B28B21/30 - CPC Classification Index

ClassID:

47589 ⎘

B28B21/30 - CPC Classification

Classification description:

Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts Centrifugal moulding

Sub-classes:

B28B21/305 » {Moulding machines with vertical rotation axis} 1
B28B21/32 » Feeding the material into the moulds 0
B28B21/34 » combined with vibrating or other additional compacting means 0

Recent Application in this class:

20190263703

2019-08-29

HOLLOW CYLINDER OF CERAMIC MATERIAL, A METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF

20180281228

2018-10-04

Method of fabricating an impregnated fiber assembly

20180134618

2018-05-17

Drain Pipe and Manufacturing Method Therefor

20180126591

2018-05-10

Method of impregnating a fiber texture of hollow shape

20140053499

2014-02-27

Concrete pole and manufacturing method therefor

20100327488

2010-12-30

Method of Making Hollow Concrete Elements