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Class 285/145.5 - Bellows-type


Subclass of Class 285 - Pipe joints or couplings
Definition: Subject matter wherein the sleeve is resiliently deformable.
No. of patents: 11
Last issue date: 07/15/2008


NumberTitleIssue Date
7399002Cryogenic 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 pip...
07/15/2008
7137651Fluid piping systems and pipe spools suitable for sub sea use
A fluid piping system and pipe spools are provided. The fluid piping system has at least one pipe spool. The pipe spool has an inner wall and an outer wall with at insulating area defined at least in part by the inner and outer wall. The insulating area of the pipe ...
11/21/2006
7040666Full port externally gimballed joint
A gimballed joint includes an annular bellows seal circumscribed about a joint centerline mounted within forward and aft shrouds having clevises with lugs and a threaded hole disposed through each of lugs. A ring circumscribed about the lugs has counterbored holes. ...
05/09/2006
7013887Absorber pipe for solar heating applications
The absorber pipe (1), especially for a parabolic collector for a solar heat collecting apparatus, is described. The absorber pipe (1) includes central metal pipe (3), a glass sleeve tube (2) surrounding the nine so that an annular space ...
03/21/2006
6695358Controlled leak cryogenic bayonet pipe spool and system
A cryogenic fluid piping system is provided with two or more coupled pipe spools, each spool having an inner and outer pipe, the inner for carrying cryogenic fluid. The pipe spools are also configured with a bayonet connection to allow expansion and contr...
02/24/2004
6623043Fluid transfer boom with coaxial fluid ducts
The invention relates to a storage structure having a fluid transfer boom for transfer of cryogenic liquids such as liquified natural gas (LNG) from a first storage structure to a vessel. The boom has two arms which are rotatably connected at their first ...
09/23/2003
6533334Vacuum-jacketed bayonet pipe spool and pipe spool system for cryogenic fluid
A vacuum-jacketed bayonet pipe spool system for cryogenic fluid. The pipe spool comprises a male bayonet to fit within a female bayonet of an opposing pipe and an expansion-contraction second bellows about the outer end of the male bayonet for stress-free...
03/18/2003
6390138Low restriction hose and seal assembly
A polymeric hose assembly including a male hose inserted within a female hose connects an air cleaner to an internal combustion engine. An elastomeric seal including a plurality of bellows is bonded around the circumference of the exterior surfaces of the...
05/21/2002
5192094Expansion pipe joint
An expansion pipe joint includes an inner sleeve having an annular projection formed on an outer surface thereof, and an outer sleeve surrounding the inner sleeve and having an annular groove formed on an inner surface thereof. An elastic ring is mounted ...
03/09/1993
4650224Apparatus for discharging sewage from travel trailers and the like
An apparatus for discharging sewage from a holding tank on a travel trailer or the like to a sewer inlet includes a flexible inlet coupling section for connecting to the discharge fitting on the holding tank, an L-shaped fixed outlet coupling section for ...
03/17/1987
4593941Diverter flex joint
This invention provides for an assembly of elements for conducting fluids where such fluids subject the interior of this assembly to a pressure greater than the pressure exerted on the exterior of the assembly by an ambient fluid. The assembly comprises a...
06/10/1986
 
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