With Holding Means Functioning Only During Transportation Assembly Or Disassembly Patents (Class 285/23)
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Patent number: 6773037Abstract: A plastic bracket (10) including a screw housing cover (26) and a pair of opposing tabs (28) is pressed over a screw housing (12) of a worm drive clamp (14) to secure the worm drive clamp (14) to a hose (24). The tabs (28) can extend either be inside or outside of the screw housing cover (26). A protrusion (46) located on each of the opposing inner surfaces (48) of the screw housing cover (26) retain the bracket (10) over the screw housing (12). End caps (40) and (44) molded across opposing sides of the screw housing cover (26) maintain the position of the screw housing (12) in the screw housing cover (26) during assembly and prevent the sliding of the worm drive clamp (14).Type: GrantFiled: November 20, 2001Date of Patent: August 10, 2004Assignee: Cooper Technology Services, LLCInventor: Jimmy C. Spurgat
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Publication number: 20040094958Abstract: A coupling is designed for sealingly connecting two fluid conduits such as automotive fluid lines in axial end-to-end relationship. The conduits have respective telescopically interengaging male and female end sections and the coupling comprises a base member to be carried on one of the fluid conduits and a retaining structure mounted on the base member and having two C-shaped arms which can be interconnected around the other conduit end section. A releasable lock acts between the arms to lock the retaining structure in engagement. In the locked condition the axially oriented abutment surfaces in the retaining structure engage peripheral shoulders on the conduits to prevent axial separation of the latter. The coupling can be fabricated from integral plastic components and preferably includes a guard arrangement to shield the releasable lock against inadvertent disengagement.Type: ApplicationFiled: November 14, 2002Publication date: May 20, 2004Inventors: Andrew Clare Treverton, Leonard J. Park, Steve Roger Foster, Edward Alexander Mann
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Publication number: 20040080154Abstract: In a connection of a hose clamp and a hose that is provided with projections, wherein the hose clamp surrounding the hose is pre-positioned between the projections before tightening of the hose clamp on the hose, the projections are arranged on opposed sides of the hose clamp and have gaps. A locking strip with laterally projecting tabs is fastened on an inner side of the hose clamp. The laterally projecting tabs engage in a positive-looking way the gaps.Type: ApplicationFiled: October 16, 2003Publication date: April 29, 2004Applicant: Rasmussen GmbHInventors: Mathias Krauss, Bernd Beicht
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Patent number: 6726253Abstract: A pipe joint provided with a pipe joint main body having an insertion cylinder portion inserted to an end portion of a pipe to be connected, a seal member attached to a peripheral groove on the insertion cylinder portion, a clamp ring with a slit for fastening the end portion of the pipe outserted to the insertion cylinder portion with elastic fastening force, and a diameter-extension piece detachably held at the slit as to extend the clamp ring resisting the elastic force of the clamp ring and detached by contact with a forth end of the pipe.Type: GrantFiled: July 24, 2002Date of Patent: April 27, 2004Assignees: Higashio Mech Co., Ltd., Inoue Sudare Co., Ltd.Inventors: Hiroshi Inoue, Akio Yasuda, Takao Shibata
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Publication number: 20040066033Abstract: A hose assembly having a resilient hose constructed of an elastomeric material. A hose clamp is positioned over one end of the hose. This hose clamp is then secured to the tube by applying a molten thermoplastic material over a portion of the hose as well as a portion of the hose clamp. The hose assembly thus achieves accurate positioning of the hose clamp on the hose prior to installation of the hose assembly in its intended application.Type: ApplicationFiled: October 8, 2002Publication date: April 8, 2004Applicant: Pilot Industries, Inc.Inventors: Scott D. Rier, Frederick W. Woodward
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Publication number: 20040061335Abstract: A quick locking and unlocking coupling for connecting lengths of flexible, corrugated conduit in end to end registration, or for attaching conduit to an outlet, feeder or source of, for example, industrial, high volume vacuuming equipment, includes a cylindrical conduit joining member having half sections that are insertable within the ends of the conduit lengths for aligning and supporting the conduit ends thereby establishing fluid, gas or material flow communication through the lengths of conduit. An annular center flange projects from the conduit joining member providing an abutment surface for the respective conduit ends, and a pair of pivotally joined arcuate arms are mounted to the flange and are movable from an unlocked position to a locked position encompassing the flange and the ends of the conduit thereby locking the coupling to the conduit ends and interconnecting the conduit lengths thus providing gas, fluid or material flow therethrough.Type: ApplicationFiled: October 1, 2002Publication date: April 1, 2004Inventor: Mark S. Mills
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Patent number: 6709021Abstract: A device for coupling tubular members including a sheet member having a first end and a second end where the first end and the second end are operatively arranged to overlap one another to form a substantially cylindrically shaped coupling, an abutment member mounted to the sheet member proximate the second end thereof, a male threaded member, a female member pivotably mounted proximate the first end of the sheet member and arranged for pivoting rotation about a pivot point, where the female member is arranged to threadably engage the threaded male member, and the male member is operatively arranged to abut the abutment member, wherein the male threaded member is operatively arranged to rotate in a first direction to abut the abutment member and expand the substantially cylindrically shaped coupling.Type: GrantFiled: October 15, 2002Date of Patent: March 23, 2004Assignee: D.J. Mielke, Inc.Inventors: Duane J. Duncan, David W. Mielke, Jr.
