
lng 'a fluted, torrugated, twisted, 'or other like When the pattern and workpiece are moved configuration to metal or other tubes.

153-72) This invention-has for its object to provide latter serve to produce the required fiutings in aniinprovedmethod of and means for impartthe work piece.

Application for reissue July 24, 1934, Serial No.

USRE19655E - Manufacture of fluted - Google Patents USRE19655E - Manufacture of fluted - Google Patents Manufacture of fluted Download PDF Info Publication number USRE19655E USRE19655E US19655DE USRE19655E US RE19655 E USRE19655 E US RE19655E US 19655D E US19655D E US 19655DE US RE19655 E USRE19655 E US RE19655E Authority US United States Prior art keywords pattern tool workpiece follower tube Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
