Bending not restricted to forms of material mentioned in only one of groups , ,; Bending not provided for in groups; Twisting

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL

Subclass:

WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL

Scope Notes

Limiting references: Corrugating or bending into wave form , Flanging

Child Classifications

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• B21D 11/02 Bending by stretching or pulling over a die
• B21D 11/06 Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
• B21D 11/08 Bending by altering the thickness of part of the cross-section of the work
• B21D 11/1 Bending specially adapted to produce specific articles, e.g. leaf springs
• B21D 11/14 Twisting
• B21D 11/18 Joggling
• B21D 11/2 Bending sheet metal, not otherwise provided for
• B21D 11/22 Auxiliary equipment, e.g. positioning devices