IPC Main Group
B21G 1/00 Making needles used for performing operations
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- MAKING NEEDLES, PINS OR NAILS OF METAL
Related Keywords
making NEEDLE(S)
5 direct subcodes
Child Classifications
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- B21G 1/02 of needles with eyes, e.g. sewing-needles, sewing-awls
- B21G 1/06 of needles with hook or barb, e.g. crochet hooks
- B21G 1/08 of hollow needles or needles with hollow end, e.g. hypodermic needles, larding-needles
- B21G 1/1 equipped with locking means for the material to be drawn through, e.g. for repairing tubeless tyres
- B21G 1/12 Securing, cleaning-off burrs, reconditioning, polishing, grinding