Abstract: There is provided a warp knitting machine for diagonally laying warp threads with thread guides that circulate around a continuous pathway. The warp threads are taken from spools located on a fixed creel and are led through a fixed thread feed arrangement located above the circulating path. The frame is rotatable about a perpendicular turning axis in a direction opposite to the direction of rotation of the thread guides. These rotations have the same circuit times. In this way it is possible to provide long time intervals between the stopping times necessary for the replacement of the spools. It also allows the use of many different types of thread material.

Abstract: A weft thread magazine with constant weft thread delivery for a warp knitting machine has spools, from each of which there are led weft threads. These spools are rotatable about their longitudinal axis and are driven at a speed corresponding to the mean weft thread consumption speed. The weft threads are flat, untwisted ribbons which are fed from the spools tangentially. Between the spools and the thread guides there is a thread storage device. This storage device compensates for the continual thread delivery against the periodically changing weft thread consumption. The spools can be driven so that the weft threads are taken from the spool by at least one roller of a delivery apparatus. The roller is driven at a constant rate of rotation.

Abstract: A weft thread insertion magazine in a warp knitting machine has a pair of separated forwarding chains driven by a drive arrangement. These forwarding chains each have equidistant holders for holding transversely placed weft threads. The drive arrangement can provide the forwarding chains with a lower speed than the normal speed at which weft threads are provided to the needles, that is, at a rate less than one thread per needle cycle. In particular the drive shaft of the warp knitting machine may be connected to the forwarding chains by means of a revolution reducing arrangement. A control arrangement regulates the separation of at least the first weft thread from the others following and the presentation of this first one into the vicinity of the knitting needles. This control arrangement comprises either a weft thread presenter, a weft thread deflector or a combination of both. The control mechanism only activates the weft thread presentation or deflection during a portion of the appropriate needle cycle.

Abstract: A warp knitting machine has a weft thread magazine, a substrate providing arrangement and at least one barrier element, preferably a holding down means, on the side of the substrate path opposite the needle bar. The weft thread path runs on the side of the substrate path opposite the side facing the needle bar. There is provided at least one forwarding arrangement which by protruding into the weft thread path separates each first weft thread from the one following and transports the former to the rearward side of the needles. The barrier element has an aperture for the passage therethrough for each forwarding arrangement.

Abstract: There is provided a novel system for increasing the accuracy and delivery speed of weft thread insertion in warp knitting machines. The system includes a novel transport arrangement for providing magazine weft threads proximate to the needle bar and a knockover sinker bar whose knockover sinkers are operable to pass between the needle spaces to grip the weft thread.The system is most suitably employed in a warp knitting machine producing a fabric containing an intermediate layer such as a non-woven fabric overlayed with weft threads. This machine comprises a needle bar, at least one guide bar and an arrangement for providing the intermediate layer between the needles and the guide bar.

Abstract: A knitting needle set for a warp knitting machine has a needle bar and a plurality of hooked needles each of substantially equal length clamped to the needle bar. The plurality of needles each have a hook end and each have at substantially the same distance from its clamping position an insertion opening bordered by the hook end. This insertion opening leads to an interior hook space. The plurality of needles are divisible into at least two groups. The spacing from the zenith of the concave surface of the hook space to the hook end in each of the needles of a given one of the groups differs from that of another one of said groups.

Abstract: A twin needle bed warp knitting machine having a plurality of commonly swingable guidebars of which at least one thereof forms stitches on both needle beds and wherein at least one guidebar performs one underlapping displacement includes means of adjusting the spacing between the needle beds in the knock-over position to less than the width of the flat end portion of the needle guide with the distance therebetween increasing when the needle beds are moved to the lapping position.

Abstract: A mounting arrangement for warp knitting machine elements includes a means for absorbing forces generated during the course of knitting. These forces are transferred to at least two surfaces thereby reducing the size and weight requirements of the working elements permitting the warp knitting machine to operate at higher speeds.