Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Dowsmith Inc
Original Assignee
Dowsmith Inc
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Filing date
Publication date
Application filed by Dowsmith IncfiledCriticalDowsmith Inc
Priority to FR961151ApriorityCriticalpatent/FR1392564A/fr
Application grantedgrantedCritical
Publication of FR1392564ApublicationCriticalpatent/FR1392564A/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
FR961151A1964-01-221964-01-22Dispositif pour fabriquer des tuyaux de matière plastique
ExpiredFR1392564A
(fr)