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Class 19/306 - Gripping feed to fiber separator


Subclass of Class 19 - Textiles: fiber preparation
Definition: Method or apparatus wherein the trailing portion of a forwardly
No. of patents: 26
Last issue date: 04/03/2007


NumberTitleIssue Date
7197793Former head with adjustable needle rollers
A former head allows processing of long fibers while achieving a carding action and a fibre distribution fulfilling high quality standards. The former head contains at least one needle roller. A mixture of air and fibers are injected above the horizontal plane of a ...
04/03/2007
6233787Fiber distributor
An apparatus for uniformly distributing a disintegrated material on a fiber layer forming surface comprising a cylindrical housing having a perforated plane-surfaced bottom wall; an inlet opening for a stream of air containing suspended fibers and a stirr...
05/22/2001
5873150Method and apparatus for distributing long fibers
A method and apparatus for distributing reinforcement fibers includes a chute for supplying reinforcement fibers, the chute having an outlet end, and a metering belt mounted for endless travel along a first path at the outlet end of the chute. The meterin...
02/23/1999
4546622Circular knitting machine for producing knit goods having enmeshed fibers
A circular knitting machine for the production of knit goods with combed-in fibers, has a rotating needle cylinder in which needles having hooks for receiving fibers are mounted, at least one carding device having a feed apparatus for feeding a fiber stra...
10/15/1985
4507827Cleaning machine for fiber material
The cleaning machine for fiber material has an opening roller provided with clothing. The cleaned fibers are again removed from the clothing into a suction chamber by means of a screening member containing a screening wall provided with a nose. The invent...
04/02/1985
4489462Air flow control apparatus for a fiber air-lay machine
An apparatus is disclosed for high speed production of uniform webs by air-laydown of textile fibers. A feed batt of staple fibers is fed to a toothed disperser roll that projects the fibers at high velocity and low angle into an airstream of high uniform...
12/25/1984
4458506Circular knitting or circular hosiery knitting machine for manufacture of knit wares of hosiery with combed-in fibers
Circular knitting machine for the manufacture of knit wares of hosiery with combed-in fibers, having at least one needle bed possessing knitting needles and having at least one carding machine which possesses a feed apparatus for a band of fibers, a combi...
07/10/1984
4387486Control system for fiber processing apparatus
A control system for use in textile processing equipment including a card and a chute feed delivering a batt of fiber thereto. The operating speed of the card is sensed to generate a signal that is used to drive the motor for the oscillating densification...
06/14/1983
4315347Fiberization of compressed fibrous sheets via Rando-Webber
A method and apparatus for forming non-woven webs by separating fibers from a compacted sheet or sheets of the fibers utilizing a lickerin. The method and apparatus include provision for attaining substantially individual fibers from a compressed sheet of...
02/16/1982
4176427Web forming apparatus employing spreading section
An apparatus for increasing the width, or cross-machine-direction dimension of a fluid-entrained (e.g. air-entrained) stream of fibers prior to depositing the fibers on a foraminous forming surface to form a fibrous web structure. A rotatable spreading ro...
12/04/1979
4176426Web forming apparatus employing intermediate web forming and spreading section
An apparatus for increasing the width, or cross-machine-direction dimension of a fluid-entrained (e.g., air-entrained) stream of fibers to form a fibrous web that is wider than the stream of fibers. A rotatable spreading roll having a foraminous outer sur...
12/04/1979
4097965Apparatus and method for forming fibrous structures comprising predominantly short fibers
An apparatus for forming a fibrous structure includes a rotatable main drum having projections on its outer periphery for separating fibers from a fibrous feed, and directing the separated fibers through a fiber working section. The working section includ...
07/04/1978
4070730Production of chopped fibers
An improvement in the production of chopped fibers is provided. Long fibers, commmonly in the form of roving, are fed through a chopper assembly comprising a cutter wheel having a plurality of outwardly-extending blades and a back-up roll having a soft cy...
01/31/1978
4065832Apparatus for forming a fibrous structure
An apparatus and method for fluid-forming (e.g., air-forming) a fibrous structure, such as a fibrous web, employs a conveying duct through which a stream of fluid-entrained fibers is directed, and a foraminous surface intercepting the downstream end of th...
01/03/1978
4064597Prevention of fibers from entering the pinch point between a rotating feed roll and a stationary shoe
A compressed batt of fibers is fed against a rotating toothed roll for dispersion of the fibers from the batt and this dispersion of fibers is fed through the point of closest clearance between the toothed roll and a feed roll rotating in the opposite dir...
12/27/1977
4064600Method for forming fibrous structures
A method for forming a fibrous structure from a fibrous feed by: (1) directing the feed into engagement with projections on a rotating fiberizing drum for separating fibers from the feed; (2) directing the separated fibers to a release zone at which they ...
12/27/1977
4064599Fiberizing method and apparatus employing differential feed system
Method and apparatus for separating fibers from a stack of fibrous sheets, either in roll or bale form, by directing the stack of sheets into engagement with a fiberizing means employs a differential feed system for directing the bottom sheet, or sheets, ...
12/27/1977
3999250Method of fiber distribution and ribbon forming
By combination and interaction of mechanical and aerodynamic forces, textile fibers are doffed from a processing cylinder, purged of foreign matter, subdivided and directed into a network of conveying tubes, and distributed to a multiplicity of fiber by-p...
12/28/1976
3982302Web forming apparatus and method
Web forming apparatus of this invention includes a fiberizing roll for separating fibers from a feed mat and entraining them in a gaseous medium, a foraminous forming surface through which the gaseous medium passes and upon which the fibers are condensed ...
09/28/1976
3976074Absorbent article
An absorbent article comprising, an absorbent pad having a mass of hydrophilic fibers and a matrix of a comminuted hydrophobic material dispersed in the interfiber spaces defined by the fibers throughout at least a portion of the pad....
08/24/1976
3973291Method for forming fibrous pads
A method for forming discrete fibrous pads including the steps of entraining fibers in air to form an air-suspension of fibers and directing the suspension selectively to different predetermined regions of a pad-formation assembly to form discrete fibrous...
08/10/1976
3972092Machine for forming fiber webs
In this machine, tufts of fibers are delivered from a feed section by an air bridge into a generally vertical chute past a rotary feeder condenser on which the fibers are formed into a mat which is carried onto a feed plate over which the mat is fed by a ...
08/03/1976
3963392Apparatus for preparing air-laid nonwoven webs from combined streams
A process and apparatus for forming a wide variety of air-laid nonwoven webs, with the apparatus including plural pairs of spaced parallel oppositely rotating lickerins, each pair having a movable divider plate therebetween. The lickerins individualize fi...
06/15/1976
3961397Clump removal devices
Clump-removal devices are disclosed for separating unacceptably large clumps from an air stream containing both clumps and substantially individualized fibers. The devices include an inlet duct for receiving the air stream containing the fiber/clump mix; ...
06/08/1976
3941530Conversion of nonwoven fabric into staple fibers
Nonwoven fabric is fed at a first rate into the bite between a first shredding element and a stationary working surface. The first shredding element has a plurality of projections which penetrate the fabric and at least substantially shred the fabric as t...
03/02/1976
3932915Air-laydown apparatus for forming uniform webs of staple fibers
Process and apparatus are disclosed which are suitable for high speed production of uniform, lightweight webs by air-laydown of textile fibers. A toothed disperser roll doffs the fibers into an air stream of high uniform velocity and low turbulence to for...
01/20/1976
 
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