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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 |
| 7594681 | Fluid line coupling A fluid line coupling is disclosed for connection with hollow tubing. The coupling includes a body portion having a passageway for fluid communication with the tubing. A first wall extends from the body portion radially surrounding the passageway, and a second wall ... | 09/29/2009 |
| 7412761 | Method of creating a sleeve on tubing A method and apparatus for the application of a sleeve upon a tubular, such as a pipe string, used in downhole applications, for example in oil and gas exploration or recovery. A mould is located around the tubular into which a composite material is injected. The ma... | 08/19/2008 |
| 7222886 | Hose clamping assembly A hose clamping assembly comprises a branched pipe having a plurality of projected stoppers thereon, each of the stoppers formed around an outer surface of each branch of the branched pipe and spaced apart a certain distance from each other, a hose connected to each... | 05/29/2007 |
| 7204520 | Device for joining components made of fusible plastic A device for connecting components (1, 2, 3) made of fusible plastic, especially pipes (12, 60) of a fuel pipeline or a fuel line to a fuel tank (8) of a vehicle. The device includes a heating element (4) having ends (44, 46) which... | 04/17/2007 |
| 7178557 | CPVC drain waste and vent fittings A drain, waste and vent (“DWV”) fitting is made from chlorinated polyvinyl chloride. ... | 02/20/2007 |
| 7108295 | Filament-wound composite coupling A filament-wound composite coupling for use in assembling a restrained joint between large diameter pipes with complementary retaining grooves, such as 16 inch or larger outer diameter polyvinyl chloride pipes. The coupling has first and second ends and ported retai... | 09/19/2006 |
| 7051523 | Exhaust system assemblies employing wire bushings for thermal compensation Exhaust system assemblies employ wire bushings for thermal compensation to minimize noise due to “stick-slip” while the system cools. In a preferred embodiment, the wire bushings are formed of at least one strand of wire coiled about male end portions of pipe se... | 05/30/2006 |
| 7052052 | Sealing gasket for a clamp A device for sealing a lap joint between two conduits is disclosed herein. The device includes a band clamp. The device also includes a packet or other type of container secured to the band clamp. The packet contains a sealant which moves or flows to void areas betw... | 05/30/2006 |
| 6857670 | Plastic tube joint An apparatus for creating a permanent, leak-proof plastic tubing joint including a length of plastic tubing, a fitting component and a device capable of generating a local electromagnetic field. The fitting component is manufactured of a polymer containing nonpolyme... | 02/22/2005 |
| 6569493 | Method of repairing a paper machine dryer journal moisture barrier This invention relates to a method of repairing a moisture barrier separating a paper machine dryer drum from the dryer journal. Such processes of this type, generally, involve filling the cavity between the dryer drum steam intake pipe and the dryer jour... | 05/27/2003 |
| 6494501 | Pipe connector, pipe-connecting structure, and connecting method A pipe joint connecting a pipe using an anaerobic adhesive, which possesses a double pipe structure formed with an inner pipe fitting into the inner circumference side of the end of the pipe, and an outer pipe fitting into the outer circumference side of ... | 12/17/2002 |
| 6305719 | Pipe repair clamp A clamp for repairing a damaged pipe member. Shell members are matingly engaged around the damaged pipe member. Segmented inserts are received in a complementary annular channel formed in an inside face of the shell members to form a ring assembly support... | 10/23/2001 |
| 6244630 | Method and apparatus for non-intrusive on-line leak sealing of flanged piping connections A pressurized leaking flange joint is sealed with a 1/4 circle load support structure, a jacking bolt extending therethrough and applying a radial load to a sealing plug between the flange gap. The sealing plug is a graphite packing ring placed into the f... | 06/12/2001 |
