-05-17 | 1967-05-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3579409A true US3579409A (en) | 1971-05-18 |
Family
ID=24562602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US639069A Expired - Lifetime US3579409A (en) | 1967-05-17 | 1967-05-17 | High strength plastic coated fiber yarn fabric for structural reinforcement |
Country Status (1)
Country | Link |
---|---|
US (1) | US3579409A (en) |
Cited By (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3958066A (en) * | 1972-06-08 | 1976-05-18 | Asahi Kasei Kogyo Kabushiki Kaisha | Conductive synthetic fibers |
US4064306A (en) * | 1976-01-19 | 1977-12-20 | Bay Mills Limited | Substantially closed fabric made by compressive redistribution of the filaments of at least some yarns of an open mesh fabric |
US4187347A (en) * | 1975-03-12 | 1980-02-05 | Desoto, Inc. | Encapsulated impregnated rovings |
US4220686A (en) * | 1975-03-12 | 1980-09-02 | Desoto, Inc. | Encapsulated impregnated rovings |
US4242382A (en) * | 1973-03-12 | 1980-12-30 | Imperial Chemical Industries Limited | Production of modified conjugate fibre products |
WO1982004456A1 (en) * | 1981-06-12 | 1982-12-23 | Werner Vogel | Grid-shaped armature coated with thermoplastic material and device for the manufacturing thereof |
US4579772A (en) * | 1983-12-19 | 1986-04-01 | International Business Machines Corporation | Glass cloth for printed circuits and method of manufacture wherein yarns have a substantially elliptical cross-section |
EP0199348A2 (en) * | 1985-04-26 | 1986-10-29 | Societe Nationale De L'amiante | Structural rod for reinforcing concrete material |
US4879179A (en) * | 1986-08-27 | 1989-11-07 | Allied-Signal Inc. | Organic reinforcing fibers with bundle separation during fiber cutting |
US4981753A (en) * | 1985-04-23 | 1991-01-01 | Asahi Glass Company Ltd. | Fabric for printed circuit substrate and printed circuit substrate |
US5022212A (en) * | 1989-08-28 | 1991-06-11 | Thomas Lippolt | Molding structure |
US5540969A (en) * | 1992-12-28 | 1996-07-30 | Asea Brown Boveri Ltd. | Insulating tape and method of producing it |
US5552207A (en) * | 1990-07-05 | 1996-09-03 | Bay Mills Limited | Open grid fabric for reinforcing wall systems, wall segment product and methods of making same |
US5613332A (en) * | 1992-09-11 | 1997-03-25 | Saylor, Jr.; Edward T. | Slip resistant floor mat |
US5756206A (en) * | 1995-03-15 | 1998-05-26 | Custom Composite Materials, Inc. | Flexible low bulk pre-impregnated tow |
US5787655A (en) * | 1992-09-11 | 1998-08-04 | Saylor, Jr.; Edward T. | Slip-resistant cover system and method for making same |
US20050124239A1 (en) * | 2003-12-04 | 2005-06-09 | Griner Waymon B.Jr. | System and method for reinforcing wallboard |
ES2241474A1 (en) * | 2003-12-09 | 2005-10-16 | Beniplast-Benitex, S.A. | Mesh for protecting conservatories, has framework of longitudinal threads and cross-sectional threads, which are displayed in union knots, elliptical section flattened by outer face, and passage tube incorporated for heating of origin mesh |
US20050255775A1 (en) * | 2004-05-14 | 2005-11-17 | Chilewich L.L.C. | Fiberglass fabric flooring system |
DE102005029374A1 (en) * | 2005-06-24 | 2007-01-04 | Ludwig, Günter | Reinforcement band is for strengthening splits, cracks and other deformities in brickwork, plaster and stucco plates and comprises transparent textile strip |
US7250213B2 (en) | 2003-10-16 | 2007-07-31 | American Wire Tie Inc. | Textured wire tie and methods of making same |
US20070199271A1 (en) * | 2006-02-27 | 2007-08-30 | Little W Frank | Tape |
US20090064621A1 (en) * | 2000-08-31 | 2009-03-12 | Little Jr W Frank | Demountable paneling system |
WO2014005710A1 (en) * | 2012-07-06 | 2014-01-09 | Karlsruher Institut Für Technologie (Kit) | Fibre-reinforced mineral building material |
AU2015255233B2 (en) * | 2014-11-11 | 2019-05-16 | Csr Building Products Limited | Improved Jointing Compound |
-
1967
- 1967-05-17 US US639069A patent/US3579409A/en not_active Expired - Lifetime
