Sinkers Or Web Holders Patents (Class 66/104)
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Patent number: 10718075Abstract: A method for preparing a tubular article, such as a sock or the like, for automated pickup at the end of its forming on a double cylinder circular machine with at least one feed or drop, and to a double cylinder circular machine for the execution thereof. The method in question is executed on a machine with at least one feed or drop (100) and with the needle cylinders (4, 5) actuatable with a rotary motion about their own axes (3) with respect to needle actuation cams, to cams (34) for actuating the knockover sinkers (33) and to the feed or drop (100).Type: GrantFiled: November 4, 2016Date of Patent: July 21, 2020Assignee: Lonati S.P.A.Inventors: Ettore Lonati, Fausto Lonati, Francesco Lonati
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Publication number: 20130098117Abstract: The main objective of the present invention is to provide a sinker that can produce pile loops of different lengths. The sinker has a nib and a belly formed separately on one end thereof. A throat is formed between the nib and the belly. The nib has a bulge formed on a top edge thereof. The throat has a recess formed on a top edge of the belly. With the bulge and the recess, multiple vertical gaps of different lengths are provided. When yarns are placed at different relative positions, pile loops of different lengths are made by the same sinker. Thus, the sinker results in fabrics with variant appearances and good tactile impression.Type: ApplicationFiled: October 8, 2012Publication date: April 25, 2013Inventor: Cheng-Pin Yang
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Patent number: 7895862Abstract: A knitting machine with latch needles and without sinkers comprising, in regions of the needle holder comprised between two contiguous slots which accommodate a corresponding needle, a knitting retention element with a portion forming a stop shoulder for the knitting; the knitting retention element can move on command from a first position, of no interference with the knitting formed, to a second position, of it insertion with the portion between two contiguous needles in a region which faces the knitting forming plane, such as retain the knitting portion lying between two contiguous needles, contrasting the entrainment of the knitting along the needles during extraction motion of the needles from the needle holder to release, onto their shank, the previously formed loop of knitting and/or to engage the yarn delivered at a feed or drop of the machine.Type: GrantFiled: July 3, 2007Date of Patent: March 1, 2011Assignee: Santoni S.p.A.Inventors: Tiberio Lonati, Ettore Lonati, Fausto Lonati
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Patent number: 7757516Abstract: A fabric can be formed by a process comprising providing a knitting needle and providing a sinker. The sinker can include a first end and a nib. The first end and the nib can form a groove for receiving a yarn. The first end in or near the groove can have a first abrasive surface for abrading the yarn during knitting. A knitting needle can have a shank with a first edge and a hook. The knitting needle can have a latch having an outer region. At least a portion of the first edge and at least a portion of the outer region can have a second abrasive surface for abrading a yarn during knitting.Type: GrantFiled: March 11, 2009Date of Patent: July 20, 2010Assignee: HBI Branded Apparel Enterprises, LLCInventor: Michael Starbuck
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Publication number: 20100175428Abstract: A sinkerless knitting machine with latch needles, comprising a needle holder with a plurality of slots on one face, each slot accommodating a needle. Knitting retainers are provided, each with a body composed of at least two side-by-side interconnected laminar elements. At least two laminar elements of each knitting retainer are arranged in a same or in two contiguous slots of the needle holder. At least one of the laminar elements composing a knitting retainer has a retention portion defining a stop shoulder for the knitting. Each knitting retainer can move on command from a first position, in which it does not interfere with the knitting being formed, to a second position, in which it is inserted, with the retention portion, between two contiguous needles, in a region which faces the knitting forming plane, in order to retain the portion of knitting that lies between two contiguous needles.Type: ApplicationFiled: March 27, 2008Publication date: July 15, 2010Applicant: SANTONI S.P.A.Inventors: Ettore Lonati, Tiberio Lonati, Fausto Lonati
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Patent number: 7726156Abstract: Proposed is a sinker (2) provided with a region (23) of reduced thickness on its working part (9). As a result, a clearance space is created on at least one side of the sinker (2). This clearance space makes it possible to reduce the distance between the sinker (2) and the latch needle (3) or to reduce the wear between these two elements. The clearance space furthermore does not change the distance between the sinker and the latch needle on the other side of the sinker. The sinker (2) according to the invention preferably has a clearance space on both sides, so that this sinker can be used in circular knitting machines which are designed for both rotational directions.Type: GrantFiled: November 21, 2007Date of Patent: June 1, 2010Assignee: Groz-Beckert KGInventors: Bob Hagens, Uwe Stingel
