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Individual
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Individual
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Publication of FR2343589A1publicationCriticalpatent/FR2343589A1/fr
Application grantedgrantedCritical
Publication of FR2343589B3publicationCriticalpatent/FR2343589B3/fr
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
B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
B29C53/56—Winding and joining, e.g. winding spirally
B29C53/58—Winding and joining, e.g. winding spirally helically
B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Shaping Of Tube Ends By Bending Or Straightening
(AREA)
Extrusion Moulding Of Plastics Or The Like
(AREA)
FR7707270A1976-03-111977-03-11Procede et appareil pour la fabrication de tubes a partir de profiles extrudes en matiere plastique
GrantedFR2343589A1
(fr)