Cooperative Patent Classification

CPC Definition - Subclass B31C

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Last Updated Version: 2016.11
MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER OR CARDBOARD
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Making wound articles of material in a plastic state

Wrapping a blank around, e.g. a mandrel to form boxes or bags

Shaping paper tubes by bending or folding

Winding webs

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

Winding

forming two or more complete convolutions

Wrapping

forming one convolution possibly with an additional overlap

Forming conical articles of paper or cardboard by winding
Definition statement

This place covers:

Forming conical paper articles by winding, e.g. winding blanks

Simultaneous forming of cylindrical and conical shapes by winding separate webs, e.g. forming bottles
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Paper bottles made by folding

Machinery for winding paper or cardboard combined with other machinery
Special rules of classification

Documents must additionally be classified in at least one of the groups B31C 1/00 - B31C 9/00.

for additionally shaping the articles
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Making cores