Bending and joining, e.g. for making hollow articles

Introduced: January 1985

Last revised: January 2006

Full Title

Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor > Bending and joining, e.g. for making hollow articles

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

Related Keywords

joining PLASTIC producing particular articles from PLASTICs or from substances in a PLASTIC stateTUBE(S) by winding plastics or substances in a plastic state in generalmaking articles by WINDING plastic sheet material

1 direct subcode

Child Classifications

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B29C 53/38 by bending sheets or strips at right angles to the longitudinal axis of the article being formed and joining the edges

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