U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "

Mark Twain ; Christmas greetings, 1890

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 139/370.1 - Weft


Subclass of Class 139 - Textiles: weaving
Definition: Stopping wherein the absence of, substantial exhausting
No. of patents: 22
Last issue date: 11/27/2007


NumberTitleIssue Date
7299827Loom restarting method
A loom restarting method restarts a loom stopped due to a loom stopping cause without entailing a “wavy set mark”. When a loom is stopped due to a loom stopping cause entailing faulty picking, the loom restarting method provides a loom stopping command, withhold...
11/27/2007
7088061Drive system for a group of machines
A drive system powering a group of machines each fitted with a rectifying unit, wherein the inputs of the control devices of the machines' drive motors are interconnected by an electrical bus which implements a power exchange. The system enables swapping current fro...
08/08/2006
7039489Monitoring of thread transport
A method for monitoring the transport of a thread in a weaving machine is presented in which the thread includes thread sections (21, 21.i) which are transported with an associated speed (vi). In this method, values (24) of at least o...
05/02/2006
6983771Feeding device
A feeding device for a mechanical weaving machine, including a winding element which can be driven in a rotating manner, a stationary storage, and at least one stop element. The stop element can be axially and radially moved in relation to the storage body, between ...
01/10/2006
6102079Visual diagnostic system for a jacquard machine
A diagnostic system for a jacquard machine having a plurality of heald hooks (16) moveable between at least two discrete shed positions, the system including visual sensing means (30) for producing a visual image of hooks (16) located at one of said shed ...
08/15/2000
5424557Apparatus for monitoring wefts or threads
The present invention relates to an apparatus for optical monitoring of whether a thread is in motion or not in a determined direction in a region illuminated by one or more light sources, the region being a part, illuminated by the light source (5), of a...
06/13/1995
5251673Weft sensing imaging system for weaving machine
A weft sensing system for a weaving machine such as an air jet loom or a water jet loom includes an image sensor camera for scanning at least a line passing through a weft insertion path to detect an abnormal weft insertion. The image sensor camera is set...
10/12/1993
5205327Electrostatic weft detector
The weft break stop motion (1) detects without contact a potential displacement in the feeler (5a) effected by a weft thread moving past by means of a plate-like layered sensor element (2). With the feeler (5a) turned towards the weft thread insertion, th...
04/27/1993
4911207Method for monitoring warp breaks on weaving machines, and a device which uses this method
A method for monitoring warp thread breaks on weaving machines includes the steps of locating broken warp threads and storing the number of broken warp threads in a memory as a function of the postions of the breaks....
03/27/1990
4669510Process for operation of a weaving machine as well as application of the process
A weaving machine having a filling breakage detector for generating an error signal upon breakage of a filling thread. This error signal then stops the weaving machine. A pick finding process is then initiated in which the weaving program is set back and ...
06/02/1987
4592394Optical weft sensor for air jet weaving looms
An optical sensor of the barrier type for air jet weaving looms comprises two equally orientated, parallel photoelements and two very thin total-transmission optical prisms aligned with the photoelements and insertable between and the reed blades in order...
06/03/1986
4491831Method and apparatus for analysis of information about yarn eveness
A yarn eveness detector in a textile machine generates an analog signal in response to yarn uneveness. The analog signal is digitized and subjected to real time processing in a computer for analysis of both cyclic and non-cyclic yarn irregularity. A signa...
01/01/1985
4437422Stop control mechanism for feeding a material to a work performing machine
A stop control for a sewing machine having an attachment for the making of spaghetti-like tubes, without visible stitching, and with or without a core filler, from a supplied bias binding material, the binding material being comprised of elongate strips j...
03/20/1984
4228828Electronic thread monitoring device for gripper shuttle weaving machines
The invention is concerned with an electronic weft or filling thread monitoring device on a gripper shuttle weaving machine provided with means for moving the gripper shuttle, at the end of the shuttle insertion, back from a stop position to a yarn releas...
10/21/1980
4183381Method of and device for detecting an improper pick of weft yarn in a weaving loom
For detecting an improperly inserted pick of weft yarn in a weaving loom, a tension signal representative of a total of tensions detected of a predetermined number of warp yarns forming an end portion of the weaving shed during beating of the weft yarn in...
01/15/1980
4158372Process and device for watching the weft on weaving looms
The invention pertains to a process for watching the weft thread of weaving looms, characterized by the fact that it consists in preparing a stop signal for the weaving loom, each time the weft carrier has completely left the shed; in checking for the pre...
06/19/1979
4155381Weft thread monitoring device
A weft thread monitoring device comprises a carrier element, such as a push rod, that is moved in one direction relative to the loom frame by beating-up motion of the reed and is biased in an opposite return direction. A feeler that is carried for bodily ...
05/22/1979
4086575Apparatus for the optional detection of the movement of any individual or any optional pair of objects
Apparatus for detecting whether one thread selected from a number of threads is in motion, while no other thread is in motion, or whether a set of threads selected from a number of sets, each having two or more threads, is in motion, while no other set is...
04/25/1978
4072935Apparatus for indicating whether one or more objects are in motion
A plurality of signal generators are provided, one signal generator being associated with each object for example threads, strips, or the like whose motion is to be detected. Each signal generator generates an electric signal upon detection of movement of...
02/07/1978
4067365Apparatus of stopping operation of a weaving loom
Operation of a weaving loom is stopped when tension in warp yarn less than a reference value at beat-up is successively sensed at a plurality of successive beat-ups....
01/10/1978
3989068Automatic control apparatus for weaving machine
An automatic control apparatus for a weaving machine is disclosed, which includes a photoelectric detecting scheme provided at a reed of the machine such that a light beam thereof penetrates the shed of the warp sheet and detects improperly shedded warp. ...
11/02/1976
3970115Device for monitoring the yarn travel in the shuttle of a shuttle loom
A device for monitoring the travel of a yarn, particularly weft yarn in the shuttle of a loom, which device is designed as an assembly or unit comprising a piezoelectric transducer element, a yarn feeler member fixedly bonded with the transducer elements ...
07/20/1976
 
Sign InRegister
Username  
Password   
forgot password?