A method is disclosed. The method includes obtaining a tubular structure having a passageway and comprising a fiber reinforced plastic material, and then attaching a flange structure comprising an aperture coupled to the tubular structure using an attachment element.
대표청구항▼
1. A method comprising: obtaining a tubular structure comprising an outer layer, an inner layer, a cross-section end, a passageway defined by the inner layer, and a fiber reinforced plastic material; andattaching a flange structure comprising a metal flange clamp ring section and a ring-shaped flang
1. A method comprising: obtaining a tubular structure comprising an outer layer, an inner layer, a cross-section end, a passageway defined by the inner layer, and a fiber reinforced plastic material; andattaching a flange structure comprising a metal flange clamp ring section and a ring-shaped flange base, wherein the ring-shaped flange base has (i) an inner ring-shaped seat cooperatively structured with respect to the cross-section end of the tubular structure, (ii) a flange face, and (iii) an outer ring-shaped seat, to the tubular structure by placing the cross-section end of the tubular structure in the inner ring-shaped seat,wherein attaching the flange structure to the tubular structure further comprises applying an adhesive to the cross-section end of the tubular structure, applying an adhesive to the inner-ring shaped seat, and seating the cross-section end of the tubular structure into the inner-ring shaped seat,wherein the flange structure and the tubular structure form a flange assembly,wherein the ring-shaped flange base comprises an inner ring portion defining an aperture and an outer flange portion coupled to the inner ring portion,wherein the outer ring-shaped seat of the flange structure extends radially outward away from a center of the aperture,wherein the metal flange clamp ring section is disposed on the outer flange portion of the flange base and forms the outer ring-shaped seat,wherein the inner ring-shaped seat is formed in the ring-shaped flange base and is closer to the aperture than the outer flange portion and the outer ring-shaped seat, andwherein the flange face is disposed opposite the inner ring-shaped seat and comprises a flange face groove. 2. The method of claim 1 wherein the flange assembly is a first flange assembly and wherein the method further comprises attaching a second flange assembly to the first flange assembly using a clamp that has an end seated in the metal flange clamp ring section. 3. The method of claim 1, wherein the inner layer comprises a corrosion resistant resin material and wherein the outer layer comprises a fire resistant resin material. 4. The method of claim 1, wherein the inner layer comprises a corrosion resistant resin material comprising or being derived from a vinyl ester material and wherein the outer layer comprises a fire resistant resin material comprising or being derived from a phenol-aldehyde resin, resorcinol-aldehyde resin, or a phenol-resorcinol-aldehyde based resin. 5. The method of claim 1 wherein the flange structure comprises a fiber-reinforced plastic material. 6. The method of claim 1 wherein the adhesive comprises an epoxy adhesive. 7. The method of claim 1 wherein the flange structure consists of the ring-shaped flange base and the metal flange clamp ring section. 8. The method of claim 1 further comprising: obtaining a retaining ring structure including a fiber-reinforced plastic inner portion, a metal outer portion, and a gasket wherein the gasket is disposed between the fiber-reinforced plastic inner portion and the metal outer portion;placing the retaining ring structure between the first flange assembly and second flange assembly wherein the retaining ring structure is disposed in the flange face groove of the first flange assembly and a flange face groove of the second flange assembly. 9. The method of claim 1 further comprising obtaining a retaining ring structure and placing a portion of the retaining ring structure in the flange face groove. 10. The method of claim 9 wherein the retaining ring structure comprises a fiber-reinforced plastic inner portion and a stainless steel outer portion. 11. The method of claim 10 wherein the retaining ring structure further comprises an O-ring gasket. 12. The method of claim 1, wherein the inner ring-shaped seat is recessed into the ring-shaped flange base such that, after the tubular structure and the flange structure are attached, the cross-section end of the tubular structure contacts the inner ring-shaped seat. 13. The method of claim 1, wherein the ring-shaped flange base and the metal flange clamp ring section are bonded together using an adhesive. 14. The method of claim 1, wherein the passageway runs the length of the tubular structure and the cross-section end is formed by cutting the tubular structure perpendicular to the passageway. 