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Priority to JP120773ApriorityCriticalpatent/JPS5141146B2/ja
Publication of JPS4986446ApublicationCriticalpatent/JPS4986446A/ja
Publication of JPS5141146B2publicationCriticalpatent/JPS5141146B2/ja
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
B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
B29C57/02—Belling or enlarging, e.g. combined with forming a groove
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Engineering & Computer Science
(AREA)
Mechanical Engineering
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Shaping Of Tube Ends By Bending Or Straightening
(AREA)