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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 |
| 7780430 | Mandrel, and apparatus and process for resin film production with mandrel To provide an apparatus and method for producing a resin film product from a thermoplastic resin in a stable manner without damage to the product, wherein the resin film product is thin and has a uniform, flat surface. A mandrel 7 that comes into proxi... | 08/24/2010 |
| 7713051 | Apparatus for forming a parison An apparatus for forming a parison is described. The apparatus has a mandrel housing. The housing has an axially aligned hollow mandrel channel therein and a side channel substantially transverse to the mandrel channel. A mandrel is also provided. The mandrel has an... | 05/11/2010 |
| 7458799 | Tapered hollow pole extruder An extrusion mold head is provided having outer mold tapered cams that form an automatically contracting or expanding mold surface during extrusion of the poles, allowing the formation of tapered outer diameter on each pole. The extrusion mold head also has an inner... | 12/02/2008 |
| 7448864 | Extruder head An extruder head for extrusion blow-molding plastic containers includes a ring gap nozzle with a mandrel and a ring-shaped nozzle body. An elastically deformable sleeve is arranged on an end of the nozzle outlet side and defines a gap width which can be varied by ax... | 11/11/2008 |
| 7435072 | Methods and systems for producing an object through solid freeform fabrication A method of producing an object through solid freeform fabrication, the method including fabricating a support structure about at least a portion of the object by applying a binder or focused energy to a build material. ... | 10/14/2008 |
| 7396223 | Forming jig and method for producing formed body using same A forming jig comprises a rectification plate having two or more material supply holes, a drawing die installed below the rectification plate to specify the external configuration of the formed body produced from a material, and a floating die in which two or more w... | 07/08/2008 |
| 7374412 | Extrusion head In an extrusion head and an extrusion method for the production of a tubular multilayer preform the extrusion head includes at least two feed paths for feeding plasticised plastic material from one or more extruders to an annular passage arrangement. The annular pas... | 05/20/2008 |
| 7371344 | Method and apparatus for manufacturing a blank for a rotary cutting tool A blank for a rotary tool for chip removing machining, such as a helix drill or an end mill is formed by advancing a mixture of hard metal powder and carrier through an extrusion passage. The mixture is fed past a core having pins secured thereto for forming respect... | 05/13/2008 |
| 7364421 | Method of making retroreflective sheeting and slot die apparatus The invention relates to a method of making retroreflective sheeting and other articles prepared from casting a fluid synthetic resin onto a tool having a microstructured surface with a slot die apparatus. The invention further relates to a slot die apparatus. ... | 04/29/2008 |
| 7361294 | Injection molding of polymeric material Injection molding systems and methods useful for making microcellular foamed materials are provided as well as microcellular articles. Pressure drop rate and shear rate are important features in some embodiments, and the invention provides systems for controlling th... | 04/22/2008 |
| 7340807 | Pouch and resealable closure mechanism therefor including a plurality of interlocking closure elements A resealable closure mechanism includes first and second closure strips. The first closure strip includes a plurality of discontinuous closure elements and the second closure strip includes a plurality of discontinuous closure elements. One or more of the discontinu... | 03/11/2008 |
| 7340978 | Method and apparatus for making a rotary tool for chip removing machining A method for manufacturing a rotary tool for chip removing machining with at least one chip flute that extends in the longitudinal direction of the tool. The method involves preparing a mixture of a cemented carbide, cermet or ceramics powder and a carrier, such as ... | 03/11/2008 |
| 7338271 | Extrusion head having a rotating die A crosshead assembly for forming extruded shapes from molten polymer. The assembly includes body sections, a mandrel, a choke ring, and a tip holder for admitting, turning, and accelerating molten polymer toward a novel rotatable die sub-assembly. The die sub-assemb... | 03/04/2008 |
| 7329113 | Adjustable extrusion die An extrusion die assembly configured to process a flow of extrusion material traveling in a downstream direction includes a first die component, a second die component and a third die component. The first die component includes a first channel that is substantially ... | 02/12/2008 |
| 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 |
| 7316052 | Closure profile and die plate for extruding same A reclosable pouch includes interlocking male and female closure elements having elongate hollow closure profiles. The male closure profile has a hollow shaft section, and the female closure profile has a channel with at least one hollow side. A set of pleated grip ... | 01/08/2008 |
| 7296991 | Adjustable extruder die assembly die lip adjustment apparatus An annular thermoplastic foam extrusion die assembly has a first die body with a first die lip and a second die body with a second die lip. The first die body includes a trench having an undercut, sloped back wall and a circumferential groove opposite the back wall.... | 11/20/2007 |
| 7278844 | Extrusion head for blow molding A blow head for extruding a tubular plastic preform from an outlet gap between a fixed die core and a die body allows a change of the width of the outlet gap as a function of the circumference using light and small actuating devices, e.g., double-acting actuator cyl... | 10/09/2007 |
| 7269942 | Wall flow particulate trap system A wall-flow particulate trap system regenerated by reverse flow of filtered exhaust gas through porous walls of a plurality of tubular passages is disclosed. The system includes a particulate trap having an inlet and an outlet, the particulate trap adapted to receiv... | 09/18/2007 |
| 7270538 | Mixing device A mixing device for use with a manifold in an injection molding apparatus. The mixing device has a body which has a melt channel therethrough. The melt channel has a plurality of increasing sections which have an increasing cross-sectional area in a downstream direc... | 09/18/2007 |
| 7267541 | Extruder head An extruder head for extrusion blow-molding plastic containers includes a ring gap nozzle with a mandrel and a ring-shaped nozzle body. An elastically deformable sleeve is arranged on an end of the nozzle outlet side and defines a gap width which can be varied by ax... | 09/11/2007 |
| 7264461 | Externally adjustable insert for extrusion manifold Externally adjustable extrusion insert for a multiple-orifice extrusion manifold. Adjustments to an extrusion insert precisely controls the extrusion path leading to one or more extrusion orifices of the manifold. Each insert is adjusted to reduce or eliminate varia... | 09/04/2007 |
| 7247012 | Rotatable head for forming spiral extrusions A polymer extrusion crosshead assembly for forming a spirally-striped extrusion. The assembly includes conventional components for admitting, turning, and accelerating primary molten polymer toward a novel rotating die sub-assembly. A body element includes an axial ... | 07/24/2007 |
| 7235202 | Net structure and method of making The present invention concerns an extrusion formed reticulated web, mesh or netting including reticulated hook fasteners for use with hook and loop fasteners the polymer netting comprising two sets of strands at angles to each other. The first set of strands are a p... | 06/26/2007 |
| 7214420 | Molded article A longitudinally extending cellular body of a wood plastic composite is disclosed. The body has at least one wall which extends at least substantially the longitudinal length of the body, and encloses a central cavity which extends a distance that is less than the l... | 05/08/2007 |
| 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 |
| 7169341 | Process for producing extruded honeycomb bodies and extrusion die A process is provided for producing extruded honeycomb bodies with passages, in particular as catalyst carrier bodies for the cleaning of exhaust gas from an internal combustion engine. The passages are bounded by wall regions which are at least partly provided with... | 01/30/2007 |
| 7163388 | Method and apparatus for incorporating lumens into the wall of a tubular extrusion A polymer extrusion head for forming continuous shapes having one or more lumens therein. The head includes an extrusion mandrel and die. At least one lumen pipe is disposed radially through a port in the die to intersect the polymer flow in the annular region betwe... | 01/16/2007 |
| 7160094 | Die assembly A die assembly (10) having a first die part (12), which includes a first lip (16) that, in combination with a second lip (18), defines a feed gap (20). The first die part (12) also includes a rear portion (22), a fron... | 01/09/2007 |
| 7153119 | Apparatus for extruding food dough An extruding apparatus for food materials having a filling material and a wrapping material extrudes and envelops the filling material with the wrapping material. An internal cylinder supplies the filling material while a concentrically arranged external cylinder cr... | 12/26/2006 |
| 7134308 | Extrusion press tool for producing a cylindrical body consisting of a plastic mass The invention relates to an extruder tool for producing a cylindrical body which consists of plastic mass and has at least one recess extending in the interior thereof. The extruder tool comprises an extruder nozzle which has a narrowing region and a nozzle mouthpie... | 11/14/2006 |
| 7122141 | Method and system for dual co-extrusion In a co-extrusion system, a primary extruder is connected to a primary flow director to direct the solid melt from the primary extruder to the co-extrusion assembly. A secondary extruder is connected to a secondary flow director to direct the melt from the secondary... | 10/17/2006 |
| 7108817 | Die, especially for extruding green ceramic foils A die for producing flat sections, in particular a flat-sheet die for extrusion of ceramic green films, has a slot-shaped die outlet which opens in an outlet orifice. The height of the slot-shaped die outlet narrows beginning in the immediate vicinity of the outlet ... | 09/19/2006 |
| 7104778 | International die deckle with flow control An apparatus (10) for changing the width of an internal die cavity (12) to accommodate product width changes has a die end plate (14) with a front surface facing the internal die cavity (12), a rear surface and defines an opening that ext... | 09/12/2006 |
| 7101167 | Method and a device for manufacturing a tool and a tool made by the method A rotary tool such as a helix drill and an end mill for example, is manufactured by forming a blank by an extrusion process, and then sintering the blank. During the extrusion, a mixture is passed through a die which provides a cylindrical shape to the outer periphe... | 09/05/2006 |
| 7074030 | Scraping assembly for an extrusion die and method of use therefor An apparatus for scraping a lip of an extrusion die includes a scraping surface pressed against the lip. The scraping surface is movable along the lip of the die to clean debris, such as hardened thermoplastic, from the surface of the lip. The scraping surface may b... | 07/11/2006 |
| 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 |
| 7056112 | Extrusion die and method for using the same An improved extrusion die and a method for using the same that minimizes the deflection of the die exit by providing the walls of the extrusion die with areas of increasing thickness that increase from the die ends to a central location. The die wall thickness is va... | 06/06/2006 |
| 6991448 | Apparatus for extruding honeycomb bodies An extrusion apparatus which satisfactorily adjusts differences in skin-body flow rates at multiple locations around the die, and allows for the external manipulation of the interior components controlling batch flow, during the production without having to stop man... | 01/31/2006 |
| 6979188 | Extrusion head for producing a plastic strand in the form of a flexible or rigid tube An exemplary extrusion head for producing a plastic strand in the form of a flexible or rigid tube can be made to communicate with the outlet of an extruder and has a nozzle tool, which includes a mandrel, or core, and a nozzle ring. The mandrel and the nozzle ring ... | 12/27/2005 |
