transformable structure for a multi thread single line shuttle stitch line and method and machine for its realization

Abstract

A multi-thread single-line shuttle stitch line, consisting of at least three threads, where each top thread is independently and separately connected with each bottom thread in a pre-determinable sequence of such connection through perforations in the material, with all of said top and bottom threads passing through said perforations, making one stitch line. The top threads can be intertwined, as can the bottom threads. A process for producing a multi-thread single-line shuttle stitch line, where at least three threads are involved to form said stitch line, with a stitch of said stitch line being formed by connecting a top thread with a bottom thread by cooperation of a needle and a shuttle, and a desired number of said needles with said top threads and a desired number of said shuttles with said bottom threads being used, with only one of said needles and one of said shuttles cooperating at a time, forming a current couple; with any of said needles forming said current couple with any of said shuttles in a desired sequence. Thus, a high degree of variability in the sequence of connecting the top and bottom threads allows for a flexible transformation of the structure of the stitch line in the process of its production. Needles are fixed to a revolver with needle bars located along the periphery of said revolver and oriented along the rotation axis of said revolver, and equipped with a device, which provides for the enabling of said current couple; shuttles are fixed to another revolver with said shuttles located along the periphery of said revolver, and are equipped with a device, which provides for the enabling said current couple.

1 . A multi-thread single-line shuttle stitch line, consisting of at least three threads, where each top thread is independently and separately connected with each bottom thread in a pre-determinable sequence through perforations in the material, with all of said top and bottom threads passing through said perforations to make one stitch line. 
     
     
         2 . A multi-thread single-line shuttle stitch line, as claimed in  claim 1 , where said top threads are intertwined. 
     
     
         3 . A multi-thread single-line shuttle stitch line, as claimed in  claim 1 , where said bottom threads are intertwined. 
     
     
         4 . A multi-thread single-line shuttle stitch line, as claimed in  claim 1 , where said top threads are intertwined and said bottom threads are intertwined. 
     
     
         5 . A process for production of a multi-thread single-line shuttle stitch line, where at least three threads are involved to form said stitch line, with a stitch of said stitch line being formed by connecting a top thread with a bottom thread by cooperation of a needle and a shuttle, and each top thread is loaded into its own needle and each bottom thread is loaded into its own shuttle; and the desired number of said needles with said top threads and the desired number of said shuttles with said bottom threads are used to form said stitch line, and only one of said needles and one of said shuttles cooperate at a time, forming a current couple; and any of said needles form said current couple with any of said shuttles in a desired sequence. 
     
     
         6 . A process for production of a multi-thread single-line shuttle stitch line, as claimed in  claim 5 , where the desired sequence is determined by the required structure of said stitch line, and said stitch line is formed by a desired number of cycles, where each cycle is the operation of said current couple, with each cycle consisting of the following steps:
 (a) bringing said current couple into operating position for said cycle;   (b) passing of said top thread through material to be sewn by said needle;   (c) engaging said top thread by said shuttle;   (d) throwing off said top thread onto said bottom thread;   (e) extracting said needle out of said material and forming said stitch by simultaneous tightening said top thread and said bottom thread; and   (f) disabling said current couple and enabling a following predetermined current couple.   
     
     
         7 . A process for production of a multi-thread single-line shuttle stitch line, as claimed in  claim 6 , where the cooperation of said needles and shuttles is provided by a needle unit and a shuttle unit. 
     
     
         8 . A process for production of a multi-thread single-line shuttle stitch line, as claimed in  claim 7 , where said needle unit is comprised of a needle revolver with needle bars located along the periphery of said needle revolver and oriented along the rotation axis of said needle revolver, and equipped with a device, which provides for the enabling of said current couple; said shuttle unit is comprised of a shuttle revolver with said shuttles located along the periphery of the shuttle revolver and equipped with a device, which provides for enabling said current couple. 
     
     
         9 . A process for production of a multi-thread single-line shuttle stitch line, as claimed in  claim 8 , where said needle revolver is comprised of several needle modules. 
     
     
         10 . A process for production of a multi-thread single-line shuttle stitch line, as claimed in  claim 9 , where said needle module consists of a housing, enclosing a needle bar, with a thread bobbin and a thread feeder mechanism. 
     
     
         11 . A sewing machine for manufacturing a multi-thread single-line shuttle stitch line, wherein at least three threads are used; said sewing machine basically comprising a means for cooperation of a needle and a shuttle, a desired number of needles with top threads, a desired number of shuttles with bottom threads, a feed mechanism to feed material to be sewn, a drive means to drive said means for cooperation of a needle and a shuttle, and the feed mechanism, and further including a means for synchronization thereof; said sewing machine providing for the conjoining of said threads at the material perforation points in a pre-determinable sequence, which sequence is variable along the stitch line, and which sequence is obtained by utilizing a pre-determinable sequencing program for conjoining the threads, with only one of said needles and one of said shuttles cooperating at a time, forming a current couple; and any of said needles forming said current couple with any of said shuttles in a desired sequence. 
     
     
         12 . A sewing machine for manufacturing a multi-thread single-line shuttle stitch line, as claimed in  claim 11 , where said means for cooperation of said needles and shuttles are a needle unit and a shuttle unit. 
     
     
         13 . A sewing machine for manufacturing a multi-thread single-line shuttle stitch line, as claimed in  claim 12 , where said needle unit is comprised of a needle revolver with needle bars located along the periphery of said needle revolver and oriented along the rotation axis of said needle revolver, and equipped with a device, which provides for the enabling of said current couple; said shuttle unit is comprised of a shuttle revolver with said shuttles located along the periphery of the shuttle revolver and equipped with a device, which provides for enabling said current couple. 
     
     
         14 . A sewing machine for manufacturing a multi-thread single-line shuttle stitch line, as claimed in  claim 13 , where said needle revolver is comprised of needle modules. 
     
     
         15 . A sewing machine for manufacturing a multi-thread single-line shuttle stitch line, as claimed in  claim 14 , where said needle module is comprised of a housing, enclosing a needle bar, with a thread bobbin and a thread feeder mechanism.