F-Term-List

F16L21/00@A-21/00@Z

AA00
FLEXIBLE SLEEVES AND SOCKETS

AA01

AA02

AA03

AA05

. Sleeves and sockets with flexibility

. . Serpentine joints

. . Elastic bodies

. Sleeves and sockets without flexibility

AB00
INDICATIONS APPEARING ON JOINTS

AB01

AB02

AB03

. Extent of insertion

. Type and flow direction of fluid bodies

. Others

AC00
MANUFACTURE OF PIPE JOINTS

AC01

AC02

AC03

AC04

AC05

AC06

. Joints for concrete pipes

. Joints for plastic pipes

. Joints for iron pipes

. Joints for pipes made of complex materials

. Joints for sleeve pipes

. Joints for socket pipes

AD00
SPECIFIC PACKING MATERIALS

AE00
PIPES WITH OTHER SPECIAL CHARACTERISTICS

F16L21/02@A-21/02@F;21/02@Z

BA00
PROPERTIES OF PIPE MATERIALS

BA01

BA02

BA03

BA04

BA05

. Plastic pipes

. Cast iron pipes

. Concrete pipes

. Steel pipes

. Compound pipes

BB00
PIPE SHAPES

BB01

BB02

BB03

BB04

BB05

BB06

. Sleeve joints

. . Joints made from separate sleeve segments

. . . Pipes and sleeves made from different materials

. . . Pipes and sleeves made from the same materials

. Socket joints

. . Pipes and sockets made from different materials

BC00
PACKING SHAPES

BC01

BC02

BC03

BC04

BC05

BC06

BC07

BC08

. Single packing elements

. Multiple packing elements

. Expansion of hollow packing by fluid pressure

. Expansion by absorption of fluids in the pipes

. Packing pressure produced by rings for leakage prevention

. Compound packing materials formed by pasting

. Specific packing-material properties

. Other characteristics

F16L21/04

CA00
PRESSING ON PACKING BY MEMBERS MOVABLE IN THE AXIAL DIRECTION

CA01

CA02

CA03

CA04

CA05

CA06

CA07

CA08

CA09

CA10

. Sleeve types

. Socket typess

. Pressing on packing by wedges

. Gland packing types

. Pressing elements that body pass through the packing

. Self-sealing packing

. Prevention of biting of the packing

. Attachment of springs that press on the packing

. Packing made of various materials

. Specific packing-material properties

CA11

CA12

CA13

CA14

. Addition of means to prevent the packing from separating from the pipes

. . Prevention of separation by wedge elements

. . Prevention of separation by locking rings

. Others

F16L21/06

DA00
JOINTS WITH DIVIDED SOCKETS OR RINGS

DA01

DA02

DA03

DA04

DA06

DA07

DA08

DA09

DA10

. Connection of pipes ends with the same shape

. . Cross-sections with arches or raised parts

. . Cylindrical socket joints

. . . Sockets attached by bands

. Connection of pipe ends with different shapes

. Sealing of packing at the joints

. Addition of means to prevent the packing from separating from the pipes

. . Wedges that bite into the pipes

. . Screws that bite into the pipes

DA11

DA13

DA14

DA15

. . Other biting means

. Packing made of various materials

. Specific packing-material properties

. Packing interposed between the abutting surfaces

F16L21/08@A

EA00
JOINTS THAT PREVENT SEPARATION USING CONNECTION RODS

EA01

EA02

EA03

EA04

EA05

. Shapes which allow changing of the spacing between the pipes

. . Changing of the spacing by use of long axial grooves in the pipes

. Connecting rods that are located on the inner surface of the pipes

. Connection rods that pass through the pipe ends

. Others

F16L21/08@B

FA00
JOINTS THAT PREVENT SEPARATION USING LOCKING RINGS

FA01

FA02

FA03

FA04

FA05

FA06

FA07

FA08

. Means of reducing and expanding the diameter of the locking ring

. . Increasing and decreasing of the diameter using screws mounted on the joints

. . Increasing and decreasing of the diameter using tools

. Locking rings are split through the circumference

. Locking rings that are made of various materials

. Locking rings with beveled surfaces

. String-type locking rings

. Others

F16L21/08@D

GA00
JOINTS THAT PREVENT SEPARATION USING WEDGES

GA01

GA02

GA03

GA04

GA05

. Wedges that are situated on the outside wall of the pipes

. Wedges that are situated on the inside wall of the pipes

. Wedges pressed into pipes by screws

. Integration of wedges and packing

. Others

F16L21/08@E

HA00
JOINTS THAT PREVENT SEPARATION USING SCREWS

HA01

HA02

HA03

. Screws that bite directly into pipes

. Members mounted at the ends of the screws that bite into the pipes

. Others

F16L21/08@G

JA00
JOINTS THAT PREVENT SEPARATION USING GRIPPING RINGS

JA01

JA02

. Gripping rings that are embedded in the packing

. Others

F16L21/08@Z

KA00
PIPE JOINTS USING OTHER SEPARATION-PREVENTION MEANS

3H015	Joints with sleeves
	F16L21/00 -21/08@Z