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Publication numberUS920455 A
Publication typeGrant
Publication dateMay 4, 1909
Filing dateDec 14, 1906
Priority dateDec 14, 1906
Publication numberUS 920455 A, US 920455A, US-A-920455, US920455 A, US920455A
InventorsHugh A Greenan
Original AssigneeNat Water Main Cleaning Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Device for passing cables through pipe-lines.
US 920455 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

H. A. GREENAN. DEVICE FOR PASSING GABLES THROUGH PIPE LINES.

APPLICATION FILED DBO.14,1906.

920,455, Patented May 4, 1909.

WMQD

WITNESSES hW ENTOH,

gm M Greemn,

- ATTORNEY Mater pipes, 21

from each other distance from (Ht'h other not less than the l greatest t'lianieter of the eups, a pointed eage adapted to move ahead of the propelling cups and atloat inelosed in the cage.

4. li. a deviee for passing, eables through mentstlexibly plura itv of propelling eleconnected together adapted to i be moved through a pipe line by a flow of,"

uide rigidly seeured to liquid and a floating 7 einent and adapted to the 'tirst propelling e move ahead of same.

. 5. A cable carrier comprising the combination of a series of propelling cups flexibly eonneeted together but separated from each other by a substantially 6. A cable carrier comprising the combination of a series of elastie propelling elenu-ots flexibly connected together but separated by a substantiallv unohstrut-ted space.

uter ol' the inside ot'the "the device unobstruetedspaetx r Signed at New-York this (3th day other: :r'

llUUrll A. (Ht lClCNXN. Witness (YA. (l. ltosuLL, hernia i\'. (rinnrmo-r.

each other by a substantially unob-v greatest diaine-

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2980399 *Jun 30, 1958Apr 18, 1961Kendall M LittlefieldFlow propelled sewer or pipe threader
US3975819 *Jan 8, 1975Aug 24, 1976Chisso CorporationMethod for passing an insulated wire through the inside of ferromagnetic pipe for a heat-generating pipe utilizing skin effect current
US4856937 *Jun 2, 1988Aug 15, 1989British Pipeline Agency Limited And Stc PlcPipeline systems
US4953828 *May 4, 1989Sep 4, 1990Baldecchi Sauro SApparatus for practicing a pneumatic suction process permitting drawing cables through sheaths
US5308193 *Mar 15, 1991May 3, 1994Rufolo Paul GPreventative maintenance system for underwater pipes
US6047954 *May 13, 1997Apr 11, 2000Koninklijke Kpn N.V.Pulling element for installing a cable in a duct, and ducting system comprising such pulling element
US6536463Oct 10, 2000Mar 25, 2003Sempra Fiber LinksMethod and system for installing cable in pressurized pipelines
US6681795Oct 9, 2001Jan 27, 2004Sempra Fiber LinksMethods and systems for installing cable and conduit in pipelines
US6691728May 29, 2002Feb 17, 2004Sempra Fiber LinksMethods and systems for installing a pipeline within a pipeline
US6691734May 29, 2002Feb 17, 2004Sempra Fiber LinksMethods and systems for installing cable and conduit in pipelines
US6736156Jun 7, 2001May 18, 2004Sempra Fiber LinksMethod and system for installing cable in pressurized pipelines
Classifications
Cooperative ClassificationG02B6/4464