Preforms or parisons made of several components

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Indexing scheme relating to blow-moulding > Preforms or parisons made of several components

13 direct subcodes

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B29C 2949/3004 having longitudinally different components within one layer, e.g. tubes with longitudinal stratified layering
B29C 2949/3006 having tangentially different components within one layer, e.g. longitudinal stripes
B29C 2949/3008 at neck portion
B29C 2949/3012 at flange portion
B29C 2949/3016 at body portion
B29C 2949/302 at bottom portion
B29C 2949/3024 characterised by the number of components or by the manufacturing technique
B29C 2949/3032 having components being injected
B29C 2949/3041 having components being extruded
B29C 2949/3048 having components being thermoformed
B29C 2949/3056 having components being compression moulded
B29C 2949/3064 having at least one components being applied using techniques not covered by B29C2949/3032 - B29C2949/3062
B29C 2949/3086 Interaction between two or more components, e.g. type of or lack of bonding

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

HEWLETT-PACKARD DEVELOPMENT COMPANY US 4,167
BOEING COMPANY US 3,701
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 2,554
3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 2,240
TORAY INDUSTRIES JP 2,133
GE (GENERAL ELECTRIC COMPANY) US 2,069
BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,028
LG CHEM KR 1,962
DOW GLOBAL TECHNOLOGIES US 1,896
CONTINENTAL REIFEN DE 1,725