Joining of preformed parts; 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

Additional Content

Devices or methods of sealing or securing package folds or closures

Related Keywords

joining sheets or webs of paper, cardboard, metal foil or plastics by ADHESIVE(S)JOINING of preformed parts of plastics or substances in a plastic state in generaljoining PLASTIC producing particular articles from PLASTICs or from substances in a PLASTIC stateSEALING of plastics by heatSEAMING of plasticsrepairing rubber SHOE(S) by local vulcanisation

10 direct subcodes

Child Classifications

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B29C 65/02 by heating, with or without pressure
B29C 65/48 using adhesives
B29C 65/56 using mechanical means
B29C 65/66 by liberation of internal stresses, e.g. shrinking of one of the parts to be joined
B29C 65/7 by moulding
B29C 65/72 by combined operations, e.g. welding and stitching
B29C 65/74 by welding and severing
B29C 65/76 Making non-permanent or releasable joints
B29C 65/78 Means for handling the parts to be joined, e.g. for making containers or hollow articles
B29C 65/82 Testing the joint

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