US3766003A - Process for manufacturing endless fiber webs from inorganic fiber suspensions - Google Patents

Process for manufacturing endless fiber webs from inorganic fiber suspensions Download PDF

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Publication number
US3766003A
US3766003A US00231341A US3766003DA US3766003A US 3766003 A US3766003 A US 3766003A US 00231341 A US00231341 A US 00231341A US 3766003D A US3766003D A US 3766003DA US 3766003 A US3766003 A US 3766003A
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Prior art keywords
fibers
fiber
suspension
glass
rotating drum
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US00231341A
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English (en)
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W Schuller
H Hohlfeld
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HUGO W DT
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
    • D21B1/061—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods using cutting devices
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/36—Inorganic fibres or flakes
    • D21H13/38—Inorganic fibres or flakes siliceous
    • D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres

Definitions

  • ABSTRACT In the process of manufacturing flat fibrous structures from suspensions of fibers by depositing a suspension of such fibers onto a moving permeable surface such as an endless sieve or belt wherein the fibrous suspension has been prepared from fibrous structures formed of a plurality of fibers which have been obtained by drawing a flowing glass melt, followed by chopping of the drawn fibers to form the fiber structures of predetermined length, the improvement in accordance with the invention of preparing the fiber suspension from fiber structures obtained by directing jets of liquid onto the glass fibers drawn from the glass melt and which are being wound onto the periphery of a rotating drum in a parallel arrangement and which after a certain layer thickness thereof has been obtained are cut to a predetermined length with the fibers still being in the moistened state.
  • This invention relates to a process for preparing endless fibrous webs from suspensions of inorganic fibers and more particularly relates to an improved process of preparing fibrous suspensions for use in the making of endless fibrous webs.
  • flat fibrous structures can be manufactured by the procedures utilized in the manufacture of paper and in particular by the so called wet process.
  • the fibers are for this purpose possibly in admixture with a binding agent, suspended in water to form the fiber suspension.
  • the fiber suspension is required to be entirely uniform in nature as the quality of the resultant fibrous structure or web is directly determined by the degree of uniformity, i.e., homogeneity of the suspension. It is accordingly necessary that the starting fiber material be dispersed in the water so that there is obtained a suspension of the individual single fibers.
  • the resultant fiber suspension is then delivered onto a moving perforated belt on which it is deposited out in a uniform form.
  • the thusly obtained layer of fibers is then withdrawn while still moist and further worked up to form a coherent felted fiber web.
  • the binding agent be reduced in amount to a minimum, i.e., that in order to improve the decomposition of the bundle of fibers forming the staple into the single and individual fibers in the suspension medium, such as water, the binding agent has been considerably reduced in amount.
  • the result has been that in the chopping process considerable and unsatisfactory dust is evolved and more important a preliminary splitting up of the bundle into the individual fibers takes place which in no way enhances the distribution of the fibres in the suspending medium but which rather only results in that the fibers before their introduction into the suspending medium becomes entangled and are thereafter disentangled only with great difficulty, if at all.
  • the poor decomposition of the fiber bundles into the single fibers has the disadvantageous effect that it results in the formation of specks or spots.
  • This speck formation and spotting not only gives rise to a nonuniform fiber suspension but also produces an impaired final product.
  • precautionary measures include regulating the length of the staple so as to be as low as possible, for example, a maximum length of 6 mm has been proposed and in addition to employ in the fiber suspension an additional agent serving to segregate the speck or spot forming material.
  • additives such as for example, wetting agents.
  • the disadvantage of such additives includes not only the increased costs for the additives but for the increased working time and equipment required in order to achieve the same operating capacity as when no additives are present.
  • the use of additives such as the wetting agent has the disadvantage that the same brings about a formation of foam which result in the production of finished webs chracterized as defective by virtue of included flaws and by a cloudy or hazy appearance.
  • the quality of the finished web is particularly so adversely affected, when the webs are very thin in nature, i.e., have a surface weight of about 45-55 g/m.
  • the 'webs prepared on the basis of short length staples i.e., about 6 mm are characterized as noted above by their lack of uniformity, impaired strength resistance and also by optically negative effects.
  • glass fiber webs having a non-uniform fiber distribution are used, for example, as surfacing felts in the synthetics industry, for example as insulating and decorating plates or as so-called painting felts, there results that in the non-uniform areas of the web there is an uneven porosity resulting in an unequal uptake of the dye, paint or other coating material applied thereon, so that the final finished product presents an uneven appearance characterized by so-called disturbing spots. 7
  • Still another object of the invention is to provide a process for producing uniform and homogeneous suspensions of glass fibers making possible endless fibrous webs and felts characterized by the uniformity of the fiber distribution therein.
  • the choice of the agent serving for moistening the drawn glass fibers is from amoung the materials known to the art in connection with the manufacture of fiber cords and ropes and includes those liquids used for instance as finishes or lubricants.
  • the particular material selected depends on the choice of the material employed as suspension medium. If the latter is water, then for the moistening, water or a liquid soluble in water can be used.
  • the fiber suspension is obtained by introducing unitary fiber structures each composed of a plurality of parallelly arranged fine glass fibers prepared by drawing a glass melt and while winding such fibers in a parallel arrangement onto the periphery of a known type of rotating drum, spraying the same with jets of a liquid material, the winding being continued util a certain layer thickness has been reached. Thereafter the movement of the drum is interrupted and the layers are cut through while still in the moistened state to form the units composed of the adhering parallelly arranged fibers all having substantially the same predetermined length.
  • the distribution of the fibers in the suspension medium can be even further improved upon if there is added to the fiber suspension any of the known wetting agents.
  • the wetting agent can be incorporated into the liquid, for instance water used for spraying the fibers as they are being wound onto the drum. This has the advantage that the wetting agent is incorporated directly as a part of process of producing the fibers. Under the conditions of the just-mentioned embodiment, the decomposition of the fiber bundles into their component single fibers is considerably enhanced, this being the case even where the fibers have undergone a considerable drying out of the moisture on the surfaces thereof.
  • FIG. 1 the molten glass is drawn in the form of strands onto a rotating drum while a stream of liquid is applied to the drum.
  • FIG. 2 the plurality of successive drawn and spooled layers of parallel glass strands are cut into units and peeled from the rotating drum.
  • the flattened unit is chopped into smaller units composed of strands of shorter lengths, which are then placed into a liquid where the unit is broken up into individual short strands and are then passed along in the form of a suspension in a liquid through various conduits and vessels to a webforming machine.
  • the process is carried out by forming in the conventional manner a plurality of single fibers by extrusion of a flowing glass melt using therefor a plate provided with a plurality of nozzles.
  • the glass is delivered from a tank or source 2 containing the molten glass and the fibers thus formed applied onto a rapidly rotating drum 3 so that they are wound in a parallel arrangement onto the periphery of the drum.
  • An intensive and thorough moistening of all of the individual fibers is carried out in accordance with the invention by spraying over the entire drum surface a liquid stream, for example water, using therefor a fan-shaped spray device 4. There is thusly simultaneously obtained a good adhesion of the first fiber layer on the drum surface and moistening of all of the applied fibers.
  • the intense moistening of the individual fibers acts also to further ensure the cohesion of the fibers to each other under maintenance of the parallel arrangement.
  • the movement of the drum is halted and the layers of fiber cut through along the longitudinal direction 5 of the drum.
  • the cut layers of fibers are then separated off from the drum surface.
  • the layers can also be cut in-the direction 6 of the drum circumference. This latter cutting serves to form smaller packets or bundles 7 of the moist fibers.
  • a too marked decrease in the moisture content can be avoided by taking appropriate measures self evident to the artisan.
  • the still moist parallel fiber structures 9 are then continuously conveyed for instance by means of a conveying belt 10 the movement of which is preferably controlled by an intermediately arranged apportioning apparatus provided for feeding the fiber structures at regularly spaced distances, into a mixing tank 11 and therein admixed with the suspension medium which preferably is water.
  • the condition of the fibers in the packet that is, the existing cohesion of the fibers in the structure by virtue of the moistening agent particularly in the case where the same agent also serves as the suspension medium and also where the moistening agent is soluble in such suspension medium results in that there is quickly and completely brought about a destruction of the cohesive bonds between the fibers and the same are separated one from the other.
  • the separation is a very extensive one resulting in a uniform distribution of fibers in the suspension medium.
  • the mixture of fibers and suspension medium is then fed from the mixing tank 11 by means of a pump 15 into the working tank 16 and from there by means of a pump 17, possibly via an intermediately installed beater 14 of the known construction, discharged into the conduit 22 of the circulating suspension medium and while still in this highly dilute form introduced into the material take-off tank 1%.
  • the suspension medium is delivered over a conduit 211 after passing through a conventional filter apparatus into a storage container 211.
  • the circulating suspension medium is thereafter recycled via conduit 24 into the mixing tank 11 where it is reused for suspending additional fibrous material.
  • the suspension of fibers still present in the take-off tank 18 is then applied onto the moving perforated belt for forming the web.
  • a process of producing a continuous web of individual short glass strands which comprises drawing onto the outer surface of a rotating drum a single layer consisting of a plurality of parallel strands of molten glass from a feeder provided with a plurality of orifices, spooling the said drawn glass strands in successive layers upon the said rotating drum while continuously applying a liquid to the said outer surface of the said drum and to the layers of parallel glass strands as they are being spooled upon the said rotating drum and, after a preselected number of layers of parallel wet glass strands have been spooled upon the said rotating drum, cutting through the said plurality of layers along a line transverse to the parallel strands and peeling the said plurality oflayers as a unit of cohering wet glass strands from the said rotating drum, subsequently chopping the said unit of wet coherent parallel glass strands into units of shorter strands having a preselected length along lines transverse to the parallel strands, distributing the thus-chopped units of we
  • a process as defined in claim 1 in which the unit consisting of successive layers of parallel glass strands that was peeled from the rotating drum is chopped at such intervals as to produce a unit consisting of successive layers of shorter strands having a length between 10 and 30 millimeters.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Nonwoven Fabrics (AREA)
  • Paper (AREA)
US00231341A 1971-03-05 1972-03-02 Process for manufacturing endless fiber webs from inorganic fiber suspensions Expired - Lifetime US3766003A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2110599A DE2110599B2 (de) 1971-03-05 1971-03-05 Verfahren zur Herstellung eines Glasfaservlieses nach dem Naßvliesverfahren

Publications (1)

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US3766003A true US3766003A (en) 1973-10-16

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US (1) US3766003A (nl)
JP (1) JPS5431526B1 (nl)
BE (1) BE780035A (nl)
DD (1) DD97237A5 (nl)
DE (1) DE2110599B2 (nl)
FR (1) FR2128580B3 (nl)
GB (1) GB1376676A (nl)
IT (1) IT949850B (nl)
NL (1) NL166294C (nl)
RO (1) RO63757A (nl)
SU (1) SU712034A3 (nl)

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118272A (en) * 1977-03-03 1978-10-03 Gaf Corporation Continuous wet-laid process for making high-strength glass fiber mats
US4178206A (en) * 1978-02-10 1979-12-11 Gaf Corporation Method of forming glass fiber dispersions with cationic quaternary ammonium surfactants having at least two long chain groups
US4178203A (en) * 1978-01-24 1979-12-11 Gaf Corporation Method of increasing the strength of wet glass fiber mats made by the wet-laid process
US4179331A (en) * 1977-11-15 1979-12-18 Gaf Corporation Glass fiber dispersions for making uniform glass fiber mats by the wet-laid process
US4200487A (en) * 1979-05-16 1980-04-29 Gaf Corporation Economical method of making high-strength glass fiber mats particularly useful for roofing products
US4245689A (en) * 1978-05-02 1981-01-20 Georgia Bonded Fibers, Inc. Dimensionally stable cellulosic backing web
US4252550A (en) * 1979-05-01 1981-02-24 Glaswerk Schuller Gmbh Method and apparatus for the integration of newly formed filaments into a continuous strand
US4265704A (en) * 1979-03-30 1981-05-05 Gaf Corporation Method of dispersing bundles of glass fibers for making glass fiber mats by the wet-laid process
US4750964A (en) * 1985-07-30 1988-06-14 Ashland Oil, Inc. Rotating drum accumulator for semi-aligned carbon fibers and process of manufacturing same
DK156228B (da) * 1977-01-26 1989-07-10 Dexter Corp Fremgangsmaade til kontinuerlig fremstilling af et let af uorganiske fibre bestaaende baneformet materiale
US5407536A (en) * 1994-02-10 1995-04-18 Rhone-Poulenc Inc. Amphoteric surfactants as glass fiber dispersants for the manufacture of uniform glass fiber mats
US5409574A (en) * 1994-02-10 1995-04-25 Rhone-Poulenc Inc. Propoxylated fatty amine ethoxylate surfactants as glass fiber dispersants for the manufacture of uniform glass fiber mats
US5518586A (en) * 1993-09-20 1996-05-21 Georgia-Pacific Resins, Inc. Method of making a high tear strength glass mat
US5914365A (en) * 1997-02-06 1999-06-22 Georgia-Pacific Resins, Inc. Modified urea-formaldehyde binder for making fiber mats
US6301935B1 (en) * 1992-03-31 2001-10-16 Bayer Aktiengesellschaft Process for the manufacture of milled glass fibers
US20050070186A1 (en) * 2003-09-29 2005-03-31 Georgia-Pacific Resins, Inc. Urea-formaldehyde binder composition and process
WO2005040475A1 (en) 2003-10-17 2005-05-06 G-P Gypsum Corporation Interior wallboard and method of making same
US20050181693A1 (en) * 2004-02-17 2005-08-18 Kajander Richard E. Coated mat products, laminates and method
US20050202742A1 (en) * 2004-03-12 2005-09-15 Russell Smith Use of pre-coated mat for preparing gypsum board
US7028436B2 (en) 2002-11-05 2006-04-18 Certainteed Corporation Cementitious exterior sheathing product with rigid support member
US7049251B2 (en) 2003-01-21 2006-05-23 Saint-Gobain Technical Fabrics Canada Ltd Facing material with controlled porosity for construction boards
US20060240236A1 (en) * 2005-04-25 2006-10-26 G-P Gypsum Corp. Interior wallboard and method of making same
US7155866B2 (en) 2002-11-05 2007-01-02 Certainteed Corporation Cementitious exterior sheathing product having improved interlaminar bond strength
US20070093159A1 (en) * 2005-10-20 2007-04-26 Kajander Richard E Treated fibrous mat, laminate and method
US20070122603A1 (en) * 2005-11-29 2007-05-31 Kajander Richard E Nonwoven fibrous mats and methods
US20070141304A1 (en) * 2005-12-21 2007-06-21 Gaurav Agrawal Perforated board formed from cementitious material and process and system for producing same
US20070149083A1 (en) * 2005-12-22 2007-06-28 Gaurav Agrawal Board formed from a cementitious material and a facer containing a laminate
US20070148430A1 (en) * 2005-12-22 2007-06-28 Gaurav Agrawal Perforated, coated nonwoven mat
US20080083522A1 (en) * 2006-10-05 2008-04-10 Georgia-Pacific Chemicals Llc Urea-formaldehyde resin composition and process for making fiber mats
US20080207833A1 (en) * 2007-02-26 2008-08-28 Jeremiah Bear Resin-polyester blend binder compositions, method of making same and articles made therefrom
EP1995379A1 (en) 2007-05-23 2008-11-26 Johns Manville Method of drying mat products
US20090124151A1 (en) * 2007-05-30 2009-05-14 Georgia-Pacific Chemicals Llc Binder compositions for fiber mats, and fiber mats and articles comprising them
US20090208714A1 (en) * 2008-02-18 2009-08-20 Georgia-Pacific Gypsum Llc Pre-coated non-woven mat-faced gypsum panel
US7712276B2 (en) 2004-09-30 2010-05-11 Certainteed Corporation Moisture diverting insulated siding panel
US7846278B2 (en) 2000-01-05 2010-12-07 Saint-Gobain Technical Fabrics America, Inc. Methods of making smooth reinforced cementitious boards
US8568563B1 (en) * 2013-01-14 2013-10-29 Jonhs Manville Methods of making a non-woven fire barrier mat

