Tangential Screw Patents (Class 24/279)
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Patent number: 4828300Abstract: A split retaining ring is disclosed for detachably interconnecting a pair of axially aligned circular rims. The ring has ends and a circular side wall with front and rear flanges protruding radially inwardly therefrom. The ring ends are resiliently separable to accommodate installation and removal of the ring onto and off of the rims, and are resiliently closeable to confine the rims radially within the ring side wall and axially between its flanges. The rear flange has a radially tapered configuraiton with oppositely disposed minimum radial dimensions arranged to minimize the extent of separation required between the ring ends during installation and removal.Type: GrantFiled: October 1, 1987Date of Patent: May 9, 1989Assignee: Olson Manufacturing Co.Inventor: Anthony J. Agbay
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Patent number: 4819307Abstract: A clamp for securing a hose on a pipe end has a band (4) which encircles the hose with one end (6) of the band overlying the other end (7) in sliding engagement, a housing (8) which is fixed to one band end (6), a worm drive (10) within and free to move relative to the housing (8) and which engages a toothed track or like which runs longitudinally along the length of the band (4), and a stack of Belleville washers or like (20) which acts between the housing (8) and the worm drive (10) to urge them apart and so to tighten the band around the hose should the tension fall below the limit set by manual operation of the worm drive at the time of installation.Type: GrantFiled: April 24, 1987Date of Patent: April 11, 1989Inventor: David L. Turner
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Patent number: 4739542Abstract: A circumferentially contractible clamp operated by a bolt and nut actuator wherein a U-shaped safety saddle pivotally mounted upon one end of the clamp band includes a threaded bore receiving a threaded stem of the nut threaded upon the bolt. The inner end of the stem is operatively associated with the band other end wherein rotation of the nut tensions the bolt and the interconnection of the nut stem and the saddle supports the nut such that the stem will maintain the band in a contracted condition even if the bolt fails.Type: GrantFiled: February 9, 1987Date of Patent: April 26, 1988Assignee: Aeroquip CorporationInventor: Richard M. Krzesicki
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Patent number: 4736921Abstract: A clamp for releasably securing a lock to a bicycle frame is disclosed. The clamp is formed as a unitary body of a hard yet resilient plastic material, which unitary body defines a pair of spaced tubular openings: one to fit about the frame and the other to hold the lock. The pair of tubular openings are axially split at their respective outer peripheries, with an arcuate segment being removed from each tubular opening along the respective splits. A pair of opposed parallel shoulders extend astride each of the splits, with each pair of shoulders featuring fastening means. Preferably, the plastic material is nylon. Preferably, one of the pair of spaced tubular openings is tapered along its axial length.Type: GrantFiled: May 24, 1985Date of Patent: April 12, 1988Assignee: KBL CorporationInventors: Michael S. Zane, Peter L. Zane
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Patent number: 4722561Abstract: A stamped and welded clamp for pipe or tube joints having a plurality of arcuate segments pivotally attached to each other and separable at one location so as to facilitate wrapping about the joint. Each segment forms a Vee shaped recess on its inside face and each is formed from similar pieces projection welded together and having top and lateral reinforcing flanges. A special T-bolt serves to secure and tighten the assembly and employ a T-shaped bolt and which fits slidably into a mating housing having a stepped end-face to serve to restrain the bolt from turning during tightening.Type: GrantFiled: July 29, 1987Date of Patent: February 2, 1988Assignee: 3900 CorpInventors: John E. Heckethorn, Danny J. Whittle
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Patent number: 4714229Abstract: Anti-vibratory support device for a pipe whose thickness is small relative to its diameter, comprising a collar (2) formed by at least two rigid annular sectors (2a, 2b, 2c) which are articulated at at least one of their ends to the succeeding sector, to pivot about an axis parallel to the axis of the pipe (1). At least two successive sectors (2b, 2c) are interconnected by an elastic junction means (10, 11, 12) which enables the collar (2) to be closed. Parallelepipedic pads (18) made from knitted stainless steel wire disposed in cases (15) are interposed and put under compression between the collar (2) and the pipe (1). The invention is in particular applicable to pipes conveying liquid sodium of the secondary circuit of fast neutron nuclear reactors.Type: GrantFiled: April 26, 1985Date of Patent: December 22, 1987Assignee: NovatomeInventors: Christian Force, Alain Lescure
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Patent number: 4705078Abstract: A clamp for repairing a pipe. The clamp includes a flexible metal band having adjacent one of its ends a plurality of lengthwise spaced apart holes. The flexible metal band is held about the pipe by a pair of lugs, including a first lug fixed to the end of the metal band opposite the end with the holes. A second lug is positionable adjacent the end of the metal band with the holes. A bolt is provided for passing through a selected one of the holes to join and draw together the lugs. A tab is provided between the first lug and the metal band to urge the metal band into clamping engagement with the second lug. An elastomeric gasket sheet is attached to the metal band at its central portion and includes two free ends. The gasket sheet is long enough to encircle the pipe with one of its free ends overlapping the other. The overlapping free end includes a metal strip which underlies the lugs.Type: GrantFiled: September 20, 1985Date of Patent: November 10, 1987Inventor: Ronald S. Montgomery
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Patent number: 4686747Abstract: A worm drive clip comprises a housing having a driving worm screw inserted therein, with the housing comprising an upper part and a bottom part for enclosing the worm screw and a flexible band with transverse ribs and transverse openings inserted in the housing. The band has transverse ribs and transverse openings equally spaced along its full length. The bottom part of the housing has means engageable with at least one transverse rib and/or at least one transverse opening of the band at one end of the band. The worm screw is engageable with the transverse ribs and the transverse openings at the other end of the band.Type: GrantFiled: June 18, 1986Date of Patent: August 18, 1987Inventor: Samuel Bakdahl
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Patent number: 4678147Abstract: A line (such as a pipeline) of smaller diameter is mounted on a line of larger diameter with a clamp comprising a saddle for positioning on the larger line, a channel formed in the outer face of the saddle for receiving the smaller line, a closure member mountable on the saddle to close the channel around the smaller line, a strap for passing around the larger line, and at least two tensioning devices for tensioning the respective ends of the strap to the sides of the closure member. The clamp is particularly useful for connecting subsea pipelines.Type: GrantFiled: August 15, 1985Date of Patent: July 7, 1987Assignee: Conoco Inc.Inventors: John R. Barnes, John E. Diamond, Graham J. Griffin
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Patent number: 4677712Abstract: A hose clamp which includes a metallic tightening strap and a tightener that has a housing to which the final portion of the tightening strap is adapted to be fastened as well as a rotatably mounted tightening worm cooperable with a gear tooth system of the tightening strap so as to enable an adjustment of the tightening strap. The final portion of the tightening strap is provided with a bent portion adapted to be inserted into a transverse slit provided in the bottom portion of the housing, with the transverse slit extending substantially at a right angle to the tightening strap. The bent part includes a cross bar which is adapted to be pressed onto a longitudinal wall of the transverse slit by a tension applied to the tightening strap when the tightening strap is tightened.Type: GrantFiled: September 18, 1985Date of Patent: July 7, 1987Assignee: Kurt Allert GmbH & Co. KGInventor: Kurt Allert
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Patent number: 4675949Abstract: A clamp for a hose comprising a drum which is confined for rotation within a clip. The axis of rotation of the drum is aligned with the longitudinal axis of the hose. Bands, which are connected to the clip and encircle the hose, are attached to the drum. A bolt or screw head axially accessible at an end of the drum is rotated by a tool to wind the bands onto the drum and tighten them against the hose. The clip includes latch members that engage gears on the drum to maintain tension on the bands and prevent unwanted backwinding.Type: GrantFiled: April 7, 1986Date of Patent: June 30, 1987Inventor: Tony R. DaCosta
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Patent number: 4667375Abstract: A hose clip includes an annularly formed outer tension band of substantially stiff material having ends which are connected to a tensioning device for regulating the girth of the clip, and also include an inner band of a spring material mounted inside the tension band, the inner band being formed with at least two inwardly directed beads, which are spring-biased radially and which are ridge-like and extend substantially annularly along the inside of the tension band whereby, on tightening about an elastic hose, the hose clip axially compresses the hose between the beads simultaneously as the beads compress the hose radially.Type: GrantFiled: August 21, 1985Date of Patent: May 26, 1987Assignee: ABA Invest ABInventor: Birger S. I. Enlund
