Patents Assigned to Proprietary Technologies, Inc.
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Patent number: 4804020Abstract: A conduit liner assembly for use in the installation of a series of fiber optics cables in an existing conduit. The conduit liner assembly includes a plurality of individual chambered inserts each having a central chamber and connected one to another in bundled engagement such that each of the inserts is longitudinally moveable individually with respect to each of the inserts adjacent thereto. Also provided is a method for installation of a conduit liner assembly in an existing conduit including the steps of connecting a group of separate tubular inserts together into a loosely held bundle wherein the separate tubular inserts are longitudinally moveable with respect to one another when connected. The bundle of inserts is next pulled through an existing conduit at a suitable access point in the conduit. The bundle is separated at the access point into separate tubular inserts. A pulling force is the applied to each of the separate tubular inserts.Type: GrantFiled: May 27, 1987Date of Patent: February 14, 1989Assignee: Proprietary Technology, Inc.Inventor: Donald D. Bartholomew
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Patent number: 4802697Abstract: A releasable clip for purposes of locking a tube into a fitting is shown. The clip is formed as a ring with two or more arms that project from the ring portion. The arms project in a direction that is generally parallel to the tube axis, and are made from plastic or metal material and dimensioned so as to function as springing arms. At the end of the arms is an engaging portion that engages an interior abutting wall of the fitting. The ring portion inside diameter is disposed around the tube and engages an abutting projection (an external bead for example) on the tubing. The clip arms may also include portions at the end of the arms to facilitate installation. One or more pair of arms without the engaging portion may be used to facilitate installation by assisting in maintaining concentricity of the clip to the tube axis. A means for positioning the clip along the tube length is also shown.Type: GrantFiled: September 9, 1987Date of Patent: February 7, 1989Assignee: Proprietary Technology, Inc.Inventor: Donald D. Bartholomew
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Patent number: 4778203Abstract: A swivelable quick connect assembly for transferring of high-temperature, low-pressure fluids is disclosed as comprising a device having an axial bore for receiving one end of a conduit, a retaining element being demountably coupled to the device in the axial bore, the retaining element having a securing portion for securely fastening the conduit in the retainer element, a device engaging portion for retaining the retainer element in the axial bore of the device and the retainer having a sealing element with a concentric ring design for effecting a seal between the device and the conduit.Type: GrantFiled: October 1, 1986Date of Patent: October 18, 1988Assignee: Proprietary Technology, Inc.Inventor: Donald D. Bartholomew
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Patent number: 4730652Abstract: The fuel filling system includes double pipe fuel delivery and tank venting plumbing. Both fuel delivery pipe and tank venting pipe are flexible and communicate with the gas tank through normally closed check valves. An inlet housing defines a vent cut-off chamber which communicates with the tank venting pipe, and also includes an annular nozzle embracing seal for isolating the end of the gas pump nozzle from the vent cut-off chamber. The gas tank is thus fully sealed by the check valves during driving, so that fuel will not spill from the tank should the filling system plumbing become ruptured or should the vehicle become overturned as a result of a collision. Fuel is introduced into the tank under positive pressure provided by the filling station fuel pump. Under pumping pressure, the check valves opens to permit the inflow of fuel and the outflow of air displaced from within the tank.Type: GrantFiled: September 2, 1986Date of Patent: March 15, 1988Assignee: Proprietary Technology, Inc.Inventor: Donald D. Bartholomew
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Patent number: 4683917Abstract: A tubular conduit assembly for confining or conveying a pressurized fluid including a flexible, thin-walled inner tube coaxially disposed within a flexible armor or outer tube. The outer tube is preferably constructed from one or more helically-wound members corresponding with, and engaging, helical corrugations on the inner tube. The inner tube deforms in response to the pressure and/or temperature of the fluid in order to form an internal sealing layer or sleeve-type coating for the outer tube. A shrink fitting assembly is also disclosed, which is adapted for compressingly urging the conduit assembly into an anchored, sealing relationship with a nipple member or other connection device inserted within an open end of the conduit assembly.Type: GrantFiled: August 28, 1985Date of Patent: August 4, 1987Assignee: Proprietary Technology, Inc.Inventor: Donald D. Bartholomew