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Patent number: 6695353Abstract: A fitting for corrugated tubing has a body with an internal conduit therethrough and a centerline. The body further includes a distal end located on a first end of the body, the distal end having a first outer diameter and a cross sectional thickness. A channel is formed through an interior surface of the distal end, which channel extends circumferentially around the interior surface of the distal end. Thereby, a sealing material may be inserted into the channel, between the interior surface of the distal end and the internal conduit.Type: GrantFiled: November 7, 2000Date of Patent: February 24, 2004Assignee: Omega Flex, Inc.Inventor: Steven A. Treichel
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Patent number: 6695354Abstract: A tube arrangement, comprising a tube made of a polymer material which is provided with an embedded reinforcement. At least one tube end is slid onto a short metal or plastic pipe. A pipe clamp, especially a screw pipe clamp, secures the tube end onto the pipe. A retaining sleeve on the tube end secures the pipe clamp to the tube. This retaining sleeve is made of a polymer material and comprises a one piece molded part which is pushed onto the tube end. The retaining sleeve comprises the following components: a retainer ring with an inner diameter which is positioned over the outer diameter of the tube end; a clamp receiving element in the form of at least two axially extending retaining elements which are connected to the retainer ring at one end; a retaining collar at the other end of each retaining element; and a collar ring with an inside diameter connecting the retaining collars.Type: GrantFiled: February 26, 2002Date of Patent: February 24, 2004Assignee: Phoenix AGInventors: Hermann Brockmann, Karsten Küddelsmann, Wolfgang Papenfuss, Manfred Seeck
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Patent number: 6685229Abstract: A hose having clamps secured at opposing ends is disclosed. The clamps provide a compressive force to secure the hose to an appropriately sized tube. A portion of the clamp is disposed between an inner surface and an outer surface of the hose to help prevent accidental removal. A portion of the clamp may extend out an opening expending from a passageway formed between the inner and outer surface. The openings at the opposing end of the hose may be rotational aligned relative to each other and optionally to curves in the hose itself.Type: GrantFiled: May 13, 2002Date of Patent: February 3, 2004Assignee: MPDIInventor: Mark D. Morrison
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Patent number: 6685232Abstract: A clip for assembling a module comprising a flange head bolt, and a member that receives the flange head bolt. The clip has an inner washer and an outer washer that are joined by a bridging portion. The outer washer has a retainer tub that engages the flange of the flange head bolt. The clip may be referred to as a banjo clip when it is used with a banjo block that connects a brake line to a brake caliper.Type: GrantFiled: September 6, 2002Date of Patent: February 3, 2004Assignee: Franklin Fastener CompanyInventor: James M. Sampson
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Patent number: 6679528Abstract: The device for quickly coupling a tube to an element comprises a tubular endpiece (1) subdivided along its axis (2) into a first portion (3) for connecting to the tube and a second portion (4) for coupling to the element (100), and fastening means (3.1, 15) for securing the tube to the endpiece and the endpiece to the element, the second portion (4) of the endpiece (1) possessing a groove (8) for receiving a sealing gasket (9). The endpiece (1) is fitted with a sleeve (10) for protecting the gasket (9), which sleeve is mounted to slide between a position in which it overlies the groove (8), thereby protecting the gasket (9), and a disengaged position which is offset relative to the groove (8).Type: GrantFiled: December 28, 2001Date of Patent: January 20, 2004Assignee: Legris SAInventor: Philippe Poder
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Patent number: 6637781Abstract: A coupling assembly for coupling fluid components includes a female coupler having a receiver defined therein. A male coupler has an insert, the insert being receivable within the female coupler receiver in sealing engagement. And, a spacer is matable to both the female coupler and the male coupler when the female coupler and the male coupler are in sealing engagement, the spacer effecting positive engagement of the female and the male couplers. A method of coupling/uncoupling a coupling assembly is also included.Type: GrantFiled: October 7, 2002Date of Patent: October 28, 2003Assignee: International Engine Intellectual Property Company, L.L.C.Inventor: Kenneth R. Seymour, II
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Patent number: 6612619Abstract: A quick coupler retention clip is disclosed for preventing an inadvertent disconnection of a quick coupler. The clip device includes a unitary clip having a first and a second end. The first end of the clip is of annular configuration so that the body of the coupler extends through the annular first end for anchoring the first end of the clip relative to the body. The second end of the clip is a C-shaped configuration to removably engage a groove defined between a collar and the body of the coupler. A strap extends between the first and second ends of the clip for securing the first and second ends of the clip together. The disconnection of the body from the port of the quick coupler is permitted only when the C-shaped second end is removed from engagement with the groove so that inadvertent disconnection of the body from the port is prevented.Type: GrantFiled: January 5, 1999Date of Patent: September 2, 2003Inventor: Martin H. Wieder
