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Publication of BE675770ApublicationCriticalpatent/BE675770A/xx
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
B29C53/80—Component parts, details or accessories; Auxiliary operations
B29C53/82—Cores or mandrels
B29C53/821—Mandrels especially adapted for winding and joining
B29C53/825—Mandrels especially adapted for winding and joining for continuous winding
B29C53/827—Mandrels especially adapted for winding and joining for continuous winding formed by several elements rotating about their own axes
B—PERFORMING OPERATIONS; TRANSPORTING
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
B29C53/72—Winding and joining, e.g. winding spirally helically using external forming surfaces
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Engineering & Computer Science
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Mechanical Engineering
(AREA)
Shaping Of Tube Ends By Bending Or Straightening
(AREA)