Rotary descaling cutter for L=section steel - has bundles of wire lengths of specified geometry forming two truncated cones
DE2853164A1
Continuous vitreous enamelling plant for tubes - where vertical tubes are carried through circular row of coating, drying and baking stations
DE2827682A1
Rotary cutting tool for machining workpiece surface - has gangs of elastic cutting elements with two opposite trapezia spaced equidistantly from tool axis
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Flash butt welding large dia. pipes - using program controlled servo in hydraulic circuit to apply upsetting pressure
DE2628295A1
Welded pipe internal deburring equipment - has tool holder on radial feed ram spring loaded against pipe (OE 15.8.77)
DE2606680A1
Rotary cutter head for welded pipe joints - has rotor with tool carriages each with roller engaging pipe surface
DE2534846A1
End milling cutter made from wire - is formed of waveform wire rings on joining by dressing
DE2525990A1
Flash butt welding large dia. pipes for pipelines - using manipulator running inside pipes for centering and clamping (OE151176)
DE2521187A1
Thin-walled pipe bending device - produces eccentric corrugations to bend pipe without internal stresses
DE2503232A1
Enamelling both sides of large pipes - using large scale mass-prodn plant for coating, drying and baking (OE150276)
DE2455390A1
Rotary cutting tool for mill scale removal
DE2237009A1
Enamel slurry application to bore of small dia tubing - - by impeller insert
DE2214589A1
METHOD OF APPLYING A LIQUID ANTI-RUST COMPOUND TO THE INNER SURFACE OF PIPES AND DEVICE FOR CARRYING OUT THE PROCEDURE
DE2213452A1
METHOD AND DEVICE FOR DRYING ENAMEL SLIPPER ON THE INNER SURFACE OF PIPES
DE2211446A1
DEVICE FOR INDUCTION HEATING OF LONG METAL PRODUCTS DURING THE ENAMELING OF THE SAME
DE1966696A1
METHOD FOR ELECTRIC RESISTANCE BUTT WELDING
DE1929494A1
Resistance butt-welding of compact and - hollow articles