B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—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
B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
B—PERFORMING OPERATIONS; TRANSPORTING
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Shaping By String And By Release Of Stress In Plastics And The Like
(AREA)
Procede et appareillage d'extrusion de films en polymeres d'olefines halogenees, utilisation comme films piezo-electriques, apres traitement de polarisation