CPC Definition - Subclass B31B
This place does not cover:
Attention is drawn to the following places, which may be of interest for search:
When a document is classified in one of the groups B31B 50/00 - B31B 70/99, it must also be classified completely in the groups by allocating the appropriate Indexing Codes as provided for in B31B 2100/00 - B31B 2170/30 and B31B 2247/00. Classification in B31B 2100/00 - B31B 2170/00 is mandatory.
All aspects disclosed by the documents must be classified ( deep-indexing).
Example illustrating deep-indexing:
"A device for forming a multilayered tubular web into flat bags. In one embodiment a handle is formed by punching".
This document will be given the following classification:
All relevant information contained in a document must be classified, irrespective its position in the document: description, claims or figures are to be treated with equal importance.
In this place, the following terms or expressions are used with the meaning indicated:
Envelopes or bags | essentially flexible containers, the final shape of which is determined by their contents |
Boxes or cartons | including bags formed similarly to cartons, trays with upstanding side-walls, barrels, tubes and cups, other than articles formed by winding |
Documents relating to box making must be classified in at least one sub-group of B31B 50/00 and at least one of the sub-groups of B31B 2100/00 - B31B 2120/00
Attention is drawn to the following places, which may be of interest for search:
Breaking creases to facilitate setting-up boxes in relation to packaging operations |
Attention is drawn to the following places, which may be of interest for search:
Closing boxes in relation to packaging operations |
This place covers:
Holders for the work piece.
Holders carrying feeding and guiding means.
Attention is drawn to the following places, which may be of interest for search:
Feeding articles |
Attention is drawn to the following places, which may be of interest for search:
Advancing webs |
This place does not cover:
Cutting window openings |
Attention is drawn to the following places, which may be of interest for search:
Scoring, creasing not limited to box or bag making |
Attention is drawn to the following places, which may be of interest for search:
Folding thin material Folding thin material |
Attention is drawn to the following places, which may be of interest for search:
Wrapping as packaging operation consisting of folding sheet material around a product |
Attention is drawn to the following places, which may be of interest for search:
Connecting surfaces or edges by interengaging tongues and flaps |
Attention is drawn to the following places, which may be of interest for search:
Modifying the shape of tubular paper products |
Attention is drawn to the following places, which may be of interest for search:
Joining articles by injection moulding |
Attention is drawn to the following places, which may be of interest for search:
Opening or setting-up boxes in relation to packaging operations |
Attention is drawn to the following places, which may be of interest for search:
Auxiliary devices operating on sheets, blanks, webs, containers, or packages in relation to packaging operations |
Attention is drawn to the following places, which may be of interest for search:
Patches or strips having the function of uniting opposed surfaces or edges | |
Applying tear-strips or tear-tape in relation to packaging operations |
Attention is drawn to the following places, which may be of interest for search:
Patches having the function of uniting opposed surfaces or edges |
Attention is drawn to the following places, which may be of interest for search:
Strips having the function of uniting opposed surfaces or edges |
Attention is drawn to the following places, which may be of interest for search:
Applying tabs over discharge openings in relation to packaging operations |
Attention is drawn to the following places, which may be of interest for search:
Applying or incorporating rigid fittings, e.g. discharge spouts, in relation to packaging operations |
Attention is drawn to the following places, which may be of interest for search:
Delivering sheets or thin material |
Documents relating to bag making must be classified in at least one subgroup of B31B 70/00 and in at least one of the subgroups of B31B 2150/00 - B31B 2170/00.
Attention is drawn to the following places, which may be of interest for search:
Opening or setting-up bags in relation to packaging operations |
Attention is drawn to the following places, which may be of interest for search:
Closing bags in relation to packaging operations |
This place does not cover:
Reinforcing by applying patches or by folding in connection with forming or mounting handles |
Attention is drawn to the following places, which may be of interest for search:
Feeding articles |
Attention is drawn to the following places, which may be of interest for search:
Advancing webs |
This place does not cover:
Cutting window openings |
Attention is drawn to the following places, which may be of interest for search:
Cutting or punching in connection with the forming or mounting of handles | |
Cutting | |
Means for removing cut-out material or waste |
Attention is drawn to the following places, which may be of interest for search:
Scoring, creasing not limited to box or bag making |
Attention is drawn to the following places, which may be of interest for search:
Folding thin material |
Attention is drawn to the following places, which may be of interest for search:
Patches as reinforcement for handles | |
Applying tear-strips or tear-tape in relation to packaging operations |
Attention is drawn to the following places, which may be of interest for search:
Applying tabs over discharge openings in relation to packaging operations |
Attention is drawn to the following places, which may be of interest for search:
Applying or incorporating profile-strips, e.g. for reclosable bags, in relation to packaging operations |
In this place, the following terms or expressions are used with the meaning indicated:
Machine direction | indicates the main direction of transport of the sheets or webs through the machine |
In this place, the following terms or expressions are used with the meaning indicated:
Cross direction | indicates a direction perpendicular to the main direction of transport or the sheets of webs through the machine |
In this place, the following terms or expressions are used with the meaning indicated:
Machine direction | indicates the main direction of transport of the sheets or webs through the machine |
In this place, the following terms or expressions are used with the meaning indicated:
Cross direction | indicates a direction perpendicular to the main direction of transport of the sheets or webs through the machine |
Attention is drawn to the following places, which may be of interest for search:
Applying or incorporating rigid fittings, e.g. discharge spouts in relation to packaging operations |
Attention is drawn to the following places, which may be of interest for search:
Making separate handles |
Attention is drawn to the following places, which may be of interest for search:
Delivering sheet or web material in general |
Attention is drawn to the following places, which may be of interest for search:
Making boxes in relation with packaging operations |
Attention is drawn to the following places, which may be of interest for search:
Making bags having multilayered walls from webs | |
Forming bags from single sheets in relation with packaging operations |
Attention is drawn to the following places, which may be of interest for search:
Forming bags from webs in relation with packaging operations |
Attention is drawn to the following places, which may be of interest for search:
Forming bags from several webs in relation with packaging operations |
Attention is drawn to the following places, which may be of interest for search:
Suction cleaner bags |