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE401918B (sv) * 1976-01-19 1978-06-05 Rockwool Ab Sett att framstella en mineralfiberprodukt
FR2571388B1 (fr) * 1984-10-05 1987-01-16 Dalle & Lecomte Papeteries Produit non tisse en feuille a fibres longues et son procede de realisation par voie papetiere
FR2591621B1 (fr) * 1985-12-17 1988-02-19 Saint Gobain Isover Formation de flocons fibreux mineraux et reconstitution de matelas isolants avec ces flocons
CH681092A5 (nl) * 1989-04-18 1993-01-15 Peyer Ag Siegfried
FI125948B (fi) * 2009-06-18 2016-04-29 Stora Enso Oyj Paperin valmistusmenetelmä
RU2536219C1 (ru) * 2013-12-18 2014-12-20 Олег Савельевич Кочетов Способ переработки бумаги
CN110612939B (zh) * 2019-10-11 2021-10-26 丹阳市佳吉渔业专业合作社 一种鱼类圈养装置

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CA471000A (en) * 1951-01-23 Canadian General Electric Company Glass fiber sheet material
CA568425A (en) * 1959-01-06 L.O.F. Glass Fibers Company Glass paper
US3051602A (en) * 1959-01-12 1962-08-28 United States Gypsum Co Multi-speed furnace traverse
US3498770A (en) * 1965-10-06 1970-03-03 Owens Corning Fiberglass Corp Method for treating and processing nonsized roving of mineral filaments

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA471000A (en) * 1951-01-23 Canadian General Electric Company Glass fiber sheet material
CA568425A (en) * 1959-01-06 L.O.F. Glass Fibers Company Glass paper
US3051602A (en) * 1959-01-12 1962-08-28 United States Gypsum Co Multi-speed furnace traverse
US3498770A (en) * 1965-10-06 1970-03-03 Owens Corning Fiberglass Corp Method for treating and processing nonsized roving of mineral filaments

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Paper Trade Journal The Most Useful Paper Oct. 1, 1956 pp. 26, 27. *