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Patent number: 6581941Abstract: A gasket having centering features. The gasket comprises a centering portion for which three embodiments are described. The centering portion is switchable between a flush configuration, in which the gasket may be employed between the flange faces of two pipe flanges as typical, and a centering configuration, in which the gasket provides a means for centering the gasket in the pipe joint. In a first embodiment, a normally flush centering portion comprises a flap for centering the gasket, in a second embodiment, the centering portion comprises a collapsible protuberance for centering the gasket, in a third embodiment, the gasket comprises a non-collapsible protuberance for centering the gasket which is physically removable, and in a fourth embodiment the centering portion comprises an annular ring adapted for mating with an annular relief formed in a corresponding one of the flange faces.Type: GrantFiled: July 13, 2001Date of Patent: June 24, 2003Inventor: Ronald L. Carr
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Publication number: 20030102663Abstract: An adapter device includes a bracket having a wall and a fence extended from a base panel, the fence includes an opening formed by two arms for receiving a pipe, a tube is threaded to the wall and has one end movable toward and away from the fence. One or more plugs are selectively engaged between the tube and the pipe for making a tight seal between the tube and the pipe. One or more of the plugs may include a blind structure to block the tube and the pipe, or may include an orifice for communicating the tube and the pipe with each other.Type: ApplicationFiled: December 17, 2002Publication date: June 5, 2003Inventor: Chun-Chung Chu
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Publication number: 20030090104Abstract: A device for securing a hose clamp having an adjustment mechanism to a section of a flexible hose adjacent one end of the hose is disclosed. The device comprises an elongated web constructed of a flexible material. An adhesive material is disposed along at least a portion of one side of the web while the web is divided into a plurality of longitudinally adjacent tape segments. Each tape segment is substantially U-shaped having spaced sides, a base and thus forming a rectangular opening between the sides and the base. This rectangular opening, furthermore, is dimensioned to receive at least a portion of the clamp adjustment mechanism such that, in doing so, a portion of the tape segment overlies both a portion of the hose clamp as well as the hose.Type: ApplicationFiled: November 15, 2001Publication date: May 15, 2003Inventor: Frederick W. Woodward
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Patent number: 6554319Abstract: The dispensing system for a remote operation includes a trigger sprayer assembly removably mounted to a container of liquid to be sprayed, the assembly being mounted within a cutout section provided at the upper end of the container as part of a through opening forming the carrying handle of the container. The trigger sprayer assembly has a flexible delivery tube which may be coiled and stored within a hollow gripper handle provided on the trigger sprayer, and may extend outwardly from the gripper handle to function as a resilient element for mounting the trigger sprayer in place. A one-piece adaptor is non-removably connected to a distal end of the delivery tube and connects to the container by mounting directly to an external dip tube of the container or by mounting in a closure cap of the container.Type: GrantFiled: February 12, 2002Date of Patent: April 29, 2003Assignee: Saint-Gobain Calmar Inc.Inventors: Jacques J. Barriac, Joseph Krestine, Steven L. Sweeton
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Publication number: 20030071458Abstract: The invention relates to a tube arrangement, comprising a tube consisting of a polymer material which is provided in particular with an embedded resistance support. At least one tube end (7) is slid onto a connection piece consisting of metal or plastic. A clamp, especially a screw clamp, presses the tube end onto the connection piece. The inventive hose arrangement is characterised in that the tube end (7) is provided with a retaining collar (1′) for the clamp, this retaining collar being slid onto the tube end and consisting of a polymer material.Type: ApplicationFiled: February 26, 2002Publication date: April 17, 2003Inventors: Hermann Brockmann, Karsten Kuddelsmann, Wolfgang Papenfuss, Manfred Seeck
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Patent number: 6533332Abstract: The coupling includes a peripheral locking gasket for the pipe, the gasket being elastically deformable from a state in which it has a nominal inside diameter; an outer clamping ring placed on the end of the pipework element and surrounding the gasket; and a mechanism for thrusting the clamping ring axially towards the pipework element. The coupling has a spacer for holding the gasket spaced apart with an inside diameter greater than its nominal diameter before the pipe is put into place, the spacer being releasable once the pipe is in place.Type: GrantFiled: April 11, 2002Date of Patent: March 18, 2003Assignee: Saint-Gobain PamInventors: Jean-Pierre Vitel, Noël Favier, Didier Lescot, Philippe Renard
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Patent number: 6530609Abstract: A hose and clamp assembly wherein the clamp is affixed to the hose in a single location, with limited circumferential movement of the clamp. The hose and clamp assembly is comprised of a hose, an annular hose clamp, and a clip. The clamp has an aperture therein and, in the hose and clamp assembly, is placed around the hose in a predetermined location and orientation. The clip has a protrusion that extends through the clamp aperture for securing the clip to the clamp. The clip is secured to the underside of the clamp and the clip is secured to the hose.Type: GrantFiled: February 5, 2002Date of Patent: March 11, 2003Assignee: The Goodyear Tire & Rubber CompanyInventor: Andrew Myles Chatterton
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Patent number: 6517115Abstract: The device comprises a tubular insert (1) possessing external means (2) for fixing it in a bore (34) of the rigid element (30) and internal means for axially locking the tube inside the insert (1). The axial locking means comprise a sleeve (69) disposed inside the tubular insert (1) and possessing a broad end arranged to bear against an internal abutment member (75) of the tubular insert (61) and a narrow end that is elastically deformable in a radial direction between a small rest configuration where it forms an abutment for a shoulder (93) of the tube (90) and an enlarged elastically deformed configuration allowing the shoulder of the tube to pass through while it is being inserted.Type: GrantFiled: July 12, 2001Date of Patent: February 11, 2003Assignee: Legris SAInventor: Philippe Blivet
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Patent number: 6457211Abstract: A hose wire-clamp arrangement includes a hose clamp (1) that comprises a helical, resilient wire, which is angled outward nearly radially or circumferentially at at least one end portion (3) and at one further portion (6). To allow the hose wire-clamp (1) to be mounted to a fitting such that it can be released easily without a tool and, once mounted, can withstand high internal pressure on the hose, a retaining sheet (2) having two spaced cutouts (8, 9) is detachably mounted to the hose wire-clamp (1) such that each of the two angled portions (3,6) rests against a respective one of the two cutouts (8, 9).Type: GrantFiled: January 2, 2001Date of Patent: October 1, 2002Assignee: Eugster/Frismag AGInventor: Daniel Fischer
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Patent number: 6443500Abstract: A pipe joint provided with a pipe joint main body having an insertion cylinder portion inserted to an end portion of a pipe to be connected, a seal member attached to a peripheral groove on the insertion cylinder portion, a clamp ring with a slit for fastening the end portion of the pipe outserted to the insertion cylinder portion with elastic fastening force, and a diameter-extension piece detachably held at the slit as to extend the clamp ring resisting the elastic force of the clamp ring and detached by contact with a forth end of the pipe.Type: GrantFiled: September 14, 2000Date of Patent: September 3, 2002Assignees: Higashio Mech Co., LTD, Inoue Sudare Co., LTDInventors: Hiroshi Inoue, Akio Yasuda, Takao Shibata
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Patent number: 6428052Abstract: A preassembled fitting including a body, a nut and a collet positioned within the nut. The nut is threaded on the body a predetermined distanced to allow the installer to snap the corrugated tubing into the nut and engage the collet. The nut is then further tightened to seal the body to the corrugated tubing. A tapered surface on the body engages the cut end of the corrugated tubing and flares the cut end of the corrugated tubing. The fitting will make a metal to metal seal by folding the convolutions of the tubing back against itself creating a double flare.Type: GrantFiled: June 21, 2000Date of Patent: August 6, 2002Assignee: Omega Flex, Inc.Inventors: Mark Albino, Edwin E. Pike
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Patent number: 6419128Abstract: The dispensing system for a remote operation includes a trigger sprayer assembly removably mounted to a container of liquid to be sprayed, the assembly being mounted within a cutout section provided at the upper end of the container as part of a through opening forming the carrying handle of the container. The trigger sprayer assembly has a flexible delivery tube which may be coiled and stored within a hollow gripper handle provided on the trigger sprayer, and may extend outwardly from the gripper handle to function as a resilient element for mounting the trigger sprayer in place. A one-piece adaptor is non-removably connected to a distal end of the delivery tube and connects to the container by mounting directly to an external dip tube of the container or by mounting in a closure cap of the container.Type: GrantFiled: February 12, 2002Date of Patent: July 16, 2002Assignee: Saint-Gobain Calmar Inc.Inventors: Jacques J. Barriac, Joseph Krestine, Steven L. Sweeton
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Patent number: 6406034Abstract: A joint for a shaft assembly includes a housing fitted with a boot seal that encircles and seals about a stub end of a shaft extending into the housing. The boot seal has a collar-like neck portion whose inner surface is formed with an annular wiper rib. Prior to assembly with the shaft, a shipping plus is disposed in the neck of the seal to guard against the escape of grease and the ingress of contaminants. The wiper rib of the seal is operative to engage and wipe grease from the inserted shank of the shipping plug upon its removal to prevent the grease from accumulating in the neck region and impairing the performance of the seal.Type: GrantFiled: October 27, 1999Date of Patent: June 18, 2002Assignee: Delphi Technologies, Inc.Inventors: Avissai Alcantara, Keith Allen Kozlowski
