Class 65/505 - With means to distribute fibers across collecting surface (e.g., blower, mechanical distribution means, reciprocating, oscillating, etc.)

Subclass of Class 65 - Glass manufacturing
Definition: Apparatus including a fiber depositing means which moves
No. of patents: 34
Last issue date: 03/16/1999

Number	Title	Issue Date
5882372	Apparatus for use in confining a gaseous stream containing wet or sticky particles or fibers In a process of making gas laid products by entraining particles at least partially coated with a binder in a gaseous stream, passing the stream through a forming chamber and through a permeable collecting surface where the particles build up to form a pr...	03/16/1999
5620497	Wool pack forming apparatus using high speed rotating drums and low frequency sound distribution Methods, apparatuses, and devices are disclosed for collecting a veil including long fibers with high speed conveyor surfaces to produce a web of loosely related fibers, and further forming a wool pack by distributing the web of fibers with low frequency ...	04/15/1997
5605556	Linear ramped air lapper for fibrous material A method and apparatus for distributing fibrous includes establishing a flow of fibrous material, positioning at least one flow distributor in a position to direct at least one gaseous flow into contact with the flow of fibrous material to distribute the ...	02/25/1997
5603743	High frequency air lapper for fibrous material A method and apparatus for distributing fibrous material includes establishing a flow of fibrous material, positioning at least two flow distributors in a position to direct a gaseous flow into contact with the flow of fibrous material, such as a flow of ...	02/18/1997
5595585	Low frequency sound distribution of rotary fiberizer veils A method and device is disclosed for distributing a veil by applying low frequency sound to at least one portion of the veil, and causing the veil to deviate in its generally downward direction of travel. In its simplest embodiment, the lapping device of ...	01/21/1997
5455991	Method and apparatus for collecting fibers, and product Disclosed are an improved apparatus for collecting fine fibers, such as glass fibers, having a mean diameter of less than two microns from a gaseous stream, a method of collecting fine fibers using the apparatus and the novel new product produced by this ...	10/10/1995
5454848	Method of making air filtration media by inter-mixing coarse and fine glass fibers A fiber glass air filtration media comprises a blanket of glass fibers with about 25% to 35% by weight of the glass fibers being fine glass fibers having an average diameter of less than 3.5 microns and about 65% to 75% by weight of the glass fibers being...	10/03/1995
5368623	Process and apparatus for the continuous production of mineral wool nonwovens The objective is to provide a process and an apparatus for the continuous production of mineral wool nonwovens, by means of which a stable flow pattern is created in the chute, thus facilitating a clearly defined, homogeneous layer of deposited mineral wo...	11/29/1994
5246653	Apparatus for the continuous production of mineral wool nonwovens An apparatus and a process for the continuous production of mineral wool nonwovens in the nonwoven formation process on the drums of the accumulating conveyors arranged at the lower end of a chute. Several fiberization units (1, 2, 3, 4) communicate with ...	09/21/1993
5090981	Method for making high R super insulation panel An insulation panel comprises a mineral fiber board having a density between 8 and 28 pounds per square foot, the fibers having no organic binder thereon, and between 5 and 40 percent by weight of particulate material packed in the interstices of the boar...	02/25/1992
5051123	Arrangement for cleaning surfaces of a wool chamber in the manufacture of mineral wool An arrangement for cleaning a wool chamber in the manufacture of mineral wool. In the manufacture of mineral wood, a binder is added to the stream of fibres. The stream is deflected towards the wool chamber and the binder deposits itself in fine droplets ...	09/24/1991
4964891	Programmably controlled fiber glass strand feeders and improved methods for making glass fiber mats The specification of the instant invention discloses improvements in methods for making various types of mats of fiberous material. In particular, the improvements relate to methods for making continuous fiber glass strand mats using reciprocating strand ...	10/23/1990
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 frequency, higher amplitude oscillation of the release mech...	10/09/1990
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 is interposed between the strand feeders located above it...	09/11/1990
4948408	Strand deflector for a wide band mat A strand deflector widens the band of fibers from a continuous strand mat pull wheel. The strand deflector defines a plate having a surface with discontinuities such as a pattern of transverse parallel grooves or oblique intersecting grooves. The plate is...	08/14/1990
