IPC Subgroup
B29C 45/17 Component parts, details or accessories; Auxiliary operations
Introduced: January 1985
Last revised: January 2006
Full Title
Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor > Component parts, details or accessories; Auxiliary operations
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- Subclass:
- SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
12 direct subcodes
Child Classifications
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- B29C 45/18 Feeding the material into the injection moulding apparatus
- B29C 45/2 Injection nozzles
- B29C 45/26 Moulds
- B29C 45/38 Cutting-off equipment for sprues or ingates
- B29C 45/4 Removing or ejecting moulded articles
- B29C 45/46 Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C 45/64 Mould opening, closing or clamping devices
- B29C 45/7 Means for plasticising or homogenising the moulding material or forcing it into the mould, combined with mould opening, closing or clamping devices
- B29C 45/72 Heating or cooling
- B29C 45/76 Measuring, controlling or regulating
- B29C 45/83 Lubricating means
- B29C 45/84 Safety devices
Top Applicants
Top 10 applicants by patent filingsfor class B29, 2013–2023, worldwide · Source: EPO PATSTAT
- HEWLETT-PACKARD DEVELOPMENT COMPANY US 3,802
- BOEING COMPANY US 3,087
- COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,315
- SUMITOMO RUBBER IND 1,784
- GE (GENERAL ELECTRIC COMPANY) US 1,663
- CANON 1,658
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,587
- TORAY INDUSTRIES JP 1,555
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 1,470
- LG CHEM KR 1,415