William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7739888 | Method and equipment to change the knitting density in the production of warp fabrics and tubular articles by Raschel loom and obtained products The invention relates to a method and related equipment for manufacturing shaped fabrics or anatomically shaped tubular hosiery and knitwear items, obtained with Raschel looms having preferably two parallel needle beds and automatic latch needles. During the knittin... | 06/22/2010 |
| 7299661 | Linear knitting machine The present invention relates to a linear knitting machine comprising: a first (2) and a second (3) needle-bed, each one having at least one bar (4) extending longitudinally along said machine, and at least one row of needles (5) supporte... | 11/27/2007 |
| 7284492 | Replaceable hook modules A hook module assembly for a tufting machine is provided that allows for broken and damaged hooks of a level cut loop tufting machine to be replaced. The hook module assembly includes modular blocks having a series of slots in which level cut loop hooks are received... | 10/23/2007 |
| 6957671 | Device for creating a gauze fabric Apparatus for producing a leno fabric includes a plurality of juxtaposed stationary needles (1) each fitted with one guide eye for a single warp and in addition a device (13) fitted with a plurality of juxtaposed warp guide eyes, the device (13)... | 10/25/2005 |
| 6151929 | Device for fastening active components to the bar of a wrap knitting machine and accompanying tool for removing and installing the active components In a device for fastening active components (18) to the bar (6) of a warp knitting machine, the bar (6) has transverse channels (24) each of which is intended to receive a guide section (25) of the active component (18), and a longitudinal groove (20) for... | 11/28/2000 |
| 6092398 | Driving mechanism of compound knitting needle in narrow width crochet knitting machine There is provided a driving mechanism of a compound knitting needle in a narrow width crochet knitting machine, which can highly accurately control an operation timing and stroke of a compound knitting needle comprising a hook-like knitting needle and a n... | 07/25/2000 |
| 5966969 | Lightweight, rigid segment for carrying knitting elements for a knitting machine A segment carrying knitting elements for a warp knitting machine comprising a plurality of similar plates. Holes provided in said plates are penetrated by at least one hollow pin, which at its circumference is connected with the plates. This gives rise to... | 10/19/1999 |
| 5878599 | Thread guide attachment arrangement in a knitting machine carrier An arrangement for a warp knitting or circular knitting machine, includes a carrier having a face with a groove. Also included is an evenly spaced plurality of thread processing elements lying in a single plane and protruding from the face of the carrier.... | 03/09/1999 |
| 5442936 | Device for clamping and guiding crocheting needles for a crocheting machine A device for clamping and guiding crocheting needles for a crocheting machine. On the one hand a clamping device for the crocheting needles and on the other hand a knock-over comb are to be created, which permit a very fine spacing. To this end, in the bo... | 08/22/1995 |
| 5295372 | Warp knitting machine with a compensated guide bar In a warp knitting machine at least one swingable guide bar is driven in a shogging direction. This displacement is achieved through a drive member via a hinged push rod in dependence upon a path time function. This path time function is formed by overlap... | 03/22/1994 |
| 5042273 | Control device for plunger needles in crochet galloon machines In a crochet galloon machine, the needles (11) are fastened to a needle bar (12) reciprocated by at least a connecting rod (20) for the control of needles, operatively engaged with a needle control eccentric (21) carried by the rotary main shaft (22). Ass... | 08/27/1991 |
| 4984437 | Driving mechanism for the control of the needle-bar and tube-bars in fast knitting machines A driving mechanism (1) comprising first and second drive shafts (10, 22) respectively causing the movement, through first and second eccentrics (17, 24) of a needle bar (3) and one or several tube-bars (5). Also mounted on the drive shafts (10, 22) are a... | 01/15/1991 |
| 4895006 | Crocheting machine A crocheting machine has slide needles (2) with knitting needles (4) which are disposed on a knitting needle bar (6). Slides (8) of the slide needles (2) are attached at a slide bar (10) which is disposed over the knitting needle bar (6). Thus, a simple a... | 01/23/1990 |
| 4852370 | Warp-knitting machine, particularly stitch knitting machine Warp knitting machine, in particular stitch-bonding machine, a drive for the operation of a row of knitting needles and at least one row of guide needles. The drive for the row of knitting needles and the drive for the performance of oscillatory motions o... | 08/01/1989 |
| 4723424 | Process and device to operate a warp knitting machine, in particular a stitch-bonding machine This invention relates to a stitch-bonding warp knitting machine and a process for operating it. The stitch-bonding warp knitting machine comprises a plurality of knitting needles that pierce a continuously conveyed band of material. The knitting needles ... | 02/09/1988 |
| 4665717 | Latch needle for Raschel machine A latch needle for a Raschel machine having a branch stem branched from a portion are side of the stem below the latch so as to extend downward substantially in parallel to the lateral side of the stem, and having a thickness greater than that of the stem... | 05/19/1987 |
| 4643004 | Needle bar of a warp knitting machine A needle bar of a warp knitting machine, the needles of which comprise a needle shank bent at an angle, the bent portion of which is supported against a correspondingly shaped abutment on the needle bar. The bent portion bears against an end face of the n... | 02/17/1987 |
| 4584853 | Tricot knitting machine, particularly galloon crocheting machine A warp knitting machine wherein the needles are inclined downwardly at an angle lying 20°-40°.... | 04/29/1986 |
| 4571961 | Clamping device A clamping device for attaching crochet needles to the needle bar of a galloon crochet machine or Raschel loom. The clamping device consists of two body pieces, a lower piece and a clamping lid, which are fastened together by means of clamps. In one embod... | 02/25/1986 |
| 4449382 | Warp knitting machine equipped with latch-type needles A warp knitting machine typically equipped with latch-type needles, trace comb, and numerous guide bars for underlapping purposes. The keep-off rails for the pattern threads, running from the hook needles or guides to the latch-type needles, are mounted b... | 05/22/1984 |
| 4397160 | Needle arrangement for warp knitting machines and warp knitting machines equipped therewith A knitting needle set for a warp knitting machine has a needle bar and a plurality of hooked needles each of substantially equal length clamped to the needle bar. The plurality of needles each have a hook end and each have at substantially the same distan... | 08/09/1983 |
| 4018065 | Driving apparatus for the knitting implement bars of warp knitting machines A driving apparatus for knitting implement bars of warp knitting machines, comprising a main shaft and several individually driven cam or crank discs each mounted on a separately supported axle. This arrangement permits a substantial reduction of size and... | 04/19/1977 |
| 3978691 | Dust removing apparatus for the needles of a warp knitting machine Means for eliminating dust in the knitting zone and at the latch needles of warp knitting machines with a casting-off bar and casting-off comb plates. Contoured stripping plates are mounted on the casting-off comb plates. The stripping plates are led thro... | 09/07/1976 |