| 5851036 | Permanent fitting for fluid-tight connections A pipe connector has a coupling with a first cylindrical land, a second cylindrical land, and a third cylindrical land. There is a first annular recess defined between the first cylindrical land and the second cylindrical land, and a second annular recess... | 12/22/1998 |
| 5722701 | Method and assembly for joining pipes An assembly for joining pipes which completely prevents fluid from leaking from connections of pipes when they are joined, in which a seal member is wrapped around connections of pipes disposed longitudinally to one another, a watertight device is placed ... | 03/03/1998 |
| 5674588 | Welding sleeve for plastic pipe A welding sleeve includes a sleeve body having a recess for receiving a plug contact. The recess has sidewalls and a bottom wall. The bottom wall is provided with a projection which defines with the side walls of the recess a pair of slots. The plug conta... | 10/07/1997 |
| 5411300 | Hose connecting assembly A hose connecting assembly comprises a connecting tube 1 made of a resin, flexible hoses 21, 22 and 23 each having a reinforced layer which is braided with reinforcing threads, into which the connecting tube 1 is inserted, and a resin cover 3 which covers... | 05/02/1995 |
| 5406983 | Corrosion-resistant composite couplings and tubular connections A corrosion-resistant connection for use with tubular members having externally threaded ends. The connection includes a stress-bearing sleeve member having an interior surface and an exterior surface; and a fiber-filled polymeric composite shell having a... | 04/18/1995 |
| 5364130 | Coupling for tubular plastic pipes with liner of socket and liner of pipes being heat weldable Pipes to be joined and a pipe coupling have an outer sleeve made of a material optimized for linear and radial strength and positive connection and an inner portion or liner optimized for chemical inertness and the tightness of the connection. The pipes a... | 11/15/1994 |
| 5354100 | Weldable pipe fittings and pipe joints formed therewith A weldable pipe fitting includes a sleeve member of thermoplastic material, the sleeve member having a stress resistant portion of greater wall thickness, a terminal portion of greater wall thickness, and a fusion accommodating portion of lesser wall thic... | 10/11/1994 |
| 5335944 | Hose coupling structure In order to easily automate the coupling work of a pipe and a hose without damaging the mechanical strength of the structure, a hose with a coupling portion includes a nipple, a hose inserted into the end portion of the nipple, and a resin covering portio... | 08/09/1994 |
| 5295719 | Connection assembly for vehicle engine coolant circuits A connection assembly for vehicle engine coolant circuits, wherein a tubular multiway distributing element presents respective tubular appendixes fitted with the end portion of a branch pipe. The pipe and tubular appendix are made integral by means of a t... | 03/22/1994 |
| 5248173 | Pipe joint assembly Disclosed is a pipe joint assembly comprising: a first and second pipe having smooth, essentially cylindrical ends; an elastomeric tape which is essentially triangular in cross-section, said tape having two surfaces, one of which is flat and the other of ... | 09/28/1993 |
| 5217667 | Method for making conduits having a shock absorbing shell A concrete conduit is completely encased within a shell of a plastic resin such as polyethylene. The plastic shell functions to insulate the concrete conduit from mechanical shocks thereby preventing breakage and cracking of the conduit. The shell also ef... | 06/08/1993 |
| 5163713 | Electro-fusion fittings An electro-fusion pipe coupler includes an outer shell and an electric resistance heating coil secured therein by an intervening layer of injection moulded thermoplastic material. The coupler is made by winding the wire onto a core which consists of two s... | 11/17/1992 |
| 5152557 | Plastic coupling with ring for adhesion to a tubular member A coupling for joining two tubes is manufactured of a material different from the material of the tubes. The coupling includes two parts, which can be coupled to each other. Each part includes a body with an axial bore for receiving an end of the tube. Th... | 10/06/1992 |
| 5125690 | Pipe joining system and method In a plastic pipe joining system a plastic sleeve is provided to extend on both sides beyond the region of contact or closest approach to one another of pipes to be joined with the sleeve being fused to both pipes, the sleeve heated to Curie temperature o... | 06/30/1992 |
