B28B21/28 - CPC Classification Index

ClassID:

47588 ⎘

B28B21/28 - 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 using compacting heads, rollers, or the like combined with vibration means

Recent Application in this class:

20130026162

2013-01-31

PRECAST CONCRETE METER PIT AND APPARATUS FOR MAKING SAME

20110318446

2011-12-29

Method And An Apparatus For The Manufacture Of Concrete Pipes

20090178365

2009-07-16

METHOD OF FABRICATING A PRECAST CONCRETE METER PIT

20090084793

2009-04-02

Method for making precast concrete meter pit

20060169868

2006-08-03

Precast concrete meter pit and method and apparatus for making same

20060033227

2006-02-16

Method and an apparatus for the manufacture of concrete pipes

20050269747

2005-12-08

Press head assembly for concrete pipe making machine