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Publication number: 20090314038Abstract: A knitting machine with latch needles and without sinkers comprising, in regions of the needle holder comprised between two contiguous slots which accommodate a corresponding needle, a knitting retention element with a portion forming a stop shoulder for the knitting; the knitting retention element can move on command from a first position, of no interference with the knitting formed, to a second position, of it insertion with the portion between two contiguous needles in a region which faces the knitting forming plane, such as retain the knitting portion lying between two contiguous needles, contrasting the entrainment of the knitting along the needles during extraction motion of the needles from the needle holder to release, onto their shank, the previously formed loop of knitting and/or to engage the yarn delivered at a feed or drop of the machine.Type: ApplicationFiled: July 3, 2007Publication date: December 24, 2009Applicant: SANTONI S.P.A.Inventors: Tiberio Lonati, Ettore Lonati, Fausto Lonati
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Publication number: 20090249836Abstract: A sinker set comprising a coulier sinker (11) and a plush sinker (12). The sinkers (11, 12) can be moved together in a direction transverse to a knitting needle (2). The sinkers have spaced apart edges for the accommodation of stitches. In order to adjust the distance between these edges, the sinkers (11, 12) can be moved relative toward each other in the driving-out direction of the needle. To do so, they have spaced apart guiding edges (17, 18; 27, 29, 30) that are in contact with various support surfaces or guiding surfaces (20, 22; 26, 32, 33).Type: ApplicationFiled: April 7, 2009Publication date: October 8, 2009Applicant: GROZ-BECKERT KGInventor: Uwe Stingel
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Publication number: 20090229311Abstract: Knitted products like slips, panties, trousers and mainly tights are closed in the crotch area (K) with at least a pair of opposed knitted-on elements (1A, 1B, 2A, 3A) passing to the crotch (K). The product can be knitted from the border of the body part via at least a pair of knitted-on elements and up to the knitting of the parts for the legs or you can knit from the parts for legs via at least a pair of knitted-on parts and it is finished with a border in the body part.Type: ApplicationFiled: May 2, 2006Publication date: September 17, 2009Inventor: Marta Obadalova
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Publication number: 20090229310Abstract: [Problems] To reduce the drive power consumption of a circular knitting machine by reducing the contact area of a tool for the knitting machine with the side faces of a thin groove to suppress a rise in temperature and the thermal deformation of the knitting machine by frictional heat. [Means for Solving Problems] A part of the stem (17) of the tool for the circular knitting machine is raised from the bottom face (20) of the thin groove (19) in which the tool for the circular knitting machine is inserted and, at the same time, sunk from the upper end face (21) of the thin groove to form float parts (22, 22A to 22L) extending parallel with the thin groove (19). When a distance (L) between the bottom face and the upper end face of the thin groove (19) is used as a reference, the float part is so formed that its raised length (L1) is 10 to 40% of (L) and its sunk length (L2) is 10 to 40% of (L).Type: ApplicationFiled: November 22, 2005Publication date: September 17, 2009Inventor: Atsumu Abe
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Patent number: 7533546Abstract: A system component (1), such as, for example a knitting machine needle (2), intended for a loop-forming machine has in its foot (8) at least one cutout (14) that is set up to accommodate a section of a holder (17). This holder can be clipped into the cutout in order to hold several such system components in a pre-specified sequence and at a lateral distance and in alignment with respect to each other. The systems components, which are thus temporarily connected to each other, can be handled as a unit and, in this manner, can be removed from the bed (5), can be treated, for example be cleaned, and can be replaced in the same sequence and alignment in the bed (5).Type: GrantFiled: February 1, 2007Date of Patent: May 19, 2009Assignee: Groz-Beckert KGInventor: Uwe Stingel
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Publication number: 20080034805Abstract: There are provided a movable sinker apparatus of a weft knitting machine and a sinker which are capable of holding and pressing down a knitting yarn of a previous loop and sufficiently pulling down a knitting fabric. At forward positions of the sinkers, second protruding portions are close to each other, and thus a knitting fabric can be sandwiched therebetween. When the front and rear needle beds are faced each other so as to be symmetric at the needle bed gap, the forces of the wire springs are applied so as to pull down the knitting fabric in the vertical direction. A knitting yarn receiving portion is formed on a first protruding portion of the front end portion on the sinker, and thus it is possible to retain a knitting yarn of a previous loop and prevent the knitting yarn from moving as the knitting needle moves forward.Type: ApplicationFiled: March 29, 2005Publication date: February 14, 2008Inventor: Masaki Miyamoto
