ClassID:

152928

F16L15/08 - CPC Classification

Classification description:

Screw-threaded joints ; Forms of screw-threads for such joints with supplementary elements

Recent Application in this class:
#1
20260071413
2026-03-12

HYDRANT NOZZLE CAP SPACER

#2
20260027388
2026-01-29

Secure Threaded Connection

#3
20260009481
2026-01-08

UNION BOLT FOR REDUCING FLUID PRESSURE NOISE

#4
20250369539
2025-12-04

CONNECTION DEVICE WITH GEAR MECHANISM

#5
20250320941
2025-10-16

HOSE ROTATOR

#6
20250224053
2025-07-10

FLOATING CONNECTOR FOR LIQUID COOLING DEVICE

#7
20250116357
2025-04-10

OIL-WELL METAL PIPE

#8
20250109810
2025-04-03

SEALED CONNECTION ASSEMBLY

#9
20250101814
2025-03-27

Pipe Connector

#10
20250034953
2025-01-30

THREADED CONNECTION FOR EXPLORATION AND PRODUCTION OF A HYDROCARBON WELL

#11
20240418302
2024-12-19

CONVEX MALE FITTING AND SYSTEMS

#12
20240418301
2024-12-19

OIL-WELL METAL PIPE

#13
20240410502
2024-12-12

TUBE FITTING

#14
20240360930
2024-10-31

LIGATURE RESISTANT QUICK DISCONNECT WITH POSITIVE SHUTOFF

#15
20240287772
2024-08-29

HYDRANT NOZZLE CAP SPACER

#16
20240247746
2024-07-25

TUBULAR WITH SCREW THREAD

#17
20240183470
2024-06-06

Conduit fitting with components adapted for facilitating assembly

#18
20240110648
2024-04-04

A PIPE COUPLING

#19
20240027001
2024-01-25

THREAD CONNECTOR LOCK

#20
20230408001
2023-12-21

FLEXIBLE CASING SYSTEMS AND METHODS

#21
20230383874
2023-11-30

Pipe coupling

#22
20230358347
2023-11-09

ANTI-ROTATIONAL PIPE COUPLING

#23
20230313919
2023-10-05

FITTING DEVICE FOR MAKING CONNECTION TUBE

#24
20230265724
2023-08-24

Threaded connection for exploration and production of a hydrocarbon well

#25
20230243135
2023-08-03

Hydrant nozzle cap spacer

#26
20230243134
2023-08-03

Hydrant nozzle cap spacer

#27
20230228350
2023-07-20

HIGH PERFORMANCE SHOULDER RING FOR PIPE AND OTHER TUBULAR GOODS IN THE OIL AND GAS INDUSTRY

#28
20230193937
2023-06-22

FIRE HOSE COUPLINGS AND ADAPTERS

#29
20230151912
2023-05-18

PIPE CONNECTION

#30
20230072067
2023-03-09

Telescopically assembled mechanical connector

#31
20230025594
2023-01-26

Locking fitting for a fluid coupling

#32
20230015919
2023-01-19

TORQUE-LIMITING FASTENER AND COUPLING

#33
20220403958
2022-12-22

Ratchet fitting, pipe connecting structure and liquid chromatograph

#34
20220373112
2022-11-24

Cable Connector Attachment

#35
20220356970
2022-11-10

Mechanical connector utilizing shear pins to transfer torque

#36
20220356969
2022-11-10

Mechanical connector utilizing keys to transfer torque

#37
20220356968
2022-11-10

Mechanical connector utilizing interlocked threads to transfer torque

#38
20220349502
2022-11-03

Mechanical connector utilizing dog-clutch teeth to transfer torque

#39
20220307639
2022-09-29

Tubular with screw thread

#40
20220243845
2022-08-04

THREADED JOINT WITH SHOULDER PRODUCED BY ADDITIVE MANUFACTURING

#41
20220235637
2022-07-28

Pipe connector

#42
20220228685
2022-07-21

Joint for hydraulic connection

#43
20220228680
2022-07-21

Hydraulic adapter unit, hydraulic pipe member, and method for manufacturing hydraulic pipe member

#44
20220178118
2022-06-09

Test cock with integrated extraction tool

#45
20220127827
2022-04-28

Hydrant nozzle cap spacer

#46
20220064561
2022-03-03

Composition, and threaded connection for pipes including lubricant coating layer formed from the composition

