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.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7473089 | Card embossing system A card embossing system for embossing information onto a sheet of material prior to cutting individual cards from the sheet is disclosed. Information is embossed onto the sheet in a pattern of rows and columns. Information on adjacent columns is offset relative to o... | 01/06/2009 |
| 7270527 | Optical recording medium-manufacturing apparatus There is provided an optical recording medium-manufacturing apparatus that is capable of avoiding breakage of a substrate while avoiding formation of a central hole off-center with respect to the substrate. A control section causes the vertical movement section to m... | 09/18/2007 |
| 7048250 | Method for producing purpose-made blocks, a device therefor and a purpose-made block A method for producing purpose-made blocks (10). According to said method, several purpose-made blocks (10) are produced in a mold (37) in such a way that the blocks (10) are arranged in at least one row (28) of purpose-made blocks... | 05/23/2006 |
| 6921080 | Shaft sealing ring A sealing ring for a shaft (3), characterized by a sealing lip (1) made of an elastomer material is flexionally dimensioned with a flexional elasticity which is sufficient for pressing a sealing section (10) of the sealing lip (1) against... | 07/26/2005 |
| 6524506 | Combination tool for edge-folding and cutting a panel rim A combined tool for edge-folding and trimming a rim of a panel includes a cutting blade rigidly secured to a tool holder frame, an edge-folding tool slidably received in the tool holder frame, and a biasing spring arranged in the tool holder frame to bias... | 02/25/2003 |
| 6513414 | Method of cutting a cellular polymer surface with a continuous platform cutting apparatus A method for shaping a slab of compressible or cellular polymer material, such as polyurethane foam, by cutting portions of the material from one surface uses a compression roller, a support surface, a blade and a moving patterned platform interposed betw... | 02/04/2003 |
| 6477931 | Synthetic foam surface contouring machine A machine for rotary cutting of continuous synthetic foam sheets while compressed between two rollers has a roller drive featuring individually adjustable roller speed to allow use of rollers of dissimilar diameter, such as a large diameter pattern roller... | 11/12/2002 |
| 6247914 | Casing material and a method and apparatus for its manufacture The invention relates to a method and to an apparatus for perforating a web of material intended to form an outer casing sheet of absorbent articles. As the web is advanced, the web is first provided with a large number of mutually separated cuts in the n... | 06/19/2001 |
| 6142053 | Method of cutting a cellular polymer surface with a continous platform cutting apparatus A method for shaping a slab of compressible or cellular polymer material, such as polyurethane foam, by cutting portions of the material from one surface uses a compression roller, a support surface, a blade and a moving patterned platform interposed betw... | 11/07/2000 |
| 6138983 | Mold for producing masonry block with roughened surface A mold for producing a masonry unit with a roughened texture side surface having a plurality of side walls defining a mold cavity open at its top and bottom, adapted to receive masonry fill material by way of its open top, and to discharge molded fill mat... | 10/31/2000 |
| 6027676 | Method and apparatus of forming ornamented plastics articles The present invention relates to a method of forming ornamented plastics articles and to articles formed by the method and relates especially but not exclusively to manufacture of items of furniture, building components and picture frame members. The meth... | 02/22/2000 |
| 5720991 | Multi-shaped ravioli maker A device to form different shaped raviolis includes multiple uniquely outlined cutting and crimping ribs, surrounding finger ejection holes, and an extrusion die plate hand support system.... | 02/24/1998 |
| 5690876 | System for continuous production of roofing shakes A system for the continuous production of asphalt-based roofing shakes which are tapered and embossed to resemble wood shakes in looks and function; and the shake made thereby. The continuous production system hot-mixes and extrudes the ingredients in a t... | 11/25/1997 |
| 5688538 | Apparatus for three dimensional surface shaping of synthetic foam Synthetic foam compressed between a pattern roller and a smooth compression roller is driven against a cutting edge closely adjacent and tangent to the pattern surface but spaced from the compression roller to reproduce a three dimensional pattern roller ... | 11/18/1997 |
| 5534208 | Three dimensional surface shaping of synthetic foam pads by continuous rotary process A continuous rotary method for surface shaping of resilient material such as synthetic foam. Three dimensional surface geometries of well defined and arbitrary shapes are obtained by pressing foam against a die roller to compress some foam portions to a r... | 07/09/1996 |
| 5378423 | Method and apparatus for notching and cutting a clay column slug into bricks A clay column slug is efficiently and accurately notched around its entire circumference before being cut into individual bricks. The slug is pushed into a roller assembly having two opposing upper parallel rows of rollers and two lower parallel rows of c... | 01/03/1995 |
| 5314324 | Apparatus for forming a partible port in a production piece The present invention generally relates to a device which can form a lid for a cup. This apparatus is for thermoforming a plastic sheet of material into a plurality of production sheets. Each sheet has a partible port section, which has integrity against ... | 05/24/1994 |
| 5306455 | Method of making tubular dunnage A storage or shipping carton for automotive parts or the like has disposed therewithin layers of resilient tubular dunnage having part configured cut outs in the side walls. The dunnage extends transversely of the carton between two of the side walls whil... | 04/26/1994 |
| 5304056 | Apparatus for sealing edges of corrugated plastic material An apparatus for making a substantially rigid corrugated plastic material having at least one sealed edge sealed with a seal line pattern. The seal line pattern has a series of generally parallel grooves, wherein preferably groove depth increases from the... | 04/19/1994 |
| 5250246 | Method and apparatus for manufacturing sheets A method of manufacturing pallets from sheets of substantially the same dimensions as the dimensions of the pallets to be manufactured by the steps of sequentially feeding sheets of a predetermined polygonal shape, cutting substantially at one time a plur... | 10/05/1993 |
| 5244374 | Apparatus for forming dough sheets with lattice-work appearance A method and apparatus for treating a sheet of pastry dough to cause it to have a woven, lattice-work appearance by cutting a plurality of polygonal openings through the sheet in a predetermined pattern with sides of each opening being aligned with sides ... | 09/14/1993 |
| 5209882 | Means and method for forming syringe In a first forming stage, the bottom portion of a mono-molded plastic syringe (a type wherein the whole portion, i.e., a main syringe body and a needle portion, is molded unitedly in a cast) is heated and then stretched to a certain length, forming the ed... | 05/11/1993 |
| 5183672 | Apparatus for forming at least one fold line pattern in a rigid plastic material Disclosed is an apparatus for making a substantially rigid plastic material having at least one fold line pattern with a series of generally parallel grooves, wherein preferably groove depth increases from the outside to the middle of the pattern. The app... | 02/02/1993 |
| 5084282 | Apparatus for forming bricks having a textured edge A texturing assembly for a machine for forming special brick shapes from extruded slugs of unfired material. The slugs are conveyed forward by conveyor(s) onto an elevator which lifts vertically. This lift pushes the slugs into opposing rollers. The rolle... | 01/28/1992 |
| 4859519 | Method and apparatus for preparing textured apertured film Apertured polymeric films for use as a liquid permeable facing material on absorbent products such as diapers and sanitary napkins is textured by a dual embossing process. The film is preferably embossed first with a pronounced, textile-like pattern, then... | 08/22/1989 |
| 4772444 | Method and apparatus for making microbubbled and/or microapertured polymeric webs using hydraulic pressure A method for hydraulically deforming a web of polymeric film while the film is supported on a moving forming structure to produce a novel microbubbled substantially fluid-impervious web exhibiting substantially the same consumer preferred soft and silky t... | 09/20/1988 |
| 4753590 | Apparatus for brick setting A brick setting machine is disclosed which is operable to face set, stack without inverting or flat set. The machine is also operable to laterally space each brick from the next adjacent brick so that the faces and edges of the brick can be separately tex... | 06/28/1988 |
