Claims
- 1. A nipple having an outer surface with at least two spaced circumferential grooves for affixedly receiving a generally cylindrical shell, wherein at least one of said at least two circumferential grooves is in abutting contact with at least one of an inside surface of said cylindrical shell, an end surface of said cylindrical shell, and an outside surface of said cylindrical shell.
- 2. A nipple having an outer surface with a plurality of spaced circumferential grooves for affixedly receiving an end portion of a generally cylindrical shell, wherein at least one of said plurality of circumferential grooves has a diameter less than an adjacent one of said plurality of circumferential grooves, said end portion being affixedly received in at least one of said plurality of circumferential grooves.
- 3. A nipple having an outer surface with a plurality of spaced circumferential grooves for affixedly receiving a generally cylindrical shell, wherein said generally cylindrical shell has one of a plurality of varying diameters, and is fixedly received in at least one predetermined one of said pluralities of grooves, said grooves being of successive increasing diameter relative to said generally cylindrical shell.
- 4. A permanently attached hose coupling, for a pressurized conduit end, having a generally tubular nipple and a generally cylindrical shell permanently attached to said nipple and generally surrounding said conduit end, said nipple having a longitudinal axis, a first end, a second end, a plurality of circumferential grooves located between said first and said second ends, a bore extending from said first end to said second end, and an insert portion adjacent said plurality of grooves inserted into said conduit end;
wherein said grooves are dimensioned for affixedly receiving at least one of an inside surface, an end surface and an outside surface of said generally cylindrical shell; and said grooves comprising: a first groove with a generally flat base portion parallel with said longitudinal axis, a first substantially vertically oriented sidewall, and a second substantially vertically oriented sidewall having a maximum radial extent less than said first sidewall; a second groove adjacent said first groove, with a generally flat base portion parallel with said longitudinal axis having a diameter less than said first groove base portion, a first substantially vertically oriented sidewall having a maximum radial extent similar to said first groove second sidewall, and a second substantially vertically oriented sidewall having a maximum radial extent less than said second groove first sidewall; and a third groove adjacent said second groove, with a generally flat base portion parallel with said longitudinal axis having a diameter less than said second groove base portion, a first substantially vertically oriented sidewall having a maximum radial extent similar to said second groove second sidewall and a second substantially vertically oriented sidewall having a maximum radial extent greater than said third groove first sidewall.
- 5. The hose coupling as in claim 4 wherein said first groove second sidewall and said second groove second sidewall have a contoured top portion.
- 6. The hose coupling as in claim 4 wherein said first groove second sidewall and said second groove second sidewall have an angled top portion.
- 7. The hose coupling as in claim 4 wherein said insert portion has a plurality of spaced, circumferentially extending, frusto-conically shaped protrusions on the outer surface thereof.
- 8. The hose coupling as in claim 7 wherein one of said plurality of spaced protrusions is positioned approximately equidistant between said third groove and said second end and has a maximum radial extent greater than that of each of the others of said plurality of protrusions.
- 9. The hose coupling as in claim 4 wherein said generally flat base portion of each of said plurality of circumferential grooves has a series of surface disruptions along its circumference.
- 10. The hose coupling as in claim 4 wherein the outer surface of said third groove second substantially vertically oriented sidewall has threads for attachment with said generally cylindrical shell.
- 11. A permanently attached hose coupling, for a pressurized conduit end, having a generally tubular nipple and a generally cylindrical shell permanently attached to said nipple and generally surrounding said conduit end, said nipple having a longitudinal axis, a first end, a second end, a plurality of circumferential grooves located between said first and said second ends, a bore extending from said first end to said second end, and an insert portion adjacent said plurality of grooves inserted into said conduit end;
wherein said grooves are dimensioned for affixedly receiving at least one of an inside surface, an end surface and an outside surface of said generally cylindrical shell; and said grooves comprising: a first groove with a generally flat base portion parallel with said longitudinal axis, a first substantially vertically oriented sidewall, and a second substantially vertically oriented sidewall having a maximum radial extent less than said first sidewall; and a second groove adjacent said first groove, with a generally flat base portion parallel with said longitudinal axis having a diameter less than said first groove base portion, a first substantially vertically oriented sidewall having a maximum radial extent similar to said first groove second sidewall, and a second substantially vertically oriented sidewall having a maximum radial extent greater than said second groove first sidewall.
- 12. The hose coupling as in claim 11 wherein said insert portion has a plurality of spaced, circumferentially extending, frusto-conically shaped protrusions on the outer surface thereof.
- 13. The hose coupling as in claim 12 wherein one of said plurality of spaced protrusions is positioned approximately equidistant between said second groove and said second end and has a maximum radial extent greater than that of each of the others of said plurality of protrusions.
