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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 |
| 7789649 | Device for extruding hollow strands Device for extruding hollow strands from thermoplastic material, with an extruder head, having a mandrel, and a calibrating device, for making a dimensional change while production is in progress, and with a radially adjustable inlet, at least one Ranque vortex cham... | 09/07/2010 |
| 7479003 | Method and device for producing a film made of a thermoplastic material A method and a device for producing a film made of a thermoplastic material, wherein a plastic melt is blown up into a film bubble and is shaped into a desired film by a calibrating arrangement, and a downstream arranged flattening device. For providing as contactle... | 01/20/2009 |
| 7396224 | Calibrating basket for a calibrating station A calibration basket is configured for a calibration station disposed in an apparatus for producing plastic tubes. The calibration basket contains calibration tools that are successively disposed at a distance from each other across the circumference of the tube. Th... | 07/08/2008 |
| 7390455 | Method for continuously producing plastic tubes by biaxial drawing and a production line for carrying out said method The invention relates to a method for continuously producing plastic tubes by biaxial drawing consisting in producing a blank (E) by extrusion, heating said blank to a molecular condensation temperature, radially dilating it by the internal pressure of a fluid appli... | 06/24/2008 |
| 7377760 | Soft capsule manufacturing apparatus In a sheet forming part 2 of a soft capsule manufacturing apparatus 1, a drum drive system 27 which forms a gelatin sheet 13, and a pickup roller drive system 28 which peels off the gelatin sheet 13 are constructed to drive ... | 05/27/2008 |
| 7371062 | Device for calibrating an extruded plastic profile A device for calibrating an extruder plastic profile having a calibration unit for the profiled strand coming-out of a molding profile nozzle is described, the calibration unit having a molding body (1) enclosing the profiled strand, having calibration surfac... | 05/13/2008 |
| 7361008 | Thermoforming system In the case of a thermoforming system, it is provided, for the purpose of changing over the moulds (11, 12) in a station (1) of this system, that one (4) of the two transporting devices (3, 4), for transporting the sheet (7) from o... | 04/22/2008 |
| 7357630 | Calibration device A calibration device for calibrating extruded continuous profiles, in particular tubes, includes a housing and a plurality of segment bodies which are received in the housing in a substantially in circular manner, with axially neighboring segment bodies partially ov... | 04/15/2008 |
| 7347680 | Device for producing lay-flat tubes in blown film extrusion installation A lay-flat device of a blown film extrusion installation includes brush rollers in the upper half entirely or partly. The brush rollers include bristles which are directed obliquely outwards and which, on contact with an extruded film tube, exert a slight spreading ... | 03/25/2008 |
| 7335007 | Quick change mold A mold insert set is provided for use with a mold system having first and second mold bodies, the first and second mold bodies aligning opposite each other during a molding process. Each of the mold bodies has at least one insert receiving region for replaceably rec... | 02/26/2008 |
| 7335010 | Device for producing rigid plastic pipes A device for producing rigid plastic pipes of an approximately cylindrical shape, contains an extruder and a calibrating station following in the direction of production, which has calibrating tools to calibrate the outside diameter of the already partly hardened pi... | 02/26/2008 |
| 7318720 | Die assembly and production process for profile extrusion The invention discloses an improved die assembly for the extrusion of thermoplastic resin cellulosic fiber composite profiles meant to minimize and substantially prevent the occurrence of melt fracture on the surface of the extruded composite profiles. Comprising th... | 01/15/2008 |
| 7314592 | External thickness control and method A plastic resin extrusion line for the production of blown film includes an external thickness control device that provides a controllable amount of air from an inlet side through an annular region to one or two sets of lips. Barriers that can be manually or automat... | 01/01/2008 |