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Patent number: 7055347Abstract: A module for textile machines has a plurality of tools (2) with retention portions (6). The retention portions are grasped in a plastic body (7), which reaches out or embraces the retention portions (6) at one or more recesses (15, 27, 28). The plastic body serves to fix the tools (2) positionally correctly with respect to one another. The positioning of the tools (2) with respective to a dividing sinker (11), however, is effected by direct contact between the retention portions (6) and the dividing sinker (11). By filling the gaplike interstices, which exist between the retention portions, with plastic, a compact yet lightweight retention region (4) for the module (1) is obtained.Type: GrantFiled: May 24, 2003Date of Patent: June 6, 2006Assignee: Groz-Beckert KGInventors: Johannes Bruske, Stefan Danner, Walter Kettlitz, Norbert Scholz
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Patent number: 6854294Abstract: A knitting machine and a method to be accomplished on said machine are described, which are suitable for the production of knitwear from hard, inelastic thread material, e.g. from metal threads. According to the invention, at knitting systems (8a, 8b) provided for this purpose, knitting needles (2) are raised to pick up threads, which are then preformed over the upper edges of knocking-over/holding-down sinkers (3) to form loops. Thereafter the stitch formation takes place by needle and sinker movements directed in opposite directions in the manner of the relative technique.Type: GrantFiled: April 5, 2004Date of Patent: February 15, 2005Assignee: SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbHInventors: Rolf Willmer, Hermann Stauss
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Patent number: 6848279Abstract: A selection element (16) is movably seated in a system element, for example a needle (1). As an assembly aid for temporary fixation, a material-to-material connection in the form of an adhesive, lacquer, a laser weld spot or a thin strip of material is provided on at least one connecting point (34), which breaks or is dissolved in the course of first use.Type: GrantFiled: September 27, 2002Date of Patent: February 1, 2005Assignee: Groz-Beckert KGInventor: Eckhard Fehrenbacher
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Publication number: 20030061838Abstract: The invention concerns a method of producing a knit fabric which is patterned and at least partially plated, on a circular machine equipped with a cylinder with needles (12) and sinkers (14), comprising the use of a first strand and a second strand (A, B) which are different at least in colour and which are fed to the needles through the sinkers, and the positioning of the strands through selection and a programmed longitudinal movement of the sinkers in such a way as to arrange alternately, one or other of the two strands on the reverse side and face side of the resulting knit fabric, without cutting the strands, creating patterns which are different in colour at least, in the fabric areas in which there is, on the face side or in view, one or other of the strands. This method can be used both for the production of smooth plated fabric and for the production of fabric which is part terry and part plated.Type: ApplicationFiled: September 26, 2002Publication date: April 3, 2003Inventor: Fulvio Sangiacomo
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Patent number: 6484541Abstract: The invention relates to a sinker segment (1) for a textile loop. The sinker segment comprises a multitude of loop-forming elements (10) which are arranged in an equidistant manner, are aligned parallel, are joined in the area of a bottom section (12) by one or more strands (20) of a curable adhesive, and which can be directly fastened to the textile loop.Type: GrantFiled: June 6, 2001Date of Patent: November 26, 2002Assignee: Hugo Kern und Liebers GmbH & Co. Platinen und FedernfabrikInventor: Gerd Haag
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Publication number: 20010025513Abstract: A sinker (50) for a knitting machine operating according to the relative technique is described. The sinker (50) contains a front (32), a back (33), a head (34) arranged on one end and having a sinker throat (35) and a knock-over edge (36), a control butt (38) intended to make possible movements in a longitudinal direction (v) and protruding from the front (32), and at least one rocking element (39, 40) designed to make possible pivot movements transverse to the longitudinal direction (v) and provided on the front (32). According to the invention, the sinker (50) also has a spring element (41) intended to compensate for manufacturing inaccuracies, acting transverse to the longitudinal direction (v) (FIG. 4). A knitting machine equipped with such a sinker (50) is also described.Type: ApplicationFiled: March 20, 2001Publication date: October 4, 2001Inventors: Hans-Martin Eppler, Dietmar Traenkle
