Abstract: A medium- or large-diameter single-cylinder circular knitting machine with a radially compact sinker ring, comprising a needle cylinder that has a vertical axis and a sinker ring that is connected coaxially to the needle cylinder proximate to the upper end of the needle cylinder. The sinker ring has a plurality of radial slots, each of which accommodates at least one sinker, the sinker ring being arranged inside the radial dimensions of the needle cylinder and the sinkers being shaped so that their beak is directed toward the axis of the needle cylinder.

Abstract: A method for collecting the fabric (4) produced by the cylinder (3) of a circular knitting machine, comprising at least the steps of taking down said fabric (4), cutting and collecting it, in which the fabric is cut along a predefined cutting trajectory inclined with respect to the rotation axis (“X”) of the cylinder (3). The cutting means (10) are actuated in rotation at a speed differing from the speed of the cylinder (3) of the knitting machine. It is further provided for a circular knitting machine comprising a cylinder (3) turning around a central rotation axis (“X”) so as to produce a tubular fabric (4), a take-down and collecting assembly (6) engaging the fabric (4) on the opposite side with respect to the cylinder and equipped with cutting means (10). Said cutting means can be actuated in rotation around the central rotation axis (“X”) at an angular speed differing from the speed of the cylinder (3).

Abstract: A machine for transferring automatically tubular manufactured items for manufacturing men's socks, comprising a station (S1) for loading automatically tubular items (1) arranged on a longitudinal axis thereof, a station (S2) for positioning the items in a direction parallel to the longitudinal axis thereof, a station (S3) for orienting angularly the items with respect to a rotation axis parallel to the longitudinal axis thereof, and a station (S4) for transferring along a transfer line (T) the oriented items, in which the transfer station comprises a first and at least one second leading means for aligning a portion of the tubular items (1), in which both leading means are arranged one after the other along the transfer line (T) of the items and are separated by a non-controlled section of said line, in order to correct in the second guiding means possible errors of insertion of the item into said first leading means.

Abstract: A method for producing intarsia designs with a circular knitting machine, comprising correlating needle sets for producing regions of design in different colors threads, with respective feeds of the machine, moving for knitting the needles of each needle set at the corresponding feed by alternating rotary actuation of the needle cylinder, with an oscillation sufficient to produce transit of the needles of each set of needles at the corresponding feed, forming knitting both in forward and return rotations of the needle cylinder, and moving needles located at ends of each needle set to knit both at the feed correlated with its needle set and with the contiguous needle set.

Abstract: This invention concerns a control device of the dial in a circular hosiery and knitting machine that comprises a cylinder powered by a motor contrivance, a drive shaft (11) powered by a motor contrivance, and a dial (12) keyed to a shaft (13) made to turn by the drive shaft (11) by means of a transmission. This transmission comprises a toothed belt (16), that mated with the toothed wheels (14,15) keyed respectively to the drive shaft (11) and the driven shaft (13), and the rollers or guide pulleys (17, 18) associated with the toothed belt (16), which move independently to adjust the tautness of the toothed belt and together to create a movement of the belt involving an angular phase shift between the dial and cylinder.

Abstract: A circular knitting machine, comprising a footing with a vertically rotatable needle cylinder with a diameter comprised between 7 and 24 inches, and multiple axial needle accommodation slots; an actuation for actuating the needles, during rotation of the needle cylinder to form knitting with at least one yarn dispensed to the needles at at least one drop or feed of the machine. The needle cylinder is rotatable about the axis in both directions of rotation and the needle actuator allows the needles to form knitting in both directions of rotation of the needle cylinder at at least one drop or feed of the machine.

Abstract: A sinker selection device in a circular knitting machine, comprising for each radial slot of the sinker ring in which sinkers are accommodated, a selector facing the end of the corresponding radial slot directed away from the axis of the sinker ring, the selector being oscillatable on a radial plane with respect to the sinker ring to pass from active to inactive positions, and connected to the corresponding sinker, arranged in the corresponding radial slot, to induce different actuation of the corresponding sinker along the corresponding radial slot, depending on whether the selector is in the inactive position or in the active position. A selection actuator is provided which laterally faces the sinker ring and can engage on command the selector for transfer from inactive to active positions.

Abstract: A device for varying stitch tightness for hosiery knitting machines, particularly for circular knitting machines, which comprises a movement adjuster connected to a slider that can slide in the cam box of the machine and supports a knockover cam of the machine. The movement adjuster comprises an actuator, connected to an adjustment cam and actuatable so as to turn the adjustment cam about its own axis through preset angles. The adjustment cam has a single external active profile, two cam followers being arranged on the slider to make contact with the active profile of the adjustment cam in two spaced points and cooperate in determining a bilateral coupling with the adjustment cam.

Abstract: A circular knitting machine for hosiery or the like, with a device for actuating the knockover sinkers, comprising a sinker cover, arranged in an upward region and coaxially to the sinker ring and supporting at least one cam and one complementary cam arranged outside the cam with respect to the cylinder axis, the cam and the complementary cam forming path portions running around the cylinder axis engageable by a heel of the knockover sinkers to actuate movement thereof along a radial direction, a first actuation varying angular position of the sinker cover, and a second actuation varying movement of the complementary cam.