#47
20220010895
2022-01-13

System and method for anti-rotation between tubulars

#48
20220010629
2022-01-13

System and method for anti-rotation between tubulars

#49
20210364119
2021-11-25

Threaded connection for pipes or tubes and method for producing the threaded connection for pipes or tubes

#50
20210317933
2021-10-14

CONDUIT FITTING WITH COMPONENTS ADAPTED FOR FACILITATING ASSEMBLY

#51
20210310332
2021-10-07

Assembly with tightly controlled axial gap for threaded connector insulation on vacuum insulated tubing

#52
20210301953
2021-09-30

Hammerless and torqueless union connection

#53
20210277635
2021-09-09

Hydrant nozzle cap spacer

#54
20210246738
2021-08-12

Quick coupling drill pipe connector

#55
20210222808
2021-07-22

Connector assembly and method

#56
20210180730
2021-06-17

HAMMERLESS PIPE UNION

#57
20210156501
2021-05-27

HOSE CONNECTOR

#58
20210079783
2021-03-18

Instrumented couplings

#59
20210071786
2021-03-11

Lock device for pipe coupling and valve coupling part

#60
20210025524
2021-01-28

Threaded coupling with under-torque prevention

#61
20200378193
2020-12-03

Aligning two parts of a tubular assembly

#62
20200362999
2020-11-19

Hose connector assembly, use of a hose connector assembly, and sanitary fitting

#63
20200340604
2020-10-29

PIPE COUPLING AND METHOD

#64
20200332930
2020-10-22

Mechanical connectors

#65
20200309292
2020-10-01

System and method for auxiliary line connections

#66
20200292108
2020-09-17

Face-Sealing Fluidic Connection System

#67
20200278059
2020-09-03

CONVEX MALE FITTING AND SYSTEMS

#68
20200278058
2020-09-03

COMPOSITE TO METAL END FITTING JOINT

#69
20200182050
2020-06-11

System and Method for Downhole Telemetry

#70
20200116282
2020-04-16

High capacity universal connector

#71
20200087580
2020-03-19

Tube arrangement and furnace

#72
20200080670
2020-03-12

Hands free gasket retention mechanism

#73
20200056641
2020-02-20

Assembly method of inner ring threaded-connection component device of wind-power locking plate

#74
20200003345
2020-01-02

Conduit fitting with components adapted for facilitating assembly

#75
20190346075
2019-11-14

ADAPTER WITH TWO MALE THREADS

#76
20190331262
2019-10-31

Threaded Connection for Pipe and Method for Producing Threaded Connection for Pipe

#77
20190323638
2019-10-24

Anti-rotation device for connector assembly

#78
20190323637
2019-10-24

ELECTRICAL CONDUIT COUPLER

#79
20190321265
2019-10-24

System, apparatus and method employed with enteral systems

#80
20190309888
2019-10-10

Thread Protector

#81
20190309880
2019-10-10

CABLE CONNECTOR ATTACHMENT

#82
20190309879
2019-10-10

Fitting device for making connection tube

#83
20190293213
2019-09-26

PIPE COUPLER HAVING AN INTEGRAL MOUNTING FLANGE

#84
20190285212
2019-09-19

ASSEMBLY FOR IRRIGATION

#85
20190284884
2019-09-19

Rod or tube lifting apparatus

#86
20190271419
2019-09-05

CONDUIT CONNECTION WITH SENSOR

#87
20190195030
2019-06-27

Wedge threadform having crest to root thread compound relief areas

#88
20190195029
2019-06-27

Threadform having crest to root thread compound relief areas

#89
20190136744
2019-05-09

ENGINE COOLANT PUMP APPARATUS WITH THREADED CONNECTIONS

#90
20190128449
2019-05-02

Composite tubular structure

#91
20190063648
2019-02-28

Process transmitter having a rotatable coupling

#92
20190040978
2019-02-07

Threaded joint for steel pipes

#93
20190032821
2019-01-31

PIPE COUPLING

#94
20190009295
2019-01-10

Hanging connector for flexible sprinkler conduit

#95
20190008725
2019-01-10

Mechanical friction enhancement for threaded connection incorporating micro-threads

#96
20190003265
2019-01-03

Manual pipe valve connector for jointed pipe connections with quick release check valve assembly and uses thereof