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Patent number: 6176107Abstract: A readily replaceable restricting member is within an annular receiving channel that is defined by a cylindrical portion of a circular knitting machine, and the restricting member is operative to restrict at least upward or downward movement of the sinkers of the circular knitting machine. The sinkers are operative for reciprocating radially relative to the cylindrical portion and the restricting member such that sliding contact is defined between the sinkers and the biased restricting member. In accordance with several of the embodiments of the present invention, each of the sinkers comprises an upper nib and a lower nib, a radially extending slot is defined between the upper nib and the lower nib, and the slot is open at the leading edge of the sinker.Type: GrantFiled: May 27, 1999Date of Patent: January 23, 2001Assignee: Monarch Knitting Machinery Corp.Inventors: Bruce M. Pernick, Philip Renda, Alan Gutschmit
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Patent number: 6119489Abstract: A knitting machine part which is resistant to abrasion caused by knitting a yarn of cut-resistant fiber contains: (i) a base substrate having at least one yarn-contacting region for contacting the yarn during the knitting process, and (ii) a coating disposed on the surface of the base substrate on at least the yarn-contacting region of the base substrate, wherein the coating contains titanium carbonitride having a carbon-to-nitrogen weight ratio of from about 1:4 to 4:1, preferably from about 1:1.5 to 1.5:1, most preferably about 1:1. The knitting machine part is preferably a knitting needle or a sinker. The cut-resistant yarn is preferably composed of at least one cut-resistant fiber formed from a fiber-forming polymer and a hard filler having a Mohs Hardness value of at least about 3, the hard filler being distributed in the fiber-forming polymer.Type: GrantFiled: August 31, 1998Date of Patent: September 19, 2000Assignee: HNA Holdings, Inc.Inventors: Robert E. Roschen, Herman Leslie Lanieve, Scott W. Thompson
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Patent number: 6092396Abstract: A knitting machine has a needle bed, a plurality of needles, plates arranged between the needles, each of the plates having a front operational part provided with edges engaging in a loop forming region and displaceable about an axis extending along the needle bed between a front position and a rear position, and a shaft part arranged substantially parallel to the needles and longitudinally displaceable for driving the plates, the operational part and the shaft part being connected by an elastic springy web to form a one-piece element.Type: GrantFiled: June 10, 1998Date of Patent: July 25, 2000Assignee: H. Stoll GmbH & Co.Inventors: Franz Schmid, Martin Wornle
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Patent number: 6082142Abstract: A control plate (17) for selecting and controlling knitting movements of tools in a knitting machine driven by the relative movements of the plate support (11) and a cam support (12), in which the control plate can be forced into an engagement position of a drive output foot (61) of the control plate with an output drive edge of an output drive component (73) to transmit the deflection drive by the action of a minimum pre-tension of an extended rod-shaped control spring (37), the free end of which is supported to slide on the base of a guide groove (16) accepting the control plate, is constructed as a one-piece spring steel component to simplify manufacture and increase its wear resistance, in which its width (h) measured perpendicularly to the neutral elastic line (54) of the control spring (37) at the base side of the spring at which it bears on the basic body (18) of the plate is greater than at the free end (48) of the spring by which the spring is supported on the base (25) of its guide groove (16), wherType: GrantFiled: June 11, 1998Date of Patent: July 4, 2000Assignee: Hans Ruster GmbH & Co.Inventor: Claus Kowitz
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Patent number: 5884505Abstract: Stitch loops are securely pressed down and retained. The pressing and retaining position of the loop presser is properly adjusted according to the tension in the stitch loops. The loop presser 460 of a flat knitting machine is stored in a groove 445 of an auxiliary bed, and the loop retainer 462 is energized downward by an arm 465 and a cam 422. The loop retainer is swung downward by the cam 422 when it is advanced, and the retainer is swung back to the initial position when it is retracted. The top end of the loop retainer 462 is made to move forward to and over the opposing needle bed.Type: GrantFiled: July 23, 1998Date of Patent: March 23, 1999Assignee: Shima Seiki Manufacturing, Ltd.Inventor: Masahiro Shima
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Patent number: 5791162Abstract: The invention relates to a method, a knitting machine and sinkers (1, 2) for producing plush fabrics. The method is distinguished in that core and plush thread loops (48, 54) are preformed on selected sinker edges and are transferred prior to the actual stitch formation from these sinker edges to other preselected sinker edges by simple displacement of the sinkers (1, 2). For this purpose the knitting machine has first and second sinkers (1, 2), wherein the second sinkers (2) are provided with oblique faces (15). These are used, in the course of the transfer of the core thread loops (48) by means of retracting the first sinkers (1) and simultaneous advancement of the second sinkers (2), to act on the core thread loops (48) in such a way that the latter are securely enclosed in the slits of the first sinkers (1) when these are again advanced (FIG. 10).Type: GrantFiled: February 12, 1996Date of Patent: August 11, 1998Assignee: SIPRA Patententwicklungs- u. Beteiligungsgesellschaft mbHInventor: Ernst-Dieter Plath
