B28B21/92 - CPC Classification

Methods or machines specially adapted for the production of tubular articles Methods or apparatus for treating or reshaping

• B28B21/925 » {for wrapping} 2
• B28B21/94 » for impregnating or coating by applying liquids or semi-liquids 4
• B28B21/96 » for smoothing, roughening, corrugating or for removing burr 1
• B28B21/98 » for reshaping, e.g. by means of reshape moulds 4

Recent Application in this class: