B21H

Watch

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Description

MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS (essentially from sheet metal B21D)

Subclasses

Not Available
Subclass Title
1/00 Making articles shaped as bodies of revolution (rolling tubes B21B 17/00-B21B 25/00)
1/02 Making articles shaped as bodies of revolution (rolling tubes B21B 17/00-B21B 25/00) discs; disc wheels
1/04 Making articles shaped as bodies of revolution (rolling tubes B21B 17/00-B21B 25/00) discs; disc wheels with rim, e.g. railway wheels
1/06 Making articles shaped as bodies of revolution (rolling tubes B21B 17/00-B21B 25/00) rings of restricted axial length (extending closed shapes of metal bands by simultaneous rolling at two or more zones B21B 5/00)
1/08 Making articles shaped as bodies of revolution (rolling tubes B21B 17/00-B21B 25/00) rings of restricted axial length (extending closed shapes of metal bands by simultaneous rolling at two or more zones B21B 5/00) railway wheel rims

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Recent Patents

Not Available

Recent Publications

Not Available
Publication #TitleFiling DatePub DatePatent Owner
2020/0023,426 STRETCH ROLLING METHOD AND STRETCH ROLLING UNIT Jan 31, 18 Jan 23, 20 , SMS GROUP GMBH
2020/0016,644 Cam Grooving Machine Sep 26, 19 Jan 16, 20 , Not available
2020/0001,348 WHEEL ROLLING DEVICE Apr 15, 19 Jan 02, 20 , CITIC DICASTAL CO., LTD

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Patents Issued To Date - By Filing Year

Average Time to Issuance

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