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Patent number: 5642632Abstract: In knitting parts (a jacquard guide needle, a guide, a needle, a tongue, a sinker, a separator, etc.), each having a portion which is brought into contact with a knitting yarn when fitted to a knitting machine to perform knitting, the surface of a portion of a metallic part base material (10) thereof is coated with a compound plating layer (12) made of a non-electrolytic nickel alloy plating layer including minute silicon particles dispersed therein, each of the silicon particles being coated with a hard carbon film. As a result, it is possible to improve the durability of the knitting parts similarly to those in which the surface of the part base material is coated with the hard carbon film and moreover remarkably reduce the processing cost.Type: GrantFiled: August 11, 1995Date of Patent: July 1, 1997Assignee: Citizen Watch Co., Ltd.Inventors: Takanori Nanya, Nobuyuki Yoshino
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Patent number: 5564291Abstract: A circular knitting machine sinker duct improvement apparatus to prevent lint accumulation. The apparatus comprises a multitude of flat, long, inter-alternated cleaning holes along the sinker ducts of the circular knitting machine. The front and two sides of the sinker plates include indented concave arches to form sharp edges, and one side of the sinker is adjacent to a high pressure air nozzle. The apparatus permits two actions by which accumulated lint is dispensed from the knitting machine, and avoids shutting down the knitting machine to clean lint. Additionally, when the knitting machine is stopped, the lint may be cleaned through cleaning holes without requiring disassembly of the knitting machine.Type: GrantFiled: May 11, 1995Date of Patent: October 15, 1996Inventor: Ji-Tsair Tsai
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Patent number: 5511393Abstract: A sinker system for a knitting machine, including a sinker plate holder having a master sinker slot and an auxiliary sinker slot; a master sinker having a throat, a nose, a flank, and a sinker butt; a face-loop sinker of size fitting the master sinker slot and having the nose divided into the upper nose and the lower nose by a parting rod; a reverse-loop sinker of configuration fitting the face-loop sinker with the upper throat shallower than that of the face-loop sinker; and a jacquard sinker having a stepped nose; and wherein a face-loop fabric can be obtained by matching the master sinker with the face-loop sinker and reciprocating them in the master sinker slot and auxiliary sinker slot on the sinker plate holder respectively; a reverse-loop fabric can be obtained by matching the master sinker with the reverse-loop sinker and reciprocating them in the master sinker slot and the auxiliary sinker slot on the sinker plate holder respectively; a face-loop jacquard fabric can be obtained by matching the jacquaType: GrantFiled: February 22, 1995Date of Patent: April 30, 1996Inventor: Chao-San Hu
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Patent number: 5501085Abstract: A fabric holding-down sinker for a double knit machine to stop the knitted fabric from being lifted during the raising stitch of the cylinder needles. A series of such presser sinkers are reciprocated radially relative to the cylinder needles, each presser sinker having a projecting sinker head horizontally disposed at a front end. The projecting sinker head is moved to a front limit position spaced above a topmost edge of a fabric formation surface of the knitting machine at a distance equal to the thickness of the fabric being knitted during the raising stitch of the respective cylinder needle, preventing the knitted fabric from being lifted by the cylinder needles.Type: GrantFiled: October 18, 1994Date of Patent: March 26, 1996Assignee: Pai Lung Machinery Mill Co., Ltd.Inventor: Wan-Yih Chen
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Patent number: 5279133Abstract: The invention concerns a circular knitting machine for making plush fabric. The circular knitting machine has a needle cylinder fitted with knitting needles, a sinker ring fitted with sinkers, wherein the sinkers have edges adapted to handle a ground yarn and a plush yarn, and at least one knitting system. For independent adjustment to the stitch size and the plush yarn loops, a cylinder cam section has an adjustable cam part which serves to adjust the length of the plush yarn loops. A cam part independent therefrom and also adjustable serves to adjust the stitch size. This cam part can be arranged either in the sinker cam or the cylinder cam.Type: GrantFiled: August 27, 1992Date of Patent: January 18, 1994Assignee: SIPRA Patententwicklungs-und Beteiligungsgesellschaft mbHInventor: Ernst-Dieter Plath