#97
20180372374
2018-12-27

Gas feed tube assembly for a water heater

#98
20180368286
2018-12-20

Coupling assemblies for connecting fluid-carrying components

#99
20180368285
2018-12-20

Coupling assemblies for connecting fluid-carrying components

#100
20180363688
2018-12-20

Locked connections between two threaded members

#101
20180356015
2018-12-13

Pipe union assembly

#102
20180347289
2018-12-06

Downhole expandable tubular members with sealed releasable connection

#103
20180340637
2018-11-29

High pressure fitting

#104
20180340636
2018-11-29

Tubular connecting arrangement and method of sealingly connecting tubulars

#105
20180320804
2018-11-08

CONDUIT FITTING WITH COMPONENTS ADAPTED FOR FACILITATING ASSEMBLY

#106
20180313476
2018-11-01

Threaded pipe connections and sockets for making the same in situ

#107
20180299047
2018-10-18

PIPE FITTING ASSEMBLY

#108
20180299043
2018-10-18

Apparatus and method for joining extended lengths of conduit

#109
20180283429
2018-10-04

Fire hose couplings and adapters

#110
20180252054
2018-09-06

Alignment sub with deformable sleeve

#111
20180238119
2018-08-23

Transmission assembly for downhole motor

#112
20180231161
2018-08-16

Flexible pipe joint

#113
20180231157
2018-08-16

COMPOSITE TO METAL JOINT AND METHOD FOR FORMING SAME

#114
20180231156
2018-08-16

Fastener having a flexible sleeve for connecting a coated conduit to a fitting

#115
20180231155
2018-08-16

Vertical ratcheting anti-rotation device

#116
20180230758
2018-08-16

Radial ratchet dog anti-rotation device

#117
20180230757
2018-08-16

Set Screw Anti-Rotation Device with Knurl Surface

#118
20180226239
2018-08-09

Probe adaptor assembly

#119
20180209571
2018-07-26

Hose connector assembly, use of a hose connector assembly, and sanitary fitting

#120
20180209566
2018-07-26

Withdrawal system

#121
20180201868
2018-07-19

Composition for solid lubricating coating, threaded connection for pipe or tube including the solid lubricating coating formed from the composition, and method of producing the threaded connection

#122
20180195650
2018-07-12

METHOD OF PRODUCING A TUBE ARRANGEMENT, A TUBE ARRANGMENT AND A FURNACE PROVIDED WITH SUCH A TUBE ARRANGEMENT

#123
20180187804
2018-07-05

Hammerless pipe union

#124
20180187529
2018-07-05

Expanding well tubulars interconnected by pin-box assemblies optimized for expansion

#125
20180180201
2018-06-28

Anti-unscrewing quick coupling fitting

#126
20180172188
2018-06-21

Method of assembling a conduit fitting

#127
20180172187
2018-06-21

Anti-rotation device for hydraulic connectors

#128
20180171724
2018-06-21

Running tool lock mechanism

#129
20180163902
2018-06-14

High capacity universal connector

#130
20180148984
2018-05-31

Electromagnetic telemetry gap sub assembly with insulating collar

#131
20180142813
2018-05-24

High pressure fitting

#132
20180142812
2018-05-24

Flared exhaust gas pressure tube having keyed washer

#133
20180135784
2018-05-17

Fluid connector assembly and method of establishing a fluid connection

#134
20180119852
2018-05-03

Expanding well tubulars interconnected by pin-box assemblies optimized for expansion

#135
20180119405
2018-05-03

Adjustable height disconnect

#136
20180106407
2018-04-19

Coupler assembly that compensates for misalignment

#137
20180087708
2018-03-29

Fireproof quick disconnect coupling assembly

#138
20180066774
2018-03-08

Composite drill pipe and method for forming same

#139
20180064901
2018-03-08

LUER CONNECTORS

#140
20180051523
2018-02-22

High pressure marine drilling riser assembled using mechanical components

#141
20180038526
2018-02-08

Micro-duct reclamation compression coupling

#142
20180031170
2018-02-01

Separable threaded connection with asymmetric coating

#143
20180017193
2018-01-18

Seal member for a hydraulic fluid actuator

#144
20170356574
2017-12-14

THREADED INSERT FOR CONNECTIONS OF TUBES AND ACCESSORIES FOR LIQUID AND GASEOUS FLUIDS IN GENERAL

#145
20170343138
2017-11-30

Composite drill pipe

#146
20170336002
2017-11-23

Adapter for mounting a cylinder for a fluid powered linear actuator to a fluid channel