- 14. The hose coupling as in claim 11 wherein said generally cylindrical shell has a first end with an inwardly directed portion having an annular surface in an abutting relationship with one of said plurality of circumferential grooves for said permanent attachment.
- 15. The hose coupling as in claim 14 wherein said inwardly directed portion is located at the longitudinal inner end of said generally cylindrical shell.
- 16. The hose coupling as in claim 14 wherein said inwardly directed portion is located on the inside surface of said generally cylindrical shell.
- 17. The hose coupling as in claim 11 wherein said generally cylindrical shell has a first end and a second end, said first end having a turned-in portion generally directed towards said second end.
- 18. The hose coupling as in claim 17 wherein the outer surface of said turned-in portion is in affixed abutment with said second groove first sidewall.
- 19. The hose coupling as in claim 11 wherein the inside surface of said generally cylindrical shell affixedly abuts said first and said second sidewalls of said second groove.
- 20. A hose coupling having a generally tubular nipple for separate fixed attachment with one or more generally cylindrical shells, said nipple having a longitudinal axis, first and second ends, a series of circumferential grooves located between said first and said second ends, a longitudinal through bore, and an insert portion adjacent said series of grooves for insertion into said conduit;
wherein each of said series of circumferential grooves fixedly receives at least one of an inside surface, an end surface and an outside surface of said one or more generally cylindrical shells and each of said series of circumferential grooves has a base portion, a first substantially vertically oriented sidewall adjacent said base portion, and a second substantially vertically oriented sidewall, positioned adjacent said base portion on the side opposite of said first sidewall and has a maximum radial extent less than said first sidewall.
- 21. The hose coupling as in claim 20 wherein said generally cylindrical shell has a first end with an inwardly directed portion having an annular surface in an abutting relationship with one of said at least two circumferential grooves for said permanent attachment.
- 22. The hose coupling as in claim 21 wherein said inwardly directed portion is located at the longitudinal inner end of said generally cylindrical shell.
- 23. The hose coupling as in claim 21 wherein said inwardly directed portion is located on the inside surface of said generally cylindrical shell.
- 24. The hose coupling as in claim 20 wherein said generally cylindrical shell has a first end and a second end, said first end having a turned-in portion generally directed towards said second end.
- 25. The hose coupling as in claim 24 wherein the outer surface of said turned-in portion is in affixed abutment with said first sidewall.
- 26. The hose coupling as in claim 20 wherein the inside surface of said generally cylindrical shell affixedly abuts said first and said second sidewalls.
- 27. A generally tubular nipple having a longitudinal axis, a first end, a second end, an outer surface with a plurality of circumferential grooves, located between said first and said second ends, for affixedly receiving a generally cylindrical shell, and a bore extending from said first end to said second end;
wherein said plurality of circumferential grooves are dimensioned for affixedly receiving at least one of an inside surface, an end surface and an outside surface of said generally cylindrical shell; and said plurality of grooves comprising: a first groove with a generally flat base portion parallel with said longitudinal axis, a first generally vertically oriented sidewall, and a second generally vertically oriented sidewall having a maximum radial extent less than said first sidewall; a second groove adjacent said first groove, with a generally flat base portion parallel with said longitudinal axis having a diameter less than said first groove base portion, a first generally vertically oriented sidewall having a maximum radial extent substantially equal to said first groove second sidewall, and a second generally vertically oriented sidewall having a maximum radial extent less than said second groove first sidewall; and a third groove adjacent said second groove, with a generally flat base portion parallel with said longitudinal axis having a diameter less than said second groove base portion, a first generally vertically oriented sidewall having a maximum radial extent substantially equal to said second groove second sidewall and a second generally vertically oriented sidewall having a maximum radial extent greater than said third groove first sidewall.
- 28. The generally tubular nipple as in claim 27 further including an insert portion located between said third groove and said second end and has a plurality of spaced, circumferentially extending, frusto-conically shaped protrusions on the outer surface thereof.
- 29. The generally tubular nipple as in claim 27 wherein one of said plurality of spaced protrusions is positioned approximately equidistant between said third groove and said second end and has a maximum radial extent greater than that of each of the others of said plurality of protrusions.
- 30. The generally tubular nipple as in claim 27 wherein said generally flat base portion of each of said plurality of circumferential grooves has a series of surface disruptions along its circumference.
- 31. The generally tubular nipple as in claim 27 wherein the outer surface of said third groove second substantially vertically oriented sidewall has threads for attachment with said generally cylindrical shell.