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Patent number: 5239843Abstract: For the production of plush knitted goods containing stitches made from main and plush threads, main threads and plush threads are fed to hooks and sinkers, at least the plush threads are pre-formed to plush thread loops by drawing back the knitting tools from a plush thread receiving position into an intermediate position and by, in so doing, drawing and holding taut the plush threads over associated ones of the sinkers, then stitches are formed with the main threads and plush thread loops by drawing back the knitting tools farther into a knocking-over position and by, in doing so, controlling the sinkers in such a way that the pre-formed plush thread loops are held in taut during the stitch formation and that the risk of shortening or undoing of pre-formed plush thread loops during such stitch formation is greatly diminished.Type: GrantFiled: October 11, 1991Date of Patent: August 31, 1993Assignee: Sipra Patententwicklungs- und Beteiligungsgesellschaft mbHInventors: Ernst-Dieter Plath, Paul Neher, Gero Schindler
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Patent number: 5163305Abstract: The machine has needles accommodated in grooves defined in a needle-holder element. The needles are controllably movable along the related groove from an extraction position, in which the tip of the needles protrudes from the related groove to grip at least one thread fed by a thread guide, to a retracted position, in which the tip of the needles is retracted in the related groove to form a loop of knitting with the engaged thread, and vice versa. A plurality of sinkers are arranged alternated with the needles, each sinker being arranged laterally to a needle. Each of the sinkers has an end which is located proximate to the tip of the related needle in retracted position and has a tip directed toward the bottom of the related groove and curved toward the related needle. Actuation elements act on each sinker to insert their tip in the loop being formed on the related needle proximate to the retracted-position.Type: GrantFiled: September 24, 1990Date of Patent: November 17, 1992Assignee: MEC-MOR S.r.l.Inventor: Riccardo Tenconi
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Patent number: 5138849Abstract: In a flat knitting machine with adjustable sinkers (33), these sinkers are in each case arranged between a needle (43) and a fixed loop-forming web (31) of a needle bed (42) and designed in such a way that they can cooperate with the loop-forming webs (31) forming a draw edge when newly-formed loops are knocked over.Type: GrantFiled: October 29, 1990Date of Patent: August 18, 1992Assignee: H. Stoll GmbH & Co.Inventors: Thomas Stoll, Wolfgang Rempp, Fritz Walter, Eugen Staiger, Hans Trissler
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Patent number: 5134865Abstract: A sinker mechanism which includes multiple knitting needles placed in parallel above a needle bed with each sinker being mounted so that it can rock up and down so that its tip descends between adjacent knitting needles. A yarn-catching hook is provided at one sinker end; downward pressure is applied by a spring that can be removed from and replaced into the sinker so the yarn-catching hook will drop between adjacent knitting needles, and this downward force is adjustable so the yarn-catching hook's position is a function of the tension in the yarn it is holding. The sinker is located in the cut-out portion of the needle plate with the capability to rock up and down so that its back end can be linked to the end of the needle plate, and that the plate and is configured so that an arm projects to touch the rear cam.Type: GrantFiled: December 26, 1990Date of Patent: August 4, 1992Assignee: Shima Seiki Mfg., Ltd.Inventors: Masahiro Shima, Masahiro Yabuta
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Patent number: 5095720Abstract: Methods for circular weft knitting of variegated articles and selectively programmable circular weft knitting machine apparatus for carrying out such methods including means for effecting selective, controlled two dimensional displacement of compound needle member components and associated sinker elements so as to provide each such needle member with the selectable capability of performing a knit, tuck or float operation at each yarn feed location independent of the direction of knitting needle approach thereto.Type: GrantFiled: June 14, 1990Date of Patent: March 17, 1992Assignee: Annedeen Hosiery Mill, Inc.Inventor: E. C. Tibbals, Jr.
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Patent number: 5020340Abstract: The articles are formed on individual arcs of needles (13, 15) facing each other on the two bars of the cylinder (11) and of the plate (10), the articles having rows formed partly by the needles of one bar and partly by the needles of the other bar, and having two successive yarn feeds (344, 345); means for guiding and switching (458, 459) the position of the two yarns supply them to the needles at two angles and exchange their positions at each reversal of the entrainment thereof by the selective entraining means comprising pairs of hooks (342, 343; 349, 350) carried by two counter-rotating apparatuses (26; 32).Type: GrantFiled: March 5, 1990Date of Patent: June 4, 1991Assignee: Lambda S.r.l.Inventors: Franco Gariboldi, Paolo Conti
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Patent number: 4941332Abstract: A selectively shaped sinker element for two dimensional displacement in a circular weft knitting machine that includes a curved planar body portion terminating in a multilanded point at one end and a cam butt bearing cross arm at the second terminal end thereof.Type: GrantFiled: August 5, 1988Date of Patent: July 17, 1990Inventor: E. C. Tibbals, Jr.