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Publication number: 20020070543Abstract: A seal retaining system for retaining a seal ring in a pipe coupling, wherein a plurality of seal ring retainers are connected to a flange around the periphery of a seal seat and wherein the retainers can be moved from an open position in which a seal ring can be placed on or removed from the seal seat to a closed position in which the seal ring is retained in position on the seal seat. In one embodiment, each retainer comprises a rotatable cam having a lip which extends generally around the circumference of the cam, but is truncated on one side. When the truncated portion faces the seal seat, the seal ring can be installed or removed. When the truncated portion faces away from the seal seat, the seal ring is held in position on the seal seat. The cams may be attached with bolts that can be sheared off if the cams are frozen in position.Type: ApplicationFiled: February 8, 2002Publication date: June 13, 2002Inventor: John W. Aaron
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Patent number: 6398265Abstract: A fluid conduction integrated system including an elastomeric hose for conducting fluids, an open clamp (10) for fixing the hose in a place of use, and a band-shaped fixation element (20) arranged in a region of the cooperating fixation portions of the hose (1) and the clamp (10), with the hose (1), the clamp (10), and the fixation element (20) being connected with each other by vulcanization.Type: GrantFiled: August 30, 2000Date of Patent: June 4, 2002Assignee: Sabo Industrio E Commercia LtdaInventor: Alfredo Miguel Sabó
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Publication number: 20020060453Abstract: A plastic bracket (10) including a screw housing cover (26) and a pair of opposing tabs (28) is pressed over a screw housing (12) of a worm drive clamp (14) to secure the worm drive clamp (14) to a hose (24). The tabs (28) can extend either be inside or outside of the screw housing cover (26). A protrusion (46) located on each of the opposing inner surfaces (48) of the screw housing cover (26) retain the bracket (10) over the screw housing (12). End caps (40) and (44) molded across opposing sides of the screw housing cover (26) maintain the position of the screw housing (12) in the screw housing cover (26) during assembly and prevent the sliding of the worm drive clamp (14).Type: ApplicationFiled: November 20, 2001Publication date: May 23, 2002Inventor: Jimmy C. Spurgat
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Patent number: 6343772Abstract: A hose clamp includes a clamping body formed by bending a band-shaped spring plate into a generally circular shape flexibly deformed into a contracted state and a spread state. The clamping body is attached to a hose before the hose is connected to a pipe. A holder is mounted on the clamping body to hold the clamping body in the spread state in which the clamping body is loosely fitted with an end of the hose. The holder releases the clamping body from the spread state so that the clamping body is deformed into the contracted state in which the clamping body clamps a junction of the hose and the pipe. A positioner positions the clamping body at the end of the hose, the positioner including a clamp retainer attached to an outer circumference of the clamping body and a locking element which engages the hose to prevent the clamping body from displacing axially and circumferentially with respect to the hose.Type: GrantFiled: March 1, 2000Date of Patent: February 5, 2002Assignee: Togo Seisakusyo CorporationInventor: Shigeo Oi
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Publication number: 20010045743Abstract: A quick coupler retention clip is disclosed for preventing an inadvertent disconnection of a quick coupler. The clip device includes a unitary clip having a first and a second end. The first end of the clip is of annular configuration so that the body of the coupler extends through the annular first end for anchoring the first end of the clip relative to the body. The second end of the clip is a C-shaped configuration to removably engage a groove defined between a collar and the body of the coupler. A strap extends between the first and second ends of the clip for securing the first and second ends of the clip together. The disconnection of the body from the port of the quick coupler is permitted only when the C-shaped second end is removed from engagement with the groove so that inadvertent disconnection of the body from the port is prevented.Type: ApplicationFiled: January 5, 1999Publication date: November 29, 2001Inventor: MARTIN H. WIEDER
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Patent number: 6305721Abstract: A plug-in coupling for pressure application systems, including a receiving component, a connector component with a connecting shaft, an expanding cylinder supported on the connecting shaft between a radial step and a limit stop, and a spring unit initially supported on the expanding cylinder. The receiving component defines an opening and has a holding element, which is biased in a closed position and movable to an opened position. The connecting shaft of the connector component can be inserted into the opening of the receiving component along an insertion direction thereby engaging the radial step with the holding element to prevent loosening of the connector component from the receiving component. In this position, the expanding cylinder is located between the spring unit and the limit stop.Type: GrantFiled: March 26, 1999Date of Patent: October 23, 2001Assignee: Armaturenfabrik Hermann Voss GmbH & CoInventors: Gundolf Heinrichs, Manfred Berg