- 32. A generally tubular nipple having a longitudinal axis, a first end, a second end, an outer surface with at least two circumferential grooves located between said first and said second ends for affixedly receiving a generally cylindrical shell, and a bore extending from said first end to said second end;
wherein said at least two circumferential grooves are dimensioned for affixedly receiving at least one of an inside surface, an end surface and an outside surface of said generally cylindrical shell; and said at least two circumferential grooves comprising: a first groove with a generally flat base portion parallel with said longitudinal axis, a first generally vertically oriented sidewall, and a second generally vertically oriented sidewall having a maximum radial extent less than said first sidewall; and a second groove adjacent said first groove, with a generally flat base portion parallel with said longitudinal axis having a diameter less than said first groove base portion, a first generally oriented sidewall having a maximum radial extent generally equal to said first groove second sidewall, and a second generally vertically oriented sidewall having a maximum radial extent greater than said second groove first sidewall.
- 33. The generally tubular nipple as in claim 32 further including an insert portion located between said second groove and said second end and has a plurality of spaced, circumferentially extending, frusto-conically shaped protrusions on the outer surface thereof.
- 34. The generally tubular nipple as in claim 33 wherein one of said plurality of spaced protrusions is positioned approximately equidistant between said second groove and said second end and has a maximum radial extent greater than that of each of the others of said plurality of protrusions.
- 35. The generally tubular nipple as in claim 32 wherein said generally flat base portion of each of said at least two circumferential grooves has a series of surface disruptions along its circumference.
- 36. The generally tubular nipple as in claim 32 wherein the outer surface of said second groove second substantially vertically oriented sidewall has threads for attachment with said generally cylindrical shell.
- 37. A generally tubular nipple having a longitudinal axis, a first end, a second end, an outer surface with a series of circumferential grooves located between said first and said second ends for affixedly receiving a generally cylindrical shell, and a bore extending from said first end to said second end;
wherein said series of circumferential grooves are dimensioned for affixedly receiving at least one of an inside surface, an end surface and an outside surface of said generally cylindrical shell; and said series of grooves comprising: a first groove with a generally flat base portion parallel with said longitudinal axis, a first substantially radially directed sidewall, and a second substantially radially directed sidewall; a second groove adjacent said first groove, with a generally flat base portion parallel with said longitudinal axis having a diameter less than said first groove base portion, a first substantially radially directed sidewall, having a maximum radial extent generally equal to said first groove second sidewall, and a second substantially radially directed sidewall; and a third groove adjacent said second groove, with a generally flat base portion parallel with said longitudinal axis having a diameter less than said second groove base portion, a first substantially radially directed sidewall, having a maximum radial extent generally equal to said second groove second sidewall, and a second substantially radially directed sidewall.
- 38. The generally tubular nipple as in claim 37 wherein said first groove second sidewall and said second groove second sidewall have a contoured top portion.
- 39. The generally tubular nipple as in claim 37 wherein said first groove second sidewall and said second groove second sidewall have an angled top portion.
- 40. The generally tubular nipple as in claim 37 further including an insert portion located between said third groove and said second end and has a plurality of spaced, circumferentially extending, frusto-conically shaped protrusions on the outer surface thereof.
- 41. The generally tubular nipple as in claim 40 wherein one of said plurality of spaced protrusions is positioned approximately equidistant between said third groove and said second end and has a maximum radial extent greater than that of each of the others of said plurality of protrusions.
- 42. The generally tubular nipple as in claim 37 wherein said generally flat base portion of each of said series of circumferential grooves has a series of surface disruptions along its circumference.
- 43. The generally tubular nipple as in claim 37 wherein the outer surface of said third groove second substantially vertically oriented sidewall has a series of threads for attachment with said generally cylindrical shell.
- 44. A generally tubular nipple having a longitudinal axis, a first end, a second end, an outer surface with at least two circumferential grooves located between said first and said second ends for affixedly receiving a generally cylindrical shell, and a bore extending from said first end to said second end;
wherein said at least two circumferential grooves are dimensioned for affixedly receiving at least one of an inside surface, an end surface and an outside surface of said generally cylindrical shell; and said at least two circumferential grooves comprising: a first groove with a generally flat base portion parallel with said longitudinal axis, a first generally radially directed sidewall, and a second generally radially directed sidewall; and a second groove adjacent said first groove, with a generally flat base portion parallel with said longitudinal axis having a diameter less than said first groove base portion, a first generally radially directed sidewall having a maximum radial extent substantially equal to said first groove second sidewall, and a second generally radially directed sidewall.
CROSS-REFERENCE TO RELATED CASES
[0001] The present application claims the benefit of the filing date of U.S. Provisional Application Ser. No. 60/463,892; filed Apr. 17, 2003, the disclosure of which is expressly incorporated herein by reference.
Provisional Applications (1)
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Number |
Date |
Country |
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60463892 |
Apr 2003 |
US |