Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor

Introduced: January 1985

Last revised: January 2006

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

making BOTTLE(S) by winding plastic sheet materialmaking CONES by winding plastic sheet materialLINING(S) with plastics or substances in a plastic state in generalSHEATHING objects with plastics or substances in a plastic state

7 direct subcodes

Child Classifications

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B29C 63/02 using sheet or web-like material
B29C 63/18 using tubular layers or sheathings
B29C 63/22 using layers or sheathings having a shape adapted to the shape of the article
B29C 63/24 using threads
B29C 63/26 Lining or sheathing of internal surfaces
B29C 63/38 by liberation of internal stresses
B29C 63/48 Preparation of the surfaces

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