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Patent number: 6231085Abstract: An improved tubing adapter or coupling apparatus, and combination of same with other fittings, is characterized by an adapter member having a first end including at least one exterior barb for engagement with tubing and a sleeve member operatively positioned around the adapter. In some systems, the tubing or hose may include a fitting at its other extremity, such as a hose end, an ell, or another coupling. The sleeve member of the coupling apparatus preferably includes one or more view ports. The ports can enable the user to visually confirm the tubing has been properly and completely assembled onto the adapter member, and, following initial assembly, to visually ascertain the position of the tubing on the adapter. The apparatus also preferably includes corresponding engagement detents on the adapter and sleeve member, for initial engagement of the retaining member with the adapter member prior to assembly with tubing.Type: GrantFiled: May 14, 1998Date of Patent: May 15, 2001Assignee: Irrigation Development CompanyInventor: Donald O. Olson
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Patent number: 6231084Abstract: A plug-in coupling for systems involving pressurized media, where the coupling consists of two connector parts, a housing part (2) and a connector part (4). The connector part (4) can be inserted into a receiving opening (8) of the housing part (2), while it is being sealed, and when it is in a plugged-in condition, it can be locked in place and prevented from being released by means of a locking device (10). The locking device (10) includes a retaining element (12), which is supported on one side of one of the coupling parts, and which retaining element engages—while in the assembled state—a retaining groove (16) of the other coupling part by means of a form-fit or a form- and friction-fit.Type: GrantFiled: February 25, 1998Date of Patent: May 15, 2001Assignee: Armaturenfabrik Hermann Voss GmbH & Co.Inventors: Hilmar Hester, Bettina Schröer
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Patent number: 6173993Abstract: A joint restraint (10) for securing a first pipe (12) to a second pipe. The joint restraint (10) includes an annular body (14) and a plurality of wedge housings (18) extending from the annular body (14) and characterized by open rear faces (38) to allow coreless casting. A bolt (32) is disposed within a hole (30) in each wedge housing (18) and a wedge (40) is disposed within each wedge housing (18). Each wedge (40) has a bolt-actuated tooth (52), a larger pressure-actuated tooth (54), a top surface (44) having a groove (48) adapted to slidably receive a bolt actuator (32), and a bottom surface (42) that is partially tapered to act as a bearing (76) limiting the extent of bolt-driven actuation.Type: GrantFiled: June 11, 1999Date of Patent: January 16, 2001Assignee: EBAA Iron, Inc.Inventors: Dennis D. Shumard, Michael L. Lundstrom
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Patent number: 6158781Abstract: A swivel coupling for connecting misaligned pipe sections, the swivel coupling having a socket member with an integral flange, a ball member which mates with the socket member and a ball swivel flange which holds the ball member in contact with the socket member. The ball member has a spherical outer surface which is complementary to a spherical inner surface of the socket member and allows the ball member to swivel while remaining in mating contact with the socket member. The ball swivel flange has an inner spherical surface which includes an equatorial band wide enough to capture the spherical surface of the ball member within the ball swivel flange. A sealing ring is positioned between the ball member and socket member to ensure a proper seal. The flange of the socket member is bolted to the ball swivel flange to hold the swivel coupling assembly together and to draw the ball member and socket member into sealing contact.Type: GrantFiled: May 18, 1998Date of Patent: December 12, 2000Assignee: Taper-LokInventor: John William Aaron, III
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Patent number: 6116657Abstract: An arrangement for positionally securing a clamp structure on a hose-like member in the partially tightened preassembled condition in which a cut-out is provided in one or on both sides of the clamping band and the hose-like member is provided with knub-like projections of a shape and location complementary to engage in the cut-outs.Type: GrantFiled: June 23, 1998Date of Patent: September 12, 2000Assignee: Hans Oetiker AG Maschinen-Und ApparatefabrikInventor: Hans Oetiker
