Class 138/169 - Diversity of seam

Subclass of Class 138 - Pipes and tubular conduits
Definition: Device wherein the seam forming structure changes its character
No. of patents: 32
Last issue date: 07/10/2007

Number	Title	Issue Date
7241482	Protective sheath reclosable by overlapping and use thereof The invention concerns a protective sheath reclosable by overlapping comprising an outer longitudinal edge (10a) adapted to overlap an inner longitudinal edge (10b) of the sheath (10) in an overlap portion (13). Adhesive mea...	07/10/2007
7159620	Pipe blanket to fit a variety of pipe diameters A pipe blanket is provided for wrapping around and insulating a pipe. The pipe blanket comprises an insulation mat having an outer surface and an inner surface adapted to lie adjacent the pipe when the pipe blanket is wrapped around the pipe. An outer cover of the p...	01/09/2007
7013929	Self-closing thermal protection sheath and its method of fabrication A self-closing thermal protection sheath includes an interleaved structure comprising firstly a monofilament and secondly strips of metallized foil. ...	03/21/2006
6964282	Coated fibrous pipe insulation system A pipe insulation system includes a tubular core of fibrous insulation and a flexible closed cell foam layer overlaying the core and forming an outer surface of the system. The tubular core has a first longitudinal slit extending completely through the wall of the c...	11/15/2005
6907907	Removable pipe valve insulation cover In accordance with the present invention, a pipe insulation cover comprises a flexible planar and generally rectangular sheet having opposite long and short sides. Gathering structure is connected to each of the short sides, and releasably fastening structure is con...	06/21/2005
6904941	Helically formed cylinder of varying length and diameter A variable diameter cylinder made from a sheet having first and second edges that are opposite to each other and that slideably connect with each other to form a helical joint of a cylinder such that sliding the edges of the sheet along the joint varies a diameter a...	06/14/2005
6843276	Corrugated tube and method for producing the same In a corrugated tube, a tubular body is provided with a first slit which extends in an axial direction of the tubular body. The tubular body formed with a plurality of hollow ridge portions extending in a circumferential direction of the tubular body on an outer per...	01/18/2005
6782922	Coated fibrous pipe insulation system A pipe insulation system includes a tubular core of fibrous insulation that is coated with a pliable polymer. The coated tubular core has a first longitudinal slit extending completely through the wall of the core and a second longitudinal slit in the inner surface ...	08/31/2004
6736166	Casing spacer A casing spacer comprised of a pair of bands formed in a semi-circular configuration of a desired radius. Each band has a plurality of threaded studs that extend radially outward from the outside radial surface of each of the bands. The bands have a plurality of sel...	05/18/2004
6634390	Insulation cover A removable/reusable insulating cover includes an insulating material, a flexible and puncture resistant coating, a flap which is an extension of the coating and a hinge which is an integral part of the coating. The system provides a flexible yet durable ...	10/21/2003
6582655	Insulation coverage system and method for inhibiting biological contamination A thermoformed PVC, modified PVC, CPVC, metal or coated metal cover, covering system and method is provided for covering assemblies of pipe and pipe insulation, hangers, support rods and mechanical assemblies wherein the assembly is biocide treated, cover...	06/24/2003
6575198	Method of connecting two elongated portions of metallic plate, method of manufacturing exhaust pipe of two-passage construction, and exhaust pipe of two-passage construction In manufacturing an exhaust pipe of two-passage construction, a metallic plate having a first end and a second end respectively elongated in a longitudinal direction of the exhaust pipe is prepared. The metallic plate is bent into a substantially S shape ...	06/10/2003
6571833	Optic cable conduit insert and method of manufacture A conduit sleeve structure for use with fiber optic cables, coaxial cables and the like includes a pair of adjacent strip-shaped layers of flexible material that are joined along their longitudinal edges to define a channel through which the cable can ext...	06/03/2003
6527013	Insulated jackets for hot and cold piping systems and for hot and cold air ducting systems and methods of use The disclosure relates to a plastic jacket having air spaces formed by spaced walls used to insulate hot and cold piping systems and the fittings for those systems. The jacket is made from multiple segments, which are joined together along their longitudi...	03/04/2003
6520215	Tubular bar with integral rolled locking system and method of making same The modular grill for vehicles such as trucks includes an elongated screen of generally rectangular configuration, with the longest dimension extending horizontally and with the screen having inner and outer surfaces. A plurality of vertically spaced elon...	02/18/2003
6516833	Helically wound reinforcing components for flexible tubular conduits This invention relates to flexible tubular conduits or pipes particularly in situations where the conduits need to withstand relatively high pressures. In such cases, the conduits are reinforced by helically wound armor which is compliant in flexure, and ...	02/11/2003
6497255	Floor panel for air handling unit A floor panel for use in an air handling unit that provides a thermal barrier to the passage of heat. The panel is reinforced internally so that it can support a heavy piece of air handling equipment inside the unit such as an air conditioner heat exchang...	12/24/2002
6431216	Protective tube assembly A protection device for protecting a cylindrical structure has a pair of sections. The pair of sections when assembled form a tube. Each of the sections has inclined opposing mating surfaces. The sections have interlocking structures to resist longitudina...	08/13/2002
6382260	Water resistant adjustable jackets for insulated pipe bends An adjustable jacket and method of covering an insulated conduit, the jacket having two parts which together form a cylindrical configuration over the insulated conduit. Overlapping flanges of the two parts equipped with grooves and ridges allow tightenin...	05/07/2002
6374865	Method and apparatus for manufacturing a header pipe In the method and apparatus of making a header pipe, the end faces of the edge portions of a flat plate, which have been respectively cut into a given shape according to a trimming operation, are then respectively face-struck into a linear shape. Also, in...	04/23/2002
6315005	Water resistant adjustable jackets for insulated pipe bends An adjustable jacket and method of covering an insulated conduit, the jacket having two parts which together form a cylindrical configuration over the insulated conduit. Overlapping flanges of the two parts equipped with grooves and ridges allow tightenin...	11/13/2001
6240967	Sleeve assembly for protecting conducting wires against damage by cutting implements A protective sleeve assembly for preventing damage to a power cord providing alternating voltage and current to an electric cutting implement during the inadvertent contact between the edge of the blade assembly of the cutting implement and the power cord...	06/05/2001
6230750	Insulating air conduit This invention is related to ultra-light conduit for used air and a method for construction of such a conduit with sandwich sheet type of material such as "THERMO-FOIL™" permitting to avoid losses of heat and humid air. The method of construction of a u...	05/15/2001
6032702	Sheathing strip with mating side edges A sheathing strip with mating side edges that includes a flexible plastic film sheathing strip having a nominal thickness of less than twenty thousandths of one inch, first and second side surfaces, and first and second strip side edges; a first mating si...	03/07/2000
6016846	Pipe insulation sleeve Pipe insulation sleeve and adhesive construction therefor, having a reduced amount of stress applied to the adhesive. A flexible foamed elastomeric tubular pipe insulation sleeve has a longitudinally extending slit which enables the sleeve or jacket to be...	01/25/2000
5873391	Pressure-expandable conduit liner Conduit liners and methods for their construction and use are provided. The liners include a first flexible layer mechanically bonded to at least one glass-containing layer and folded to form a tubular laminate. The laminate can be penetrable by resinous ...	02/23/1999
5775379	Insulation jacket for fluid carrying conduits A removable insulation jacket for a fluid carrying conduit includes an inner backing layer preformed to securely fit around the conduit. Insulation material is affixed to the inner backing layer and joined to an outer shell. The insulation jacket is place...	07/07/1998
5566722	Self locking slitted corrugated tubing The present invention relates to corrugated protective sleeves (10) and for enclosing lengths of conducting equipment, such as cables, wiring and tubing, and more particularly to corrugated sleeves (10) and formed of a single piece of plastic. The corruga...	10/22/1996
4838318	Elbow cover for an elbow in pipework A plastics elbow cover (A) capable of being positively and securely mounted on an elbow section of piping. The elbow cover includes a tab (9, 10) extending from each of two sides of a cover section (8) which fits over the pipe. One of the tabs (9) include...	06/13/1989
4713272	Longitudinally divided sleeve of shrinkable material A longitudinally divided cable sleeve has a U-shaped clamp element which coacts with a flexible sheet of heat shrinkable material having a closure element formed along one longitudinal edge. The closure element has a base connected by a neck portion to a ...	12/15/1987
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
3953270	Manufacture of reinforced elastomeric hose This invention comprises a method for manufacturing elastomeric high pressure hose having reinforcement in the form of braided or spiral wrapped textile yarns between extruded inner and outer elastomeric layers. The method includes the steps of extruding ...	04/27/1976

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Class 138/169 - Diversity of seam