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| Number | Title | Issue Date |
| 4631178 | Method of removing boric oxide from flue gases A method of removing boron from gases which comprises passing the gas stream in contact with solid sodium bicarbonate.... | 12/23/1986 |
| 4541098 | Refractory electrode blocks with improved retaining means An assemblage of electrode blocks peripherally supported on the bottom wall of an electric glass-melting furnace, having apertures for positioning electrodes therethrough and having horizontal grooves cut between adjacent vertical sides with a key positio... | 09/10/1985 |
| 4515613 | Method and apparatus for producing a continuous glass filament mat A method and apparatus for producing a mat of continuous glass filaments at increased throughput while maintaining desirable tensile strength characteristics by means of an oscillatable, fluidic distribution system.... | 05/07/1985 |
| 4512530 | Apparatus for handling split-batt rolls The apparatus includes a plurality of small rollers disposed in an arcuate, upwardly concave arrangement for rotatably supporting a composite two-batt roll, a large rotating roller for winding up one of the batts while the other is pulled intermittently f... | 04/23/1985 |
| 4510049 | Process for recovery of colemanite and probertite from mixed low grade ore A method of producing concentrates of colemanite and probertite from mixed low grade ore which involves desliming at different particle sizes for colemanite and probertite recovery.... | 04/09/1985 |
| 4510048 | Process for improving probertite concentration in probertite containing ore A process for recovering a probertite concentrate from ore in which the major borate mineral is probertite which comprises crushing the ore, desliming at 14 to 20 microns and floating the deslimed ore to recover the concentrate.... | 04/09/1985 |
| 4504619 | Irimellitic anhydride-containing unsaturated polyesters A glass size composition comprising a trimellitic anhydride anhydride-containing unsaturated polyester imparts to glass fibers superior reinforcing characteristics when used to reinforce sheet molding compounds.... | 03/12/1985 |
| 4498221 | Apparatus for stripping packaged linear material from a forming tube The disclosure embraces a method of and apparatus for mechanically stripping linear material such as strands or groups of glass filaments or fibers from plastic forming tubes wherein the packages are defective, incomplete, or "break-out" packages. A defec... | 02/12/1985 |
| 4497644 | Blower for the attenuation of fibers An annular blower for attenuating fibers comprises an annular manifold and a plurality of slots positioned circumferentially around the blower for the discharge of attenuating gas from the manifold, where the slots have an aspect ratio within the range of... | 02/05/1985 |
| 4496385 | Apparatus for producing a continuous glass filament mat A method and apparatus for producing a mat of continuous glass filaments at increased throughput while maintaining desirable tensile strength characteristics by means of an oscillatable, fluidic distribution system.... | 01/29/1985 |
| 4496384 | Method and apparatus for producing a continuous glass filament mat A method and apparatus for producing a mat of continuous glass filaments at increased throughput while maintaining desirable tensile strength characteristics by means of a fluidic distribution system employing diagonally opposed Coanda effect surfaces.... | 01/29/1985 |
| 4493464 | Packaged strand A method of facilitating the unwinding of a wound body of strand includes encompassing the body in a heat-shrinkable stretch membrane and heating the resulting composite to a temperature greater than the temperature at which the strand is to be wound.... | 01/15/1985 |
| 4493367 | Repair of double shell heat exchangers A method and apparatus for sealing a hole in the inner wall of a double wall heat exchanger in which cover means is positioned in biased relationship to the hole and a frame positioned in the opening through which the cover means is inserted against the h... | 01/15/1985 |
| 4492722 | Preparation of glass-ceramic fibers A method of depositing a coating consisting essentially of titanium dioxide from an organic solution onto glass in an effort to improve the modulus and temperature resistance of the glass.... | 01/08/1985 |
| 4490927 | Apparatus for curing fibrous mineral insulation material Apparatus for curing fibrous mineral insulation material comprises an oven, upper and lower conveyor belts for carrying the insulation through the oven, support means for supporting the belts, a supply plenum for directing curing gases through the belts a... | 01/01/1985 |
| 4489131 | Size for glass fibers A size for glass fibers is disclosed, the size comprising an oxidized polyolefin, a polymeric film former and an organic acid, preferably terephthalic acid or isophthalic acid.... | 12/18/1984 |
| 4482370 | Method and apparatus for forming glass fibers A glass fiber-forming feeder having a bottom wall having a network of internal passageways interconnecting the field of orifices extending therethrough, and a method for producing such bottom walls is disclosed.... | 11/13/1984 |
| 4478869 | Applying granules to strip asphaltic material A method and apparatus for applying granules to continuously moving strip asphaltic material comprises discharging granules onto tacky strip asphaltic material, continuously removing the non-adhered portion of the granules, sensing the amount of removed g... | 10/23/1984 |
| 4478627 | Recuperation of heat absorbent media to preheat combustion gases and glass batch A method of recovering heat from furnace flue gas which comprises passing the hot gases into contact with high specific heat media and the media into contact successively, with combustion gases and glass batch.... | 10/23/1984 |
| 4478625 | Apparatus for producing and collecting glass fibers Apparatus for producing and collecting continuous glass filaments is provided comprising: feeder means for supplying a plurality of streams of molten glass to be drawn into filaments; means for applying a liquid to said filaments; a rotatable member adapt... | 10/23/1984 |