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Patent number: 4920767Abstract: A circular knitting machine has at least one needle carrier, and a plurality of slide needles having a head portion with a head and a slide portion with a tip. Sinkers cooperate with the slide needles, a plurality of knitting systems are arranged along the needle carrier, and a control is provided at the knitting systems for causing relative movements of the needle portions, the slide portions, and the sinkers for performing knitting, tacking and running-through operations. The control includes at each of the knitting systems a sinker cam curve for controlling the sinkers, a slide portion cam curve for controlling the slide portions, and a head portion cam curve for controlling the head portions. The slide portion cam curves have portions for raising and lowering the slide portions in a same manner irrespective of performance of knitting, tucking, or non-knitting operation of the systems.Type: GrantFiled: July 25, 1988Date of Patent: May 1, 1990Assignee: Sipra Patententwicklungs-und Beteiligungsges. dmbHInventors: Ernst-Dieter Plath, Kurt Juenthner
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Patent number: 4879885Abstract: A knitting machine has at least one needle bed (1), which is equipped with needles (4) that are controlled by needle cam parts, (16), following along a needle control curve, and are guided longitudinally. Between the needles, sinkers (22) that are short in comparison with their length are supported on the needle bed, or on a sinker carrier (21) connected to it, such that they can be displaced in the longitudinal direction of the needles and essentially transversely to it, about a transverse axis. The longitudinal and transverse movements of the sinkers are controlled, in each case following along a sinker control curve, such that during at least part of the withdrawal movement of the needles, which is devoted to loop formation, they execute a projection movement contrary to this withdrawal movement.Type: GrantFiled: May 4, 1988Date of Patent: November 14, 1989Assignee: Memminger GmbHInventor: Falk Kuhn
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Patent number: 4862709Abstract: On a stitch-forming machine having knitting needles, knocking-over sinkers and controlling sinkers, in addition to their mutual articulated connection, the knocking-over and controlling sinkers are also connected to each other for mutual longitudinal displacement. Contiguous sliding surfaces are provided on the sinkers so as to slide on one another and bring about tilting motion of the knocking-over sinkers during mutual longitudinal displacement of the sinkers. Return parts are also provided for returning the tilted knocking-over sinkers to their initial position.Type: GrantFiled: May 23, 1988Date of Patent: September 5, 1989Assignee: Terrot Strickmaschinen GmbHInventors: Werner Engelfried, Gerhard Muller
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Patent number: 4848104Abstract: In a multisystem knitting machine with longitudinally displaceable needles and also displaceable and pivotable sinkers which are alternately positioned in a carrier, an adjusting shaft and an adjusting head for each cam system are positioned on a movable slide on which a plunger of a central adjusting device acts so as to move that slide.Type: GrantFiled: October 6, 1987Date of Patent: July 18, 1989Assignee: Sipra Patententwicklungs-und Beteiligungsgesellschaft mbHInventor: Ernst-Dieter Plath
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Patent number: 4811572Abstract: Improved methods for circular weft knitting of variegated articles and improved programmable circular weft knitting machine apparatus for carrying out such methods including means for effecting selective, controlled two dimensional displacement of compound needle member components and associated sinker elements so as to provide each such needle member with the selectable capability of performing a knit, tuck or float operation at each yarn feed location independent of the direction of knitting needle approach thereto.Type: GrantFiled: March 24, 1986Date of Patent: March 14, 1989Inventor: E. C. Tibbals, Jr.
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Patent number: 4796444Abstract: Methods for circular weft knitting of variegated articles and selectively programmable circular weft knitting machine apparatus for carrying out such methods including means for effecting selective, controlled two dimensional displacement of compound needle member components and associated sinker elements so as to provide each such needle member with the selectable capability of performing a knit, tuck or float operation at each yarn feed location independent of the direction of knitting needle approach thereto.Type: GrantFiled: August 28, 1986Date of Patent: January 10, 1989Inventor: E. C. Tibbals, Jr.
