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| Number | Title | Issue Date |
| 6354330 | Lining of pipelines with a flexible lining including a heat curable resin by curling in stages A method of lining an existing pipeline or passageway with a lining tube of a resin absorbent material impregnated with a curable synthetic resin is provided. A lining tube inserted into the pipeline and urged by pressure against the pipeline or passagewa... | 03/12/2002 |
| 5758693 | Hose end cap with clamp mechanism An end cap for a flexible hose is provided which includes a depending pivotable member attached to an outer wall. The pivotable member can be swung upwardly between the inner and outer walls of the end cap to secure the end of a flexible hose therein. The... | 06/02/1998 |
| 5709142 | Cooking oven and method A cooking oven and method of cooking vertically arrayed food carrying skewers movably attached and carried in a horizontal endless travel path by conveyor means to encircle a heating element array within a single open cooking oven chamber so as to constan... | 01/20/1998 |
| 5682926 | Channel system with a cross-section with rounded corners and method for manufacturing elements therein A thin wall system for providing a channel includes a plurality of planar basic parts for forming planar wall parts of the system, and a plurality of arcuate basic parts. The arcuate basic parts extend in a longitudinal direction and curve in a transverse... | 11/04/1997 |
| 5678610 | Composite tube and method of manufacture A composite tube for use in such applications as an automobile heater hose has inner and outer tubes. The inner tube has a corrugated central section and cylindrical end portions. The outer tube is bonded to the end portions of the inner tube and to the c... | 10/21/1997 |
| 5653264 | Fluid orifice device having encoded orifice size indicia An orifice device includes a pneumatic orifice fitting having a molded tubular plastic body with attachment ends for connecting into a pneumatic system. The body is formed of a transparent plastic and has a central enlarged hex portion for a threaded conn... | 08/05/1997 |
| 5645109 | Flexible tubular pipe comprising an interlocked armoring web and process for producing it A flexible tubular pipe incorporating, from the inside outward, an inner sealing sleeve or tube, and an armoring comprising a plurality of armoring webs. The armoring includes a first armoring web on which the inner sealing sleeve or tube rests. The first... | 07/08/1997 |
| 5640998 | Tube having a head of a plastic composition including a detachable closure A tube (1) including a head (2) of molded plastic composition and a flexible sidewall (4) affixed to this head (2), including a neck (6 and 7) with an opening (8) connected by a detachable sealed annular portion (11) to a continuous bottom (12) of a closu... | 06/24/1997 |
| 5638868 | Accumulator An improved hydraulic accumulator is introduced wherein a valve mechanism is used to seal a hydraulic fluid before the pressure charged piston reaches the end of the accumulator to minimize the loss of compressed gas by eliminating the pressure differenti... | 06/17/1997 |
| 5638871 | Extruded multiple plastic layer coating bonded to a metal tube and process for making the same A multi-layer tube comprises a metal tube having an outer surface and a zinc layer bonded to the metal tube outer surface, wherein the zinc layer is selected from the group consisting of zinc plating, zinc nickel alloys, zinc cobalt alloys, zinc aluminum ... | 06/17/1997 |
| 5636662 | Quick connect cartridge assembly with plug An assembly includes a quick connect cartridge which is inserted into a port of a valve or manifold in a pneumatic system for coupling external fluid lines of the system to the valve or manifold. The components of the quick connect cartridge and the O-rin... | 06/10/1997 |
| 5634496 | Collapsible tube The invention is an improved cap for a collapsible tube, particularly a tube having tamper evident means as is used on tubes having eye medications. The cap has a flexible substantially cylindrical wall which can be squeezed into an elliptical shape to pe... | 06/03/1997 |
| 5634497 | Hose for suction and discharge of ore slurry or any other abrasive material It is presented a hose (1) for suction and discharge of ore slurry or any other abrasive material, manufactured in accordance with the techniques already known for the manufacture of hoses for transport of abrasive material, which presents a sensor (11) f... | 06/03/1997 |
