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6620350 |
Method for making gradient refractive index optical components
A method for making gradient refractive index optical components includes mixing a molten basic material ( 11 ) with a refractive index modifying material ( 21 ) in continuously changing...
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6371394 |
Method for winding a fibre element having different longitudinal portions
Method for winding a fiber element onto a support. The fiber element having at least two longitudinal portions (P i ) with different characteristics. The method including the steps of supplying the...
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6125660 |
Method for manufacturing mineral fibres
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6035667 |
Method of making glass yarn with controlled tension
When one strand, which is formed by gathering a multiplicity of glass filaments having a diameter of 9μ or less and formed by drawing molten glass flowed out through a multiplicity of orifices...
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5051122 |
Method and apparatus for manufacturing continuous fiber glass strand reinforcing mat
The subject matter of this invention relates to a method and apparpatus for making mats of continuous glass fiber strands in which a heated calendering roll and continuous belt are used to compact...
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4961769 |
Mat pattern control system and method
A method and means for superimposing a secondary, higher frequency, lower amplitude oscillation of the angle of the trajectory of a glass fiber relative to a forming surface upon a primary, lower...
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4955999 |
Stationary strand deflector for continuous strand manufacture
A strand deflector used in the manufacture of continuous strands is shown and described. The deflector comprises a rigid surface which stretches across the width of the mat making machine and which...
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4931075 |
High current multiterminal bushing controller
An improved bushing controller is shown which utilizes an auxiliary transformer in each of the variable impedance circuits in the controller and the bushing tha the controller is connected to...
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4921517 |
Method and apparatus for directing glass fiber strands for fabricating continuous strand, nonwoven mat
Glass fibers are projected along an oscillating trajectory onto a travelling conveyer to form a glass fiber mat. The trajectory is made to oscillate by stripping glass fibers from a pulling wheel...
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4824456 |
Process and mechanism for the production of glass fiber products for example fleece, mats, yarns and rovings
A process and apparatus for the production of glass fiber is disclosed. The process and apparatus are directed to collecting filaments being drawn from streams of liquid glass into a plurality of...
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4787926 |
Digitally controlled tube build-up compensator for a glass fiber forming machine method
A digitally controlled apparatus for varying the temperature of a glass fiber forming bushing over a period of time is disclosed. A clock generates timing pulses at a predetermined frequency to a...
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4692178 |
Filament gathering apparatus, system and method
A wheel assembly, system and method utilizing said wheel assembly are disclosed for directing filaments, strands and the like in such a manner that minimizes the wraparound of such on the wheel...
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4615717 |
Method and apparatus for making glass fiber oriented continuous strand mat
An oriented continuous strand mat of glass fiber filaments is formed by interleaved layers of generally circular or random loops and elongated elliptical loops having their longitudinal axes...
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4526598 |
Method and apparatus for forming a bundle of glass filaments
A filamentary gathering apparatus, apparatus for forming filaments into a gathered bundle of filaments, and a method of forming gathered filaments into a bundle of filaments according to the...
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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...
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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...
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4401451 |
Process and apparatus for the manufacture of discontinuous glass fibers
The application discloses an apparatus and a process for the manufacture of discontinuous fibers obtained by fluid attenuation. The fibers are attenuated from a bushing whose base is equipped with...
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4389024 |
Method and apparatus for packaging strands
Method and apparatus for attenuating and collecting glass filaments are provided comprising a rotatable collet adapted to wind said strands thereon; a traversing means adapted to move the strands...
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4345927 |
Apparatus and process for use preparing a continuous strand mat
An apparatus and process is provided for more random distribution of a bundle of strands into a continuous strand mat. The apparatus has a feeder for reciprocating, traversing deposition of strands...
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4342580 |
Method of and means for monitoring filament break-outs or glass flood conditions in a glass filament-forming process
The disclosure embraces a method of and apparatus for automatically and remotely detecting and indicating when any filament breaks out or other discontinuity occurs in the process of attenuating...
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4342579 |
Method and apparatus for collecting strand
A method and apparatus for collecting strand are provided comprising: supplying a first strand segment; rotating a member to collect the first strand on the member; varying the speed of the...
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4342581 |
Mat width control
A process is described for preparing continuous strand mat which provides for more uniform density of the mat across the width of the surface on which it was prepared by using gaseous fluid...
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4309202 |
Method and apparatus for forming and packaging multistrand roving
The disclosure embraces a method of and apparatus for processing fibers or filaments of glass or other fiber-forming material into a roving and packaging the roving, the fibers or filaments during...
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4294416 |
Controlled multipackage winding
A method and apparatus for controlling the simultaneous winding of glass strands into more than one package by sensing when a first package has reached a predetermined size, sensing when a second...
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4285712 |
Apparatus and method for the production of glass fibers
The invention relates to apparatus and method for producing fibers from heat-softened mineral material, such as glass. More specifically, this invention relates to method of, and apparatus for,...
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4274852 |
Manufacturing glass with a bushing having a directionally aligned dispersion strengthened tip plate
An improvement in the manufacture of fibrous glass products is provided by employing a bushing in which the bottom wall, or tip plate, is fabricated of a properly aligned dispersion strengthened...
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4256477 |
Class fiber forming
Method and apparatus for measuring two or more temperatures of a bushing and controlling those temperatures by introducing a gaseous fluid into contact with the bushing at two or more loci.
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4230284 |
Method and apparatus for collecting strands
Method and apparatus are provided for the initiation of attenuation and collection of a strand by an operator remote from the winder wherein an interim advancement means, a movable member adapted...
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4194896 |
Method and apparatus for forming glass filaments
Method and apparatus for forming glass filaments are provided by (a) a plurality of spaced apart forming sections wherein each section is comprised of (i) a feeder adapted to supply a plurality of...
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4163653 |
Method and apparatus for forming and collecting discrete fibers and/or strands
Method and apparatus for forming discrete segments of fibrous glass comprises supplying a plurality of streams of molten glass; attenuating the streams into filaments and cutting the continuous...
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4146376 |
Microcomputer controlled winder
An improved microcomputer controlled winder for attenuating a plurality of streams of molten glass issuing from a bushing into fibers and for collecting a strand of such attenuated fibers into a...
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4145201 |
Glass fiber producing and collecting apparatus
This is an improvement to current processes and apparatus for producing monofilament glass fibers from a single or a multitude of streams of molten or plastic glass, being drawn through an orifice...
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4088468 |
Method and apparatus for applying size to glass strands
This invention relates to a method and apparatus for forming glass filament in which a fluid is applied to the filament which is passed in contact with a suction means to contact the filament with...
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4065065 |
Method and apparatus for collecting strand material
A method and apparatus are disclosed for collecting strand material, and especially glass strands. The method comprises oscillating the mid point of a rotating surface on which the strand material...
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4045195 |
Method of preparing glass strand and novel glass strand packages
A method of winding glass is provided in which strands of fiber glass prior to collection on a high speed winder are subjected to a high turbulent fluid passed tangential to the strand in a...
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4033741 |
Method and apparatus for forming containerized glass strand package
A novel method and apparatus for forming a containerized package of glass fiber strand is disclosed. The method comprises impinging attenuated glass fiber strand onto a rotating surface, swirling...
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4013433 |
Method and apparatus for preparing container packages of glass strand
A method and apparatus for forming containerized packages of glass strand is disclosed. The apparatus includes a novel attenuator for forming glass strand comprising a pair of double gear belts...
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3998404 |
Transverse mechanism for winding fiber glass
A new and improved process for winding fiber glass strand from a glass fiber forming bushing is described in which glass fibers are drawn from a bushing by attenuation at high glass pull rates. The...
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3986853 |
Control system for the drawing of glass fibers
A control system for use in combination with a bushing assembly of the type wherein glass fibers are drawn through an orifice plate having a flat undersurface against which bulk gas is directed to...
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3981704 |
Method and apparatus for processing glass
This invention embraces a method of and apparatus for processing heat-softenable fiber-forming material, such as glass, involving treatment of a surface of a feeder from which flow streams of the...
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3955952 |
Method of making a slubby strand
A method of forming a slubby glass fiber strand is disclosed which involves passing a plurality of glass fibers as they are drawn from a bushing in parallel over a working surface at a first...
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3920431 |
Binder applicator for glass fiber coating and method of using
An applicator for use in applying binders and sizes to textile fibers is described which utilizes an endless belt as the applicator surface. The belt is rotated continuously during application in a...
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3887970 |
Method of producing crimped fiber glass
Crimped fibers in novel form are described in which mats of fiber are provided which are characterized by having the fibers interlocked in both horizontal and vertical directions. A method of...
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3883333 |
Method and apparatus for forming a uniform glass fiber continuous mat
A method and apparatus for forming a uniform continuous glass fiber mat is described employing a plurality of glass fiber bushings with attenuators pulling the fibers and depositing them onto a...
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3881945 |
Glass fiber of high modulus of elasticity and process for manufacturing it
Glass fiber of high modulus of elasticity and tensile strength, belonging to the class of materials known as "ceramic glass." It is formed of a vitreous matrix containing a plurality of inclusions,...
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3876404 |
METHOD AND APPARATUS FOR REDUCING TENSION AND TRAVERSING GLASS FIBER STRAND
A method and apparatus for reducing the tension of continuous glass fiber strand is disclosed. The apparatus is composed of a traveling surface rotating about an axis. The surface has a plurality...
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3847579 |
METHOD OF AND APPARATUS FOR PROCESSING LINEAR ELEMENTS
The method and apparatus of this invention are illustrated in an embodiment of apparatus for controlling the tension of linear materials between material feeding and collecting means. Means are...
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3819344 |
METHOD AND APPARATUS PRODUCING PERTURBATIONS WHILE WINDING GLASS FIBERS
A multifilament textile product having predetermined dimensional perturbations along the length of the filaments sufficient to conceal otherwise visible contrasts in fabric produced from a textile...
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3766003 |
PROCESS FOR MANUFACTURING ENDLESS FIBER WEBS FROM INORGANIC FIBER SUSPENSIONS
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...
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3677481 |
METHOD AND APPARATUS FOR TAKING UP FIBER
An in-line take-up apparatus and process isolate the tensional forces needed in a fiber for good packaging about a wind-up member from the portion of a fiber having very low tensile strength which...
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