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Patent number: 6113151Abstract: A high pressure quick connector is disclosed for use in connecting brake lines of a vehicle, particularly to a brake junction for an anti-lock brake system. The connector includes a housing for receiving a tube retainer. The tube retainer has a lower cylindrical portion that is positively attached to enclose a flared end form to provide a fluid seal. Retaining means in the form of a snap ring works in conjunction with a pop top to provide a low force and a positive insertion indicator. The snap ring has ears that are compressed together and inserted up inside a slot in the pop top. Upon installation of the tube retainer and retaining means into a central bore of the housing, an end portion of the housing makes contact with the pop top so that the pop top slides up the tube. As the pop top slides up the tube, the snap ring ears are released from the pop top slot. The snap ring expands upon release into a final latching position with the housing and tube retainer.Type: GrantFiled: January 27, 1998Date of Patent: September 5, 2000Assignee: ITT Manufacturing Enterprises, Inc.Inventor: Bruce A. Beans
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Patent number: 6079749Abstract: A preassembled fitting including a body, a nut and a collet positioned within the nut. The nut is threaded on the body a predetermined distanced to allow the installer to snap the corrugated tubing into the nut and engage the collet. The nut is then further tightened to seal the body to the corrugated tubing. A tapered surface on the body engages the cut end of the corrugated tubing and flares the cut end of the corrugated tubing. The fitting will make a metal to metal seal by folding the convolutions of the tubing back against itself creating a double flare.Type: GrantFiled: August 4, 1997Date of Patent: June 27, 2000Inventors: Mark Albino, Edwin E. Pike
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Patent number: 6079750Abstract: Quick connect couplings for connecting a small internal diameter brake hose to a formed metal tube in a brake system includes a connector body having a crimp collar at one end and a stepped bore with an entry opening at the other end. The stepped bore includes a first step which is abutted axially by a seal. In accordance with a preferred embodiment, a retaining element axially engages an inwardly extending radial surface in the bore and an annular groove in the tube. In accordance with the preferred embodiment, the retaining ring is integral with the tube and the seal is accomplished by a three lobed seal which is held in abutment with the first step by a Teflon.RTM. spacer, the Teflon.RTM. spacer being engaged by a bead on the formed metal tube.Type: GrantFiled: September 18, 1996Date of Patent: June 27, 2000Assignee: Dana CorporationInventor: Steven C. Kacines
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Patent number: 6065779Abstract: A clip for use in combination with a fitting of a variety adapted for a releasable connection with the distal end of a length of tubing as including a body member, and an annular collet member received within a gland of the body member for slidable axial movement intermediate a rearward position accommodating the radial outward expansion of the collet member for the insertion and removal of the tubing end therethrough and a forward position effecting the radially inward contraction of the collet member about the outer tubing diameter delimiting the removal of the tubing distal end from the fitting. The clip includes a retaining portion configured to be received coaxially on the collet member intermediate an external forward end thereof and an opposing end of the fitting body member, and a shroud portion configured to extend over the forward end of the collet member for delimiting force-transmitting contact therewith tending to move the collet member from its forward to rearward position.Type: GrantFiled: March 23, 1998Date of Patent: May 23, 2000Assignee: Parker-Hannifin CorporationInventors: Ronald A. Moner, Jerry L. Meeks
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Patent number: 6039358Abstract: A connecting means for two parts in a fluid conducting assembly. The connecting means comprises coupling means located on joint sides opposite to one another on the parts, such means rendering possible a displaceable attachment together of the parts with an interlocking effect in the assembly direction. Furthermore connecting members are provided to act on opposite sides of the parts, of which at least one connecting member, is able to be locked using holding and securing means on the pushed together parts in order to set the relative position of same. Simultaneously the setting in place of a clamping means acting on the connecting members is facilitated. The connecting means renders possible a simple, secure and rapid coupling of the parts.Type: GrantFiled: February 11, 1998Date of Patent: March 21, 2000Assignee: Festo AG & Co.Inventors: Kurt Stoll, Rolf Berger, Gunter Gebauer
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Patent number: 5979838Abstract: An apparatus and method for retaining a seismic cable connector module to permit in-water repair of seismic cables. A clamp is supported by a vessel positioned over the submerged seismic cable. The seismic cable is raised above the water surface, and the clamp is attached to the exterior surface of the connector module. The clamp can include a lock for securing the connector module, and a swivel between the clamp and the vessel can permit movement of the connector module relative to the vessel as the vessel heaves due to wind and wave action. The clamp can release the connector module if the environmental forces acting on the connector module exceed a selected amount. The clamp can be attached to a separate vessel for in-water use or can be attached to the vessel deck. A clasp within the exterior surface of the connector module is detachably engagable with a clamp supported by the vessel.Type: GrantFiled: January 31, 1997Date of Patent: November 9, 1999Assignee: Western Atlas International, Inc.Inventor: Richard Peter Romagnoli, Jr.