| 5630447 | Pipe for geothermal heating and cooling systems A conduit for use in a geothermal heating and cooling system which includes an elongated tubular member having first and second ends, the member having an outer surface. A longitudinally extending divider wall is disposed within the tubular member. The di... | 05/20/1997 |
| 5628345 | Point repair system for conduits A repair system for repairing faults in a conduit. A protective skirt protects the leading edge of a repair sleeve on an inflatable mandrel. One or more straps hold the repair sleeve in position as the mandrel is inserted into the conduit. A release liner... | 05/13/1997 |
| 5623971 | Drain and cleanout spacer A drain and cleanout spacer which facilitates height adjustment of the drain strainer and cleanout port after pouring a concrete slab floor. The device comprises two cup-shaped plastic spacers joined by a flexible web. The first spacer has inside dimensio... | 04/29/1997 |
| 5623970 | Field installable choke tube A field installable choke tube apparatus and a method for installing the choke tube into a pulsation dampener of a compressor. The choke tube is insertable into the pulsation dampener through the nozzle of the pulsation dampener. The supporting apparatus ... | 04/29/1997 |
| 5622210 | Flexible hose with composite core A flexible hose comprising a composite polymeric core with a degradation-resistant liner and a thermoplastic elastomeric liner coating, the core preferably being surrounded by a protective sheath. The degradation-resistant liner is optionally a polyolefin... | 04/22/1997 |
| 5622208 | Port protector A plug for ports having a flexible handle to facilitate the removal of the plug from a port. A flange is integrally attached to an end of the plug body and extends radially outwardly from the body. One or more openings are formed in the flange which form ... | 04/22/1997 |
| 5617899 | Orifice metering apparatus and method of fabricating same An apparatus for metering fluid flow through a pipeline in which a housing is provided for connecting to the pipeline and which defines a chamber through which fluid from said pipeline flows. A mounting surface is formed in the chamber and a carrier assem... | 04/08/1997 |
| 5613522 | Shaped fabric products Disclosed are flexible, kink-resistant shaped fabric products which are particularly well adapted for protecting and/or covering elongate substrates, such as cables, conduits, wiring and the like. The shaped fabric products include a wall portion comprisi... | 03/25/1997 |
| 5611374 | Thermally insulating pipe lagging and method of manufacture Thermally insulating pipe lagging comprising a tube of compact and flexible elastomer type material designed to come into contact with the pipe to be insulated and shaped on its inside surface to have a helical groove which provides between its adjacent t... | 03/18/1997 |
| 5609186 | Methods of lining the internal surface of a pipe There is provided a method of lining an existing underground main pipe involving a branch pipe. The method comprises injecting a necessary amount of resin into the branch pipe from an open end thereof, introducing behind the resin a pig apparatus into the... | 03/11/1997 |
| 5592974 | Fluid flow restrictor A restrictor for limiting the volume of fluid flowing from an automotive hose into a heat exchanging device in an automotive heating or air-conditioning system is disclosed. The restrictor includes a generally cylindrical, hollow body disposed in the hose... | 01/14/1997 |
| 5570723 | Support system and method for jacketed multiple cryogenic pipes for cyrogenic fluid transfer An assembly and method for supporting a plurality of individually insulated pipes or conduits inside a vacuum jacket where the insulated pipes are positioned or fixed relative to one another and the inside surface of the vacuum jacket.... | 11/05/1996 |
| 5566719 | Method for lining a branch pipe of an underground pipe A method is proposed for lining a branch pipe from the main pipe; in particular a special sealing mechanism is adopted in attaching the collar of a liner bag onto the flange of a fluid pressure sealing nozzle: stopper tacks are embedded in the collar at a... | 10/22/1996 |
| 5556199 | Vibrator with covering and related method A vibrator for immersion in wet concrete includes a relatively rigid shell with an internal vibrating mechanism. A cover is provided on the shell formed of a material softer than the shell whereby to lessen the effects of the impact of the shell on any en... | 09/17/1996 |
| 5555914 | Cryogenic heat pipe A ceramic composite is provided comprising ceramic fibers and microparticles bound together as a porous matrix with a ceramic binder. The ceramic composite is particularly useful for transporting cryogenic fluids.... | 09/17/1996 |
| 5555916 | Steel product excellent in sulfide cracking resistance A steel product, such as a steel pipe for line-pipe, excellent in sulfide cracking resistance sufficient to accept a CAPCIS test. The steel product is manufactured by rolling or forging to have a matrix not including B type inclusions having lengths of 20... | 09/17/1996 |
| 5544569 | Griddle and heater bag Adjustably spaced vertical heating panels have heated facing surfaces which with end walls and a sliding bottom panel define a vertical heating space wherein chips or other foodstuffs can be cooked.... | 08/13/1996 |
| 5542453 | Pressurized hydraulic piston-cylinder device with internal volume variation compensation The pressurized hydraulic piston-cylinder device with an internal volume variation compensation device includes a hydraulic pressure cylinder; a piston movable in the pressure cylinder; a cap closing the functional end of the pressure cylinder; and a liqu... | 08/06/1996 |
| 5542454 | Free flow low energy pipe protector A pipe protector has been designed to provide free flow and low energy. The outside surface has a bilateral asymmetrical pattern when comparing the approximate top half of the pipe protector to the bottom half of the pipe protector. The pattern has raised... | 08/06/1996 |
| 5540495 | Injection assembly for an injection molding machine The extruder screw drive has a first and a second motor, a screw mechanism connected to the first motor and to the extruder screw for translating it in the extrusion cylinder, and a slide mechanism connected to the second motor and to the extruder screw f... | 07/30/1996 |
| 5528984 | Smoker insert for gas barbecues A smoker insert for a gas barbecue comprises a drip pan designed to be supported by the lower grate of a gas barbecue, and a vertical baffle extending from the drip pan upwards to subdivide the cooking compartment. The drip pan is sized to fit on about 1/... | 06/25/1996 |
| 5529092 | Air duct turning vane and rail assembly An air turning vane and rail assembly for use in heating, ventilating and air conditioning ducts is provided. The rail is formed with tabs that are partially punched from the sheet metal rail and bent to a position perpendicular to the rail. The tabs are ... | 06/25/1996 |
| 5528980 | Electric toaster The pop-up toaster has a toaster body provided with a slot for insertion of an article to be toasted, a toaster carriage for the article, electric toasting elements in an interior of the toaster body for toasting the article and a flame barrier device for... | 06/25/1996 |
| 5526847 | Pipes with integral sockets A circumferentially or biaxially oriented plastics pipe comprising a body with an integral socket at one end thereof The socket has a wall of lesser axial draw than the body of the pipe.... | 06/18/1996 |
| 5524675 | Pig safety device A safety device for automatically preventing an injectile propelled within a pipeline having a terminus from inadvertently escaping the pipeline at a coupling point. The safety device automatically engages upon decoupling, thereby safe-guarding the pipeli... | 06/11/1996 |
| 5522111 | Finishing trowel handle A finishing trowel comprised of a blade, a mounting and a handle, wherein the handle is hollow and has a square mounting hole for receiving a square mounting surface. A plastic handle is comprised of a durable inner core material and a grippable outer mem... | 06/04/1996 |
| 5520223 | Extruded multiple plastic layer coating bonded to the outer surface of a metal tube having an optical non-reactive inner layer and process for making the same A multi-layer tube having a metal tube having an outer surface and a zinc layer bonded to the metal tube outer surface. The zinc layer being selected from the group consisting of zinc plating, zinc nickel alloys, zinc cobalt alloys, zinc aluminum alloys, ... | 05/28/1996 |