Cited By (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3958066A (en) * | 1972-06-08 | 1976-05-18 | Asahi Kasei Kogyo Kabushiki Kaisha | Conductive synthetic fibers |
US4242382A (en) * | 1973-03-12 | 1980-12-30 | Imperial Chemical Industries Limited | Production of modified conjugate fibre products |
US4187347A (en) * | 1975-03-12 | 1980-02-05 | Desoto, Inc. | Encapsulated impregnated rovings |
US4220686A (en) * | 1975-03-12 | 1980-09-02 | Desoto, Inc. | Encapsulated impregnated rovings |
US4064306A (en) * | 1976-01-19 | 1977-12-20 | Bay Mills Limited | Substantially closed fabric made by compressive redistribution of the filaments of at least some yarns of an open mesh fabric |
WO1982004456A1 (en) * | 1981-06-12 | 1982-12-23 | Werner Vogel | Grid-shaped armature coated with thermoplastic material and device for the manufacturing thereof |
US4579772A (en) * | 1983-12-19 | 1986-04-01 | International Business Machines Corporation | Glass cloth for printed circuits and method of manufacture wherein yarns have a substantially elliptical cross-section |
US4981753A (en) * | 1985-04-23 | 1991-01-01 | Asahi Glass Company Ltd. | Fabric for printed circuit substrate and printed circuit substrate |
EP0199348A2 (en) * | 1985-04-26 | 1986-10-29 | Societe Nationale De L'amiante | Structural rod for reinforcing concrete material |
EP0199348A3 (en) * | 1985-04-26 | 1987-08-26 | Societe Nationale De L'amiante | Structural rod for reinforcing concrete material |
US4879179A (en) * | 1986-08-27 | 1989-11-07 | Allied-Signal Inc. | Organic reinforcing fibers with bundle separation during fiber cutting |
US5022212A (en) * | 1989-08-28 | 1991-06-11 | Thomas Lippolt | Molding structure |
US5763043A (en) * | 1990-07-05 | 1998-06-09 | Bay Mills Limited | Open grid fabric for reinforcing wall systems, wall segment product and methods of making same |
US5552207A (en) * | 1990-07-05 | 1996-09-03 | Bay Mills Limited | Open grid fabric for reinforcing wall systems, wall segment product and methods of making same |
US6103053A (en) * | 1992-09-11 | 2000-08-15 | Saylor, Jr.; Edward T. | Method for making a slip-resistant cover system |
US5613332A (en) * | 1992-09-11 | 1997-03-25 | Saylor, Jr.; Edward T. | Slip resistant floor mat |
US5787655A (en) * | 1992-09-11 | 1998-08-04 | Saylor, Jr.; Edward T. | Slip-resistant cover system and method for making same |
US5540969A (en) * | 1992-12-28 | 1996-07-30 | Asea Brown Boveri Ltd. | Insulating tape and method of producing it |
US5756206A (en) * | 1995-03-15 | 1998-05-26 | Custom Composite Materials, Inc. | Flexible low bulk pre-impregnated tow |
US8286401B2 (en) | 2000-08-31 | 2012-10-16 | Little Jr W Frank | Demountable paneling system |
US8191331B2 (en) | 2000-08-31 | 2012-06-05 | Little Jr W Frank | Demountable paneling system |
US20090084064A1 (en) * | 2000-08-31 | 2009-04-02 | Little Jr W Frank | Demountable paneling system |
US20090064621A1 (en) * | 2000-08-31 | 2009-03-12 | Little Jr W Frank | Demountable paneling system |
US7250213B2 (en) | 2003-10-16 | 2007-07-31 | American Wire Tie Inc. | Textured wire tie and methods of making same |
US20050124239A1 (en) * | 2003-12-04 | 2005-06-09 | Griner Waymon B.Jr. | System and method for reinforcing wallboard |
ES2241474A1 (en) * | 2003-12-09 | 2005-10-16 | Beniplast-Benitex, S.A. | Mesh for protecting conservatories, has framework of longitudinal threads and cross-sectional threads, which are displayed in union knots, elliptical section flattened by outer face, and passage tube incorporated for heating of origin mesh |
US7326661B2 (en) | 2004-05-14 | 2008-02-05 | Chilewich L.L.C. | Fiberglass fabric flooring system |
US20080006364A1 (en) * | 2004-05-14 | 2008-01-10 | Chilewich Llc | Fiberglass fabric flooring system |
US7850802B2 (en) | 2004-05-14 | 2010-12-14 | Chilewich L.L.C. | Fiberglass fabric flooring system |
US20050255775A1 (en) * | 2004-05-14 | 2005-11-17 | Chilewich L.L.C. | Fiberglass fabric flooring system |
