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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8099840 | Device for needling a web of fiber The invention relates to a device for needling a web of fiber, said device comprising at least one driven needle beam. A vertical reciprocal movement of the needle beam is carried out by a vertical drive unit and a superposed horizontal reciprocal movement is carrie... | 01/24/2012 |
| 8069541 | Device for needling a nonwoven web The invention relates to a device for needling a nonwoven web having on the base thereof at least one needle bar comprising a needle board having a plurality of needles. The needle bar is held by a bar carrier on which a vertical drive engages for oscillating motion... | 12/06/2011 |
| 7614127 | Apparatus for needling a non-woven web An apparatus for needling a non-woven web. The apparatus comprises at least one needle beam. The needle beam, the lower side of which comprises a needle board having a plurality of needles, is held by a beam support, which is guided by means of a vertical drive for ... | 11/10/2009 |
| 7562426 | Needling loops into carrier sheets Methods of forming a loop product are provided. Some methods include (a) introducing a sheet-form substrate and a layer of polymeric fibers into a needle loom, with the fibers disposed on a first surface of the substrate, and (b) needling the fibers through the subs... | 07/21/2009 |
| 7509714 | Needled glass mat A method for preparing a mat, including: a) deposition or projection of threads onto a traveling belt to form a lap of the threads that are driven by the belt, then b) needling by bearded needles passing through the lap and being displaced in the direction of the la... | 03/31/2009 |
| 7373705 | Method and an installation for needling a fibre fleece using two needle bars The installation includes two needling apparatuses (2, 3) which succeed each other on one side of the path (1) for the fleece to be needled. The needles (47) have an “elliptical” movement, i.e. their reciprocating movement of penetration is ... | 05/20/2008 |
| 7308744 | Apparatus for needling a non-woven material An apparatus is described for needling a non-woven material with at least one needleboard (23) which is connected with push rods (26) guided in the needle-penetration direction and with at least one drive for the needleboard (23) acting upon the... | 12/18/2007 |
| 7194790 | Needle loom In a needle loom having at least one needle bar coupled by cam follower means to two eccentric shafts in order to be moved by said eccentric shafts in a movement path having two components which are normal to one another, the eccentric shafts are each provided with ... | 03/27/2007 |
| 7117571 | Method of reinforcing non-woven fabric web by needling A system and method for reinforcing a textile web of a fiber web or a fiber fleece by needling in a plurality of directly successive steps are provided, in which the web is needed from both sides with a high needle density in an alternating manner and in the state o... | 10/10/2006 |
| 7107658 | Apparatus for needling a non-woven material An apparatus for needling a non-woven material is described, comprising at least one needleboard (1) which is drivable in a reciprocating manner in the needle-penetration direction (6) as well as in the direction of the passage (11) of the non-w... | 09/19/2006 |
| 7100253 | Method and apparatus for producing mop trimmings A method and an apparatus for producing mop trimmings from a twisted yarn (7) which is cut into pieces is described. In order to prevent any untwisting of the yarn pieces it is proposed that the twisted yarn (7) is subjected to a needling prior to cutt... | 09/05/2006 |
| 6948221 | Apparatus for needling a non-woven material An apparatus is described for needling a non-woven material (1) with at least one needleboard (15) which is drivable in a reciprocating manner in the needle-penetration direction and with a stitch base which is opposite of the needleboard (15) a... | 09/27/2005 |
| 6785940 | Apparatus for needling a non-woven material An apparatus is described for needling a non-woven material with at least one needleboard (1) which is drivable in a reciprocating manner by at least one eccentric drive in the needle-penetration direction, which needleboard is linked to the eccentric drive v... | 09/07/2004 |
| 6767602 | Preparation of textile preforms for brake discs in composite material A fiber preform for manufacturing a brake disk out of composite material is itself manufactured by superposing and bonding together fiber layers. Structural fiber layers (10) are used to form at least a first preform portion that is to constitute the fiber re... | 07/27/2004 |
| 6748633 | Apparatus for needling a non-woven material An apparatus is described for needling a non-woven material with a support (3) which receives at least one needleboard (1) and is drivable in a reciprocating fashion both in the needle-penetration direction (5) as well as the direction of passag... | 06/15/2004 |
| 6735837 | Apparatus for needling a non-woven material An apparatus is described for needling a non-woven material with a guide means (16) for the non-woven material between a perforated base plate (17) and a perforated stripping plate (18) as well as at least one needleboard (2) which is dis... | 05/18/2004 |
| 6622359 | Apparatus for needling a non-woven An apparatus is described for needling a non-woven (2) with at least one support (6) for a needleboard (4) held in a frame (12) and with two parallel eccentric drives (7, 8) which are disposed between the frame (12) and the needleboard support (6) and are... | 09/23/2003 |
| 6584659 | Apparatus for needling a non-woven material An apparatus is described for needling a non-woven material with a support (1) for at least one needleboard (3) with at least two eccentric drives (7, 8) which are drivably connected with the support (1) via connecting rods (9, 10) and with a device for a... | 07/01/2003 |
| 6568051 | Apparatus for needling a non-woven material An apparatus is described for needling a non-woven material with a support (1) receiving at least one needleboard (3), which support is drivable in a reciprocating fashion both in the needle-penetration direction (5) as well as the direction of passage (6... | 05/27/2003 |
| 6389665 | Facility for needling of fleece The description relates to a facility for needling of fleece with at least one needle board driven to and fro in stitching direction, which can be additionally driven in pendulum fashion in fleece feed direction (15) by means of an eccentric drive, which ... | 05/21/2002 |
