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Document |
Document Title |
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5442951 |
Device for testing pipes for interior leaks
An arrangement for examining pipes for interior leaks, comprises two mirror-inverted sections, each having at least one clamping device and at least one pair of runners. A pneumatic pressure... |
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4538522 |
Cable gripping apparatus having forward and rearward movement capabilities
An improved cable following apparatus especially suitable for use in replacing an existing underground cable is disclosed herein. This apparatus utilizes a telescopically configured main body... |
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4537136 |
Pipeline vehicle
The vehicle has front and rear sets of wheels (24) carried on sprung arms (20). Each wheel can be locked by a clutch (26). One set of wheels is locked while a ram (32) is operated, causing the... |
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4534425 |
Cable reaming apparatus and method
The technique for replacing an existing underground cable and a specific apparatus for doing so are disclosed herein. The apparatus includes a main body or cable follower which is interconnected... |
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4522129 |
Device for charging drillholes
A two-piece, telescopic climber, which is insertable into a drillhole behind cylindrically shaped explosive charges, alternately advances one and then the other of its two telescopic pieces in the... |
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4519462 |
Cable following apparatus having cable cleaning capabilities and method
A cable following apparatus especially suitable for replacing existing underground cable is disclosed herein. This apparatus includes a tubular main body disposed around and movable along a... |
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4493379 |
Cable reaming apparatus and method
The technique for replacing an existing underground cable and a specific apparatus for doing so are disclosed herein. The apparatus includes a main body or cable follower which is interconnected... |
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4432271 |
Locomotion unit for a tool support adapted for progression through passageways
A locomotion unit is remotely controlled to advance stepwise through a passageway by frictional engagement with the surfaces of the passageway walls. A support section is mounted on the locomotion... |
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4403667 |
Cable following apparatus utilizing a releasable cable gripping mechanism
A cable following apparatus especially suitable for use in replacing existing underground cable by reaming around and along the length of the cable is disclosed herein. This apparatus includes a... |
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4385667 |
Cable reaming apparatus
The technique for replacing an existing underground cable and a specific apparatus for doing so are disclosed herein. The apparatus includes a main body or cable follower which is interconnected... |
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4372161 |
Pneumatically operated pipe crawler
A pneumatically operated pipe crawler for transporting inspection equipment along the interior of a pipe comprises an elongate cylindrical tube of flexible resilient material, such as latex... |
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4261500 |
Modular apparatus for the feeding of electrode wire through great distances
A multi-module system for advancing an electrode wire from a supply location to a field welding station via a plurality of spaced conduit sections is described. Each conduit section is succeeded... |
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4207872 |
Device and method for advancing an endoscope through a body passage
A device and its method of operation for assisting in the advancement of an endoscope through the colon or other body passage. The device includes a sleeve having an annular chamber defined in... |
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4071086 |
Apparatus for pulling tools into a wellbore
A pulling tool apparatus for helping equipment descend down a wellbore, such as logging tools being dropped into a deviated wellbore. A first embodiment employs a mass slidably located inside the... |
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3465834 |
GUIDED SUBTERRANEAN PENETRATOR SYSTEMS
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3462124 |
DUCT RODDER HAVING COLLAPSIBLE TRACTION HEADS
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3330368 |
Peristaltic gopher
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3322395 |
Power operated duct rodder
1,124,732. Pull-through rods. CHICAGO PNEUMATIC TOOL CO. 13 June, 1966 [22 June, 1965], No. 26257/66. Heading F2N. A power-operated duct rodder which travels step-by-step through a duct 21... |
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3322394 |
Self-propelled bore traversing device
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3224734 |
Pneumatic self-propelled apparatus
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3055637 |
Apparatus for moving through a pipe
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3047270 |
Apparatus for moving a line through a conduit
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2917762 |
Apparatus for traveling through pipes
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2897524 |
Sewer clean-out tool
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2855934 |
Self-propelled tube
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2727722 |
Conduit caterpillar
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2673710 |
Apparatus for feeding ropes and cables through conduits
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1862591 |
Conduit threader
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1810143 |
Apparatus for feeding lines
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1675738 |
Nozzle-propelling mechanism and method of propelling the same
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1223699 |
CONDUIT-THREADER.
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1128746 |
CREEPER.
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1041683 |
LINE-CARRIER.
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1000825 |
CONDUIT-CREEPER.
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0916985 |
CONDUIT-THREADING MACHINE.
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0901159 |
CONDUIT-THREADER.
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0880677 |
DEVICE FOR THREADING CONDUITS AND FOR ANALOGOUS PURPOSES.
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0873996 |
CONDUIT-THREADING DEVICE.
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0850798 |
LINE-CARRIER.
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0850797 |
CONDUIT-TRAVELER.
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0850625 |
APPARATUS FOR THREADING OR LAYING ELECTRIC CONDUCTORS IN CONDUITS OR PIPES.
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0797457 |
CONDUIT-THREADER.
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0734267 |
CONDUIT-THREADING DEVICE.
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0690594 |
TRAVELER.
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0683845 |
APPARATUS FOR THREADING CONDUITS.
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0673478 |
CONDUIT-THREADER.
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0632353 |
TRAVELER FOR PIPES OR CONDUITS.
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0622531 |
Title is not available
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0603623 |
Title is not available
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0563360 |
Title is not available
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