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 device for keeping clean the regions of textile machines that are in contact with feed threads, particularly for hosiery knitting machines or the like, comprising a housing that delimits a space around a region where the thread makes contact with a supporting and/or guiding and/or braking element arranged along the path followed by the thread from the spool to a thread guide of the machine, where dust is generated and/or accumulates, and an aspirator device which is connected to such space.

Abstract: A device for precise placement of the toe of a hosiery item during automated insertion in the conveyor of a sewing machine for closing the toe, composed of two laminas arranged side by side on a substantially horizontal plane so as to form therebetween a passage for a portion of the hosiery item proximate to the opening of the toe to be closed; the device comprises, proximate to the inlet of the passage, tensioning elements, arranged below the pair of laminas to engage a portion of the toe of the hosiery item, hanging at the toe opening to be closed with two flaps of the opening facing each other and actuated in order to tension the hosiery item downwardly during insertion in the passage.

Abstract: A device for varying stitch tightness for hosiery knitting machines, particularly for circular knitting machines, which comprises a movement adjuster connected to a slider that can slide in the cam box of the machine and supports a knockover cam of the machine. The movement adjuster comprises an actuator, connected to an adjustment cam and actuatable so as to turn the adjustment cam about its own axis through preset angles. The adjustment cam has a single external active profile, two cam followers being arranged on the slider to make contact with the active profile of the adjustment cam in two spaced points and cooperate in determining a bilateral coupling with the adjustment cam.

Abstract: A method for collecting the fabric (4) produced by the cylinder (3) of a circular knitting machine, comprising at least the steps of taking down said fabric (4), cutting and collecting it, in which the fabric is cut along a predefined cutting trajectory inclined with respect to the rotation axis (“X”) of the cylinder (3). The cutting means (10) are actuated in rotation at a speed differing from the speed of the cylinder (3) of the knitting machine. It is further provided for a circular knitting machine comprising a cylinder (3) turning around a central rotation axis (“X”) so as to produce a tubular fabric (4), a take-down and collecting assembly (6) engaging the fabric (4) on the opposite side with respect to the cylinder and equipped with cutting means (10). Said cutting means can be actuated in rotation around the central rotation axis (“X”) at an angular speed differing from the speed of the cylinder (3).

Abstract: An apparatus (1) is provided to control the weight of fabric produced by a textile machine (2), comprising weighting means (11) of every single fabric piece directly associated to the textile machine dedicated to the manufacture of the same. A procedure is also provided to control the weight of the fabric produced by a textile machine comprising a weighting stage of every single fabric wounded or folded, near the textile machine dedicated to the manufacture of said piece, and to apply to every manufactured piece a printed label suitable to provide at least specific data concerning the piece weight.

Abstract: A circular knitting machine for hosiery or the like, with a device for actuating the knockover sinkers, comprising a sinker cover, arranged in an upward region and coaxially to the sinker ring and supporting at least one cam and one complementary cam arranged outside the cam with respect to the cylinder axis, the cam and the complementary cam forming path portions running around the cylinder axis engageable by a heel of the knockover sinkers to actuate movement thereof along a radial direction, a first actuation varying angular position of the sinker cover, and a second actuation varying movement of the complementary cam.

Abstract: A device for gripping thread in circular hosiery knitting machines comprising a supporting element fixable to the structure of the machine supporting the thread guides proximate to a drop or feed, above the needle cylinder and proximate to the needle work area, that bears at least one elastic lamina element and a thread locking lever pivoted to the supporting element and rotatable scissor-like with respect to the elastic lamina element to catch the thread with a grip portion between the locking lever and the elastic lamina element. The thread grip portion of the locking lever has two opposite shoulders that delimit bilaterally movement of the thread toward or away from the axis of the needle cylinder.

Abstract: A sinker selection device in a circular knitting machine, comprising for each radial slot of the sinker ring in which sinkers are accommodated, a selector facing the end of the corresponding radial slot directed away from the axis of the sinker ring, the selector being oscillatable on a radial plane with respect to the sinker ring to pass from active to inactive positions, and connected to the corresponding sinker, arranged in the corresponding radial slot, to induce different actuation of the corresponding sinker along the corresponding radial slot, depending on whether the selector is in the inactive position or in the active position. A selection actuator is provided which laterally faces the sinker ring and can engage on command the selector for transfer from inactive to active positions.

Abstract: A device for gripping thread in circular hosiery knitting machines comprising a supporting element fixable to the structure of the machine supporting the thread guides proximate to a drop or feed, above the needle cylinder and proximate to the needle work area, that bears at least one elastic lamina element and a thread locking lever pivoted to the supporting element and rotatable scissor-like with respect to the elastic lamina element to catch the thread with a grip portion between the locking lever and the elastic lamina element. The thread grip portion of the locking lever has two opposite shoulders that delimit bilaterally movement of the thread toward or away from the axis of the needle cylinder.

Abstract: A sewing method and apparatus, for closing the axial end of a tubular article, such as a hosiery toe, consisting in moving the article along a guiding path, formed by two adjacent laminas faced by a sewing head, in two opposite directions so as to make the article advance with respect to the sewing head during formation of a first stitched seam, retracting the article to return upstream of the sewing head after formation of the first stitched seam, and make the article advance again during formation of the second stitched seam, to close the article by two sewing lines, using a single sewing head.