Abstract: A fiberglass insulation binder composition made from a polycarboxy polymer, a polyhydroxy crosslinking agent, and a cationic surfactant, amphoteric surfactant, nonionic surfactant, or mixture thereof. Also, a process for manufacturing a fiberglass insulation product, which involves a step of applying the binder composition onto a fiberglass substrate and curing the fiberglass substrate so treated. Binders produced in accordance with the present invention are characterized by improved atomization, improved binder dispersion and fiber wetting properties, and improved protection of individual fibers during processing.

Abstract: A method of forming an integrated pack of organic and mineral fibers includes centrifuging mineral fibers from molten mineral material using a mineral fiber spinner, directing the mineral fibers into a downwardly moving veil, generating an array of aligned organic fibers from a die and directing the organic fibers into contact with the mineral fibers to integrate the organic fibers with the mineral fibers, and collecting the integrated mineral fibers and organic fibers as a fibrous pack.

Abstract: A spinner for centrifuging mineral fibers from molten mineral material is disclosed. The spinner includes a generally annular peripheral wall, the peripheral wall having a plurality of apertures formed therethrough, and a plurality of eyelets mounted in the apertures, each eyelet having multiple orifices formed therethrough.

Abstract: A method of forming a spinner for centrifuging fibers from molten material is disclosed. A dispersion strengthened metal is warm worked at a temperature above the minimum warm working temperature and below the recrystallization temperature of the metal to form a spinner having an annular peripheral wall and a plurality of ribs formed integrally with the peripheral wall and extending radially inwardly therefrom. The spinner is heat treated to recrystallize the metal to a coarse grain structure, and a plurality of fiber-forming orifices are formed in the peripheral wall.

Abstract: Apparatus for making dual component fibers is provided and includes a spinner having a peripheral wall. The spinner includes orifices located on the peripheral wall thereof for centrifuging the dual component fibers, with the spinner being divided into a series of generally vertically-aligned compartments by baffles positioned circumferentially around the interior of the peripheral wall. First and second molten thermoplastic materials are supplied to the spinner and directed into alternate ones of the compartments so that adjacent compartments contain different thermoplastic materials. Passages are located in each of the compartments through which the respective molten thermoplastic materials flow to the orifices on the peripheral wall of the spinner. The passages in adjacent ones of the compartments communicate with one another and with the orifices to join the first and second molten thermoplastic materials together into dual component fibers.

Abstract: This disclosure depicts a feeder or bushing where the heat transfer members or fin shields have outwardly disposed surfaces with a ceramic coating bonded to those surfaces. The heat transfer surfaces also are in direct contact with and adjacent to the discharge wall of the feeder where they act as support members to support the discharge wall. This combination is especially useful in designing feeders or bushings with a greater number of orifices.

Abstract: Composite spinners for use in forming glass fibers are formed by transient liquid phase bonding of an oxide dispersion strengthened foraminous sidewall portion to a non-oxide dispersion strengthened bottom wall portion.

Abstract: Oxide dispersion strengthened metals are ring rolled into a profiled member which can be employed as a spinner in the manufacture of fibrous glass. Sufficient hot working and annealing are provided to develop the desired coarse grain structure.

Abstract: A mechanically alloyed composition of matter or alloy containing 30-40% chromium, 5-25% cobalt, 0.5-10% iron, 0.2-0.6% aluminum, 0.3-1.2% titanium, up to 0.15% carbon, about 0.2-1% yttria, up to about 0.3% nitrogen, the % titanium being at least about 1.4 times the % nitrogen, minor amounts of optional elements, the balance being essentially nickel. The consolidated and hot worked alloy with coarse grains produced by heat treatment at about 1300.degree. C. is useful in service requiring hot strength along with extraordinary resistance to oxidation, sulfidation and hot corrosive media. Specific utilization of the alloy of the invention is contemplated in handling molten glass and in utensils adapted to be used in contact with molten glass, e.g. spinners.

Abstract: An improved laminated bushing is provided for manufacturing fibrous glass products. The bushing comprises a precious metal inner portion which is externally coated with a non-reactive, thermally shock-resistant ceramic. Preferably the ceramic is a crystallographically stabilized zirconia and is applied by arc-plasma spraying.

Abstract: A process for forming molten material in a melting furnace is disclosed. Bushings made of refractory or noble metal in the furnace are protected from cracking by applying a positive or anodic D.C. bias.

Abstract: A process for producing an article of glass manufacture is disclosed in which oxide dispersion strengthened alloys are used to produce complicated shapes. The process includes a critical thermomechanical processing sequence to recrystallize the alloy into a coarse grain structure for high temperature service.

Abstract: An improvement is provided in apparatus of the type which comprises a glass feeder adapted to discharge a stream of glass, the feeder including a terminal or tab on each of opposed side wall portions and means are provided, including electrical connectors respectively connected to one or the other of the terminals for passing an electrical current through the bushing so as to resistively heat it and maintain it at an elevated temperature; the improvement resides in employing a bushing essentially comprising silicon carbide and locating a graphitic material intermediate the respective terminal and connector and in this way inhibiting the formation of silica to thereby provide a bushing with a longer operating life.

Abstract: A bushing for use in the drawing of glass filaments to form glass fibers formed of a silicon-based ceramic having a plurality of openings extending therethrough and hollow tip elements formed of a precious metal extending through the openings in the bushing. In the preferred practice of the invention, the hollow tip element overlays a ceramic spacer element which serves to prevent reaction of the precious metal with the silicon-based ceramic.