Cited By (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK156228B (da) * 1977-01-26 1989-07-10 Dexter Corp Fremgangsmaade til kontinuerlig fremstilling af et let af uorganiske fibre bestaaende baneformet materiale
US4118272A (en) * 1977-03-03 1978-10-03 Gaf Corporation Continuous wet-laid process for making high-strength glass fiber mats
US4179331A (en) * 1977-11-15 1979-12-18 Gaf Corporation Glass fiber dispersions for making uniform glass fiber mats by the wet-laid process
US4178203A (en) * 1978-01-24 1979-12-11 Gaf Corporation Method of increasing the strength of wet glass fiber mats made by the wet-laid process
US4178206A (en) * 1978-02-10 1979-12-11 Gaf Corporation Method of forming glass fiber dispersions with cationic quaternary ammonium surfactants having at least two long chain groups
US4245689A (en) * 1978-05-02 1981-01-20 Georgia Bonded Fibers, Inc. Dimensionally stable cellulosic backing web
US4265704A (en) * 1979-03-30 1981-05-05 Gaf Corporation Method of dispersing bundles of glass fibers for making glass fiber mats by the wet-laid process
US4252550A (en) * 1979-05-01 1981-02-24 Glaswerk Schuller Gmbh Method and apparatus for the integration of newly formed filaments into a continuous strand
US4200487A (en) * 1979-05-16 1980-04-29 Gaf Corporation Economical method of making high-strength glass fiber mats particularly useful for roofing products
US4750964A (en) * 1985-07-30 1988-06-14 Ashland Oil, Inc. Rotating drum accumulator for semi-aligned carbon fibers and process of manufacturing same
US6301935B1 (en) * 1992-03-31 2001-10-16 Bayer Aktiengesellschaft Process for the manufacture of milled glass fibers
US5518586A (en) * 1993-09-20 1996-05-21 Georgia-Pacific Resins, Inc. Method of making a high tear strength glass mat
US5656366A (en) * 1993-09-20 1997-08-12 Georgia-Pacific Resins, Inc. Urea-formaldehyde binder for high tear strength glass mat
US5409574A (en) * 1994-02-10 1995-04-25 Rhone-Poulenc Inc. Propoxylated fatty amine ethoxylate surfactants as glass fiber dispersants for the manufacture of uniform glass fiber mats
US5407536A (en) * 1994-02-10 1995-04-18 Rhone-Poulenc Inc. Amphoteric surfactants as glass fiber dispersants for the manufacture of uniform glass fiber mats
US5914365A (en) * 1997-02-06 1999-06-22 Georgia-Pacific Resins, Inc. Modified urea-formaldehyde binder for making fiber mats
US6084021A (en) * 1997-02-06 2000-07-04 Georgia-Pacific Resins, Inc. Modified urea-formaldehyde binder for making fiber mats
US7846278B2 (en) 2000-01-05 2010-12-07 Saint-Gobain Technical Fabrics America, Inc. Methods of making smooth reinforced cementitious boards
US9017495B2 (en) 2000-01-05 2015-04-28 Saint-Gobain Adfors Canada, Ltd. Methods of making smooth reinforced cementitious boards
US7155866B2 (en) 2002-11-05 2007-01-02 Certainteed Corporation Cementitious exterior sheathing product having improved interlaminar bond strength
US7861476B2 (en) 2002-11-05 2011-01-04 Certainteed Corporation Cementitious exterior sheathing product with rigid support member
