초록 ▼

An exhaust tip for attachment to a tailpipe that includes a thermoset heat shield at least partially surrounding and fastened to the tailpipe, and a thermoplastic decorative cover at least partially surrounding and fastened to the thermoset heat shield. The thermoset heat shield insulates the thermo

An exhaust tip for attachment to a tailpipe that includes a thermoset heat shield at least partially surrounding and fastened to the tailpipe, and a thermoplastic decorative cover at least partially surrounding and fastened to the thermoset heat shield. The thermoset heat shield insulates the thermoplastic decorative cover from thermal effects of the tailpipe and spaces the thermoplastic decorative cover a predetermined distance away from the tailpipe.

대표청구항 ▼

What is claimed is: 1. An exhaust assembly for attachment to an exhaust pipe, said exhaust assembly comprising: a heat shield at least partially surrounding and fastened to said exhaust pipe; and a decorative cover at least partially surrounding and fastened to said heat shield; said heat shield

What is claimed is: 1. An exhaust assembly for attachment to an exhaust pipe, said exhaust assembly comprising: a heat shield at least partially surrounding and fastened to said exhaust pipe; and a decorative cover at least partially surrounding and fastened to said heat shield; said heat shield insulating said decorative cover from thermal effects of said exhaust pipe and spacing said decorative cover a predetermined distance away from said exhaust pipe. 2. The exhaust assembly as claimed in claim 1, wherein a portion of said heat shield is spaced a predetermined distance away from said exhaust pipe such that a primary insulating gap is defined therebetween. 3. The exhaust assembly as claimed in claim 1, wherein a portion of said decorative cover is spaced a predetermined distance away from said heat shield such that a secondary insulating gap is defined therebetween. 4. The exhaust assembly as claimed in claim 1, wherein said heat shield includes an upstream end comprising a vent opening therein for cooling air to pass therethrough. 5. The exhaust assembly as claimed in claim 1, wherein said decorative cover includes an upstream end comprising a vent opening therein for cooling air to pass therethrough. 6. The exhaust assembly of claim 1, further comprising: means for fastening said heat shield to said exhaust pipe. 7. The exhaust assembly of claim 6, wherein said fastening means includes a fastener projecting through said heat shield and said exhaust pipe and being selected from the group comprising screws, rivets, and the like. 8. The exhaust assembly of claim 6, wherein said fastening means includes a fastener surrounding said heat shield and said exhaust pipe and being selected from the group of compression fasteners comprising compression rings, hose clamps, and the like. 9. The exhaust assembly of claim 1, wherein said exhaust pipe comprises at least one integral fastening feature thereon and said heat shield comprises at least one integral fastening feature thereon interlocking with said at least one integral fastening feature of said exhaust pipe to fasten said heat shield to said exhaust pipe. 10. The exhaust assembly of claim 1, wherein said heat shield comprises a shoulder portion and at least one resilient tab thereon, further wherein said decorative cover comprises a reduced diameter portion thereon, where said reduced diameter portion mounts over said at least one resilient tab and abuts said shoulder portion whereby said reduced diameter portion is entrapped between said at least one resilient tab and said shoulder portion. 11. The exhaust assembly of claim 1, wherein said heat shield comprises an upstream member at least partially surrounding said exhaust pipe and a downstream member attached to said upstream member and at least partially surrounding said exhaust pipe, said downstream member extending downstream from said upstream member such that said heat shield is a two piece assembly. 12. The exhaust assembly of claim 11, wherein said decorative cover attaches with said upstream member and connects to said downstream member such that said exhaust assembly comprises a three piece assembly. 13. The exhaust assembly of claim 1, wherein said heat shield comprises a second integral fastening feature thereon and further wherein said decorative cover comprises an integral fastening feature thereon interlocking with said second integral fastening feature of said heat shield to attach said decorative cover to said heat shield. 14. The exhaust assembly of claim 1, wherein said heat shield is comprised of an upper and lower portion such that said heat shield is a split clamshell assembly. 15. The exhaust assembly of claim 1, wherein said decorative cover comprises a thermoplastic fascia, and further wherein said heat shield is fastened to said thermoplastic fascia. 16. The exhaust assembly as claimed in claim 15, wherein said decorative cover is fastened to said thermoplastic fascia, and said heat shield is composed of a paintable and weatherable material. 