Class 285/21.3 - Having solvent facilitator

Subclass of Class 285 - Pipe joints or couplings
Definition: Subject matter in which a fluid is used to dissolve portions
No. of patents: 28
Last issue date: 05/29/2007

Number	Title	Issue Date
7222885	Drain seal for vehicle drain tube A drain seal for connecting a drain tube to a support structure includes a molded unitary body having first and second moldingly joined portions, each formed of dissimilar durometer materials. The first portion is formed to sealingly join the body to a drain tube. T...	05/29/2007
7007716	Branchtubing for pipework The invention relates to a branch piece for a pipework, comprising a body (1) including at least one branch fitting (2). A connecting piece (3) is arrangeable in the branch fitting (2). The branch piece includes a locking means made up of...	03/07/2006
6913295	Fuel tank connector A connector for a fuel tank includes a flange portion, an outer connecting portion to be connected to a pipe member and an inner connecting portion to be inserted into a fuel tank through a connecting opening of the fuel tank. The inner connecting portion has an eng...	07/05/2005
6902201	Device and method for mounting a saddle hub on a pipe and corresponding tap The invention concerns a method whereby after the saddle hub (3) has been placed on the pipe (2a, 2b, 2c), the open and deformable ring (4) is closed back on the pipe, the screw (5) is folded down and th...	06/07/2005
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
6450543	Tube connection structure of fluid pressure-operated apparatus An insert section of an insert member is inserted into a tube member in a state in which the insert member is detached from a recess to form a diametrally expanded section on the tube member. Subsequently, the insert member is fitted to the recess to inst...	09/17/2002
6164337	Plumbing apparatus A bubble jet fitting for use in a pool or spa provides for a lay-length short enough to allow its installation within a six-inch dam wall. The bubble jet fitting has an outlet portion which in one use provides for solvent welding therein of either one of ...	12/26/2000
6017064	Apparatus and methods for forming lateral openings in main pipelines and restraining apparatus for main and lateral pipe joints In a piping system having a main pipe or fitting joined to a lateral pipe, a restraint body or sling extends about the fitting or main pipe and is secured at opposite ends to the lateral pipe. The lateral pipe, main pipe or fitting and restraint body are ...	01/25/2000
5927757	Hose assemblies A vacuum cleaner hose assembly has a corrugated, flexible hose with fittings at opposite ends for connection to the vacuum cleaner suction inlet and to a cleaning head. A tube or cable extends along the assembly for supply of cleaning fluid or electrical ...	07/27/1999
5915736	Integrally formed whip assembly for electrically interconnecting electrical appliances to a power source A one piece integrally formed liquid tight connection or "whip" assembly for electrically interconnecting electrical appliances, such as air conditioning units, hot tubs, swimming pools and outdoor lighting fixtures, to one another and/or to a power sourc...	06/29/1999
5848811	Apparatus for solvent bonding non-porous materials to automatically create variable bond charteristics An apparatus which creates a pre-engineered solvent bond is disclosed which acts to self-optimize the characteristics of the resultant solvent bond. These characteristics can thus be chosen by the part designer with confidence that inherent variations in ...	12/15/1998
5842496	Hot tap connection and method for production thereof A hot tap connection comprising: (i) a main supply pipe, (ii) a side branch pipe connected to the main supply pipe, (iii) a reinforcing saddle surrounding the main supply pipe and the side branch pipe, (iv) a first gap between the main supply pipe and the...	12/01/1998
5786054	Inductive welding of thermoplastic pipe Forming a novel double containment polymeric piping assembly by interfitting slidably interfittable polymeric inner pipe components, including a first induction responsive layer therebetween, and slidably interfittable polymeric outer pipe components, pre...	07/28/1998
5730472	Flangeless pipe joint and a process for manufacturing such a joint A flangeless pipe joint for polymer-lined piping in which the piping is joined by a coupling and the lining is slip, loose, interference or swaged fitted into the pipes and joined at the ends thereof against relative movement....	03/24/1998
5573279	Quick connect coupling A quick connect coupling for tubing. The coupling includes a tubular male connector member adapted to be telescopically received within a tubular female connector member assembly. The female assembly includes a first member defining a seal bore and a cyli...	11/12/1996
5460413	Method and apparatus for solvent bonding non-porous materials to automatically create variable bond characteristics An apparatus which creates a pre-engineered solvent bond is disclosed which acts to self-optimize the characteristics of the resultant solvent bond. These characteristics can thus be chosen by the part designer with confidence that inherent variations in ...	10/24/1995
5336351	Method for connecting a pipe connector to a hard plastic pipe A flexible pipe connector is disclosed for connecting to a hard plastic pipe. The flexible pipe connector, preferably made of polyethylene, has a tubing member which defines a cylindrical wall with inner and outer surfaces, the cylindrical wall having a m...	08/09/1994
4606558	Plastic pipe fitting A plastic pipe fitting includes a mounting section to be secured to a main pipe and a stem and a collar for receiving an end of a branch pipe. Flexible arms extend partially around the main pipe diverging from the outside surface of that pipe. The fitting...	08/19/1986
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
4536644	Arrangement for welding together thermoplastic molded members An arrangement for welding together molded members consisting essentially of thermoplastic materials having abutting surfaces which extend generally parallel to each other at which a welding connection is made by electrical heat conductors located at the ...	08/20/1985
4523740	Rotatable unitary ball valve A rotatable unitary ball valve is provided, comprising, in combination: (1) a unitary valve housing of plastic material defining a ball valve chamber, intercommunicating first and second fluid ports and first and second fluid passages, and a threaded end conne...	06/18/1985
4436987	Weld connection for plastic pipe An apparatus for forming a weld connection with plastic pipe comprises two molded parts and two heating mats. Each part has an internal surface corresponding to a peripheral portion of the pipe being welded such that a cavity for receiving the pipe is def...	03/13/1984
4281856	Wet-dry cementable coupling for plastic pipe A cementable coupling for plastic pipe, that may be employed whether the parts are wet or dry, including cementable fitting and sleeve members that initially provide a dry seal near the end of the pipe, permitting initial drying of the pipe upstream of th...	08/04/1981
4260181	Pipe coupling A pipe coupling useful in plumbing systems formed of unthreaded pipes for repairing damaged portions of said systems, particularly those portions occurring immediately adjacent emplaced couplings, such as an L or T coupling. A coupling in accordance with ...	04/07/1981
4181549	Solvent-bonded joint and method of making the same A solvent-bonded joint between plastic members, and a method of making the same, particularly useful where such members are intended to convey fluids such as sterile medical solutions. The joint includes a pair of members joined at a zone of interference,...	01/01/1980
4137117	Method of making a solvent-bonded joint A solvent-bonded joint between plastic members, and a method of making the same, particularly useful where such members are intended to convey flowable materials such as sterile medical solutions. The joint includes a pair of members joined at a zone of i...	01/30/1979
4044789	Sanitary diversion valve An improved sanitary diversion valve is disclosed which provides a better seal to plastic sanitary pipe, is corrosion resistant, has an improved valve core retention mechanism, and a sealed access to prevent leakage and tampering. A resilient O-ring core ...	08/30/1977

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Class 285/21.3 - Having solvent facilitator