| 5092632 | Structure for coupling resin tubes by the use of a bracket A structure for coupling resin tubes by the use of a bracket, comprises tubes made of resin, a pipe or insert made of metal and inserted into one end of the tubes, and a bracket made of resin and surrounding the insert and the tubes where the insert is in... | 03/03/1992 |
| 5058934 | Flexible and extendible pipe section A flexible and extendible pipe fitting for plastic pipe comprises a tubular bellows capable of being axially expanded and contracted and an inner lining for laminar fluid flow, where the lining is completely sealed in a fluid impervious manner to the inte... | 10/22/1991 |
| 4850984 | Tubing connector A one-piece connector has a stepped bore, a first end to accommodate an outlet pipe of an outlet tap of a urine drainage leg bag, and a second end to accomodate a nozzle on an inlet pipe of an overnight drainage bag. The second end includes a hand-grippable ta... | 07/25/1989 |
| 4824147 | Electrically insulated pipe joint An electrically insulated pipe joint comprises first and second metal tubular parts each having a flange at one end. The first and second tubular parts are coupled by a metal coupling sleeve surrounding the flanges and narrowing behind the flanges. A meta... | 04/25/1989 |
| 4807910 | Sleeve joint and method of producing such a sleeve joint A sleeve joint for plastic-sheathed insulated pipes, comprising an oversized joint sleeve of plastic material overlapping the ends of the sheaths of connected pipes with a gap provided between the sleeve and said ends. Spacer means are located in the gap ... | 02/28/1989 |
| 4695335 | Method for developing a predetermined fusing temperature in thermoplastic items A method and apparatus for thermal fusion of thermoplastic pipes. Heat is applied to a joint interface between thermoplastic pipes and a thermoplastic coupling at a slow rate to raise the temperature of the interface to a predetermined preheat temperature... | 09/22/1987 |
| 4673198 | Sewer pipes Sewer pipes and connector means therefor whereby they can be connected during pipe jacking or moling, the connector means including a sleeve element and a resilient sealing ring located in a groove in a spigot portion of the sewer pipe, means also being p... | 06/16/1987 |
| 4627212 | Splice sleeve for reinforcing bars with cylindrical shell A splice sleeve for receiving and connecting adjoining ends of a pair of reinforcing bars or rods in which the sleeve includes a rigid shell having a cylindrical external surface and an internal surface with ridges constructed to provide a wedging action ... | 12/09/1986 |
| 4602148 | Thermoplastic fitting electric heat welding method and apparatus A method and apparatus for electrically heat welding a thermoplastic fitting having an electric resistance heating element disposed therein whereby a regulated quantity of electric power is supplied to the heating element during the welding process and th... | 07/22/1986 |
| 4571488 | Heat-fusion pipe fitting system A thermoplastic heat-fusion pipe fitting system comprising a thermoplastic heat-fusion pipe fitting having a body portion to accommodate pipe and a shaped portion bearing a code indicative of the amount of heat required to effect fusion of the fitting, me... | 02/18/1986 |
| 4353581 | Hose coupling A coupling, a reinforced hose and coupling assembly and a method of making such an assembly is disclosed. The coupling includes an internal recess which in the assembly is filled with elastomeric material to provide a fluid tight seal between the hose and... | 10/12/1982 |
| 4279435 | Gas riser apparatus A gas riser apparatus for conducting gas from a souce of supply to a delivery point such as a meter or the like. The gas riser apparatus is defined by a plastic pipe and a metal pipe which are interconnected within the body of the apparatus by means of a ... | 07/21/1981 |
| 4274662 | Pyrotechnical welding sleeve connector for the joining of molded components, especially pipes, of a thermoplastic synthetic resin A welding sleeve connector for the connection of molded components made of a thermoplastic synthetic resin employs the heat energy generated by pyrotechnical material. This connector has a thermoplastic sleeve and a plurality of pyrotechnical heating char... | 06/23/1981 |
