Class 285/179.1 - With access opening

Subclass of Class 285 - Pipe joints or couplings
Definition: Subject matter having an opening with a closure or having
No. of patents: 27
Last issue date: 11/27/2007

Number	Title	Issue Date
7300074	Elbow fitting with step feature for pneumatic transport system An elbow fitting is used in a pneumatic product conveying system in which the fitting expands from the inlet pipe along the outer side of the elbow fitting to enable a layer of accumulated product particles to be formed so as to move at a lower velocity than the vel...	11/27/2007
7017615	Protector A protector includes a main body, lids, hinges, and lock portions. The main body including a bottom wall, a first sidewall, and a second sidewall. The lids are coupled to the main body through the hinges. The lock portions are disposed between the lids and the main ...	03/28/2006
7007986	Access cover fastening device A hollow aluminum pole has access to its interior through a hand hole frame having an access aperture which can be blocked by a cover having a lower end pivotally attached to the hand hole frame by a pivot pin. The pivot pin is biased inwardly by a coil spring which...	03/07/2006
6951354	Elbow fitting for pneumatic transport system An elbow fitting for use in a pneumatic product conveying system expands from the inlet pipe along the outer side of the elbow fitting and contracts along the outer side of the fitting toward the outlet pipe for guiding product particles into the outlet pipe. The ex...	10/04/2005
6799608	Bent pipe and a method for preparing thereof There is an object to provide a technique of forming a proper abrasion resistance layer by a thermal spraying and fusing of a self fluxing alloy. The object may be solved by cutting the pipe body along a curved face that is perpendicular to a plane including ...	10/05/2004
6694827	Fluid coupling with a torque indication device A fluid coupling capable of indicating proper tightening includes a fitting body having a flared end with a back side. The fitting body also includes an indicator spaced a predetermined distance away from the back side. A threaded nut is positioned around...	02/24/2004
6637777	Low-profile conduit elbow A conduit elbow assembly includes a hollow conduit piece having an end with an outer diameter, a body and a cap. The body has a first connective end with an end bore at the first connective end receiving the hollow conduit piece therein. A male fitting is...	10/28/2003
6247869	Tubing connector A tubing connector adapted to receive portions of a plurality of elongate substantially rigid tubes and to hold them in a defined angular relationship relative to each other. The connector has a body with a plurality of tube-receiving and holding aperture...	06/19/2001
6161876	Elbow connection for tubular manifold for a motor vehicle air-conditioning condenser A device inserted through a tubular wall by means of a cylindrical flange surrounding a through-bore which is used to insert a tool for flaving the annular region defined by the flange around the bore on the inside of said wall, so that the device may be ...	12/19/2000
6155609	Connector for joining protective ducts of hoses for the installation of insulated electrical conductors in an aircraft Connectors for joining protective ducts and/or hoses for the installation of insulated electrical conductors and/or cables in an aircraft are equipped with lids that are easily opened even without a tool. The lids are preferably permanently secured to the...	12/05/2000
6074130	Inside drop system for manholes A manhole drop system is described which is convenient to inspect. A catch bowl made of an integral structure is formed to capture and channel sewer fluid entering a manhole an elevation that is above a bottom located sewer line. The catch bowl has its up...	06/13/2000
5901986	Connector for joining protective ducts or hoses for the installation of insulated electrical conductors in an aircraft Connectors for joining protective ducts and/or hoses for the installation of insulated electrical conductors and/or cables in an aircraft are equipped with lids that are easily opened even without a tool. The lids are preferably permanently secured to the...	05/11/1999
5758908	Oil cooler with improved coolant hose connection An oil cooler (16) including an oil cooler housing (22) and a coolant hose connection (24) for transferring a coolant flow between a coolant hose (28) and the oil cooler housing (22), wherein the hose connection (24) changes the direction of the coolant f...	06/02/1998
5676404	Low profile flanged tee A one piece, low-profile hopper tee is provided having a transverse, elongated hollow pipe section with an inlet opening formed at a midpoint in the top side and an integral flange formed around the inlet opening for attaching the hopper tee to an outlet ...	10/14/1997
5590916	Renewable wear-proof elbow with a detachable buffer chamber A renewable wear-proof elbow is disclosed which can be connected to a pipe and become a part thereof for transporting particles of powdered material via compressed air. The renewable wear-proof elbow comprises a main elbow portion and a buffer chamber. Th...	01/07/1997
5533763	Elbow with access opening An elbow for a suspension device supporting a control element or the like, the elbow comprising two support arm fastening walls oriented at an angle to each other, on which support arms, which are embodied as hollow profiled sections, can be fastened. The...	07/09/1996
5398976	Connecting device for pipe assemblies A device for providing access to the interstitial region between an inner pipe and an outer pipe which coaxially define the region. The inner pipe has at least one terminal end extending from the outer pipe to leave a portion of the outer wall of the inne...	03/21/1995
5060984	Short radius, low wear elbow A long lasting elbow allowing sharp turns in particulate material handling systems without having undue wear of the elbow is formed with a chamber aligned with but axially offset from the entry port of the elbow. The effect of this chamber is to provide a...	10/29/1991
5016923	Erosion resistant elbow conduit A conduit structure including a first conduit pipe in fluid communication with a second conduit pipe. The first conduit pipe is defined by a first axis, with a bull head pipe extending beyond the second conduit defined by a third axis parallel to and offs...	05/21/1991
5016924	Joint elbow assembly for wiring A joint elbow assembly for wiring comprises a pipe elbow, two annular nuts, and a plurality of roller assemblies. The pipe elbow comprises a lower housing and a detachable upper housing. A plurality of flanges are formed on the outer periphery of the lowe...	05/21/1991
4995645	Elbow connection for pneumatic conveying system An elbow connection for pneumatic conveying systems is provided. The elbow has an inlet opening, an outlet opening and a curved area of short radius extending therebetween. The section of the elbow between the inlet and outlet openings has a cross-section...	02/26/1991
4736968	Coupling device for coupling a hose to a drain pipe A novel device for use in combination with a coupling device for coupling a drain hose to a drain pipe outlet from a waste holding tank of a trailer is provided herein. It includes a hollow cylindrical section to which that drain hose is adapted to be cla...	04/12/1988
4508371	Easy access pulley box A cover plate for an easy access pulley box conduit coupler has pairs of split ear elements extending normal thereto, which each define a slot structure. A pulley shaft extends through opposed walls of the pulley box. In assembly of the box and the cover ...	04/02/1985
4387914	Short radius, low wear elbow An elbow is disclosed for use in effecting short radius turns in fluent transport systems while overcoming the previous problem of high wear at the turn. The subject elbow includes entry and exit ports at right angles to each other, an arcuate channel ext...	06/14/1983
4239602	Ascension pipe elbow lid for coke ovens An improved ascension pipe elbow lid for coke ovens forms a communication means between the coke oven and the volatile products collecting main. The improved structure incorporates a vent which is sealed to prevent the escape of pollutants into the atmosp...	12/16/1980
4181330	Horn shaped multi-inlet pipe fitting A horn shaped multi-inlet pipe joint for connecting a vertical pipe or pipes to a horizontal main pipe. The pipe joint comprises a horn shaped body in which a clearance is formed for diffusing drainage from the pipes and a chute surface is provided for co...	01/01/1980
3967324	Flexible trap for a waste line assembly A flexible trap for a waste line assembly of a toilet includes a U-shaped portion having a pair of upwardly extending legs and a lower section having a threaded hole therethrough. A threaded plug threadably engages the threaded hole. A linear portion havi...	07/06/1976

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Class 285/179.1 - With access opening