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7625017 |
Coupling with alignment bolt holes and method of aligning a coupling
A coupling having two or more mating components with alignment of the mating components provided by mating projections and recesses. The components include extensions having bolt hole that align to...
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7578530 |
Coupling device
A coupling device includes a first tension loop connected to a second tension loop. The first and second tension loops are moveable with respect to one another to establish open and closed...
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7540540 |
Pipe coupling
A pipe coupling inc1udes a pair of half members which have a half-ring shape on the x-y plane and a thickness along the z axis, wherein the half member includes a first end on which a...
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7425023 |
Profiled clamp
A profiled clamp with at least one profiled segment which extend successively in the circumferential direction of the clamp and are clamped by means of at least one clamping device. The profiled...
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7384077 |
Coupling apparatus
An apparatus configured to a downhole tubular to a pump. The apparatus comprises: a body portion having a bore; a locking assembly comprising at least one locking member pivotally mounted to the...
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7104572 |
Tapping sleeve with mechanical joint connection
Plural spaced projections attached to the outer surface of a branch pipe of a tapping sleeve positioned on a main water line are disposed in contact with a rubber gasket also positioned on and...
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6971413 |
Apparatus for repairing an underwater pipe
A pipe clamp 10 for repairing an underwater pipe. The pipe clamp 10 comprises a plurality of part-cylindrical portions 12,14,16 hinged together along a hinge axis or axes 27 along adjacent...
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6536811 |
Pipe coupling with assembly tool
A pipe coupling includes mating hub sections engaged by outer split clamp elements that are compressed together against mating tapered surfaces of the hub sections to draw the hub sections together...
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6533333 |
Hinged mechanical couplings with interfitting ends
Hinged mechanical couplings with interfitting ends include at least a pair of coupling segments each having: an elongated arcuate body with first and second opposing ends; a generally concave...
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6523866 |
Constant tension clamping device for flanged connections
A clamp device that is used to maintain a consistent clamping pressure on a flanged connection despite changes in temperature and changes in internal pressure behind the flanged connection. The...
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6508492 |
Swiveling hose coupling
A swiveling hose coupling comprising first and second nipples and a cylindrical shell. The cylindrical shell includes a swivel shell, and first and second retaining rings. The swivel shell is set...
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6499774 |
Radial wedge flange clamp
A radial wedge flange clamp comprising a pair of flanges each comprising a plurality of peripheral flat wedge facets having flat wedge surfaces and opposed and mating flat surfaces attached to or...
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6499773 |
Articulated clamp connector
An articulated clamp connector is for interconnecting pipes, cables, etc. preferably underwater, where interconnecting ends of pipes are provided with connecting flanges with outer conical surfaces...
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6367843 |
Remote operable fastener and method of use
At least one fastener and its method of use to securely fasten joints, preferably in pressure vessels, pipes, and other structures, intended to isolate internal volumes from the external...
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6367849 |
Joint for corrugated pipe
A joint (and method) connects synthetic resin corrugated pipes, each of the corrugated pipes including a pipe wall having sectionally rectangular wall portions and sectionally circular wall...
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6264251 |
Segmented flange coupler for grooved pipe
A segmented flange coupler is disclosed for connecting the free end of a grooved pipe to a fitting having a flange connector. The segmented flange coupler is formed of end-to-end connected...
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6030006 |
Spring biased clamping device for flanged connections
A clamp device for joining a flanged connection. The clamp device has a plurality of arcuate segments, wherein each of the arcuate segments has two ends. A pivot couples at least one end of each...
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5967564 |
Tight coupling between two equipments such as pipes
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...
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5951066 |
Connecting system for wellhead components
A system for connecting wellhead components that are abutted in axial alignment in which each component has an increased external diameter circumferential hub portion at an end thereof, the system...
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5908210 |
Automated flange retaining clamp with redundant fasteners
The present invention relates to an apparatus for securely fastening joints in pressure vessels, pipes, and other structures intended to isolate internal volumes from the external environment. It...
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5873611 |
Pipe clamping device
A clamping device is disclosed for coupling peripheral flanges of a pair of tubular members together. The clamping device has a retaining member for coupling the peripheral flanges of the tubular...
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5868442 |
Pipe joint fixing ring
The subject invention relates to a type of pipe joints fixing ring, comprising two master fixing blocks, an adjusting bolt connecting the two master fixing blocks, several slave fixing blocks,...
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5842526 |
Sprinkler head mounting system
A combination duct/extinguishing system includes a duct and plural sprinkler head assembly and mounting systems on the duct. Each sprinkler head assembly and mounting system includes port structure...
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5707089 |
Device for pressing two flanges of a pipe connection against one another
The device contains a tension chain with link plates (10) and thrust pieces (7) which are joined to one another via joints (9). Each thrust piece (7) has two flanks (5, 6) for abutting flanges (1,...
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5653481 |
Pipe clamp with live loading nut assembly
A clamp with a live loading clamp nut assembly is provided for pipe joints and the like. The nut assembly includes a body member movable within a cage. A plurality of springs, such as spring...
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5645303 |
Compact pipe coupling device
A pipe coupling device for coupling the peripheral flanges of a pair of pipes together, including a pair of retainers with gripping grooves therein for receiving portions of the peripheral flanges...
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5522625 |
Coupling device
A coupling device is provided for coupling peripheral flanges of first and second pipes. The device comprises first and second arcuate retaining members, coupling structure and a latching...
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5513228 |
Clamp for two tubular components, having a safety blocking device, and use of such clamp
The clamping and locking device (18) of the clamp includes a screw (22) arranged in a direction which is transverse with respect to the articulated elements of the clamp and engaged through two...
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5509702 |
Low distortion pipe coupling device
A pipe coupling device for coupling the peripheral flanges of a pair of pipes together, including a pair of retainers with a V-shaped groove therein for receiving portions of the peripheral flanges...
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5499849 |
Device for forcing two conical flanges of a pipe coupling together under pressure
A device for forcing two conical flanges (1, 2) of a pipe coupling together under pressure with a seal (3, 4) between them, comprises a clamping chain with several straps (23) joined together by...
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5301986 |
Clamp
A clamp for joining a pair of elements having generally circular flanges, the clamp including an inner flange engaging portion arranged to provide generally axially extending forces to said flanges...
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5282654 |
Pipe coupling sleeve
A narrow, thin, metal strip is arranged around the periphery of the end portion of at least one of two pipes arranged in axial alignment for forming a coupled joint. The adjacent pipe end portions...
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5277458 |
Chains for pipe flange connections having an electric tightener
A chain intended for pipe flange connections comprising successive, cross-sectionally U-shaped chain links 8, which are hinged directly to each other and form a ring sector-like contact area 14,...
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5118139 |
Leak repair clamp
A leak repair clamp for pipe and pipe flanges providing a segmented frame adapted to receive interchangeable annular segmented inserts. All of the inserts provide for interlocking connection with...
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5018548 |
Segmented coupling for pipes
A segmented pipe coupling provides a housing for a butterfly valve, and preferably is provided with oppositely angled end faces of saw tooth configuration at the respective ends of the coupling...
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4924913 |
Tube coupling system
A tube coupling system for joining a plurality of metal tubes that are used in air flow systems which includes at least two tubular members each having at least one curled end. A clamping member is...
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4919453 |
Low profile V-coupling
A device for coupling the peripheral flanges of a pair of pipes comprising a pair of retaining members, each having a V-shaped groove for receiving a portion of the peripheral flanges of the pipes....
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4915418 |
Hinged pipe coupling
A circular pipe coupling for coupling aligned pipe ends is formed of arcuate segments arranged end to end. Each segment has outwardly extending lugs formed on its opposite ends, with the lugs on...
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4885122 |
Instrumentation port clamps
Clamps and clamping systems for sealing the interface between two generally tubular conduits are disclosed. The clamps of the present invention are especially well adapted for use in nuclear...
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4812285 |
Instrumentation port clamps and clamping systems
Clamps and clamping systems for sealing the interface between two generally tubular conduits are disclosed. The clamps of the present invention are especially well adapted for use in nuclear...
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4784202 |
Wheel rim fastener
A band-type well obstructor for obstructing the well of the hub of a wheel rim, particularly for a pneumatic tire. The well obstructor has an inextensible band with integral circular protrustions...
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4781406 |
Clamping apparatus for joining two flanges
A clamping apparatus for joining two flanges by means of clamping members circumferentially spaced around the flanges and radially forced inwardly to engage and compress the two flanges in a...
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4739542 |
Safety coupling clamp
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...
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4722561 |
Segmented Vee clamp
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...
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4681353 |
V-coupling for installation in narrow annular spaces
A V-coupling device for coupling coaxial annular flanges comprising at least two arcuate coupling members, a pivoting mechanism for pivotally and releasably coupling the coupling members at their...
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4679622 |
Take-apart fitting for multi-tube heat exchanger
A multitube heat exchanger is provided with a take-apart fitting. The fitting is coupled to one end of the exchanger product tube. A cap ring is secured to the inner tube of the exchanger. An end...
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4640530 |
Tight connection device
The device makes it possible to connect tightly first and second parts having a flange and locking or tightening means for the said flanges. The tightening or locking force applied to the locking...
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4639020 |
Self-adjusting pipe clamp and coupling
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...
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4601334 |
Control line protector for oil well tubing string
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...
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4568115 |
Multi-piece pipe clamp
An improved multi-piece pipe clamp particularly useful for clamping the ends of two flanged sanitary pipes together in longitudinal alignment. When in the closed position the clamp engages the...
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