| 6266856 | Facility for needling of fleece The description relates to a facility for needling of fleece with at least one needle board (2) that can be driven to and fro in stitching direction (4) by means of pushing rods (3) borne displaceable in one guide sleeve (10) each, and with an additional ... | 07/31/2001 |
| 6175996 | Method of forming a papermakers' felt A method of forming a papermakers' felt first comprises providing a needle loom having a needle board, a plurality of needles mounted on the needle board, and a needle motion unit. The needle motion unit moves the needle board such that the needles mounte... | 01/23/2001 |
| 6161269 | Apparatus for needling non-woven fiber fleece webs A drive apparatus for the needle bar of a needle machine includes a first drive mechanism connected with the needle bar and which applies a first movement component extending perpendicular to the needle bar, a second drive mechanism connected with the nee... | 12/19/2000 |
| 6158097 | Method and apparatus for needling a fiber fleece by means of rotatable needles In a method and apparatus for needling a fiber fleece, the needles are rotated around their own axes at least during their stitching-in motion into the fiber fleece, in order to produce a mutual twisting of fibers within the fiber fleece. In an embodiment... | 12/12/2000 |
| 6029327 | Process for forming fibrous structures with predetermined Z-fiber distributions The invention relates to the field of forming fibrous structures by needling processes. A process is provided for achieving a desired Z-fiber distribution in a fibrous structure by controlling transport depth during formation of the fibrous structure in a... | 02/29/2000 |
| 6009605 | Method for making fibrous preforms for producing annular parts from a composite material Fiber preforms for use in the manufacture of composite material annular ps are made by winding superposed layers of a strip of cloth (10) of spiral or helical shape comprising substantially helical warp threads and substantially radial weft threads. The ... | 01/04/2000 |
| 6000112 | Apparatus for needling a web There is described an apparatus for needling a web, comprising at least one needle board (2) reciprocatingly movable in stitching direction of the needles via an eccentric drive (5), which needle board is reciprocatingly movable in direction of web moveme... | 12/14/1999 |
| 5991987 | Methods and apparatus for making ring-shaped parts out of a composite material, as well as preforms therefor Preforms for producing annular parts of composite material are produced by inding a strip (1) of fibrous material around an elliptical mandrel (10) to produce an elliptical sleeve which can be cut obliquely, cutting taking place either before or after one ... | 11/30/1999 |
| 5909883 | Needling machine and associated feed control method A needling machine for the fabrication of non woven products includes apparatus for needling a lap passing between two perforated steel plates, and introducing mechanism for introducing the fiber lap between the two plates, an extractor for extracting the... | 06/08/1999 |
| 5813101 | Device for needling a prebonded web A device for needling a prebonded web (1), comprises at least one needle board (3) reciprocatingly movable in a needling direction, and a web support (2) disposed opposite the needle board (3) between a feed roller (7) and a discharge roller (8). To avoid... | 09/29/1998 |
| 5737821 | Production of shaped filamentary structures A method of producing a shaped fibrous fabric structure is similar to that described in the parent application, in that a continuous filament sheet is subjected to a needle punching action, segments are cut from the sheet and these segments are assembled ... | 04/14/1998 |
| 5732453 | Needle bar driving apparatus of a needle loom In a needle loom for needling a fiber batt continuously moved through the needle loom, a horizontal driving apparatus connected to a needle bar for horizontally driving said needle bar to and fro is provided which is driven in synchronism with a vertical ... | 03/31/1998 |
| 5699595 | Apparatus for needling a fibrous web An apparatus for needling a fibrous web comprises a row of needle beams arrayed adjacently each other in a direction of an operating width. The needle beams may be attached to exchangeable needle boards and are driven with the needle boards up and down in... | 12/23/1997 |
| 5609707 | Carbon fiber reinforced carbon/carbon composite and method of its manufacture Fibrous substrates for the production of carbon and/or ceramic (including mixtures of these) fiber reinforced carbon and/or ceramic (including mixtures of these) matrix composites, particularly friction discs, and to methods of manufacture of same. Offcut... | 03/11/1997 |
| 5599603 | Manufacture of carbon fibre preform In a method of making a carbon fibre preform such as for use in the manufacture of a friction disc a compressible body of carbon fibre or carbon fibre precursor material is acted upon by compressing means to compress the body to a required thickness and t... | 02/04/1997 |
| 5533242 | Method for the needling of material webs The material web is guided at a predetermined speed over a plurality of needle rollers rotating about their longitudinal axis and arranged transversely to the direction of movement of the material web. The material web covers part of the surface of each o... | 07/09/1996 |
| 5513423 | Apparatus for needling a circular nonwoven web The described apparatus for needling a circular nonwoven web, particularly a nonwoven web having the configuration of a circular ring, comprises a needle board, which carries a multiplicity of needles and is adapted to be driven to reciprocate said needle... | 05/07/1996 |
| 5058241 | Method and apparatus for combining fibres formed into slivers for supply to textile machinery The tail end of a first sliver and the leading end of a second sliver are superposed and clamped together and their fibres are then combined by means of a plurality of needles which are reciprocated through the ends of the two strips transverse thereto.... | 10/22/1991 |
| 5018255 | Method and apparatus for needling of glass mat and composite product made from said mat This invention relates to needling of continuous glass yarn mats. The invention consists in subjecting the mat to the action, preferably simultaneous action, of needles of different diameters. Thus perforations of different dimensions, preferably regularly dis... | 05/28/1991 |
| 4878278 | Method for manufacture of paper making fabrics An apparatus and method for papermaking fabrics (W) with a machine direction fiber batt (24) is disclosed. A carding machine (B, B') is arranged with its carding cylinder (39) parallel to the axis of rotation (22) of carriage rollers (20) about which a ba... | 11/07/1989 |
