characterised by an internal layer formed of separate pieces of material

Full Title

Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form > characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material > characterised by an internal layer formed of separate pieces of material

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

LAYERED PRODUCTS

Subclass:

LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM

Child Classifications

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• B32B 3/2 of hollow pieces, e.g. tubes; of pieces with channels or cavities
• B32B 3/22 of spaced pieces