| 4698227 | Plate punching device with separate chamfering tool mounted to internal pressure plate In the production of ceramic plates, the wet uncured extruded clay substrate is cut into plate shaped pieces by vertically reciprocating punching knives disposed about at least a portion of a plate shaped area. A pressure plate is mounted within the punch... | 10/06/1987 |
| 4695418 | Method and apparatus for manufacturing roof tiles and tiles made thereby In the manufacture of roof tiles comprising extruding a continuous shaped ribbon of tile forming material onto a succession of pallets, and cutting the ribbon where pallets adjoin to form individual green state tiles on pallets, there is performed the ste... | 09/22/1987 |
| 4689000 | Apparatus for producing light transmitting article of synthetic resin An apparatus for producing a light transmitting article of synthetic resin in which a monomer Ma is incompletely polymerized to form a network polymer Pa having a refractive index Na, thereby forming a self supporting body material, and subsequently a mon... | 08/25/1987 |
| 4666648 | Method and apparatus for manufacturing roof tiles A roof tile (9) having contoured interlocking regions (20) along its side edges is provided with a plurality of relatively shallow closely spaced, longitudinally extending grooves on its upper surface (19) and optionally upwardly extending grooves on its ... | 05/19/1987 |
| 4655981 | Method of producing a plate with a decorative pattern in its surface In order to produce a decorative pattern on the surface of a layer of material in a soft plastic condition, the surface is whipped by the free end portions of a plurality of flexible thread-like members. The whipping action provides random depressions in ... | 04/07/1987 |
| 4568260 | Brick texturing system A texturing system for brick fabrication comprising a plurality of slapping members mounted to at least one transmission belt for engaging individual edges of bricks within an array of bricks. The bricks are positioned beneath the slapping members while i... | 02/04/1986 |
| 4543053 | Tool for forming a folded pastry A tool for forming a folded pastry from rolled-out dough. The pastry tool includes a frame having an edge for cutting the dough, the cutting edge being formed in the shape of the peripheral outline of a pair of circles intersecting at two points. The two ... | 09/24/1985 |
| 4495132 | Method and apparatus for making antique brick An apparatus for treating the edges of pre-fired brick includes an extruder for extruding a column of clay and a wire cutter assembly for severing the column into individual bricks having their longitudinal axes substantially perpendicular to the directio... | 01/22/1985 |
| 4436517 | Apparatus for making transverse flow cigarette filters In apparatus for making transverse-flow cigarette filters, a rod of cellulose acetate impregnated with a plasticizing agent and having a porous covering is cut into sections each having a length of several filters. From the cutting station, the rod sectio... | 03/13/1984 |
| 4419065 | Method and apparatus for shaping the edges of green brick and separating the same Green brick newly formed by pushing a slug through a wire cutter, have their longitudinal edges shaped by means of a plurality of rollers positioned above and across the path of conveyance of the bricks so that each roller simultaneously engages the adjac... | 12/06/1983 |
| 4336010 | Dough forming, dividing and cutting apparatus An apparatus produces a continuous plurality of generally rectangular dough elements of a controllable weight from a continuous and irregular mass of dough. The invention includes separate forming, dividing, and cutting portions. The forming portion inclu... | 06/22/1982 |
| 4319868 | Apparatus for embossing and perforating a running ribbon of thermoplastic film on a metallic pattern roll The invention disclosed is an apparatus for making a thermoplastic film embossed with tapered bosses having perforations in the tips of each boss through use of a metallic pattern roll and a heated perforating roll. The apparatus and method allow a film h... | 03/16/1982 |
| 4308005 | Thermoforming machine with cutting press connected thereafter An apparatus for the molding of thermoplastic synthetic resin sheet stock into articles and for punching these articles from the sheet length, including a thermoforming machine having a sheet conveyor with an intermittent drive, and a cutting press dispos... | 12/29/1981 |