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Patent number: 4660862Abstract: A pipe coupling for improved pull-apart strength of pipe lap joints is disclosed. A clamping band is applied to the outside pipe around the overlap region of the pipes. An attachment is applied around the inside pipe and the two bands are connected together by a linkage extending alongside the pipes. Preferably, a sealing structure is provided on the outer pipe in the overlap region such that sealing engagement between the outside and inside pipes is obtained when the clamping band is tightened. When the pipes are subjected to pull-apart forces, the linkage resists slippage or pull-apart motion. If there is slippage, more will occur on the side opposite the linkage and an oblique relationship of the pipes results. This produces a binding action between the pipes with increased frictional resistance to the pull-apart forces.Type: GrantFiled: April 2, 1985Date of Patent: April 28, 1987Assignee: BKS CompanyInventors: Thomas R. Cassel, Scott T. Cassel
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Patent number: 4657284Abstract: The clamp comprises two members articulated about a common pin. These members form on one side of the pin two half-clamps having profiles complimentary to that of the frustum-shaped nipples fixed to the pipes to be coupled together. On the opposite side, the members form two gripping levers between which is placed a compression spring for closing the clamp. By acting on the levers with the aid of a gripping tool, the clamp is opened and it can then be fitted to the nipples. The tightening of the clamp is controlled by a rocking bolt.Type: GrantFiled: March 5, 1986Date of Patent: April 14, 1987Assignee: Commissariat a l'Energie AtomiqueInventor: Robert Fiori
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Patent number: 4640536Abstract: A clamp assembly for clamping unslotted overlapping ends of metal tubes in an exhaust system. The clamp assembly includes a metal ring having a generally circular cross section and the ends of the ring are in overlapping contacting relation. One leg of a generally U-shaped bracket is secured to each overlapping end, while the other leg of the bracket engages the outer surface of the other end of the ring to urge the overlapping ends of the ring into contacting relation. A bolt extends through the aligned openings in the brackets, and the axis of the bolt is in a plane passing through the line of contact between the overlapping ends. The head of the bolt bears against the side edge of one bracket while a nut threaded on the opposite end of the bolt bears against the side edge of the other bracket. By threading down the bolt, the ring is contracted in diameter to provide a low cost, strong, 360.degree. closure for clamping the tubes.Type: GrantFiled: February 27, 1986Date of Patent: February 3, 1987Assignee: Nelson Industries, Inc.Inventors: Frederick H. Printiss, Sr., Irvy T. Barker
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Patent number: 4639020Abstract: A segmented coupling for use in sealing adjacent pipe ends includes coupling segments having bolting pads at their ends, the ends of the coupling segments including inclined end faces for cooperation with correspondingly inclined end faces of an adjacent coupling segment to produce self-adjustment of the coupling and rigid clamping of the pipe ends upon tightening down of the coupling.Type: GrantFiled: June 5, 1986Date of Patent: January 27, 1987Assignee: Victaulic Company of AmericaInventors: Robert Rung, Lani G. Ache
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Patent number: 4638531Abstract: An improved hose clamp of the kind comprising a tightening band which is bent to annular shape and which has end portions one of which is provided with transverse grooves. In the latter engage the threads of a screw worm which is rotatably journalled in a sleeve enclosing the screw worm but axially non-slidable therein. Said sleeve is formed with a space allowing the threaded band end portion to be moved out of the sleeve upon rotation therein of the screw worm. The opposite band end portion which is attached to the sleeve is elastic in its lengthwise direction and encloses a pressure strap which is bent to annular shape with its end portions overlapping. This pressure strap is arranged to form a guide means to the screw worm sleeve and to the tightening band between said sleeve and said band and an enclosed article. The tightening band describes an arcuate line in the plane of the external face of the pressure strap along the major portion of the circumference of the latter.Type: GrantFiled: September 20, 1985Date of Patent: January 27, 1987Assignee: Allmanna Brandreskapsaffaren ABInventor: Sven Ribrant
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Patent number: 4630647Abstract: A clamp which comprises a metal band adapted to be wrapped around a pipe over a suitable gasket. The longitudinal edges of the band are secured to lug bars, one having fingers secured to it and the other having threaded bolts secured to it. The free ends of the bolts are each provided with a nut and washer soldered together to form a nut/washer combination. Each finger is generally U-shaped including a base portion and two leg portions. The bottom edges of the legs adjacent their free ends are welded to a lug bar. The legs converge over a part of their length from a first spacing in the region of the base portion sufficient to accommodate a nut/washer to a second spacing in the region of the lug bar sufficient to accommodate a bolt but not a nut/washer. The top edges of the converging parts of the legs slope outwardly with respect to the bottom edges. The legs have flat ends to accommodate a nut/washer and tabs adjacent the top edges restrain the nut/washer against outward movement while the nut is tightened.Type: GrantFiled: November 27, 1985Date of Patent: December 23, 1986Assignee: Waltec Inc.Inventor: David G. Thomson
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Patent number: 4623204Abstract: A customer-ready universal ground clamp is provided for accommodating either grounding electrodes or ground wires of various sizes or diameters. The clamp includes a strap sub-assembly designed to provide full surface inter-engagement with the electrode as well as effective edge contact therewith. It also includes a single bolt sub-assembly having a contoured fixed platen that assures intimate engagement between the strap sub-assembly and the grounding electrode while at the same time avoiding any marring or gouging of the soft copper strap. The new and improved clamp can be installed without the need for special tools.Type: GrantFiled: May 24, 1985Date of Patent: November 18, 1986Inventor: William T. Auclair
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Patent number: 4623164Abstract: A band clamp is disclosed for clamping a stabilizer bar to a cross-beam rear axle in a front wheel drive vehicle. A preformed band has a sleeve portion which conforms to the inverted V-shape axle and it has a channel portion with opposed sidewalls extending from contiguous sides of the clamp at one corner. A spline is disposed between the sidewalls and has a concave surface opposite a shaped washer on the outside of one of the sidewalls. A bolt extends through the sidewalls, the spline and the shaped washer and a nut on the bolt is tightened to draw the sidewalls into engagement with the spline to stretch the sleeve portion around the axle.Type: GrantFiled: December 11, 1984Date of Patent: November 18, 1986Assignee: BKS CompanyInventors: Thomas R. Cassel, Scott T. Cassel
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Patent number: 4611839Abstract: A segmented coupling for use in sealing adjacent pipe ends includes coupling segments having bolting pads at their ends, the ends of the coupling segments including inclined end faces for cooperation with correspondingly inclined end faces of an adjacent coupling segment to produce self-adjustment of the coupling and rigid clamping of the pipe ends upon tightening down of the coupling.Type: GrantFiled: July 12, 1983Date of Patent: September 16, 1986Assignee: Victaulic Company of AmericaInventors: Robert Rung, Lani G. Ache
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Patent number: 4601334Abstract: A control line protector for securing and protecting a control line or lines to the exterior of an oil well tubing string. The protector comprises a flexible steel strap to the ends of which a respective trunnion is attached, one of which trunnions is removably mounted. The trunnions are interconnected by two screws which may be rotated to draw the trunnions towards one another, thus tensioning the strap around a length of tubing forming part of a drill string. An axially-directed channel is formed adjacent one of the trunnions to receive a control line.Type: GrantFiled: April 9, 1984Date of Patent: July 22, 1986Assignee: Weatherford/Lamb, Inc.Inventor: Peter J. Lovegrove
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Patent number: 4592576Abstract: A wire hose clamp has barbs extending from at least one of the encircling wires forming a part of the hose clamp. The barbs extend in the direction of rotation in which the clamp is urged by the application of a tool to tighten the clamp, and may be inclined to the plane containing the axis of the wire.Type: GrantFiled: December 12, 1983Date of Patent: June 3, 1986Assignee: Murray CorporationInventors: Robert H. Proctor, Theodore R. Anjos
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Patent number: 4563795Abstract: The invention pertains to a conduit clamp utilizing a band circumferentially contractable by a screw substantially parallel to the axis of the conduit being clamped. The clamp components are formed of castings and heavy duty construction techniques whereby high circumferential forces can be produced without damage to the clamp.Type: GrantFiled: October 19, 1984Date of Patent: January 14, 1986Assignee: Aeroquip CorporationInventor: Paul J. E. Fournier
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Patent number: 4558891Abstract: The specification discloses an improved clamp (20) for securing overlapping telescoped ends of adjacent tubes in an exhaust system, or the like, to form a substantially leakproof joint. The clamp (20) includes a circular band (26) and a bolt (32) having a curved end (34) secured thereto over a predetermined circumferential distance adjacent one end of the band, and a straight threaded end extending through an extension (40) secured adjacent to the opposite end of the band. A nut (44) is provided on the straight bolt end (38) for tightening against the extension (40) to draw the ends (28 and 30) of the band (26) together in near abutting relationship to engage the lap joint over a substantially continuous circumferential area in a second embodiment (60). The extension (62) can bridge the gap to serve as a guide for the other end of the band, or it can be an integral portion (72 and 74) of the band in a third embodiment (70).Type: GrantFiled: July 14, 1983Date of Patent: December 17, 1985Assignee: Donaldson Company, Inc.Inventors: Wayne M. Wagner, Steven D. Schmeichel, Timothy A. Bethke
