Abstract:
A thread gripping device, for gripping elastic thin thread, in a circular knitting machines, having a supporting element that supports thread guides proximate to a drop or feed, above the needle cylinder and proximate to the needle work area, and bearing at least one elastic lamina element and a thread locking lever pivoted to the supporting element and to rotate scissor-like to catch the thread with a grip portion between the locking lever and the elastic lamina element. The thread gripping region of the locking lever is made of a material with higher friction coefficient, than the remaining part of the locking lever.
Abstract:
A method for manufacturing a dressing item such as an undershirt, body suit or the like with a circular knitting machine, and an item obtained thereby, the method comprising: at least one first step, during which an annular border is formed which constitutes the neck of the item; at least one second step, during which a first tubular portion of knitting is formed starting from the annular border; at least one third step, during which a second tubular portion of knitting is formed to continue the first tubular portion of knitting; and a fourth step, during which a completion portion of the item is formed. The annular border is formed by at least one prestretched elastic yarn and/or by using a limited number of needles with respect to the number used to form the first tubular portion of knitting and/or the second tubular portion of knitting, so as to obtain an item with a neck having a smaller diameter than the remaining part of the item and without seams in the shoulder region.
Abstract:
A single-cylinder circular machine for knitting, hosiery or the like, with a device for actuating the cutter mounted on the dial comprises: a needle cylinder, which can be rotationally actuated about its own axis; a dial, which is arranged above the needle cylinder and is supported so that it can rotate about its own axis; and a cutter for cutting the yarns, which is mounted coaxially on the dial and is provided with cutting teeth arranged around its own axis. The machine has a device which comprises an actuation for the cutter with a rotary motion about its own axis with a rotation rate which can be diversified from the rotation rate of the needle cylinder, in order to vary the length of the trailing portion of yarn that lies between the last needle of the machine taking up the yarn and the blade cooperating with the cutter in cutting the yarn.
Abstract:
A hook for single-cylinder circular knitting or stocking machines with cylinder and circular or semicircular plate. The hook comprises an elongated and flat hook body which has a claw-shaped longitudinal tip. The hook also comprises an elastic-lamina element which is associated with a lateral face of the hook body and has a claw-shaped tip which faces the claw-shaped tip of the hook body. A passage is formed between the lamina element and the hook body and is suitable to be crossed by a needle of the knitting or stocking machine; the claw-shaped tip of the lamina element can flex elastically towards and away from the hook body, respectively to close the claw-shaped tip of the hook body and to allow the extraction of the needle inserted in the passage towards the claw-shaped tip of the hook body.
Abstract:
A method for producing tubular components, particularly for manufacturing hosiery or other items of clothing with a shaping effect by using circular knitting or hosiery-making machines, and a tubular component obtained with the method. The method consists in forming, during the production of the tubular component, certain portions of rows of knitting, for some rows, with a greater loop length than the preceding rows, the subsequent rows, and the remaining portions of the rows themselves, in order to form at least one lateral pouch along the extension of the tubular component.
Abstract:
In a first step of the method for manufacturing socks with a single-cylinder circular knitting machine a needle cylinder is oscillated about its own axis with an oscillation angle of about 180.degree. to move half of the needle cylinder that faces a half-platen such that it passes in front of a feed of the machine. During these oscillations, engagement elements are extracted radially from the half-platen towards the needles of the machine, at least one thread dispensed at the feed, and lifting to the knitting position, at each oscillation, 1/n uniformly spaced needles of the mentioned half of the needle cylinder, varying the needles that are moved into the knitting position in the subsequent oscillation or oscillations, and lowering the needles after engaging the thread or threads, which rests on the engagement elements. A second step is then performed, during which the engagement elements are retracted towards the half-platen, retaining the thread or threads that rest thereon. During a third step, heel knitting is performed with the needles of the above-mentioned half of the needle cylinder. During a fourth step, the half-platen is overturned about the diametrical axis such that it faces the other half of the needle cylinder. In a fifth step, the threads previously retained by the engagement elements are passed to the needles of the other half of the needle cylinder. Finally, the machine is actuated for normal operation so as to complete the product.
Abstract:
The machine is provided with casting-off sinkers having two casting-off surfaces which are mutually spaced in a direction which is parallel to the axis of the needle cylinder to form toweling stitches. The machine has auxiliary jacks which are accommodated in axial grooves of a needle cylinder and can move, when actuated, along these grooves parallel to the axis of the needle cylinder so as to act, with their upper end, on the casting-off sinkers to move them in a direction which is radial to the needle cylinder from a rearward position, in which they receive two threads engaged by the contiguous needles on a same one of the two casting-off surfaces, forming two loops of knitting of equal length, to an advanced position in the direction of the axis of the needle cylinder, in which they receive the two threads engaged by the contiguous needles respectively on one of the casting-off surfaces and on the other casting-off surface so as to form two loops having mutually different lengths, i.e. toweling stitches.
Abstract:
The thread guide structure for double-cylinder circular knitting machines comprises a thread guide body which has an elongated configuration and has, proximate to one of its longitudinal ends, a thread dispensing passage. The thread guide body has a first part and a second part which are mutually articulated proximate to an intermediate region of the thread guide body. The first part, which is provided with the thread dispensing passage, is oscillatable with respect to the second part about an oscillation axis which is arranged transversely to the longitudinal extension of the thread guide body.
Abstract:
The process consists in producing a body of knitting having a substantially tubular extension, with portions which are to be removed and a remaining part. The remaining part is knitted with a plurality of threads. The portions which are to be removed are knitted with fewer threads than the remaining part.
Abstract:
A knitwork drawing device which has a hollow piston rod movable axially through one of the needle cylinders in a double cylinder circular knitting machine, and a knitwork retaining member arranged at the height of the stitch-formation area and rotatable with the needle cylinders. The hollow piston rod is secured to a fluid-operated piston slidable in a cylindrical chamber coaxial with the needle cylinders. Tensioning of the knitwork is effected by leaving the hollow piston rod to rest on the knitwork being knitted, which is held at its initial portion by the retaining member internally of the hollow piston rod and by the needles which continue to knit externally of the hollow piston rod. The whole stroke of the piston and hollow piston rod is thus the half of the whole length of the knitwork and the axial dimension of the knitting machine is considerably reduced.