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IPC Subgroup
B29D 30/58

Applying bands of rubber treads, i.e. applying camel backs

Introduced: January 1985

Last revised: January 2006

Full Title

Producing pneumatic or solid tyres or parts thereof > Pneumatic tyres or parts thereof > Unvulcanised treads, e.g. on used tyres; Retreading > Applying bands of rubber treads, i.e. applying camel backs

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
Subclass:
PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE

Related Keywords

moulding tyre tread BAND(S)

2 direct subcodes

Child Classifications

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  • B29D 30/6 by winding narrow strips
  • B29D 30/62 by extrusion or injection of the tread on carcass

Top Applicants

Top 10 applicants by patent filingsfor class B29, 2013–2023, worldwide · Source: EPO PATSTAT

  1. HEWLETT-PACKARD DEVELOPMENT COMPANY US 3,802
  2. BOEING COMPANY US 3,087
  3. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,315
  4. SUMITOMO RUBBER IND 1,784
  5. GE (GENERAL ELECTRIC COMPANY) US 1,663
  6. CANON 1,658
  7. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,587
  8. TORAY INDUSTRIES JP 1,555
  9. BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,470
  10. LG CHEM KR 1,415