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 by means of a stripping edge, such as a tight wire, which i...	05/01/1990
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 loosely bound strands of filaments which additionally are n...	04/25/1989
4737180	Process and mechanism for the production of glass fiber products for example fleeces, 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 loosely bound strands of filaments which additionally are n...	04/12/1988
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 positioned in the direction of travel of an endless conveyor upo...	10/07/1986
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
4478624	Process and apparatus for improving the distribution on a receiving device of fibers carried by a gas current The invention relates to the distribution on a receiving device of fibers carried by a gas current. To improve the distribution, the gas current carrying the fibers is subjected to the action of a gas layer which envelopes the current and of which the dir...	10/23/1984
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
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 onto a conveyor, where the feeder is positioned above the...	08/24/1982
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 directed mat edges to fold loose strands at the edges under the m...	08/03/1982
4340406	Pressurized gas accelerators for reciprocating device A reciprocating traversing apparatus discharges material onto, inspects marks, or cleans a device that it is traversing is provided that has reduced requirements for a driving motor, and has smoother traversing motion. A traversing mechanism has a driving...	07/20/1982
4266960	Method and apparatus for producing fibrous wool packs The present invention relates to the manufacture of fibrous wool by the rotary process. In the rotary process heat softenable material, such as molten glass, is supplied to a centrifuge wherefrom streams of said heat softenable material emanate and are ac...	05/12/1981
4158557	Method and apparatus for forming fiber mat A method and apparatus for forming a fiber mat is disclosed. The attenuation rate of the attenuator or strand advancing apparatus is varied as the attenuator traverses across the mat formation surface such that a constant rate of attenuation of glass fila...	06/19/1979
4124363	Method and apparatus for manufacturing inorganic fiber through pendent process and apparatus for carrying out the same A method and an apparatus for manufacturing an inorganic fibers through a pendent process wherein melted glass is allowed to flow down by its own weight in a state of fine streams through a plurality of nozzle holes perforating through the bottom of a gla...	11/07/1978
4046538	Oscillating mechanism and method of and means for promoting motion accuracy of the mechanism in a fiber forming operation The disclosure embraces a method of and apparatus for distributing linear groups of fibers onto a moving collector which include engaging and advancing groups of fibers by rotating pull wheels, disengaging the groups of fibers from the pull wheels by osci...	09/06/1977
4039718	Hollow glass filaments sealed at both ends their production and their use as matrix reinforcing materials Novel glass fiber strands of relatively short lengths are disclosed in which the strands are formed of a consolidated bundle of glass filaments. The filaments making up the consolidated strand have external diameters of 0.0003 to 0.003 inch (0.0016 to 0.0...	08/02/1977
3997307	Method and apparatus for making glass fibers utilizing an oscillating spinner Attempts have been made by the prior art to oscillate a veil of air entrained centrifugally spun fibers back and forth across a moving collecting surface to build a layer of fibers having uniform thickness and density. The present invention accomplishes t...	12/14/1976
3981708	System for producing blankets and webs of mineral fibers A recent development for manufacturing blankets of mineral fibers includes a system comprising a plurality of fiber forming and collecting modules spaced along a process line, each module designed to produce a relatively thin web of intertangled fibers an...	09/21/1976
3962753	Method of making glass fiber mats and controlling pressure drop across web by varying perforated plate beneath web The method disclosed herein includes moving the fibers downwardly toward a continuously moving foraminous conveyor, drawing the gas through the conveyor to deposit the fibers on the conveyor, creating a back pressure by locating an apertured plate immedia...	06/15/1976
3933456	Apparatus for packaging glass fibers Apparatus for increasing the rate of evaporation of liquid from wound linear material, such as glass strand, by subjecting successive outer layers of the package to an air jet....	01/20/1976

PatentStorm

Quotables

PatentStorm News

Class 65/505 - With means to distribute fibers across collecting surface (e.g., blower, mechanical distribution means, reciprocating, oscillating, etc.)