US8192658B2 (en) 2002-11-05 2012-06-05 Certainteed Corporation Cementitious exterior sheathing product having improved interlaminar bond strength
US7028436B2 (en) 2002-11-05 2006-04-18 Certainteed Corporation Cementitious exterior sheathing product with rigid support member
US9435124B2 (en) 2002-11-05 2016-09-06 Plycem Usa, Inc. Cementitious exterior sheathing product having improved interlaminar bond strength
US7049251B2 (en) 2003-01-21 2006-05-23 Saint-Gobain Technical Fabrics Canada Ltd Facing material with controlled porosity for construction boards
US7300892B2 (en) 2003-01-21 2007-11-27 Saint-Gobain Technical Fabrics Canada, Ltd. Facing material with controlled porosity for construction boards
US7300515B2 (en) 2003-01-21 2007-11-27 Saint-Gobain Technical Fabrics Canada, Ltd Facing material with controlled porosity for construction boards
US20050070186A1 (en) * 2003-09-29 2005-03-31 Georgia-Pacific Resins, Inc. Urea-formaldehyde binder composition and process
US7989370B2 (en) 2003-10-17 2011-08-02 Georgia-Pacific Gypsum Llc Interior wallboard and method of making same
WO2005040475A1 (en) 2003-10-17 2005-05-06 G-P Gypsum Corporation Interior wallboard and method of making same
US20050181693A1 (en) * 2004-02-17 2005-08-18 Kajander Richard E. Coated mat products, laminates and method
US7932193B2 (en) 2004-02-17 2011-04-26 Johns Manville Coated mat products, laminates and method
US20110206918A1 (en) * 2004-03-12 2011-08-25 Georgia-Pacific Gypsum Llc Use of pre-coated mat for preparing gypsum board
US7932195B2 (en) 2004-03-12 2011-04-26 Georgia-Pacific Gypsum Llc Use of pre-coated mat for preparing gypsum board
US20050202742A1 (en) * 2004-03-12 2005-09-15 Russell Smith Use of pre-coated mat for preparing gypsum board
US8461067B2 (en) 2004-03-12 2013-06-11 Georgia-Pacific Gypsum Llc Use of pre-coated mat for preparing gypsum board
US20090084514A1 (en) * 2004-03-12 2009-04-02 Russell Smith Use of pre-coated mat for preparing gypsum board
US7749928B2 (en) 2004-03-12 2010-07-06 Georgia-Pacific Gypsum Llc Use of pre-coated mat for preparing gypsum board
US20100227137A1 (en) * 2004-03-12 2010-09-09 Georgia-Pacific Gypsum Llc Use of Pre-Coated Mat for Preparing Gypsum Board
US20100221524A1 (en) * 2004-03-12 2010-09-02 Georgia-Pacific Gypsum Llc Use of pre-coated mat for preparing gypsum board
US7745357B2 (en) 2004-03-12 2010-06-29 Georgia-Pacific Gypsum Llc Use of pre-coated mat for preparing gypsum board
US9434131B2 (en) 2004-09-30 2016-09-06 Plycem Usa, Inc. Building panel having a foam backed fiber cement substrate
US20100175341A1 (en) * 2004-09-30 2010-07-15 Certainteed Corporation Moisture diverting insulated siding panel
US7712276B2 (en) 2004-09-30 2010-05-11 Certainteed Corporation Moisture diverting insulated siding panel
US7807592B2 (en) 2005-04-25 2010-10-05 Georgia-Pacific Gypsum Llc Interior wallboard and method of making same
US20100048080A1 (en) * 2005-04-25 2010-02-25 Georgia-Pacific Gypsum Llc Interior Wallboard and Method of Making Same