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Patent number: 4751829Abstract: A circular knitting machine includes needles and loop-sinking sinkers longitudinally movable relative to each other in opposite directions. Each needle is provided with a non-movable slide. The movements of the needles and the sinkers are controlled by cams. Each slide has a tip. The control cam for the needle head and the control cam for the sinker and the height of the needle slide tip are selected so that the tips of the needle slides lie in the region which extends between the point of crossing of said control cams and the maximal vertical level of the knockover edge of the sinker.Type: GrantFiled: November 17, 1986Date of Patent: June 21, 1988Assignee: Sipra Patententwicklungs-und Beteiligungs-Gesellschaft mbHInventor: Ernst-Dieter Plath
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Patent number: 4741181Abstract: A knitting machine for producing mesh products has a needle carrier provided with a plurality of guiding grooves having an upper groove end and a base, a plurality of needles and a plurality of plate members alternatingly arranged in the guiding grooves so that the plate members are longitudinally displaceable and turnable in the guiding grooves and have a rear side abutting against the base of the guiding grooves. The knitting machine further has a device for cleaning at least one location and supplying an air stream which raises in the guiding grooves upwardly toward the groove end into a space formed between the rear side of the plate members and the base of the guiding grooves and limited from below by a turning region by the plate members.Type: GrantFiled: September 8, 1986Date of Patent: May 3, 1988Assignee: Sipra Patententwicklungs-und Beteiligungsgesellschaft mbHInventor: Ernst-Dieter Plath
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Patent number: 4711100Abstract: Improved methods for circular weft knitting of variegated articles and improved selectively programmable circular weft knitting machine apparatus for carrying out such methods including means for effecting selective, controlled two dimensional displacement of compound needle member components and associated sinker elements so as to provide each such needle member with the selectable capability of performing a knit, tuck or float operation at each yarn feed location independent of the direction of knitting needle approach thereto.Type: GrantFiled: February 4, 1987Date of Patent: December 8, 1987Inventor: E. C. Tibbals, Jr.
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Patent number: 4693092Abstract: In a knitting machine with longitudinally movable latch members and sinkers which are pivotable and longitudinally movable in the same direction, sinker-controlling cams and needle controlling cams are arranged on individual cam supports which are adjustable relative to each other in a longitudinal direction and transverse direction. Adjustable loop-sinking cams are provided in a sinker cam ring or a needle cam ring.Type: GrantFiled: September 11, 1985Date of Patent: September 15, 1987Assignee: Sipra Patententwicklungs-und Beteiligungs-Gesellschaft mbHInventor: Ernst-Dieter Plath
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Patent number: 4689971Abstract: Several pairs of tubular articles are formed on two circular fixed fronts of needles using threads reciprocating transfer mechanism. The articles are alternatively formed by the two fronts by using sets of needles whose number may also vary. By using adjacent sets of needles, the two tubular, leg-shaped articles of each pair are successively formed to make up a body, that is, the panties portion for a pantyhose garment.Type: GrantFiled: July 24, 1985Date of Patent: September 1, 1987Assignees: Paolo Conti, Meritex S.r.l.Inventors: Paolo Conti, Gianni Conti, Franco Gariboldi, Benito Manini
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Patent number: 4633684Abstract: A knitting machine has at least one needle bed equipped with longitudinally displaceable needles controlled by a needle cam curve, and between the needles are protruding sinkers controlled by a sinker cam curve. The sinkers are movably supported in at least the longitudinal direction of the needles and being controlled such that at a given feed, after the locking in of the yarn, they are moved counter to the lowering movement of the associated needles and after casting off of the loop are moved counter to the needle raising movement. The needle and sinker cam curves have adjoining steadily curved arc portions that in the case of the needle cam curve are sinusoidal and merge steplessly with one another. To reduce noise and wear, especially at very high knitting speeds, the sinker cam curve is substantially sinusoidal, at least in the loop forming zone.Type: GrantFiled: March 17, 1986Date of Patent: January 6, 1987Assignee: Memminger GmbHInventor: Falk Kuhn
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Patent number: 4608841Abstract: In a knitting machine having at least one needle bed, the needle bed is equipped with needles located beside one another, which are guided in a longitudinally displaceable manner under the control of a needle cam race. Combined hold-down and knock-over sinkers that are movable both in the longitudinal direction of the needles and transversely thereto are pivotably supported between the needles, their longitudinal and transverse movement being controlled by sinker cam race surfaces.In order to attain satisfactory, relatively low-friction guidance of the needles and sinkers while operating at high speed, the apparatus is designed such that the needles are disposed on longitudinal ribs disposed spaced apart on the needle bed, and the sinkers are disposed between these ribs.Type: GrantFiled: July 26, 1984Date of Patent: September 2, 1986Assignee: Memminger GmbHInventors: Alfred Buck, Falk Kuhn
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Patent number: 4584851Abstract: A knitting machine has plate members and needles movable opposite to one another during sinking of the threads. The plates are of a short length and located between guide webs of a separate plate carrier, whereas the needles are longitudinally displaceable between guide webs of a needle carrier with needle shafts sliding on the free end surfaces of the guide webs of the plate carrier. Control curves for the needles and the plate members are formed so that the withdrawal movement of a needle and at least at a half needle pitch prior to the opposite driving out movement of a plate member preceding in the working direction.Type: GrantFiled: March 26, 1984Date of Patent: April 29, 1986Assignee: Sipra Patententwicklungs-und BeteiligungsgesellschaftInventor: Ernst-Dieter Plath