| 7311509 | Externally cooled moving mold A molding apparatus includes a moving mold for shaping molten plastic into product made within the moving mold. The moving mold is surrounded by an air block housing to define a cooling chamber exteriorly around the moving mold. At least one heat exchanger is locate... | 12/25/2007 |
| 7306448 | Mobile impression half-mould for a corrugator for making pipes with transverse ribs A half-mold for a corrugator for making pipes with transverse ribs. The half-mold comprises two sides located spaced apart from each other and a semi-cylindrical base surface linking the two sides. Directly mounted forming elements bent in the shape of a semicircle ... | 12/11/2007 |
| 7296989 | Continuous production of plastic siding panels with separate shingle appearance A method and an apparatus for continuously producing elongated siding panels is disclosed. The apparatus includes a conveyor, a plurality of mold plates, and a die for extruding a sheet of material onto the mold plates. The mold plates are formed of a rigid material... | 11/20/2007 |
| 7293975 | Calibration device A calibration device for calibrating extruded continuous profiles includes successively arranged segment rings comprised of individual segments whose internal surfaces jointly form a calibration opening. Successively axially arranged segments are assembled in the fo... | 11/13/2007 |
| 7290998 | Quick set-up system for calibration devices The invention relates to a quick set-up system for calibration devices located downstream from an extruder, in particular one for synthetic profiles. With this quick set-up system, a dry gauge and the vacuum tank(s) are mounted on two horizontally positioned tubes t... | 11/06/2007 |
| 7275927 | Multi-channel cooling die A cooling die, for use in the manufacture of extruded food products, the cooling die including: a plurality of core members forming a main body portion of the cooling die between die inlet and outlet ends and arranged about an axis of the die in neighboring relation... | 10/02/2007 |
| 7267535 | Pipe molding apparatus with mold tunnel air turbulence An extruding apparatus which extrudes continuous length of hollow plastic product has an extruder (3) which feeds molten plastic through die equipment (5) to a mold tunnel (7) formed by side by side moving mold blocks (9). The apparatus i... | 09/11/2007 |
| 7226282 | Charge roller of developing device for image forming apparatus, method for fabricating the same and tool for fabricating charge roller A method of manufacturing a charge roller utilizes a foam rubber substance where epichlorohydrin oxide rubber and an acrylonitrile butadiene rubber are mixed at a ratio of 5:95, or utilizing a crosslinking rubber substance consisting of epichlorohydrin oxide rubber ... | 06/05/2007 |
| 7223428 | Method of embossing chocolate products Methods of producing shaped, embossed, or decorated confectionery chocolate products by using chilled forming, shaping, or embossing devices. ... | 05/29/2007 |
| 7223089 | Infinitely adjustable calibrating shell for continuous extruded plastic parts, in particular plastic pipes Infinitely adjustable calibrating shell includes a central piece formed by strips or bands which are hingedly connected to each other and intersect like an extendable lattice that is formed into a shell. Preferably, the ends of the strips are movably connected to an... | 05/29/2007 |
| 7220113 | Gauge distribution apparatus for plastic film Gauge distribution apparatus for plastic film has a frame, a rotor mounted on the frame for sequential reversed rotation about a substantially vertical axis, and at least one slot in the rotor through which two lengths of plastic film can pass upwardly with spaced a... | 05/22/2007 |
| 7207791 | Device for the production of transversely ribbed pipes Described is an apparatus for the production of transversely ribbed tubes comprising mold jaw halves which are movable in a condition of bearing against each other along two guide. The guide paths have a common mold section, a respective return section and two respe... | 04/24/2007 |
| 7207792 | Expansion tube having expansion slits and apparatus for manufacturing heat shrinkable tube having the expansion tube The present invention relates to an expansion tube that has a plurality of expansion slits on the outer peripheral surface thereof long a longitudinal direction, each of the expansion slits having a predetermined width and a relatively larger length than the predete... | 04/24/2007 |
| 7195471 | Blowing head for extruding films, comprising clamping elements containing ducts for cooling air Tubular film die head for extruding single-layer or multi-layer film which has at least the following features: a substantially annular die gap, fastening elements which fix at least two components with respect to one another which together border areas bearing plas... | 03/27/2007 |
| 7175415 | Moulding system, in particular a calibration die The invention relates to a moulding system (3), in particular a calibration die (17), for an extrusion plant, with preferably parallel inlet and outlet faces (28, 29) spaced at a distance apart and with side faces (30, 31, 32, 33) extendi... | 02/13/2007 |
| 7172402 | Mold jaw halves for an apparatus for producing transversely ribbed tubes Described is a mold jaw half for an apparatus for the production of transversely ribbed tubes, wherein the mold jaw half (16) has end faces and a base face and in its interior a cooling passage with a coolant feed and a coolant discharge, which open at a spac... | 02/06/2007 |
| 7153117 | Device for producing tubes provided with cross ribs Described is an apparatus for the production of transversely ribbed tubes, comprising mold jaw halves which are circulatingly moved in a condition of bearing against each other along two endless guide paths by means of a respective associated drive device, wherein t... | 12/26/2006 |
| 7147774 | Sliding plate filter with segmented sealing ring A filtration apparatus for use in polymer processing includes a housing having an internal bore for directing polymer flow and a channel oriented transversely to the bore. A slide plate for supporting filters is movable through the channel and across the bore. An an... | 12/12/2006 |
| 7147907 | Protective covering for landscape ties and timbers and other building materials Apparatus and methods for preventing splinters and minimizing the number of injuries attributable to falling onto pressure-treated wooden members, such as landscape ties or timbers used in play areas and landscape projects, through the use of a resilient cover. A co... | 12/12/2006 |
| 7140855 | Inner mandrel An internal mandrel for cooling a tubular thin film is disclosed where an air layer is eliminated in the lower side cooler of the internal mandrel, so that the tubular thin film can be continuously and stably produced. In the internal mandrel for directly cooling th... | 11/28/2006 |
| 7128558 | Post-forming of thermoplastic ducts An apparatus and method are provided for thermoplastically forming a contour in a thermoplastic duct defining a passage. The apparatus includes a longitudinal collar that defines a cavity and a rigid inner support structure extending longitudinally in the cavity. Th... | 10/31/2006 |
| 7114942 | Apparatus for producing synthetic resin film A calibrating basket for a film blowing tube is provided with roller bearings to prevent stripe formation on the film and pinching of the film between the rollers. ... | 10/03/2006 |
| 7112047 | Infinitely adjustable calibration sleeve for extruded plastic pipes Infinitely adjustable calibration sleeve for extruded plastic pipes includes an inlet head and two strap layers that intersect like a lattice grate and that are linked with each other at the crossing points. In that manner, the inlet head and the strap layers are ad... | 09/26/2006 |
| 7108495 | Apparatus for continuous forming shaped polymeric articles This invention relates to methods and apparatus for manufacturing shaped polymeric articles by substantially continuous vacuum forming. The method includes providing a sheet of hot polymeric material which is disposed onto a rotating belt having a mold impression. V... | 09/19/2006 |
| 7104777 | Pipe mold with compensation for pipe shrinkage Pipe molding apparatus having a moving mold tunnel includes an upstream and at least one downstream mold block. Each mold block comprises mold block sections which close with one another to form the pipe and which open relative to one another to release the pipe. Th... | 09/12/2006 |
| 7094290 | Light guiding plate manufacturing apparatus and light guiding plate manufacturing method A light guiding plate is manufactured with accuracy and at low cost. This invention comprises a cylindrical roller, which has a heater built-in, rotating while fixing a stamper having a dot pattern formed on its surface, substrate fixing means for reciprocating alon... | 08/22/2006 |
| 7074027 | Extrusion die and method for forming dual wall corrugated plastic pipe and dual wall plastic pipe having a foam annular core Extrusion dies for forming dual wall corrugated plastic pipe and dual wall plastic pipe having a foam annular core that provides homogenous melt flow to each axially displaced orifice by means of an individual concentric spiral mandrel are disclosed. Spiral mandrels... | 07/11/2006 |