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Patent number: 4681351Abstract: A swivelable quick connect assembly for use with tubular conduits is disclosed as comprising a housing having an axial bore for receiving one end of the conduit, an elastomeric ring-like seal is disposed in the bore for providing a fluid tight seal between confronting portions of the conduit and the housing, an annular bushing is disposed in the bore for positioning the seal and for guiding the one end of the conduit into nesting relationship with the bore, and a retainer is detachably secured to the housing and is cooperable with an annular projection on the conduit for securing the conduit in its operative position within the bore, the retainer having resilient deformable portions which are adapted to snap over the locking wall upon insertion of the conduit into the bousing bore. Also, a retainer element is disclosed as comprising a collar and at least one or more deflectable legs projecting from the collar.Type: GrantFiled: September 16, 1985Date of Patent: July 21, 1987Assignee: Proprietary Technology, Inc.Inventor: Donald D. Bartholomew
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Patent number: 4677861Abstract: The present safety belt assembly measures the amount of force exerted on the assembly and, also, the point in time when a force was exerted on the assembly. The assembly comprises a first and second member; a mechanism coupled with the first and second members which provides incremental movement of the members; a resilient biasing member in communication with the members for maintaining the members in a first relaxed position; the resilient biasing member enabling the measurement of an amount of force exerted on the assembly; a mechanism for indicating when a force is exerted on the assembly and a mechanism for securing the assembly to a belt and buckle.Type: GrantFiled: September 16, 1985Date of Patent: July 7, 1987Assignee: Proprietary Technology, Inc.Inventor: Donald D. Bartholomew
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Patent number: 4541658Abstract: A quick connector assembly for use with tubular conduits is disclosed as comprising a housing having an axial bore for receiving one end of the conduit, an elastomeric ring-like seal is disposed in the bore for providing a fluid tight seal between confronting portions of the conduit and the housing, an annular bushing is disposed in the bore for positioning the seal and for guiding the one end of the conduit into nesting relationship with the bore, and a retainer is detachably secured to the housing and is cooperable with an annular projection on the conduit for securing the conduit in its operative position within the bore, the retainer having resilient deformable portions which are adapted to snap over the annular projection upon insertion of the conduit into the housing bore.Type: GrantFiled: December 12, 1983Date of Patent: September 17, 1985Assignee: Proprietary Technology, Inc.Inventor: Donald D. Bartholomew
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Patent number: 4526411Abstract: A quick connector assembly for use with tubular conduits is disclosed as comprising a housing having an axial bore for receiving one end of the conduit, an elastomeric ring-like seal is disposed in the bore for providing a fluid tight seal between confronting portions of the conduit and the housing, an annular bushing is disposed in the bore for positioning the seal and for guiding the one end of the conduit into nesting relationship with the bore, and a retainer is detachably secured to the housing and is cooperable with an annular projection on the conduit for securing the conduit in its operative position within the bore, the retainer is formed from a cap having several lateral slots which cooperate with a groove formed by the housing such that an external clip having two legs may be used to secure the cap to the housing.Type: GrantFiled: December 12, 1983Date of Patent: July 2, 1985Assignee: Proprietary Technology, Inc.Inventor: Donald D. Bartholomew
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Patent number: 4524995Abstract: A swivelable quick connect assembly for use with tubular conduits is disclosed as comprising a housing having an axial bore for receiving one end of the conduit, an elastomeric ring-like seal is disposed in the bore for providing a fluidtight seal between confronting portions of the conduit and the housing, an annular bushing is disposed in the bore for positioning the seal and for guiding the one end of the conduit into nesting relationship with the bore, and a retainer is detachably secured to the housing and is cooperable with an annular projection on the conduit for securing the conduit in its operative position within the bore, the retainer having resilient deformable portions which are adapted to snap over the locking wall upon insertion of the conduit into the housing bore.Type: GrantFiled: July 14, 1983Date of Patent: June 25, 1985Assignee: Proprietary Technology, Inc.Inventor: Donald D. Bartholomew
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Patent number: 4508234Abstract: A drainport closure device particularly suitable for a motor vehicle radiator drain valve. The device is composed of a housing and plug member. The housing communicates with a fluid containing vessel at one end and the other end receives the plug. The plug has one or more flexing arms which may be compressed to permit the plug to be moved between two positions within the housing. In the first position an "O"-ring seal carried by the plug prevents fluid drainage whereas when the plug is repositioned to a second position, fluid drainage occurs.Type: GrantFiled: August 17, 1983Date of Patent: April 2, 1985Assignee: Proprietary Technology, Inc.Inventor: Donald D. Bartholomew