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Patent number: 4528730Abstract: The disclosure relates to a hose clamp comprising a band, a housing having a pair of juxtaposed legs having tabs engaged in load transfer relationship in an aperture in one end of said clamp band, and a screw journaled in said housing engageable with the other end of said band. A relieved area is provided between the legs of the clamp housing which permits the legs to rotate relative to one another about a point intermediate the width thereof to minimize spreading of the tabs and thereby to preclude rupture of the band at the aperture therein.Type: GrantFiled: November 4, 1983Date of Patent: July 16, 1985Assignee: Wittek Industries, Inc.Inventor: George E. Spaulding
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Patent number: 4521940Abstract: A hose clamp with a clamping band having two ends which are drawn together by a screw-type mechanism that includes a first band-tightening member secured near one band end, a second band-tightening member secured near the other band end, and a screw member for drawing together the first and second members; one of these band-tightening members is thereby securely held in place by an end portion of the clamping band externally bent back upon itself and secured to the underlying band portion while the other member is retained by a separate band part which is also externally bent back upon itself with the outer bent-back end portion secured to the underlying band portion of the separate part while the latter is secured to the clamping band itself; to assure a stepless internal configuration of the clamping surfaces of the clamping band, the inner end of the clamping band terminates in a tongue-like extension adapted to engage in a groove-like indentation provided near the other end of the clamping band.Type: GrantFiled: February 23, 1982Date of Patent: June 11, 1985Inventor: Hans Oetiker
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Patent number: 4516296Abstract: A two-piece clamp for securing elongate cylindrical members, such as pipe, tubing, conduit or hose, to a channel. The two-piece clamp has two clamp halves fabricated with an aperture at one end. A stud is non-rotatably secured in the aperture of one of the clamp halves and is adapted to be detachably secured in the aperture of the other clamp half. A spacer may be integrally formed on the stud for permitting the clamp halves to be squarely clamped together. The method and machine for securing the stud to a clamp half features an automated assembly system for forming one end of the stud after assembling the clamp half thereon to securely lock the stud onto the clamp half.Type: GrantFiled: October 5, 1983Date of Patent: May 14, 1985Assignee: ZSI, Inc.Inventor: Clarence A. Sherman
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Patent number: 4513801Abstract: A gripping device for motor vehicle tires is provided and consists of a band of flexible material that has a plurality of ground gripping outward deformations and a worm-gear hose clamp type drive assembly for securing the band in place across the tread of the tire.Type: GrantFiled: March 9, 1984Date of Patent: April 30, 1985Inventors: Joseph F. Pedrick, George Spector
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Patent number: 4502189Abstract: A coupling for pipe or the like made up of a plurality of spaced generally hollow cylindrical bodies made of sheet material and each having their adjacent ends bent back on themselves forming a pocket along each edge, an outrigger bar extends through the pocket on one edge of each of the bodies and a short bar extends through the pocket on the outer edge of each body. The short bars are connected to the outrigger by means of bolts and a flexible liner is supported inside each of the bodies forming a gasket for surrounding a pipe extending through the bodies. In the second embodiment a basic difference is that the couplings are made up of clamps or outrigger clamps at two halves rather than in a single band.Type: GrantFiled: June 21, 1982Date of Patent: March 5, 1985Assignee: Morris Coupling CompanyInventors: James Sieberkrob, Leo Campbell
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Patent number: 4492005Abstract: The present invention provides a conduit clamp comprising means for securing a conduit such as a hose to another structure, a pair of jaws arranged to be clamped around a conduit, means on one side of a first jaw arranged to engage pivotally with complementary means on the corresponding side of a second jaw, means for closing the jaws into clamping engagement with a conduit which closing means comprises an open sided recess in one jaw, a locking pin mounted in an aperture in the other jaw and a lever pivotally attached to the locking pin, the arrangement being such that when the lever is moved to a first position the locking pin is released from and then pivoted away from the recess and when the lever is moved to a second position the locking pin is moved into the recess and then locked thereinto.The clamp of the present invention is particularly envisaged for sub-sea operation such as in oil drilling but it can be used for mining and industrial applications which are not underwater.Type: GrantFiled: November 16, 1982Date of Patent: January 8, 1985Inventors: Maxwell G. Begley, Keith Munslow-Davies
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Patent number: 4490888Abstract: The clamping-band is equipped with a split inner ring with an eccentric bore. A rigid inner half-collar partially surrounds the inner ring by means of runners forming with the ring a ball and socket device, and terminated on one side by one securing tab. A rigid outer half-collar partially covers the inner half-collar and terminates on one side in a second securing tab. The two securing tabs are equipped with oblong holes which are facing for the purposes of securing and clamping the collar.Type: GrantFiled: March 25, 1983Date of Patent: January 1, 1985Assignee: S.N.E.C.M.A.Inventor: Jean M. Levant
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Patent number: 4489464Abstract: The invention refers to hose clamps of the U-profiled kind and consisting of steel wire. The hose clamp is double U-profiled and presents both ends U-profiled in order to engage a tension auxiliary spiral spring.Type: GrantFiled: July 7, 1982Date of Patent: December 25, 1984Inventors: Renzo Massari, Sergio Massari
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Patent number: 4485530Abstract: The present invention provides a conduit clamp comprising a pair of jaws, said jaws comprising respective, opposed recesses arranged to abut against sides of a conduit, said jaws comprising means for pivotally connecting them together at one end, one of said jaws comprising an aperture, and the other of said jaws comprising a twist lock means, such that, to close the jaws and clamp a conduit, the twist lock means is inserted in the aperture and partially rotated, means also being provided for securely attaching the clamp to a stable structure.The clamp of the present invention is particularly useful for clamping relatively small diameter conduits such as electrical conduits and hose lines to a permanent structure. It is particularly envisaged for use underwater but can be used for mining and industrial applications which are not underwater.Type: GrantFiled: November 16, 1982Date of Patent: December 4, 1984Assignee: Kelvin E. Lord & Co.Inventors: Maxwell G. Begley, Keith Munslow-Davies
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Patent number: 4478434Abstract: A device for coupling adjacent ends of tubular members such as flexible tubular members comprising an elongated open ended tube member having an outside diameter that is approximately the same as the inside diameter of the tubular members to be coupled, a slit formed extending the length of the tube member forming adjacent slit edge surfaces oriented at an angle relative to the radius to the tube member thereat, a pair of aligned strap-like members having opposite ends connected respectively to the tube member on opposite sides of the slit and adjacent ends, cooperatively engagable threaded members connecting the adjacent ends of the strap-like members and adjustable in one direction to move the slit edge surfaces circumferentially relative to each other in one direction and in an opposite direction to move the slit edge surfaces circumferentially in an opposite direction relative to each other, and another threaded member operatively connected to one of the strap-like members on one side of the slit and adjuType: GrantFiled: October 14, 1982Date of Patent: October 23, 1984Inventor: Gerald R. Little
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Patent number: 4468842Abstract: A lockable band clamp, such as clamping together the rims of a housing and a base of an equipment housing, has a flexible band with Vee-shaped portions for positioning around the rims, the rims positioned in the Vee-shaped portions. The ends of the band have end members through which passes a bolt, a tubular member threading on to the bolt. Relative rotation between bolt and tubular member acts to pull the end members together and tighten the band about the rims. The end members have projections which overlap. A locking member which, in a locked position, engages at one end over a rod through the tubular member and at the other end aligns with holes in the projections whereby a padlock can pass through the holes and a formation on the locking member, preventing relative rotation between bolt and tubular member.Type: GrantFiled: November 18, 1982Date of Patent: September 4, 1984Assignee: Northern Telecom LimitedInventors: Kenneth R. Perry, Alexander F. Campbell
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Patent number: 4464814Abstract: This invention relates to clamps of the type utilized on aircraft and aircraft power plants that anchor the various tubes associated therewith and are characterized by including a bulbous section in a standardized clamp that serves to relieve the high stresses that otherwise cause breakage and looseness.Type: GrantFiled: October 28, 1981Date of Patent: August 14, 1984Assignee: United Technologies CorporationInventor: Clement A. Senatro
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Patent number: 4445255Abstract: A hose clamp for supporting a vertically extending control line or hose from a position above water to subsea equipment below the water from a vertically extending vertical support such as a wire cable. The clamp includes a circular body with semi-circular halves pivotally connected at one side and having coacting locking means at their second sides for encircling the control line. The interior of the body includes a plurality of projections, preferably a plurality of vertically spaced circular rows of arcuate projections. The hose includes matching and coacting recesses on the exterior of the hose for mating with the projections on the body when the clamp is locked on the hose. Preferably, the recesses are formed by placing a heated clamp mold around the control line having heated projections similar to the projections on the body which will form the recesses by melting the exterior of the lines.Type: GrantFiled: May 19, 1982Date of Patent: May 1, 1984Assignee: Koomey, Inc.Inventor: Ingo W. V. Olejak
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Patent number: 4445254Abstract: Hose band clip with a tightening strap and a turnbuckle which is secured to one end of the tightening strap and to which a turnbuckle worm, that cooperates with gearing of the tightening strap in order to adjust the strap, is pivoted. Narrow openings are formed in longitudinal sidewalls of the housing of the turnbuckle which, when the tightening strap is tightened, are deformed by a predetermined large tension force transmitted from the worm to the housing of the turnbuckle to provide an optical indication that the tension force should not be increased any further.Type: GrantFiled: July 30, 1982Date of Patent: May 1, 1984Inventor: Kurt Allert
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Patent number: 4429847Abstract: Pipe clamp comprises two substantially semicircular rim halves biased toward each other by spring assemblies. Adjustable stop means limit separation of the rim halves when the pipe expands.Type: GrantFiled: June 2, 1982Date of Patent: February 7, 1984Assignee: The United States of America as represented by the United States Department of EnergyInventors: Henry Jablonski, Jeffrey D. Roughgarden
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Patent number: 4428104Abstract: A ground clamp for making an electrical connection between a wire and a metal pipe. A metal saddle having a central plate, opposed down turned sides defining a pipe engaging channel, and opposed up turned ends with openings for receiving a wire, with the ends having fingers projecting toward each other defining a band space between the fingers and the plate, with a ground wire passing through the band space and the openings and with a pipe band passing through the space between the fingers and the wire, with means for drawing the ends of the band together to clamp the wire in the saddle and clamp the wire and saddle onto the pipe.Type: GrantFiled: March 9, 1982Date of Patent: January 31, 1984Assignee: Communications Technology CorporationInventor: Donald J. Smith
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Patent number: 4413388Abstract: A pipe clamp is comprised of opposed lugs having base portions. The base portions have axially extending recesses and an axially extending slot of lesser radial dimension than the radial dimension of the recess extends from the inner edges of the bases to the recess to form jaws in each base. The free ends of a flexible band are tightly folded back to form enlarged end portions on the ends of the band, the enlarged end portion and adjacent portion of the band being insertable axially into the recess and slot respectively.Type: GrantFiled: May 4, 1981Date of Patent: November 8, 1983Assignee: Rockwell International CorporationInventors: Fuad Akhtar-Khavari, Bernard J. Lobin
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Patent number: 4409708Abstract: A pipe clamp for use in encircling a pipe or main as either a pipe repair clamp or a service side outlet clamp. The pipe clamp comprises a flexible metal band made of sheet metal or the like having a gasket liner which seals with a section of the exterior of the pipe, the band being split and made of at least one section and having at least a pair of lugs attached to each of its opposed end portions. Bolts are used to draw the lugs together and cause the band to tightly encircle the pipe. An improved retention of the band ends in the lugs is provided, the lugs being of the type having ductile jaws initially cast in an open position, one of the jaws having a projection thereon and the other jaw having a recess for cooperating with the projection when the jaws are closed on the band end.Type: GrantFiled: June 12, 1981Date of Patent: October 18, 1983Assignee: Mueller Co.Inventor: William L. Hauffe
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Patent number: 4407050Abstract: A clamp consists of a clamp bolt cooperating with an arcuate saddle which together encircle an article to be clamped, the clamp bolt constituting tightening means for tightening the clamp on the article. The saddle terminates in two tubular portions which receive the bolt and provide respective bearing surfaces for the head and the clamping nut, or the two clamping nuts, depending on the nature of the bolt. The saddle is formed by stamping from a rectangular blank of thin flat sheet metal, the blank being formed into a hollow tube with the longer edges in contact with one another and bent to the necessary arcuate shape, the joint between the longer edges being disposed in the radially inner concave face so that it contacts the article to be clamped.Type: GrantFiled: February 11, 1982Date of Patent: October 4, 1983Inventor: Hermann F. Offterdinger
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Patent number: 4402113Abstract: A flexible clamp for hose, cable and the like in the form of a strip with opposite ends joined to produce a band. A portion of the strip is formed into parallel sections with at least one section having a corrugated shape and with another section having a variable length, non-corrugated, and conforming to the shape of the band, with this section having a plurality of overlapping tongues providing a substantially continuous portion of the band. In use, the corrugated section provides flexibility for the clamp permitting change of clamp circumference with temperature cycling and the like.Type: GrantFiled: December 30, 1981Date of Patent: September 6, 1983Assignee: Communications Technology CorporationInventor: Donald J. Smith
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Patent number: 4381020Abstract: A low profile pipe clamp for use as either a repair clamp or a service clamp with a side outlet. The pipe clamp comprises a flexible band, usually of sheet metal with a gasket material on the interior thereof, the flexible band having a pair of opposed looped ends which receive tubular trunnion loading bars. The trunnion loading bars receive at least a pair of T-bolt assemblies, each assembly including one T-bolt and a nut. The T-bolt assemblies are pre-assembled in one of the trunnion bars having apertures therethrough, this trunnion bar being made of a plurality of coaxial elements whereby the T-bolt may be independently pivoted into position during assembly. The other trunnion bar is provided with slots for receiving the head of the T-bolt and is temporarily held against rotation and axial movement in the loop prior to installation of the clamp.Type: GrantFiled: July 30, 1981Date of Patent: April 26, 1983Assignee: Mueller Co.Inventors: Joseph L. Daghe, William L. Hauffe, Garrett D. Terrill
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Patent number: 4365393Abstract: A low profile pipe clamp for use in encircling a pipe such as a main or the like, the clamp being either a repair clamp or a service clamp with a side outlet. The pipe clamp comprises a flexible band, usually of sheet metal with a gasket material on the interior and having at least a pair of opposed looped ends which receive cylindrical trunnion loading bars. At least one bolt extending through the loading bars is arranged to move the trunnion loading bars toward each other to cause the looped ends of the band to draw the flexible band tightly around the pipe. The relationship of the trunnion loading bars to the bolt extending therethrough is such as to give the clamp a use for a wide range of varying outside diameters of a particular size of pipe.Type: GrantFiled: May 11, 1981Date of Patent: December 28, 1982Assignee: Mueller Co.Inventors: William L. Hauffe, Joseph L. Daghe
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Patent number: 4350063Abstract: A narrow band of a flexible, spring material is formed into a loop and has equally spaced, laterally extending slots threadedly engaged by a worm on a handle extending tangentially of the loop so that rotation of the handle adjusts the size of the loop.Type: GrantFiled: November 17, 1980Date of Patent: September 21, 1982Inventor: Robert L. Koehler
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Patent number: 4341406Abstract: Pipe coupling of the type comprising two end fittings which can be fixed to two parts of the circuit to be connected and an open collar constituted by a plurality of articulated elements, with which are associated tensioning means, said elements cooperating with the end fittings to bring the latter into tightly sealed contact during the utilization of the tensioning means, wherein the collar has at least one C-shaped spring connecting each of the articulated elements and giving the collar a semi-rigid structure, there being a clearance in a direction longitudinal with respect to the spring between the latter and each of the articulated elements in order to prevent the transmission of the tightening forces to the spring.Type: GrantFiled: September 30, 1980Date of Patent: July 27, 1982Assignee: Commissariat a l'Energie AtomiqueInventors: Claude Abbes, Raymond de Villepoix, Christian Rouaud
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Patent number: 4334140Abstract: A high-strength low-bolt pipe clamp of the type having rigid lugs fixed to the ends of a flexible band results from an improved method for connecting the lugs to the band. The lugs are of cast material, while the band is of stainless steel. The connection between each lug and the band end is via a pair of initially open jaws on the lug that define a slot in which the band end is inserted. A plurality of spaced holes through the upper jaw of the lug are in registry with holes through the band end when it is inserted in the slot. The jaws are clamped together and deformed toward the band, and a weld is made in each hole to bind the two jaws together permanently and to securely affix the band to the jaws at the weld points. Preferably the weld fills each hole approximately flush with the surface of the lug.Type: GrantFiled: April 27, 1979Date of Patent: June 8, 1982Assignee: JCM Industries, Inc.Inventor: James C. Morriss, Jr.