US7635657B2 (en) 2005-04-25 2009-12-22 Georgia-Pacific Gypsum Llc Interior wallboard and method of making same
US20060240236A1 (en) * 2005-04-25 2006-10-26 G-P Gypsum Corp. Interior wallboard and method of making same
US20070093159A1 (en) * 2005-10-20 2007-04-26 Kajander Richard E Treated fibrous mat, laminate and method
US7473440B2 (en) 2005-10-20 2009-01-06 Johns Manville Method of treating a coated fibrous mat
US20070122603A1 (en) * 2005-11-29 2007-05-31 Kajander Richard E Nonwoven fibrous mats and methods
US20070141304A1 (en) * 2005-12-21 2007-06-21 Gaurav Agrawal Perforated board formed from cementitious material and process and system for producing same
US20070148430A1 (en) * 2005-12-22 2007-06-28 Gaurav Agrawal Perforated, coated nonwoven mat
US20070149083A1 (en) * 2005-12-22 2007-06-28 Gaurav Agrawal Board formed from a cementitious material and a facer containing a laminate
US20080083522A1 (en) * 2006-10-05 2008-04-10 Georgia-Pacific Chemicals Llc Urea-formaldehyde resin composition and process for making fiber mats
US8257554B2 (en) 2006-10-05 2012-09-04 Georgia-Pacific Chemicals Llc Urea-formaldehyde resin composition and process for making fiber mats
US9062202B2 (en) 2007-02-26 2015-06-23 Hexion Inc. Resin-polyester blend binder compositions, method of making same and articles made therefrom
WO2008106124A1 (en) 2007-02-26 2008-09-04 Hexion Specialty Chemicals, Inc. Resin-polyester blend binder compositions, method of making same and articles made therefrom
US9708503B2 (en) 2007-02-26 2017-07-18 Hexion Inc. Resin-polyester blend binder compositions, method of making same and articles made therefrom
US20080207833A1 (en) * 2007-02-26 2008-08-28 Jeremiah Bear Resin-polyester blend binder compositions, method of making same and articles made therefrom
EP1995379A1 (en) 2007-05-23 2008-11-26 Johns Manville Method of drying mat products
US7803248B2 (en) 2007-05-23 2010-09-28 Johns Manville Method of drying mat products
US20090124151A1 (en) * 2007-05-30 2009-05-14 Georgia-Pacific Chemicals Llc Binder compositions for fiber mats, and fiber mats and articles comprising them
US8053528B2 (en) 2007-05-30 2011-11-08 Georgia-Pacific Chemicals Llc Binder compositions for fiber mats, and fiber mats and articles comprising them
US20090208714A1 (en) * 2008-02-18 2009-08-20 Georgia-Pacific Gypsum Llc Pre-coated non-woven mat-faced gypsum panel
US8568563B1 (en) * 2013-01-14 2013-10-29 Jonhs Manville Methods of making a non-woven fire barrier mat

Also Published As

Publication number Publication date
SU712034A3 (ru) 1980-01-25
BE780035A (fr) 1972-06-16
DE2110599B2 (de) 1978-04-27
FR2128580A3 (nl) 1972-10-20
NL7202954A (nl) 1972-09-07
RO63757A (fr) 1978-11-15
IT949850B (it) 1973-06-11
NL166294B (nl) 1981-02-16
DD97237A5 (nl) 1973-04-20
FR2128580B3 (nl) 1975-03-07
DE2110599A1 (de) 1972-10-05
JPS5431526B1 (nl) 1979-10-08
NL166294C (nl) 1981-07-15
GB1376676A (en) 1974-12-11

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