Abstract:
In a weaving rotor of a multiple longitudinal traversing shed weaving machine a beat-up lamella of a first beating-up comb lies in a plane extending substantially perpendicular to the rotational axis of the rotor and centrally between two beat-up lamellae of a next following beating-up comb. The greater division or pitch of these beat-up lamellae permits a faultless insertion of the weft threads into the lanes or intermediate spaces of the shed-forming combs. Nevertheless, when considered with regard to two subsequent beat-up operations, each weft thread is practically beat-up as if each beating-up comb were equipped with the full number of lamellae.
Abstract:
An apparatus for guiding a weft or filling thread in the shed of a weaving machine, the weft thread being driven by a flowing fluid medium, comprises two lamellae combs which can dip into and out of the warp threads. The lamellae or equivalent plate-like guide elements of the lamellae combs each possess a throughpass opening for guiding the weft thread and a thread exit or outlet opening. When the lamellae are in a position completely immersed in the shed they are interleaved or shoved into one another and form a guide channel for the weft threads, this guide channel being coherent or continuous in the weft insertion direction. Hence, the thread exit or outlet openings are sealed, so that the guide channel also is continuously closed in radial direction. The closed guide channel renders possible, on the one hand, a controlled flight of the weft thread, a reduced energy consumption and driving of the weft thread both by a blowing action and also by a suction action and, on the other hand, can be particularly advantageously employed at a multiple longitudinal traversing shed loom containing a weaving rotor.
Abstract:
A method for producing woven fabrics, especially airbag woven fabrics, while using a multiphase weaving machine in the following steps: weaving a fabric comprised of filament threads in warp and weft on the multiphase weaving machine, whereby a high shrinking type of yarn is used as the warp and an average to low shrinking type of yarn is used as the weft, and finishing the woven fabric by hydroshrinking and/or thermoshrinking.
Abstract:
In accordance with the invention a thread carrying apparatus is proposed with a thread (2) lying in contact with or passing along the thread carrying apparatus with friction in the operating state. The thread carrying apparatus includes excitation means (3) for producing oscillations which reduce the frictional force between the thread (2) and the thread carrying apparatus. In this arrangement a resonator body (4) is provided with the thread (2) lying in contact with or passing along the resonator body with friction in the operating state. The resonator body (4) is designed in such a manner that the excitation means (3) produce resonant structural sound oscillations in the resonator body (4).
Abstract:
Thread guiding element for the guidance of threads, in which a surface of the body (3) of the thread guiding element is provided, at least in the region in which the thread (8) is guided, with a surface coating (5) which has a structure which is formed as a matrix for the reception of a lubricant and/or of a sliding agent.
Abstract:
An arrangement for the holding of a weft thread for a series shed weaving machine has a holder apparatus (11) for the weft thread (4). Two forwarding elements (12, 13) are arranged at both sides of the holder apparatus and are movable relative to the holder apparatus in order to introduce the weft thread. The weft thread (4) extends transversely to the holder apparatus and transversely to the holder apparatus and transversely to the direction of movement of the forwarding elements, into the holder apparatus and furthermore, an apparatus (14) in order to catch and to tension the weft thread. The holder apparatus comprises a thread clamp (15) with a stationary clamping part (17) and a movable clamping part (18) which is under spring action and which forms a clamping gap (27). The weft thread is held in a stretch state by the forwarding elements (12, 13) and the apparatus (14) and is displaceable transversely through the clamping gap. The required clamping force can be set in an advantageous manner through the thread clamp.