摘要:
Automatic sewing machine installation comprising: a sewing machine having no feed grip for the workpiece, with its table and a motive device for driving its shaft, an advance device adapted to conduct each workpiece that is to be stitched onto the entry edge of the table, a feeder device adapted to take over the workpiece and cause it to advance into the machine under the presser-foot and the needle a driving device for the presserfoot, a thread-cutter and its driving device, a driving device for discharging the stitched workpieces, and means for control of the advance device, feeder device, driving device for the shaft of the machine and for drive of the presser-foot, the threadcutter and the discharging device, adapted to bring about the actuation of the said devices in accordance with the appropriate sequence.
摘要:
A DEVICE USED FOR RECORDING THE WIDTH OF A FABRIC WHICH IS UNROLLING, BY MEASURING THE ALGERAIC DIFFERENCE OF THE INSTANTANEOUS LATERAL SHIFTS OF THE TWO SELF EDGES OF THE FABRIC. THE DEVICE CONSISTS OF A COMBINATION OF THE FOLLOWING PART: A PROXIMITY DETECTOR OF EACH OF THE TWO EDGES OF THE FABRIC, MOVABLE IN A DIRECTION TRANSVERSE TO THAT OF THE UNROLLING OF THE FABRIC, A DEVICE FOR DRIVING THE SHIFTS OF EACH F THE TWO DETECTORS IN RESPONSE TO THE SIGNALS EMITTED BY THIS LATTER SO AS TO MONITOR THE POSITION OF THE SAID DETECTOR CONTINUALLY IN RESPONSE TO THE INSTANTANEOUS POSTION OF THE CORRESPONDING EDGE OF THE FABRIC, A DEVICE FOR MEASURING THE INSTANTANEOUS POSITION OF EACH OF THE TWO DETECTORS, A SYSTEM ADAPTED TO EFFECT THE ALGEBRAIC DIFFERENCE OF THE INSTANTANEOUS SHIFTS OF THE TWO DETECTORS, AND MEANS FOR RECORDING THE SAID DIFFERENCE.
摘要:
The method applicable both to the execution of button-holes and to the execution of pocket-openings primarily consists in preforming the opening with turned-in edges in the bottom piece, in turning-in a braid and inserting said braid together with an auxiliary piece beneath the opening of the bottom piece, in fastening said braid and said auxiliary piece along one edge and at both ends of the pre-formed opening, and also in fastening the other edge of the opening of the bottom piece onto an auxiliary piece.
摘要:
The invention relates to a device for the displacement and alignment of pieces of flexible material in sheet form, more especially of pieces of fabric or plastic material in sheets intended for the manufacture of clothing. The device comprises at least two movable displacement members which are adapted to press against a maintaining member, a portion of a piece that is to be displaced, and which are mounted upon a support so as to be able to describe distinct trajectories, as well as control means adapted to cause each of said movable displacement members to pass from an inactive position where it is remote from said maintaining member to a rear initial position for which it presses the corresponding piece portion against the maintaining member, then, while it is kept in engagement with the said piece portion, to cause it to move forward by carrying this latter along as far as a front arrival position, and finally to move it away from the maintaining member while bringing it back again to its inactive position.
摘要:
A suction gripping apparatus particularly for fibrous material which includes a nozzle one dimension of which is not greater than twice the average diameter of the fibers of the fibrous material, the nozzle being pivoted with coupling means to secure the nozzle to a vacuum source.
摘要:
The machine comprises: a structural frame; a plate for supporting the piece of material with respect to said frame at least along the border to be turned-in; an insetting device adapted to fold at right angles the border to be turned-in by means of a movement in a direction at right angles to said plate; a folding-back device adapted to turn back in a flat position against the support plate the border of the piece of material which has already been folded at right angles, by means of a movement parallel to said plate; and means for displacing the support plate in its own plane in the direction of displacement of the folding-back device in order to free the turned-in piece of material.
摘要:
Device for turning-in the border of pieces made of flexible sheets comprising : means for supporting the piece in such a way that its marginal portion that is to be turned-in finds itself, at least partially, in a predetermined reference plane ; a lateral guide for positioning the border of the said marginal portion ; means for causing the border of the marginal piece portion which finds itself in the said reference plane to advance longitudinally, against the said lateral positioning guide ; a stop whose position, in relation to the lateral guide, determines the width of the turning-in that is to be formed ; a turning mobile member ensuring the formation of the turning-in in cooperation with the said stop ; control means for the turning-in member ; and means for introducing the turned-in marginal portion of the piece into the entry of the machine for fixing the turning-in.