ClassID:

55239

B31D3/0238 - 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 involving laminating the expanded core

Recent Application in this class: