A vessel and method for forming the vessel is disclosed, the vessel having a hollow liner, at least one boss, and a filament wound outer shell, wherein at least a portion of the hollow liner if formed by at least one of an co-extrusion blow film molding process, a thermoplastic foiling process, and
A vessel and method for forming the vessel is disclosed, the vessel having a hollow liner, at least one boss, and a filament wound outer shell, wherein at least a portion of the hollow liner if formed by at least one of an co-extrusion blow film molding process, a thermoplastic foiling process, and a coating process.
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1. A method of forming a vessel, the method comprising the steps of: forming a first end cap of a hollow liner, the first end cap including an interfacial layer and a first boss, the interfacial layer defined by an inner surface and a second surface opposing the inner surface, and terminating in an
1. A method of forming a vessel, the method comprising the steps of: forming a first end cap of a hollow liner, the first end cap including an interfacial layer and a first boss, the interfacial layer defined by an inner surface and a second surface opposing the inner surface, and terminating in an end surface;forming a main body of the hollow liner in a step separate from the forming of the first end cap of the hollow liner, the main body having an inner surface and a first end of the main body terminating in an end surface;disposing the first end cap on the main body of the hollow liner, wherein the end surface of the interfacial layer abuts the end surface of the main body to define an interface between the first end cap and the main body of the hollow liner; andforming an outer shell over the main body, the interface, at least a portion of the first boss, and at least a portion of the first end cap of the hollow liner to secure the main body to the first end cap, wherein the inner surface of the interfacial layer and the inner surface of the main body together define an interior cavity of the vessel for containing a pressurized fluid, wherein the inner surface of the main body is a major surface of the interior cavity and the inner surface of the interfacial layer is a minor surface of the interior cavity, wherein at least a first portion of the first boss is disposed between the outer shell and the second surface of the interfacial layer in an axial direction of the first boss and a second portion of the first boss is disposed adjacent the inner surface of the interfacial layer, wherein the interfacial layer is in direct contact with the first portion of the first boss and the second portion of the first boss, and wherein the outer shell is in direct contact with an outer surface of the first boss and the interfacial layer. 2. The method according to claim 1, wherein the interfacial layer of the first end cap cooperates with the first boss to form a substantially fluid-tight seal therebetween. 3. The method according to claim 1, wherein the interfacial layer of the first end cap and the first boss are integrally formed. 4. The method according to claim 1, wherein the first end cap is formed by one of an injection molding process and a thermoforming process. 5. The method according to claim 1, wherein the main body is formed by at least one of a co-extrusion blow film molding process, a thermoplastic foiling process, and a coating process. 6. The method according to claim 1, wherein the outer shell is formed by a filament winding and curing process. 7. The method according to claim 1, further comprising the steps of forming a second end cap of the hollow liner, the second end cap including an interfacial layer and a second boss; disposing the second end cap on the main body of the hollow liner; and forming the outer shell over at least a portion of the second end cap of the hollow liner. 8. The method according to claim 7, wherein the interfacial layer of the second end cap cooperates with the second boss to form a substantially fluid-tight seal therebetween. 9. The method according to claim 7, wherein the interfacial layer of the second end cap and the second boss are integrally formed. 10. The method according to claim 7, wherein the second end cap is formed by one of an injection molding process and a thermoforming process. 11. A vessel comprising: a first end cap including an interfacial layer and a first boss, the interfacial layer defined by an inner surface and a second surface opposing the inner surface, and terminating in an end surface, the first boss having a first component and a second component, wherein the second component abuts an inner surface of the first component and an outer surface of the first component;a thin main body having an inner surface and a first end terminating in an end surface, the end surface at the first end of the main body abutting the end surface of the interfacial layer of the first end cap to define an interface between the first end cap and the main body; andan outer shell formed around at least a portion of the first end cap, the interface, at least a portion of the first boss, and the main body and securing the main body to the first end cap with at least a portion of the first boss disposed between the outer shell and second surface of the interfacial layer in an axial direction of the first boss, wherein the inner surface of the interfacial layer and the inner surface of the main body together define an interior cavity of the vessel for containing a pressurized fluid, wherein the inner surface of the main body is a major surface of the interior cavity and the inner surface of the interfacial layer is a minor surface of the interior cavity, and wherein the outer shell is in direct contact with an outer surface of the first boss and the interfacial layer. 12. The vessel according to claim 11, further comprising a second end cap including an interfacial layer and a second boss. 13. The vessel according to claim 12, wherein at least one of the interfacial layer of the first end cap and the first boss are integrally formed and the interfacial layer of the second end cap and the second boss are integrally formed. 14. The vessel according to claim 12, wherein at least one of the first end cap and the second end cap is formed by one of an injection molding process and a thermoforming process. 15. The vessel according to claim 11, wherein the main body is formed by at least one of a co-extrusion blow film molding process, a thermoplastic foiling process, and a coating process. 16. A method of forming a vessel comprising: disposing a first end cap on a first end of a main body, the first end cap and the main body formed in separate steps, the first end of the main body having an inner surface and a second surface opposing the inner surface, and terminating in an end surface, wherein the first end cap includes a first boss and an interfacial layer having an inner surface and terminating in an end surface, the end surface at the first end of the main body abutting the end surface of the interfacial layer of the first end cap to define a first interface between the first end cap and the main body, wherein the first boss has a first component, a second component, and a first gasket, the first component of the first boss cooperating with the second component of the first boss to secure the interfacial layer of the first end cap therebetween, and the first gasket of the first boss disposed between the first component of the first boss and the interfacial layer of the first end cap in an axial direction of the first boss to form a substantially fluid tight seal therebetween;disposing a second end cap on a second end of the main body, the second end cap and the main body formed in separate steps, the second end disposed opposite the first end of the main body, the second end of the main body having an inner surface and terminating in an end surface, wherein the second end cap includes a second boss and an interfacial layer terminating in an end surface, the end surface at the second end of the main body abutting the end surface of the interfacial layer of the second end cap to define a second interface between the first end cap and the main body, wherein the second boss has a first component, a second component, and a first gasket the first component of the second boss cooperating with the second component of the second boss to secure the interfacial layer of the second end cap therebetween and the first gasket of the second boss disposed between the first component of the second boss and the interfacial layer of the second end cap in an axial direction of the second boss to form a substantially fluid tight seal therebetween; andforming an outer shell around the main body, at least a portion of the first boss, at least a portion of the second boss, the first interface, the second interface, and at least a portion of the first end cap and at least a portion of the second end cap, to secure the main body to the first end cap, wherein the inner surfaces of the interfacial layers and the inner surface of the main body together define an interior cavity of the vessel for containing a pressurized fluid, wherein the inner surface of the main body is a major surface of the interior cavity and the inner surfaces of the interfacial layers are a minor surface of the interior cavity, wherein at least a portion of each of the first boss and the second boss is disposed between the outer shell and the second surface of the interfacial layer in an axial direction of the boss, and wherein the outer shell is in direct contact with an outer surface of the first boss, an outer surface of the second boss, the interfacial layer of the first end cap, and the interfacial layer of the second end cap. 17. The method of claim 16, further comprising forming the main body by a coextrusion blow film molding process prior to the disposing step. 18. The method of claim 16, further comprising forming the first end cap and the second cap by one of an injection molding and a thermoforming process prior to the disposing step. 19. The method of claim 16, wherein forming an outer shell around the main body and at least a portion of the first end cap and at least a portion of the second end cap comprises a filament winding and curing process. 20. The method of claim 16, wherein the first boss includes a second gasket disposed between and in direct contact with the first component of the first boss and the second component of the first boss in an axial direction of the first boss to form a substantially fluid-tight seal therebetween.
Newhouse Norman L. (c/o Brunswick Corporation ; 4300 Industrial Ave. Lincoln NE 68504) Cederberg Alvin R. (c/o Brunswick Corporation ; 4300 Industrial Ave. Lincoln NE 68504), Pressure vessel with system to prevent liner separation.
Funck,Ralph, Pressurized container for storing pressurized liquid and/or gaseous media, consisting of a plastic core container which is reinforced with fibre-reinforced plastics and a method for producing the sam.
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