ClassID:

162198

F28F9/187 - CPC Classification

Classification description:

Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings; Header boxes; End plates; Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding at least one of the parts being non-metallic, e.g. heat-sealing plastic elements

Recent Application in this class: