IPC Main Group
B31F 5/00 Attaching together sheets, strips or webs; Reinforcing edges
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- Subclass:
- MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
Additional Content
Stapling in making boxes, bags or the like , e.g. , Attaching the replacement web to the expiring web during web-roll changing Apparatus for splicing webs during handling
Related Keywords
reinforcing EDGE(S) of paper, cardboard, metal foil or plastics sheetSPLICING of paper, cardboard, metal foil or plastic sheet
3 direct subcodes
Child Classifications
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Top Applicants
Top 10 applicants by patent filingsfor class B31, 2013–2023, worldwide · Source: EPO PATSTAT
- GPI (GRAPHIC PACKAGING INTERNATIONAL) US 356
- KIMBERLY-CLARK CORPORATION US 296
- RANPAK CORPORATION US 257
- P&G (PROCTER & GAMBLE COMPANY) US 228
- BOBST MEX CH 218
- JIANGSU NANJIANG MACHINERY COMPANY 214
- SINOTECHO (WUHAN) INTELLIGENT TECHNOLOGY COMPANY 209
- DONGGUAN HONGMING MACHINERY COMPANY 195
- BHS CORRUGATED MASCHINEN- UND ANLAGENBAU DE 192
- TETRA LAVAL HOLDINGS & FINANCE CH 183