ClassID:

55238

B31D3/023 - CPC Classification

Classification description:

Making articles of cellular structure, e.g. insulating board honeycombed structures, i.e. the cells having an essentially hexagonal section; Making honeycomb cores, e.g. by piling a plurality of web sections or sheets by cutting webs longitudinally into strips, piling these strips and uniting them along lines perpendicular to the cuts

Sub-classes:
Recent Application in this class: