Couplings of the quick-acting type

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F16Engineering elements F16LPIPES JOINTS OR FITTINGS FOR PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING MEANS FOR THERMAL INSULATION IN GENERAL

F16L37/00Couplings of the quick-acting type

F16L37/002which can be controlled at a distance F16L37/004using magnets F16L37/006plug-cocks F16L37/008for branching pipes; for joining pipes to walls F16L37/02in which the connection is maintained only by friction of the parts being joined F16L37/025with an inner elastic part pressed against an outer part by reason of its elasticity F16L37/04with an elastic outer part pressing against an inner part by reason of its elasticity F16L37/05tightened by the pressure of a mechanical element F16L37/06tightened by fluid pressure F16L37/08in which the connection between abutting or axially overlapping ends is maintained by locking members F16L37/082using an element which is hinged on one end of the pipe-ends and which is maintained in locked position by a screw tightened against the other pipe-end F16L37/084combined with automatic locking F16L37/0841by means of a transversally slidable locking member surrounding the tube F16L37/0842by means of a ring which is split into a plurality of component parts which are held in place by means of a resilient ring member F16L37/0844by means of a ring pivoting so as to lie against the tube F16L37/0845by means of retaining members associated with the packing member F16L37/0847by means of hooks F16L37/0848rocking freely F16L37/086by means of latching members pushed radially by spring-like elements F16L37/088by means of a split elastic ring F16L37/091by means of a ring provided with teeth or fingers F16L37/0915with a separate member for releasing the coupling F16L37/092by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector F16L37/0925with rings which bite into the wall of the pipe F16L37/096by means of hooks hinged about an axis F16L37/098by means of flexible hooks F16L37/0982with a separate member for releasing the coupling F16L37/0985the flexible hook extending radially inwardly from an outer part and engaging a bead, recess or the like on an inner part F16L37/0987the flexible hook being progressively compressed by axial tensile loads acting on the coupling F16L37/10using a rotary external sleeve or ring on one part F16L37/101in which the coupling is coaxial with the pipe F16L37/103the connection being maintained by the eccentricity of the two parts of the joint F16L37/105the rotating sleeve having on its inner surface several axially spaced and circumferentially discontinuous threads which engage with the threads on the male part which are also spaced axially and circumferentially discontinuous F16L37/107Bayonet-type couplings F16L37/113the male part having lugs on its periphery penetrating into the corresponding slots provided in the female part F16L37/12using hooks, pawls or other movable or insertable locking members F16L37/1205using hooks hinged about an axis placed behind a flange and which act behind the other flange F16L37/121using freely rocking hooks F16L37/1215using hooks provided with a screw-thread adapted to engage and mesh with an appropriate corresponding part F16L37/122using hooks tightened by a wedge section F16L37/1225using a retaining member the extremities of which F16L37/123using a retaining member in the form of a wedge F16L37/1235the connection taking place from inside the pipes F16L37/124using bolts, fixed to a flange, which are able to tilt in slots of another flange, and being maintained there by the tightening of nuts F16L37/127using hooks hinged about an axis F16L37/133using flexible hooks F16L37/138using an axially movable sleeve F16L37/14Joints secured by inserting between mating surfaces an element F16L37/142where the securing element is inserted tangentially F16L37/144the securing element being U-shaped F16L37/146the securing element being a rigid pin, screw or the like F16L37/148the securing element being flexible F16L37/15the element being a wedge F16L37/16Joints tightened by the action of a wedge-shaped hinged hook F16L37/18Joints tightened by eccentrics or rotatable cams F16L37/20Joints tightened by toggle-action levers F16L37/22in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts F16L37/23by means of balls F16L37/24in which the connection is made by inserting one member axially into the other and rotating it to a limited extent F16L37/242in which the rotation takes place between the eccentric parts F16L37/244the coupling being co-axial with the pipe F16L37/2445in which a male cylindrical element is introduced into a female cylindrical element, each element containing several threads axially spaced and circumferentially discontinuous which engage with each other as a result of the rotation of one of the elements F16L37/248Bayonet-type coupling F16L37/252the male part having lugs on its periphery penetrating in the corresponding slots provided in the female part F16L37/256the coupling not being coaxial with the pipe F16L37/26in which the connection is made by transversely moving the parts together, with or without their subsequent rotation F16L37/28with fluid cut-off means F16L37/30with fluid cut-off means in each of two pipe-end fittings F16L37/32at least one of two lift valves being opened automatically when the coupling is applied F16L37/33the lift valves being of the ball type F16L37/34at least one of the lift valves being of the sleeve type F16L37/35at least one of the valves having an axial bore F16L37/36with two lift valves being actuated to initiate the flow through the coupling after the two coupling parts are locked against withdrawal F16L37/367with two gate valves or sliding valves F16L37/373with two taps or cocks F16L37/38with fluid cut-off means in only one of the two pipe-end fittings F16L37/40with a lift valve being opened automatically when the coupling is applied F16L37/407the lift valve being of the ball type F16L37/413the lift valve being of the sleeve type F16L37/42the valve having an axial bore communicating with lateral apertures F16L37/44with one lift valve being actuated to initiate the flow through the coupling after the two coupling parts are locked against withdrawal F16L37/46with a gate valve or sliding valve F16L37/47with a tap or cock F16L37/48for fastening a pipe on the end of a tap F16L37/50adjustable allowing movement of the parts joined F16L37/505allowing substantial longitudinal adjustment or movement F16L37/52Universal joints F16L37/53allowing adjustment or movement only about the axis of one pipe F16L37/54for pipes under pressure which are supported only on one side F16L37/56for double-walled or multi-channel pipes or pipe assemblies F16L37/565Concentric pipes F16L37/58the extremities of the two halves of the joint being pressed against each other without being locked in position F16L37/60with plug and fixed wall housing F16L37/62pneumatically or hydraulically actuated