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Patent number: 5967564Abstract: The connection or coupling between two equipments such as pipes (1 and 2) by a clamp (17) involves the use of a second clamp (8), tightened around the fixed pipe (1) and carrying a cradle (9) for supporting the clamp (17). This arrangement makes it possible to place the coupling parts in succession and to release them immediately afterwards. The cradle (9) also prevents the clamp (17) from tilting when its clamping screw (22) is turned. Finally, a sleeve (27) maintains the extension position of the pipes (1, 2), while also centering the sealing joint (32). All these advantages make it possible to correctly and easily assemble the parts with a single remote manipulator in the hot cells of nuclear installations.Type: GrantFiled: April 23, 1998Date of Patent: October 19, 1999Assignee: Compagnie Generale des Matieres NucleairesInventor: Jacques Gaucherot
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Patent number: 5964482Abstract: In a connection between a pipe and a molding, a tubular housing, fixed on the molding, engages around the pipe with an inner wall tapering conically toward the free end of the housing. Arranged between the pipe and the housing inner wall is a clamping ring, which braces the pipe with the housing in a wedge-like manner. The clamping ring is held in its wedging functional position by a spring element acting on it in the axial direction. The spring element can be locked in a prestressed state without force acting on the clamping ring. To establish the connection between the pipe and the molding, a locking clip passing through the housing is pulled out of the housing to relax the spring element.Type: GrantFiled: November 5, 1997Date of Patent: October 12, 1999Assignee: Georg Fischer Rohrleitungssysteme AGInventors: Michael Bamberger, Erasmo Porfido, Bernd Kling
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Patent number: 5961153Abstract: An exhaust repair kit, including methods of manufacture and use thereof, in mounting a damaged pipe end to a flanged pipe end in a vehicle exhaust system comprising a length of tubing having a first portion and a second portion. The first portion being sized for engagement with the damaged pipe end. A replacement flange engages the second portion through a replacement flange aperture. The replacement flange aperture is of a sufficient diameter to allow the replacement flange to be freely movable axially and circumferentially about the second portion and enables the replacement flange to universally engage a variety of flanged pipe ends. Securing means for securing the first portion to the damaged pipe end. Locating means for locating the replacement flange about the second portion, said replacement flange being freely movable thereabout the second portion.Type: GrantFiled: February 24, 1997Date of Patent: October 5, 1999Inventor: David S. Foster
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Patent number: 5930872Abstract: A device is provided for mounting and deploying a shrinkable clamp for hose and tubing. The device includes an annular housing in the form of a partial cylinder having a first diameter and longitudinal opening defined along its length by first and second circumferentially spaced longitudinal side edges. A first extension member projects circumferentially from the first side edge into the longitudinal opening, while a second extension member projects circumferentially from the second side edge into the longitudinal opening and is aligned adjacent to the first extension member to define therewith along with the partial cylinder a circumferential outer surface for the housing. A locking mechanism interacts with the first and second extension members for maintaining the relative positions of the first and second extension members and the size of the first diameter when the housing is subjected to a radially compressive force.Type: GrantFiled: September 22, 1997Date of Patent: August 3, 1999Assignee: The Gates CorporationInventors: David McBride, Richard S. Thornwald
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Patent number: 5924747Abstract: When first and second coupling pieces are tightened in the axial direction thereof by turning a screw member, the second coupling piece is prevented from being turned together with the screw member, thereby enhancing sealing property, cleanliness and workability. A thrust bearing is interposed between a pressing surface of the screw member and the second coupling piece.Type: GrantFiled: December 24, 1997Date of Patent: July 20, 1999Assignee: Sanko Kogyo Co., Ltd.Inventor: Naoya Miyashita
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Patent number: 5921588Abstract: A push-in coupling for pipes contains a sleeve body (2) and a holding means, especially with a clamping body (6), for connecting a pipe end (3, 4) to the sleeve body (2). This push-in coupling permits proper handling with little effort during assembly, and insofar as possible prevents the danger of faulty assembly. A sliding body (50) is disposed within the sleeve body (2), the sliding body (50) being made independently of the holding means. The sliding body (50) contains a striker (52) which upon insertion of the pipe end (3, 4) is pushed over an edge (60), and upon reaching a given depth of insertion of the pipe end (3, 4) strikes against a surface (62) producing a detectable signal such as an acoustical signal and/or a vibration signal.Type: GrantFiled: June 27, 1997Date of Patent: July 13, 1999Assignee: Friatec AktiengesellschaftInventors: Rolf Vogel, Wolfgang Sichler, Reinhold Scholl