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IPC Main Group
B31C 1/00

Making tubes or pipes by feeding at right angles to the winding mandrel centre line

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:
MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER

4 direct subcodes

Child Classifications

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  • B31C 1/02 Machines therefor having additional mandrels
  • B31C 1/04 and forming a tube end into a container bottom
  • B31C 1/06 and inserting into a tube end a bottom to form a container
  • B31C 1/08 Accessories of machines therefor not otherwise provided for

Top Applicants

Top 10 applicants by patent filingsfor class B31, 2013–2023, worldwide · Source: EPO PATSTAT

  1. GPI (GRAPHIC PACKAGING INTERNATIONAL) US 356
  2. KIMBERLY-CLARK CORPORATION US 296
  3. RANPAK CORPORATION US 257
  4. P&G (PROCTER & GAMBLE COMPANY) US 228
  5. BOBST MEX CH 218
  6. JIANGSU NANJIANG MACHINERY COMPANY 214
  7. SINOTECHO (WUHAN) INTELLIGENT TECHNOLOGY COMPANY 209
  8. DONGGUAN HONGMING MACHINERY COMPANY 195
  9. BHS CORRUGATED MASCHINEN- UND ANLAGENBAU DE 192
  10. TETRA LAVAL HOLDINGS & FINANCE CH 183