Class 285/226 - Bellows

Subclass of Class 285 - Pipe joints or couplings
Definition: Devices comprising a corrugated tube section of flexible
No. of applications: 23
Last issue date: 03/01/2012

Application No.	Application Title	Issue Date
20120049511	Flexible Downspout Extension A downspout extension has multiple connector segments at each opposing end of a flexible central portion to allow the connection of the downspout extension to substantially any conventional downspout configuration. The multiple connector segments at each respective end ...	03/01/2012
20110074147	EXHAUST SYSTEM CONDUIT WITH THERMAL/NOISE INSULATION A flexible conduit for use in a pipe system such as a vehicular exhaust system to provide a torsional or non-torsional joint between two pipes. The conduit has an outer bellows and an inner liner between which a layer of noise/thermal insulation is sandwiched to attenua...	03/31/2011
20110031741	APPARATUS AND METHOD FOR SEALING COLLARS OF DOUBLE-WALL BELLOWS AND DOUBLE-WALL BELLOWS SO OBTAINED THAT CAN BE FITTED WITH CRACK MONITORING Method in which a continuous butt-sealed rim of a collar defined by corresponding concentric ends, without undulations, of a first wall, radially innermost, and a second wall, radially outermost, of a double-wall bellows is obtained as a continuous butt-weld bead on the...	02/10/2011
20100007138	HOSE CONNECTOR WITH TORSIONAL DECOUPLING A hose connector, in particular for exhaust pipes of motor vehicles includes a flexible line element, for example a metal bellows which is supported at one end face in the support member of an attachment carrier with torsional degree of freedom. A tension element is pro...	01/14/2010
20090212558	PRESSURE ISOLATION SYSTEM FOR FLEXIBLE PIPE JOINTS A flexible pipe joint has two annular elastomeric flex elements stacked in a co-axial fashion at an inner radius from a common center of rotation, and at least one elastomeric flex element disposed at an outer radius from the common center of rotation. The flex elements...	08/27/2009
20090184514	FLEXIBLE SEAL AND MOLDED RIGID CHAMBER A connection between an expansion chamber outlet and a rubber cuff that accommodates an inlet portion of a throttle body exhibits an overmolded, hot plate or spin weld type of connection between an expansion chamber wall outlet portion and the rubber cuff. The rubber cu...	07/23/2009
20090045620	DAMPER ROOT RING A damper that provides damping to the motion caused by flow induced vibration of a bellows type expansion joint. The damper is at least partially filled with a damping medium and located at a root region of the bellows type expansion joint convolutions. The damper is ma...	02/19/2009
20080197624	Connection Structure For Different Kinds of Metal Tubes A connection structure for connecting dissimilar metal tubes includes a metal bellows tube (A) having a reinforcement portion (3) disposed on the outer surface of the bellows (5), and a metal tube (B) composed of a material different from that of the bello...	08/21/2008
20080073907	Self purging expansion joint Self purging expansion joint can include first annular seal sleeve connecting bellows to first conduit and second annular seal sleeve connecting bellows to second conduit. Flow-restricting orifice(s) can allow a higher pressure external fluid to flow through the annular...	03/27/2008
20080023959	Flexible downspout connector apparatus A flexible downspout connector apparatus includes a flexible extension pipe, and a first adapter member and a second adapter member, both nested together at one end of the pipe. The first adapter member includes a connection portion for connecting to a downspout outlet ...	01/31/2008
20080012297	Flexible pipe element A flexible pipe element, in particular for the exhaust gas system of a motor vehicle is provided. The pipe element includes a metal bellows (1), with a thread-like or annular corrugated construction, and a metal hose (3), which is positioned coaxially with...	01/17/2008
20070290502	Pipe Penetration System A penetration system for a pipe entering a duct wall at a pipe stub. The penetration system may include a thermal sleeve surrounding the pipe stub and a bellows positioned below the thermal sleeve and about the pipe....	12/20/2007
20070176416	Exhaust pipe joint with insert A connection assembly for pipes is provided. The assembly includes a pipe, a corrugated conduit, a circumferentially expandable and contractable seal positioned between portions of the conduit and the pipe and a clamp encircling the conduit, seal and pipe. The seal is c...	08/02/2007
20070132232	DECOUPLING ELEMENT IMPERVIOUS TO LIQUID FLUIDS For connection of pipelines which are subject to vibration, for example pipelines in vehicle exhaust systems, a liquid-tight decoupling element is used which includes a, e.g. multi-layer wound, metal hose and a tube accommodated in coaxial relationship inside or outside...	06/14/2007
20070046021	Flexible downspout connector apparatus A flexible downspout connector apparatus includes a flexible extension pipe, and a first adapter member and a second adapter member, both nested together at one end of the pipe. The first adapter member includes a connection portion for connecting to a downspout outlet ...	03/01/2007
20070035125	Flexible tube for an exhaust pipe of an automobile The present invention provides a flexible tube for an exhaust pipe for an automobile, which comprises a bellows member (10) corrugated to have alternate ridges (11) and furrows (12) along its outer periphery; outer braids (20) provided to enc...	02/15/2007
20060244259	Coupling structure for pipe end Disclosed is a coupling structure for a pipe end having an enhanced sealing property for a bellows-type pipe. The coupling structure includes a tubular inner sealing portion formed from an elastic material and having an abutment surface against an inner circumference of...	11/02/2006
20060197340	Flexible joint for exhaust pipe A flexible joint for an exhaust pipe includes: a bellows tube having a bellows portion; and an outer part disposed along an outer periphery of the bellows portion. One end portion of the bellows tube and one end portion of the outer part are connected together. An elast...	09/07/2006
20060175828	Cryogenic seal for vacuum-insulated pipe expansion bellows A cryogenic seal for vacuum-insulated pipe systems where the pipe system includes an inner pipe connected to an outer pipe by a bellows. The seal prevents cryogenic liquid from leaking from the inner pipe into the annular vacuum space between the inner and outer pipes i...	08/10/2006
20060061092	High temperature line expansion installation with bellows An flexible coupling is shown for an insulated piping system of the type used to convey steam and other high temperature fluids. The coupling uses a flexible bellows and additional insulating and joining components to couple conventional lengths of insulated pipe. The b...	03/23/2006
20050242577	Exhaust gas bellows expansion joint An exhaust gas bellows expansion joint for joining a first section and a second section of an exhaust pipe. The exhaust gas bellows expansion joint including a first corrugated pipe for conveying exhaust gas through the joint, a protective sleeve, which is inserted in t...	11/03/2005
20050161945	Cantilever wind-exhausting pipe A cantilever wind-exhausting pipe includes plural inflexible pipes, plural flexible pipes and plural joint members respectively provided between every two inflexible pipes to be pivotally turned to adjust the wind port of a lowermost inflexible pipe to a proper position...	07/28/2005
20050006895	Pipe joint This pipe joint comprises a hollow cylindrical joint body made of elastic material such as heat-resistant rubber with a prescribed length, and a circular flange for connecting piping attached to the both sides of the joint body, on the side of the inner circumference of...	01/13/2005

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Class 285/226 - Bellows