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MAKING WOUND ARTICLES, e.g. WOUND TUBES (characteristics relating to the working of plastics B29)
Informative references
Attention is drawn to the following places, which may be of interest for search:
Wrapping a blank around, e.g. a mandrel to form boxes or bags
Winding webs
Shaping paper tubes by bending or folding
Glossary of terms
In this subclass/group, 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 paper tubes or pipes by feeding at right angles to the winding mandrel centre line
Forming paper tubes or pipes by feeding obliquely to the winding mandrel centre line
Forming paper tubes or pipes without mandrels
Forming conical paper articles by winding (winding blanks B31B)
Definition statement
This subclass/group covers:
Winding blanks
Special rules of classification within this group
The reference in the title winding blanks B31B is IPC based. Said reference is not followed, hence the scope of B31C 7/00 encompasses winding blanks
Simultaneous forming of cylindrical and conical shapes by winding separate webs, e.g. forming bottles (winding blanks B31B)
Informative references
Attention is drawn to the following places, which may be of interest for search:
Paper bottles made by folding
Paper-winding machinery combined with other machinery
Special rules of classification within this group
Documents must additionally be classified in at least one of the groups B31C 1/00 to B31C 9/00.
for additionally shaping the articles
Informative references
Attention is drawn to the following places, which may be of interest for search:
Making cores
Making wound articles not otherwise provided for
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Last Modified: 04/16/2013 4:31:16 PM