IPC Main Group
B65H 59/00 Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- Subclass:
- HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
Related Keywords
ANTI-BALLOONING devices in winding apparatuscontrolling TENSION in filamentary materialproducing TENSION in webs, tapes or filamentary material
5 direct subcodes
Child Classifications
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- B65H 59/02 by regulating delivery of material from supply package
- B65H 59/08 by contact of running length of material with supply package
- B65H 59/1 by devices acting on running material and not associated with supply or take-up devices
- B65H 59/38 by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
- B65H 59/4 Applications of tension indicators
Top Applicants
Top 10 applicants by patent filingsfor class B65, 2013–2023, worldwide · Source: EPO PATSTAT
- CANON 3,755
- SGCC(STATE GRID CORPORATION OF CHINA) 3,721
- YOSHINO KOGYOSHO COMPANY 3,659
- DNP (DAINIPPON PRINTING COMPANY) 3,573
- KRONES DE 3,114
- P&G (PROCTER & GAMBLE COMPANY) US 2,777
- TOPPAN PRINTING COMPANY 2,720
- SEIKO EPSON CORPORATION 2,574
- KYOCERA DOCUMENT SOLUTIONS 2,371
- RICOH COMPANY 2,349