MX144099A
(en )
1981-08-26
CUTTING MACHINE FOR CORRUGATED HELICAL TUBE
BE820292A
(en )
1975-01-16
DOUBLE WALL HELICOIDAL TUBE
YU92871A
(en )
1977-06-30
Improvements in a device for manufacturing pipes profiled in transverse section
ES177263Y
(en )
1973-03-01
AN APPARATUS FOR DEFORMING A STABILIZABLE HI-LOS KNITTED TUBULAR SLEEVE.
CA957571A
(en )
1974-11-12
Device for forming a strip helically into a pipe
ES196922Y
(en )
1975-08-16
A DEVICE FOR WELDING HELICAL SEAMED TUBES.
AR194376A1
(en )
1973-07-13
FLOWMETER FOR A PIPE
AR201743Q
(en )
1975-04-15
APPARATUS FOR FORMING A PIPE PROVIDED WITH A HELICAL FIN FORMING A SINGLE PIECE WITH A TUBULAR PORTION
BE769088A
(en )
1971-11-03
SEGMENTED TUBE WITH I-TYPE SEGMENTED FIN AND METHOD FOR MANUFACTURING IT
BR7305658D0
(en )
1974-08-29
A CYLINDRICAL AND TUBULAR UNION FOR TUBES IN GENERAL
BR7207622D0
(en )
1973-08-21
HANDLEED HANDLE FOR CONTINUOUS PRODUCTION OF PIPES IN UNDEFINED SIZES
ES207805Y
(en )
1976-11-16
A FORMING CHUCK FOR USE IN AN APPARATUS TO FORMING A FLARED END OF A PLASTIC PIPE.
ES195714Y
(en )
1975-07-01
A DEVIATION DEVICE FOR THE TUBES OF A PNEUMATIC TRANSPORTATION INSTALLATION.
AR202104Q
(en )
1975-05-15
APPARATUS FOR FORMING A PIPE PROVIDED WITH A FIN
ES192648Y
(en )
1975-01-01
RACORD FOR HELICAL CORRUGATED TUBE.
CH445834A
(en )
1967-10-31
A reciprocating mandrel for making tubular products
IL30534A0
(en )
1968-10-24
Mandrel for the manufacture of cylindrical tubes of reinforced plastic
CH467637A
(en )
1969-01-31
Method for manufacturing a tube with a helical fin
AR193598A1
(en )
1973-04-30
AN ENDLESS HELICAL FIN FOR CONTINUOUS CONVEYORS
ES194647Y
(en )
1975-05-01
SPLICING DEVICE FOR HELICAL FLEXIBLE TUBES.
CH441095A
(en )
1967-07-31
Mandrel for forming radially pressed concrete pipes
IT1009363B
(en )
1976-12-10
DEVICE FOR INSERTING A DEVICE ON A PIPE
ES116693Y
(en )
1966-08-16
A SCREW CLOSURE FOR TUBES.
AR204985A1
(en )
1976-03-31
APPARATUS FOR CONTINUOUSLY FORMING A LAMINAR STRUCTURE
ES189566Y
(en )
1974-10-16
A CISTERN FOR SANITARY INSTALLATIONS.