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Class 139/134 - Magnetic


Subclass of Class 139 - Textiles: weaving
Definition: Means employing a magnet for propelling a shuttle.
No. of patents: 13
Last issue date: 09/27/2005


NumberTitleIssue Date
6948530Weaving machine
A weaving machine is constructed to use a magnetic traction device to reciprocate the shuttle in moving weft threads over warp threads at a high speed without producing noise and preventing direct contact between parts. ...
09/27/2005
6269842Weaving loom with circulating magnetic shuttle
A weaving loom has a transmission, which includes a driving wheel, a driven wheel, an endless driving belt that extends around the driving wheel and the driven wheel, and at least one magnet unit, which is secured to an inside surface of the belt for attr...
08/07/2001
5706867Magnetic weaving method using lateral and longitudinal strips
A method for weaving a sheet member by using lateral and longitudinal strips. A portion of the longitudinal strips are disposed in an alternating way relative to the other longitudinal strips and are moved upwardly and downwardly alternatively for forming...
01/13/1998
5697404Rotary to reciprocating drive for a magnetic shuttle carriage
An apparatus for driving a carriage of a shuttle in a weaving loom consists of a housing, a driven shaft rotatably mounted in the housing and a driving wheel rotatably mounted in the housing and having an axis of rotation orthogonal to that of the driven ...
12/16/1997
5058629Sley for a magnetic shuttle
A sley for a loom has a slot in which the magnet of a shuttle and/or the magnet of a magnetic force-generating device extends, so as to minimize the distance between the magnets of the shuttle and the magnetic force-generating device. This results in an i...
10/22/1991
4901768Picking apparatus for a loom
A picking apparatus includes a sley with a reed assembly fixed thereon, a raceway formed in the upper surface of the sley, a magnetic force-generating device for generating a magnetic force which moves along the raceway, and a shuttle which is attracted b...
02/20/1990
4848410Magnetic shuttle drive system for a multi-system weaving loom
To provide for positive guidance of shuttles in a multi-system traveling shed weaving loom, in which the shuttles move continuous, endless loop path, having a straight portion (15a) and two essentially semi-circular curved return path portions (15b), the ...
07/18/1989
4762153Weaving loom with magnetic shuttle
A weaving loom with a magnetic shuttle comprised of an endless loop for guiding the shuttle to circulate and fly through the shed of warp and a magnetic means constructed as a structure which generates a magnetic force circulating along the endless loop f...
08/09/1988
4624287Shuttle unit of a loom
A shuttle unit for a loom includes a shuttle and means forming a reversible electromagnetic field arranged to act on and to reciprocate the shuttle and formed as a linear motor with one or two stators....
11/25/1986
4529016Apparatus for inserting weft wires in a weaving loom
An apparatus for inserting weft wires in flat weaving power looms wherein a shuttle is moved by carriages which are disposed above and below the shed defined by the warp wires and which are guided by magnetic means and wherein the shuttle is a gripper shu...
07/16/1985
4232714Traveling yarn dispensers
A travelling yarn dispenser for use in a textile machine, particularly a circular loom shuttle has an electric generator the rotor of which is adapted to be driven by yarn leaving the dispenser. In the preferred construction the driving member of the gene...
11/11/1980
4073319Shuttle monitoring device, particularly for multiple-shuttle weaving machines
Each shuttle of a multiple-shuttle weaving machine is provided with at least one shuttle magnet. A drive unit acts upon each shuttle magnet to effect positive magnetic transport of the shuttle through the length of the shed, without physically contacting ...
02/14/1978
4050481Undulated shed loom with electromagnetic shuttle drive
The present invention relates to an undulated shed-type loom for transporting shuttles filled with filling thread through sheds by means of electromagnetic fields acting on the shuttles and having means for beating up the filling threads introduced agains...
09/27/1977
 
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