17. The exhaust assembly of claim 1, further comprising an insulator placed between said exhaust pipe and said heat shield, said insulator providing added insulation for high temperature conditions. 18. The exhaust assembly of claim 1, wherein said heat shield is corrugated thereby defining axial passages for cooling air to flow therethrough. 19. An exhaust tip for attachment to a tailpipe of an engine, said exhaust tip comprising: a polymeric heat shield fastened to and at least partially surrounding a portion of said tailpipe; and a polymeric decorative cover fastened to and at least partially surrounding a portion of said polymeric heat shield; said polymeric heat shield insulating said polymeric decorative cover from thermal effects of said tailpipe and spacing said polymeric decorative cover a predetermined distance away from said tailpipe. 20. The exhaust tip of claim 19, wherein a portion of said polymeric heat shield is spaced a predetermined distance away from said tail pipe such that a primary insulating gap is defined therebetween. 21. The exhaust tip of claim 19, wherein a portion of said polymeric decorative cover is spaced a predetermined distance away from said polymeric heat shield such that a secondary insulating gap is defined therebetween. 22. The exhaust tip of claim 19, further comprising: means for fastening said polymeric heat shield to said tailpipe, said fastening means comprising a fastener projecting through said polymeric heat shield and said tailpipe. 23. The exhaust tip of claim 22, wherein said fastener is selected from the group comprising screws, rivets, and the like. 24. The exhaust tip of claim 19, wherein said polymeric heat shield comprises at least one resilient tab thereon and said tailpipe comprises at least one recess therein, said at least one resilient tab interlocking with said at least one recess to fasten said polymeric heat shield to said tailpipe. 25. The exhaust tip of claim 19, wherein said polymeric heat shield comprises a shoulder portion and at least one resilient tab thereon and said polymeric decorative cover comprises a reduced diameter portion thereon, said reduced diameter portion mounting over said at least one resilient tab and abutting said shoulder portion, whereby said reduced diameter portion is entrapped between said at least one resilient tab and said shoulder portion. 26. The exhaust tip of claim 19, wherein said polymeric heat shield comprises at least one standoff thereon, said at least one standoff maintaining said space between said polymeric heat shield and said polymeric decorative cover. 27. The exhaust tip of claim 19, wherein said polymeric heat shield is composed of a thermoset material and said polymeric decorative cover is composed of a thermoplastic material. 28. The exhaust tip of claim 27, wherein said thermoset material is composed of a polyvinylester material and said thermoplastic material is composed of a polycarbonate acrylontrile-butadiene-styrene material. 29. The exhaust tip of claim 28, wherein said polymeric decorative cover has a chrome plate finish thereon. 30. The exhaust tip of claim 28, wherein said polymeric decorative cover has a paint finish thereon. 31. An exhaust tip affixed to an end of a tailpipe for use on an exhaust system, said exhaust tip comprising: a thermoset heat shield fastened to a portion of said tailpipe and at least partially surrounding said end of said tailpipe; and a thermoplastic decorative cover comprising an upstream end and an upstream opening therethrough, said thermoplastic decorative cover at least partially surrounding said thermoset heat shield; said thermoset heat shield insulating said thermoplastic decorative cover from thermal effects of said tailpipe and spacing said thermoplastic decorative cover a predetermined distance away from said tailpipe. 32. The exhaust tip of claim 31, wherein said tailpipe has at least one recess therein, said thermoset heat shield further comprising at least one tab, said at least one tab interlocking with said at least one recess to fasten said thermoset heat shield to said tailpipe. 33. The exhaust tip of claim 31, wherein said thermoset heat shield comprises a shoulder portion thereon and a neck portion adjacent said upstream end of said thermoplastic decorative cover, said neck portion comprising at least one resilient tab thereon, said upstream opening of said thermoplastic decorative cover mounting over said neck portion past said at least one resilient tab and adjacent said shoulder portion such that said upstream end of said thermoplastic decorative cover is entrapped between said shoulder portion and said at least one resilient tab. 34. The exhaust tip of claim 31, wherein said thermoset heat shield comprises at least one vent opening therein to permit air to flow between said thermoset heat shield and said tailpipe to cool said exhaust tip. 35. The exhaust tip of claim 31, wherein said thermoplastic decorative cover further comprises at least one vent opening therein to permit air to flow between said thermoset heat shield and said thermoplastic decorative cover to cool said exhaust tip.