15. The method of claim 1, wherein the cross-section end contacts the inner ring-shaped seat and the outer layer does not contact the inner ring-shaped seat after the cross-section end is seated. 16. A method comprising: obtaining a first and a second tubular structure each comprising an end, a passageway, a corrosion resistant resin inner layer and a fire resistant resin outer layer;attaching a first flange structure comprising a ring-shaped flange base, a metal flange clamp ring section, an inner ring-shaped seat cooperatively structured with respect to the end of the first tubular structure, a flange face, and an outer ring-shaped seat to the first tubular structure using an attachment element by placing the end of the first tubular structure in the inner ring-shaped seat,wherein the first flange structure and the first tubular structure form a first flange assembly;wherein the attachment element is an adhesive comprising an epoxy adhesive;wherein the ring-shaped flange base comprises, an inner ring portion defining an aperture, and an outer flange portion coupled to the inner ring portion,wherein the outer ring-shaped seat of the first flange structure extends radially outward away from a center of the aperture,wherein the metal flange clamp ring section is disposed on the outer flange portion of the flange base and forms the outer ring-shaped seat,wherein the inner ring-shaped seat is formed in the ring-shaped flange base and is closer to the aperture than the outer flange portion and the outer ring-shaped seat,wherein the flange face is disposed opposite the inner ring-shaped seat and comprises a flange face groove,wherein the first flange structure comprise a fiber-reinforced plastic material;attaching a second flange structure to the second tubular structure, wherein the second flange structure and the second tubular structure form a second flange assembly;obtaining a retaining ring structure, wherein the retaining ring structure comprises a fiber-reinforced plastic inner portion, a stainless steel outer portion, and a gasket wherein the gasket is disposed between the fiber-reinforced plastic inner portion and the stainless steel outer portion; andplacing the retaining ring structure between the first flange assembly and second flange assembly wherein at least a portion of the retaining ring structure is disposed in the flange face groove of the first flange assembly and a flange face groove of the second flange assembly. 17. The method of claim 16 further comprising: attaching metal clamps to the metal flange clamp ring section. 18. The method of claim 16, wherein the fiber-reinforced plastic inner portion is configured to shield the gasket from corrosive materials that pass through the passageways of the first and second tubular structures. 19. The method of claim 16, wherein the fiber-reinforced plastic inner portion comprises a ridge, wherein the ridge is configured to fit into the flange face groove of the flange structure. 20. The method of claim 16, wherein the inner ring-shaped seat and the outer ring-shaped seat comprise J-shaped cross-sections. 21. A method comprising: obtaining a tubular structure comprising an outer layer, an inner layer, a cross-section end, a passageway defined by the inner layer, and a fiber reinforced plastic material; andattaching a flange structure comprising a metal flange clamp ring section and a ring-shaped flange base, wherein the ring-shaped flange base has (i) an inner ring-shaped seat cooperatively structured with respect to the cross-section end of the tubular structure, (ii) a flange face, and (iii) an outer ring-shaped seat, to the tubular structure placing the cross-section end of the tubular structure in the inner ring-shaped seat,wherein the passageway runs the length of the tubular structure and the cross-section end is formed by cutting the tubular structure perpendicular to the passageway,wherein an adhesive is placed on the cross-section end of the tubular structure and within the inner ring-shaped seat of the flange base,wherein the metal flange clamp ring section and the ring-shaped flange are bonded together using an adhesive, andwherein the flange face is disposed opposite the inner ring-shaped seat.
Jacobson David L. ; Toas Murray S. ; Cuthbertson Thomas A. ; Storey Robert W. ; Mankell Kurt O., Device for securing adjacent segments of fibrous glass duct work and the like and a system including said device.
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Williams Douglas (28 Waterside Cir. San Rafael CA 94903) Shea Jeff (708 Vermont St. San Francisco CA 94107) Cork Michael S. (2552 Honeysuckle Richardson TX 75082), Fume duct circumferential joint sealant.
Shea Lawrence E. (165 Lake Dr. San Bruno CA 94066) Shea John J. (708 Vermont St. San Francisco CA 94107), Mechanical joint connections for fiberglass reinforced duct sections.
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