| 4477397 | Method for recycling greenware in the manufacture of hydrous calcium silicate insulation products Off-size greenware (the product resulting from the initial gelation and filter pressing of calcareous and siliceous materials in an aqueous slurry) is recycled. The greenware is pulverized into a desirable size and combined with new calcareous and siliceo... | 10/16/1984 |
| 4474745 | Production of spinel powder A gel suitable for fiber formation is produced by reacting a Group II water soluble metal oxide with an aluminum chlorohydrate-organic complex to form a complex which is hydrolyzed and dried at elevated temperatures.... | 10/02/1984 |
| 4470203 | Cooling asphaltic strip material A method and apparatus for cooling a continuously moving strip of asphaltic material includes directing the asphaltic material into a plurality of loops, spraying an evaporative liquid onto the asphaltic material, evaporating the evaporative liquid by cau... | 09/11/1984 |
| 4468868 | Gas-solid counterflow vessel A gas to solid contacting apparatus comprising a chamber, at least one solid inlet conduit opening into the chamber, at least one gas inlet conduit opening into the chamber, the gas inlet and outlet comprising superimposed conduits.... | 09/04/1984 |
| 4466819 | Method and apparatus for producing a continuous glass filament mat A method and apparatus is provided for producing a mat of continuous glass filaments at increased throughput while maintaining desirable tensile strength characteristics by means of a fluidic distribution system employing diagonally opposed Coanda effect ... | 08/21/1984 |
| 4463048 | Manufacturing a laminated pack of mineral fibers and resulting product A method and apparatus for producing a laminated pack of mineral fibers comprising two sections, each having a forming conveyor, a plurality of sources of mineral fibers positioned to successively deposit the fibers onto the forming conveyor to form a lay... | 07/31/1984 |
| 4462815 | Scrap glass recovery A method of removing coatings from glass fibers in which the fibers are introduced into a bed fluidized by a gas at elevated temperatures, the gas converting the coatings to substances which leave the bed with the gases.... | 07/31/1984 |
| 4459891 | Apparatus for punching holes in boards The apparatus includes a rotatably mounted roll having an elastomeric sleeve with nails mounted therein at equal angles respectively to corresponding imaginary radial lines of the roll.... | 07/17/1984 |
| 4455400 | Migratin-free size for glass fibers A migration-free size for glass fibers which includes a silane coupler, lubricant and film former and is characterized by the absence of a carrier, either aqueous or organic. To provide required shelf-life, a volatile agent such as acetone is added in lim... | 06/19/1984 |
| 4455330 | Method of increasing insulation resistance of glass fibers The insulation resistance of glass fibers is improved by contacting the glass fibers with monofunctional silanes such as phenyldimethylethoxysilane... | 06/19/1984 |
| 4451594 | Film former emulsification A method of emulsifying an unsaturated diallylphthalate-based resin to form a continuous water phase emulsion which involves mixing a diallylphthalate-based resin with a specified emulsifying agent, adding water and agitating to form an emulsion in which ... | 05/29/1984 |
| 4451592 | Resin modification for glass fiber adherence A method for improving the adhesiveness between a polyolefin resin and a sized glass fiber which comprises forming a mixture of the resin, a fiber and an organic acid and molding the mixture.... | 05/29/1984 |
| 4448917 | Size for glass fibers A size for glass fibers is disclosed, the size comprising an oxidized polyolefin, a polymeric film former and an organic acid, preferably terephthalic acid or isophthalic acid.... | 05/15/1984 |
| 4448911 | Aqueous epoxy sizing composition for glass fibers and fibers sized therewith Aqueous sizing compositions for glass fibers having emulsified epoxy resin as film-former, emulsified mineral oil as lubricant, glycidoxyalkyl and/or haloalkylsilanes as coupling agents, amide anti-static agent and polyvinylpyrrolidone give superior prope... | 05/15/1984 |
| 4448910 | Aqueous compositions for sizing glass fibers containing emulsified epoxy resin and chloropropylsilane Dilute aqueous sizing compositions for glass fibers containing emulsified epoxy resin, lubricant and, as the sole organosilane coupling agent, 3-chloropropyltrimethoxy silane give superior properties to glass fibers having as a size coating the in situ dr... | 05/15/1984 |
| 4447249 | Blowing wool separator method and apparatus Method and apparatus are disclosed for recovering blowing wool from an air stream by introducing the stream out aa drum rotating in a sealed shroud, the speed of rotating be adjusted in response to the pressure differential across the surface of the drum.... | 05/08/1984 |
| 4441402 | Aesthetic acoustical air distribution duct system The duct system includes rectangular duct sections suspended from a ceiling of a room, discharging conditioned air from the top, and being formed of fabricated acoustical fibrous board sound absorbent with respect to sounds emanating from sources in the r... | 04/10/1984 |
| 4440557 | Method and apparatus for forming and collecting continuous glass filaments The present invention encompasses a system for at least partially drying or curing wet glass strand as it is being wound into a package wherein streams of heated gas, such as air, are directed into contact with the outer layer of strand being collected on... | 04/03/1984 |
| 4434255 | Method of utilizing glass fibers in composite gasket structures A method of producing sheet material consisting of clay, glass fibers and a latex resin and the product produced thereby.... | 02/28/1984 |
| 4432780 | Glass fiber scrap reclamation A method of reclaiming chemically coated glass scrap is disclosed. The scrap is introduced into the oxidizing atmosphere of a hydrocarbon-fuel fired glass melting furnace. Some of the glass is melted with the unmelted portion being melted with the glass b... | 02/21/1984 |