#147
20170328139
2017-11-16

Anti-rotation device for connector assembly and method

#148
20170328138
2017-11-16

Drop in anti-rotation key

#149
20170314337
2017-11-02

Tapered thread configuration with improved durability

#150
20170304999
2017-10-26

Fittings, Components, and Associated Tools

#151
20170292641
2017-10-12

Probe assembly connector

#152
20170276268
2017-09-28

Pipe coupling system and method

#153
20170268704
2017-09-21

Manifold connection assembly

#154
20170268298
2017-09-21

Interlock pipe connection

#155
20170254449
2017-09-07

Composite tube to metal joint apparatus

#156
20170254156
2017-09-07

Tubular component connection protector

#157
20170227155
2017-08-10

Connection system

#158
20170219146
2017-08-03

Collet securing device for joining two fluid lines and providing lateral support at the connection of the two fluid lines

#159
20170218603
2017-08-03

Easy-to-install tap structure

#160
20170211730
2017-07-27

Tamper-resistant frictionless connector assembly

#161
20170211729
2017-07-27

Connector device

#162
20170175935
2017-06-22

Deep fiber push connector that allows for rotation during tightening without damaging cable

#163
20170175459
2017-06-22

Mechanical connector of long torsional and bending fatigue life

#164
20170167643
2017-06-15

DUAL USE HANDLE FOR SUPPLY LINES

#165
20170167203
2017-06-15

Oilfield tubular connection system and method

#166
20170159859
2017-06-08

PIPE COUPLING WITH LOAD DEFLECTING REGION

#167
20170157354
2017-06-08

Luer connectors

#168
20170152978
2017-06-01

Locking collar quick union connection

#169
20170152975
2017-06-01

ROTATABLE CONNECTOR FOR CONNECTING A FLUID TRANSMISSION PIPE

#170
20170101828
2017-04-13

Pre-installed anti-rotation key for threaded connectors

#171
20170089496
2017-03-30

Pipe fitting with sensor

#172
20170089046
2017-03-30

Rain catcher with release coupling

#173
20170074450
2017-03-16

Joint assembly for forming a duct

#174
20170074429
2017-03-16

Sanitary fitting for fluid handling equipment

#175
20170051860
2017-02-23

Torque limited fitting

#176
20170051853
2017-02-23

Pipe Joint Structure

#177
20170030500
2017-02-02

Spherical decoupler conduit

#178
20170030148
2017-02-02

Locking nut with a directional coupling mechanism

#179
20170016559
2017-01-19

GAS CONNECTOR ASSEMBLY

#180
20170009570
2017-01-12

System and method for controlling a dual telemetry measurement while drilling (MWD) tool

#181
20170009436
2017-01-12

Intermediate holder

#182
20160377208
2016-12-29

Gasket for Threaded Pipe Flange

#183
20160377205
2016-12-29

Tube fitting tamper-resistant collar

#184
20160376849
2016-12-29

ELECTRICAL CONNECTIVITY ACROSS A TOOL JOINT

#185
20160370006
2016-12-22

CONNECTING STRUCTURE BETWEEN GAS ASSEMBLY AND GAS TRANSMISSION PIPELINE

#186
20160369920
2016-12-22

Anti-rotation key for threaded connectors

#187
20160367909
2016-12-22

Fitting for elastically-biasing a capillary for a fluidtight connection to a fluidic conduit

#188
20160362976
2016-12-15

Dual telemetry receiver for a measurement while drilling (MWD) system

#189
20160362940
2016-12-15

Gap sub assembly for a downhole telemetry system

#190
20160356407
2016-12-08

Anti-rotation device for connector assembly

#191
20160356097
2016-12-08

Cam-style anti-rotation device for connector assembly

#192
20160356096
2016-12-08

Anti-rotation key for connector assembly

#193
20160348849
2016-12-01

Fluid diversion device

#194
20160345466
2016-11-24

Coupling assemblies for connecting fluid-carrying components

#195
20160341342
2016-11-24

Coupling assemblies for connecting fluid-carrying components

#196
20160327191
2016-11-10

Breech lock coupling

#197
20160327190
2016-11-10

OXYGEN SENSOR SEAT STRUCTURE

#198
20160319967
2016-11-03

Method for manufacturing stop collar for pipe fitting device and stop collar

#199
20160312940
2016-10-27

Garden hose coupling with protective, strain reducing sleeve

#200
20160305798
2016-10-20

Measuring instrument with connecting coupling

#201
20160305586
2016-10-20

Manifold connection assembly

#202
20160305422
2016-10-20

Valve connector for integral high pressure cylinder unloader valve

#203
20160298796
2016-10-13

Conduit connection with sensor on a threaded body

#204
20160298400
2016-10-13

Pipe connector

#205
20160273690
2016-09-22

Articulated conduit device

#206
20160243475
2016-08-25

Fluid flow accessory

#207
20160238167
2016-08-18

Press fitting for a threaded connection and method for attaching a fitting to a threaded connection

#208
20160215906
2016-07-28

Fitting mechanism for use with multilayer composite pipe

#209
20160208963
2016-07-21

Loosening-preventing device for pipe fitting

#210
20160190655
2016-06-30

Vibration resistant valve assembly for lead acid batteries

#211
20160186900
2016-06-30

Adaptable tube connector

#212
20160178096
2016-06-23

Connection device of two pipes, comprising a seal which is configured to limit the risks of damaging the seal

#213
20160178094
2016-06-23

Threaded pipe assembly for use in a valve cartridge of a separable water faucet and method for manufacturing same

#214
20160175201
2016-06-23

System, apparatus and method employed with enteral systems

#215
20160169423
2016-06-16

Shock pump adapter

#216
20160161035
2016-06-09

Fluid connector with a swivel body

#217
20160145883
2016-05-26

Threaded attachment system for wall-mounted pool skimmer

#218
20160131285
2016-05-12

PIPING JOINT STRUCTURE

#219
20160116093
2016-04-28

HOSE END FITTING SYSTEM FOR POLYETRAFLUOROETHYLENE (PTFE)-CORE HOSE

#220
20160116088
2016-04-28

Face-sealing fluidic connection system

#221
20160097474
2016-04-07

CLICK-SEAL TORQUE LIMITING CONNECTOR DESIGNS

#222
20160091126
2016-03-31

Compression fitting with torque nut

#223
20160090726
2016-03-31

Coupling Assembly for Closet Carrier System

#224
20160084418
2016-03-24

Detachable tube coupling system

#225
20160084411
2016-03-24

Fuel jet tube and related methods

#226
20160084246
2016-03-24

Attachment of a fluid flow hat for actuated valve

#227
20160076683
2016-03-17

Coupling Assembly for a Pipe and Valve Assembly Comprising the Same

#228
20160076676
2016-03-17

CONNECTOR DEVICE, CONNECTOR HAVING THE SAME AND TANK FOR HEAT EXCHANGER HAVING THE CONNECTOR

#229
20160076316
2016-03-17

Anti-rotation device for pipe string

#230
20160069565
2016-03-10

Gas regulator fitting

#231
20160069504
2016-03-10

Locking device

#232
20160061361
2016-03-03

PIPE CONNECTING DEVICE

#233
20160061360
2016-03-03

Inner ring

#234
20160061359
2016-03-03

DRAIN SYSTEM FOR A MOTOR VEHICLE

#235
20160061357
2016-03-03

Pipe connecting device

#236
20160047508
2016-02-18

PIPING SYSTEM DRAIN DOWN TOOL

#237
20160047507
2016-02-18

Test port for fuel dispenser

#238
20160047502
2016-02-18

Quick connection arrangements with locking mechanisms

#239
20160046479
2016-02-18

Nozzle and keyed flush face receiver

#240
20160040816
2016-02-11

MECHANICAL PIPE FITTING

#241
20160040815
2016-02-11

Quick coupling device for pressurized fluid

#242
20160033063
2016-02-04

Composite to metal end fitting joint

#243
20160033062
2016-02-04

Connector Structure Capable of Effectively Preventing Broken Water Pipe from Spraying Water