DE102005029374A1 (en) * | 2005-06-24 | 2007-01-04 | Ludwig, Günter | Reinforcement band is for strengthening splits, cracks and other deformities in brickwork, plaster and stucco plates and comprises transparent textile strip |
EP2007950A2 (en) * | 2006-02-27 | 2008-12-31 | W. Frank Little Jr. | Tape |
WO2007101175A2 (en) | 2006-02-27 | 2007-09-07 | Little W Frank Jr | Tape |
US20070199271A1 (en) * | 2006-02-27 | 2007-08-30 | Little W Frank | Tape |
EP2007950A4 (en) * | 2006-02-27 | 2010-05-05 | W Frank Little Jr | Tape |
US20110033693A1 (en) * | 2006-02-27 | 2011-02-10 | Little Jr W Frank | Tape |
US10648153B2 (en) | 2006-02-27 | 2020-05-12 | W. Frank Little, Jr. | Tape |
WO2014005710A1 (en) * | 2012-07-06 | 2014-01-09 | Karlsruher Institut Für Technologie (Kit) | Fibre-reinforced mineral building material |
AU2015255233B2 (en) * | 2014-11-11 | 2019-05-16 | Csr Building Products Limited | Improved Jointing Compound |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3579409A (en) | High strength plastic coated fiber yarn fabric for structural reinforcement | |
US6391131B1 (en) | Method of making glass fiber facing sheet | |
CA2513508C (en) | Facing material with controlled porosity for construction boards | |
US3391037A (en) | Method of covering joints in interior wall construction | |
US7842629B2 (en) | Non-woven glass fiber mat faced gypsum board and process of manufacture | |
CA1056178A (en) | Reinforced panel structures and methods for producing them | |
US2692219A (en) | Structural panel | |
US4053677A (en) | Light concrete monolithic slab | |
US3044919A (en) | Method of applying facing material to a wall surface | |
US2694025A (en) | Structural panel | |
US4948647A (en) | Gypsum backer board | |
US20140242862A1 (en) | Methods of making smooth reinforced cementitious boards | |
US2313990A (en) | Wallboard joint system | |
US3474584A (en) | Structural panel and process of making same | |
DE3907298A1 (en) | BITUMINOES ADAPTER FOR TILING OR APPLYING PLASTER | |
US5224316A (en) | Textured insulated building panel | |
US2205423A (en) | Covering or finish | |
US8287671B2 (en) | Vandalism-resistant insulating panels for building exteriors and building having vandalism-resistant thermally insulative walls | |
US1703667A (en) | Wall-board-joint system | |
GB2048971A (en) | Plastic Reinforced Mesh | |
US2261480A (en) | Building structure | |
CA1046361A (en) | Cement in a roll for application to the surface of a building | |
US2003618A (en) | Method of and means for waterproofing buildings | |
JP7295113B2 (en) | Reinforcement layer, cementitious board, and method of forming cementitious board | |
EP0962605B1 (en) | Glass fiber facing sheet |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: WADE, WILLIAM, J., DELAWARE Free format text: SECURITY INTEREST;ASSIGNOR:OWENS-CORNING FIBERGLAS CORPORATION;REEL/FRAME:004652/0351 Effective date: 19861103 Owner name: WILMINGTON TRUST COMPANY, DELAWARE Free format text: SECURITY INTEREST;ASSIGNOR:OWENS-CORNING FIBERGLAS CORPORATION;REEL/FRAME:004652/0351 Effective date: 19861103 Owner name: WADE, WILLIAM, J., ONE RODNEY SQUARE NORTH, WILMIN Free format text: SECURITY INTEREST;ASSIGNOR:OWENS-CORNING FIBERGLAS CORPORATION;REEL/FRAME:004652/0351 Effective date: 19861103 Owner name: WILMINGTON TRUST COMPANY, ONE RODNEY SQUARE NORTH, Free format text: SECURITY INTEREST;ASSIGNOR:OWENS-CORNING FIBERGLAS CORPORATION;REEL/FRAME:004652/0351 Effective date: 19861103 |
|
AS | Assignment |
Owner name: OWENS-CORNING FIBERGLAS CORPORATION, A CORP. OF DE Free format text: TERMINATION OF SECURITY AGREEMENT RECORDED NOV. 13, 1986. REEL 4652 FRAMES 351-420;ASSIGNORS:WILMINGTON TRUST COMPANY, A DE. BANKING CORPORATION;WADE, WILLIAM J. (TRUSTEES);REEL/FRAME:004903/0501 Effective date: 19870730 Owner name: OWENS-CORNING FIBERGLAS CORPORATION, FIBERGLAS TOW Free format text: TERMINATION OF SECURITY AGREEMENT RECORDED NOV. 13, 1986. REEL 4652 FRAMES 351-420;ASSIGNORS:WILMINGTON TRUST COMPANY, A DE. BANKING CORPORATION;WADE, WILLIAM J. (TRUSTEES);REEL/FRAME:004903/0501 Effective date: 19870730 |