United States Patent and Trademark Office

Outline		Indent Level
Color		Curly Brackets (indicating CPC extensions to IPC)

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	CPC	COOPERATIVE PATENT CLASSIFICATION

BENDING; COOPERAGE; WHEEL-MAKING

B27H 1/00

Bending wood stock, e.g. boards

Manufacture of constructional elements of tubes, coops, or barrels (assembly, e.g. coopering, B27H 5/00)

B27H 3/02

Manufacture of barrel staves

B27H 3/04

Manufacture of barrel heads or casings

Manufacture of tubes, coops, or barrels (from veneer strips or sheets B27D 1/00)

B27H 5/02

Building up with staves

B27H 5/04

. .

Forming staves into the final shape and assembling same

B27H 5/08

Finishing barrels, e.g. cutting grooves

B27H 5/10

. .

Trussing or hooping barrels

B27H 5/12

. .

Making bungs from wood; Drilling or reaming bung holes

B27H 7/00

Manufacture of wood-rimmed wheels, e.g. cart wheels, steering wheels

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