#244
20160032569
2016-02-04

Tap and an adapter thereof

#245
20160025249
2016-01-28

CONNECTOR WITH MATING PLATE

#246
20160025248
2016-01-28

Universal tube fitting adaptable for different sized tubes

#247
20160018030
2016-01-21

FITTING NUT WITH ADAPTED ENGAGING SURFACES

#248
20160002476
2016-01-07

THREADED TUBULAR COMPONENT PROTECTED BY A FILM

#249
20150377401
2015-12-31

Coupler

#250
20150369417
2015-12-24

Covering spacer for protecting the internal surface of a pipe joining element

#251
20150369402
2015-12-24

Fluidic coupling devices, assemblies, and related methods

#252
20150368988
2015-12-24

Expandable tubular thread protection

#253
20150362108
2015-12-17

Movement-constraining assembly for fluid-conveying system

#254
20150362102
2015-12-17

Method of coupling high pressure fitting

#255
20150362101
2015-12-17

PULL-UP BY TORQUE FITTING WITH COMPRESSIBLE MEMBER

#256
20150354734
2015-12-10

SWEAT SOLDER RETAINER

#257
20150345672
2015-12-03

THREAD CLAMPING COUPLER DEVICE

#258
20150345116
2015-12-03

Hose nut, water hose assembly comprising the hose nut and shower system comprising the water hose assembly

#259
20150330155
2015-11-19

Electromagnetic telemetry gap sub assembly with insulating collar

#260
20150323110
2015-11-12

Conduit fitting with components adapted for facilitating assembly

#261
20150323108
2015-11-12

Tubular connecting arrangement and method of sealingly connecting tubulars

#262
20150316180
2015-11-05

Threaded connections with an adjustable secondary shoulder

#263
20150300543
2015-10-22

Drain fittings for irrigation systems

#264
20150300542
2015-10-22

High pressure fluidic connection assemblies

#265
20150300541
2015-10-22

Coupling connection for corrugated pipes

#266
20150292661
2015-10-15

High pressure, large inner diameter hose coupling with termination attachment

#267
20150292653
2015-10-15

Dual seal fluid fitting

#268
20150292275
2015-10-15

Tapered thread configuration with improved durability

#269
20150292274
2015-10-15

Apparatus and method for coaxially joining components to resist relative rotational and longitudinal movement

#270
20150252922
2015-09-10

Conduit fitting with sensor on a threaded nut

#271
20150240973
2015-08-27

SPIGOT COUPLINGS

#272
20150240571
2015-08-27

Connection Assembly

#273
20150233504
2015-08-20

TUBULAR STAND RACKING SYSTEM

#274
20150219255
2015-08-06

Connection system

#275
20150209569
2015-07-30

Luer connectors

#276
20150204467
2015-07-23

Propane fill adaptor for vehicles

#277
20150198272
2015-07-16

Pinching device for temporarily closing flexible tubing

#278
20150198271
2015-07-16

Fluid connector assembly and method of establishing a fluid connection

#279
20150190626
2015-07-09

Luer connectors

#280
20150167876
2015-06-18

HOSE END-FITTINGS

#281
20150167875
2015-06-18

Joint for expansible host

#282
20150157847
2015-06-11

Luer connectors

#283
20150152986
2015-06-04

Pipe connectors and systems

#284
20150152985
2015-06-04

Connector element

#285
20150130185
2015-05-14

Vibration-resistant boltless ESP component connection

#286
20150110445
2015-04-23

Luer connectors

#287
20150101174
2015-04-16

Aircraft washer

#288
20150096764
2015-04-09

Interlock pipe connection

#289
20150090595
2015-04-02

Fitting for elastically-biasing a capillary for a fluid-tight connection to a fluidic conduit

#290
20150076818
2015-03-19

Lightweight fire hose coupling with protective shoulder and method of manufacturing the coupling

#291
20150070206
2015-03-12

Sectioned probe for a radar level gauge

#292
20150068623
2015-03-12

Removal system

#293
20150021905
2015-01-22

Method of making a composite tube to metal joint

#294
20140353960
2014-12-04

Locking device

#295
20140339822
2014-11-20

Luer connectors

#296
20140312611
2014-10-23

Locking fluid fittings

#297
20140284919
2014-09-25

Tubular threaded joint having improved high torque performance

#298
20140284918
2014-09-25

Coupling nut assembly

#299
20140265317
2014-09-18

High pressure fitting

#300
20140252764
2014-09-11

Two-piece self-locking mechanism for tube assemblies