Pipes and tubular conduits – Flexible – Corrugated
Reexamination Certificate
2005-01-18
2005-01-18
Hook, James (Department: 3752)
Pipes and tubular conduits
Flexible
Corrugated
C138S128000, C138S169000, C174S0720TR
Reexamination Certificate
active
06843276
ABSTRACT:
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 peripheral face of the tubular body to form a bellows portion. A lap portion is protruded from at least one of opposed end portions of the tubular body separated by the first slit, the lap portion extending along the first slit. Both end portions of each ridge portion in the circumferential direction are respectively formed with end walls closing a hollowed space thereof. At least one of the end walls of each ridge portion is provided with an opening.
REFERENCES:
patent: 578800 (1897-03-01), Wilmot
patent: 1971595 (1934-08-01), Booth
patent: 3336950 (1967-08-01), Fochler
patent: 3583424 (1971-06-01), Bryant
patent: 4513787 (1985-04-01), Hegler et al.
patent: 4517234 (1985-05-01), Fisher
patent: 5566722 (1996-10-01), Bartholomew
patent: 6034329 (2000-03-01), Kawamura
patent: 6078009 (2000-06-01), Kawamura
patent: 6079451 (2000-06-01), Hegler
patent: 6096975 (2000-08-01), Streit
patent: 6323425 (2001-11-01), Hegler et al.
patent: 6488053 (2002-12-01), Tadokoro
patent: 8903070 (1989-07-01), None
patent: 198 27 435 (1999-12-01), None
patent: 0 826 559 (1998-03-01), None
patent: 2 336 475 (1999-10-01), None
patent: 2000-134762 (2000-05-01), None
patent: 2000-220772 (2000-08-01), None
patent: 2000-287330 (2000-10-01), None
Japanese Abstract 2000220772, dated Aug. 8, 2000.
Japanese Abstract 2000287330, dated Oct. 13, 2000.
LandOfFree
Corrugated tube and method for producing the same does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Corrugated tube and method for producing the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Corrugated tube and method for producing the same will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3401490