Abstract: A method and apparatus for removing a heavier liquid from a container having a cover and containing a plurality of liquids of differing specific gravities. A sealable access is provided in the cover and a conduit having an end positioned within the liquid to be removed is connected at an opposite end to the sealable access. A superatmospheric medium is introduced into the container through the sealable access to create a pressure on a lighter liquid which acts as a plunger to pressurize the heavier liquid and force it through the conduit to be ejected to an exterior location via the sealable access.

Abstract: An inner duct is disclosed which can fit inside a duct and extend along a length thereof for receiving communication cable, particularly a light-guide cable. The inner duct has a continuous side wall with protruding ribs on the inside and outside surfaces to maintain an effective supply of lubricant during the installation of the inner duct and cable in the inner duct. The ribs on the inside surface of the inner duct guide the cable during the placement operation. It is preferred to install a plurality of inner ducts into a duct during which the ribs on the inner duct interlock with one another to prevent spiraling. The ribs also facilitate the dissipation of heat due to friction and ambient sources of heat.

Abstract: An inner duct is disclosed which can fit inside a duct and extend along a length thereof for receiving communication cable, particularly a light-guide cable. The inner duct has a continuous side wall with protruding ribs on the inside and outside surfaces to maintain an effective supply of lubricant during the installation of the inner duct and cable in the inner duct. The ribs on the inside surface of the inner duct guide the cable during the placement operation. It is preferred to install a plurality of inner ducts into a duct during which the ribs on the inner duct interlock with one another to prevent spiraling. The ribs also facilitate the dissipation of heat due to friction and ambient sources of heat.

Abstract: A lubricating collar for cable includes a truncated conically-shaped funnel section forming an entry guide terminating in an annular collar section that forms a lubricant discharge station which is openly exposed to the cable entry end of the collar. An internal chamber in the collar section supplies lubricant to orifices in the side wall thereof. Downstream of the lubricant discharge station there is a brush with a multitude of elongated fibrous bristles projecting radially from the side wall of the collar into the internal passageway of the collar to contact and spread lubricant on the outer surface of the cable when moved within the collar to a discharge guide section.

Abstract: Conductors are removed from the sheathing of a cable by attaching a sleeve to the outer surface at one end of the sheathing of a selected length of cable. When the sheathing is made of lead, the sleeve has internal threads that are passed onto the sheathing. Alternative measures for attaching the sleeve to the sheathing include forming a bonded film of solder or cured adhesive. The free end of the sleeve is joined with a fitting coupled by a conduit to a source of lubricant under pressure. Lubricant is forced through the sleeve into the sheathing under sufficient pressure to cause the lubricant to flow along the conductors of the cable. After the lubricant disperses within the sheathing, the conductors are withdrawn. When the cable is buried, anchoring of the sheathing is usually unnecessary. When anchoring is necessary, a T-shaped anchor is attached by threads to the sleeve and a rope is used to attach the anchor to a support surface.

Abstract: Rotation of a supply reel for cable or the like is controlled by a brake apparatus. The supply reel is supported on pedestals by an arbor which includes a rotor having a disc coupled to the supply reel by a drive arm so that as the reel turns the disc rotates. A piston and cylinder assembly carried by a brake frame urges brake pads into frictional engagement with opposite sides of the disc. Spring-loaded latches on the reel support pedestals releasably support the brake frame and transfer braking torque to the reel support pedestals. The brake frame includes plates that are urged apart by a spring so that the brake pads only engage opposite sides of the disc when fluid pressure from a second piston and cylinder assembly is developed by an actuating lever.

Abstract: Liquids and semiliquids, such as thixotropic gels, oil and greases, are delivered to a discharge means according to a method and through the use of an apparatus powered by hydraulic fluid under pressure which is controlled by a valve for passage to a hydraulic motor that is, in turn, coupled to a pump used to withdraw and pressurize the material for delivery by a conduit line to the discharge means having a discharge orifice that is either nonclosable or synchronously opened. The material is discharged by controlled pressurization which is initiated and terminated by controlling the flow of hydraulic fluid to the hydraulic motor in response to actuation of a trigger or switch on the discharge means. A discharge gun and a lubricator collar are two preferred forms of the discharge means.